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Plans (216) • TRAN. Installation GRAA-IOM-2 Operation Maintenance Lbrary Service Literature Product Section Air Handling Product Make-Up Air Model GRAA,GRBA,GRCA, GRDA Literature Type Installation,Operation,Maintenance Sequence 2. Date January 1995 File No. SV-AH-MUA-GRAA-IOM-2-195 Supersedes New Rooftop Evaporative Cooling Units RECEIVED • OFFICE COPY AUG 16 2.016 CITY OF TIGARD 8IJILDING DIVISION CITY OP TIGARD REVIEWkD FOR CODE COMPLIANCE Approved: j OTC: Permit#: me cio i 8 - nen 64 a Address: o S il o f c. PKw y Suite#: Aeo kk.istWZ. � By: 'i'f Date: $, 16• Sizes 100 MBh -800 MBh "A" Design Sequence • Since the Trane Company has a policy of continuous product improvement it reserves the right to change apecifcolions and design without notice.The instalkation and servicing of the equipment referred to in this booklet should be done by qualified,experienced technicians. QArnerican Standard Company 1995 General Information Literature Change History Warnings and Cautions GRAA-IOM-2(January 1995) Notice that WARNINGS and Original issue of manual describes CAUTIONS appear at appropriate installation of GRAA, GRBA, intervals throughout this manual. GRCA, GRDA Rooftop Warnings alert installer,owner, Evaporative Cooling Units,for A operator or service personnel to potential hazards that could result Design. in personal injury or death. Cautions are provided to alert personnel to conditions which could result in damage to the FOR YOUR SAFETY: equipment or cause property damage. If you smell gas: Receiving Instructions 1. Open windows. Inspect shipment immediately 2. Don't touch electrical switches. when received to determine if any 3. Extinguish any open flame. damage has occurred to the unit 4. Immediately call your gas supplier. during shipment.After the unit has been uncrated, check for any visible damage to the unit. If any damage is found, the consignee should sign the bill of lading FOR YOUR SAFETY: indicating such damage and a ofgasoline or immediately file claim for damage The use and storage with the transportation company. other flammable vapors and liquids in open containers in the vicinity of this appliance is hazardous. WARNING: Improper installation, vEs+eN adjustment, alteration, service or maintenance can cause property 1ST:4 damage,injury or death. Read the installation, operating and maintenance instructions c'Anft thoroughly before installing or ®11,101111) servicing this equipment. Warnings Approved for use in California when wires, leaks or loose fasteners may fuel substances or substances from equipped with spark ignition. occur. It is the installer's incomplete combustion which can Installer Please Note: responsibility to inspect and cause death or serious illness.The correct any problems that may be state of California has determined This equipment has been test fired found. that these substances may cause and inspected. It has been shipped• Install,operate and maintain unit in cancer, birth defects, or other free from defects from our factory. reproductive harm. However, during shipment and accordance with manufacturer's installation, problems such as loose instructions to avoid exposure to 1 r Model Number Description - (All furnaces) I DIGIT 1-Gas Heating Equipment DIGIT 9-Gas Control Option DIGIT 13-Heat Exchanger Material G=Gas (Intermittent Pilot Ignition) 1 =Aluminized Steel A=Single-Stage 2=#409 Stainless Steel(First Furnace DIGIT 2-Unit Type B=Two-StageOnly) F=Rooftop Duct Furnace C=Hydraulic Modulating(60-100) 3=#409 Stainless Steel(All Furnace R=Rooftop Heating Unit D=Hydraulic Modulating(75-200) Sections) S=Special Unit Type E=Hydraulic Modulating W/Bypass and 4=#321 Stainless Steel(First Furnace DIGIT 3-Furnace Type limit(60-100) Only) A=Standard Temp Rise(20-60 Deg.F)LH F=Hydraulic Modulating W/Bypass 5=#321 Stainless Steel(All Furnace B=Standard Temp Rise(20-60 Deg.i RH (75-200) Sections) C=High Temp Rise(60-90 Deg.F)LH G=Electronic Modulating W/Room T-Stat 6=#409 Stainless Steel Package(First D=High Temp Rise(60-90 Deg.F)RH H=Electronic Modulating W/Duct T-Stat Furnace Only) E=Blank Furnace Sleeve LH J=Electronic Modulating W/Duct T-Stat 7=#409 Stainless Steel Package(All G=Blank Furnace Sleeve RH and Override Room Thermostat Furnace Sections) S=Special Furnace Type K=Electronic Modulating W/Extemal 4-20 8=#321 Stainless Steel Package(First mA Input(Furnace 1) Furnace Only) DIGIT 4-Development Sequence L=Electronic Modulating W/Extemal 4-20 9=#321 Stainless Steel Package(All A=First Generation mA Input Furnace Sections) M=Electronic Modulating W/Extemal 0-10 S=Special Heat Exchanger Package DIGIT 5,6-Input Capacity VDC Input(Furnace 1) Single Furnace N=Electronic modulating W/Extemal 0-10 DIGIT 14-Rooftop Arrangements 10=100 MBh Input 30=300 MBh Input VDC input (Designator A-L Assumes Furnace 15=150 MBh Input 35=350 MBh Input P=VAV Control Two-Stage Section) 20=200 MBh Input 40=400 MBh Input R=VAV Control Three-Stage A=Duct Furnace 25=250 MBh Input T=VAV Control Four-Stage B=Blower(Standard) Double Furnace U=S-350 2 Stage Modular Electronic C=Blower(Standard)Plenum 50=500 MBh Input 70=700 MBH Input Control System D=Blower(Standard)Evaporative Cooler 60=600 MBh Input 80=800 MBh Input W=S-350 3 Stage Modular Electronic E=Blower(Standard)Evaporative Triple Furnace Control System Cooler/Plenum III12=1200 MBh Input X=S-350 4 Stage Modular Electronic G=Blower(High CFM) SS=Special unit Control System J=Blower(High CFM)/Plenum DIGIT 7-Venting Type V=S-350 6 Stage Modular Electronic K=Blower(High CFM)/Cooling G=Gravity Venting Control System L=Blower(High CFM)/Cooling/Plenum P=Power Venting S=Special Gas Control S=Special Rooftop Arrangment S=Special Venting DIGIT 10-Design Sequence DIGIT 8-Main Power Supply A=First Design DIGIT 15=Rooftop Heating Unit Motor A=115/60/1 E=230/60/3Selection DIGIT 11-Design Sequence 0=None(Rooftop duct furnace) B=208/60/1 F=460/60/3 0=First Design A=1/2 HP w/contactor C=230/60/1 G=575/60/3 B=3/4 HP w/contactor D=208160/3 S=Special Main DIGIT 12-Fuel Type C=1 HP w/contactor Power Supply N=Natural Gas D=1 1/2 HP w/contactor P=LP Gas(Propane) E=2 HP w/contactor L=Natural Gas with 100%Lockout F=3 HP w/contactor S=Special Fuel type G=5 HP w/contactor H=1/2 HP w/magnetic starter J=3/4 HP w/magnetic starter K=1 HP w/magnetic starter L=1 1/2 HP whnagnetic starter N=2 HP w/magnetic starter P=3 HP whnagnetic starter Q=5 HP w/magnetic starter R=7 1/2 HP w/magnetic starter T=10 HP w/magnetic starter U=15 HP w/magnetic starter S=Special Motor • la Model Number Description III (All furnaces) DIGIT 16=Motor Speed DIGIT 19=Air Control&Damper DIGIT 20 0=No Selection Arrangement 0=Non-California Shipment 1 =Single Speed ODP 1800 RPM 0=None(Rooftop duct furnace) 1=California Shipment 2=Single Speed TEFC 1800 RPM A=Outside Air 2 pos.Motor/SR 3=Single Speed High Efficiency ODP B=Return Air 2 pos.Motor/SR DIGIT 21=Miscellaneous Options 1800 RPM C=OA/RA 2 pos SR A=Orifices For Elevation Above 2000 Feet 4=Single Speed High Efficiency TEFC D=OA/RA Mod Mfr.W/Mbced Air (Specify Elevation) 1800 RPM Control/Min.Pot B=12"Evaporative Media 5=2S1 W ODP 1800/900 RPM E=OA/RA Mod Mtr W/Mixed Air C=Moisture Eliminators 6=2S2W ODP 1800/1200 RPM Control/Min Pot/SR D=Horizontal Return 7=Special Motor Speed&Starter G=OA/RA Mod Mtr W/Mixed Air Control E=Interlock Relay-24V Coil DPDT 10A H=OA/RA Mod Mtr W/Mixed Air Control/SR F=Freezestat DIGIT 17=Coil Options J=OA/RA Mod Mtr W/Min Pot G=Fan Time Delay Control(Duct Furnace 0=No cooling coil selection K=OA/RA Mod Mtr W/Min Pot/SR Only) A=DX coil,4 Row,Single Circuit L=ONRA Mod Mtr w/Dry Bulb/Mixed Air H=Return Air Firestat B=DX coil,4 Row,Dual CircuitControl/Min Pot J=Supply Air Firestat C=DX coil,6 Row,Single Circuit M=OA/RA Mod Mtr w/Dry Bulb/Mbced Air K=Manual Blower Switch D=DX coil,6 Row,Dual Circuit Control/Min Pot/SR L=409 Stainless Steel Furnace Drip Pan E=Chilled Water Coil,4 Row, N=ONRA Mod Mtr w/Enthalpy Controlled N=Foil Face Insulation G=Chilled Water Coil,6 Row, Economizer/SR P=Low Leak Dampers S=Special coil P=OA/RA Mod Mtr W/Space Pressure Q=Clogged Filter Switch DIGIT 18=Air Inlet Configuration Controller R=High/Low Gas Pressure Limit Switches 0g R=OA/RA Mod Mtr W/S-350 P T=Status Indicator Lamps(Dec cabinet) 1=None(Rooftop duct furnace) 1=OOutside Air OA Proportional Mixed Air Control/SR i Air(0A) V=Manual Reset High Limit Switch 2=Outside Air W/Air Hood T=OA/RA Mtr.W/Extemal 0-10 VDC and W=Interlock Relay-24/115V Coil SPDT 3=Return Air(RA) 4-20mA Analog Input/(Extemal Input) 70A A) U=ONRA Mfr.W/Extemal 0-10 VDC and X=Interlock Relay-24/115-230V Coil 5=Outside and Return Air W/AirHood =Outside And Return Air A 4-20 rnA Analog Input/SR(External Input) DPDT 10A S=Special Air inlet configuration W=Ashrae Cycle 1(ONRA 2 pos. III w/wamwp CycleR X=Ashrae II(OA/RA Mod WNVarm-up Stat/Mixed Air/min pot/SR Y=Ashrae Cycle III(OAIRA Mod. WNVami-up Stat/Mixed Air/SR Z=Manual Dampers S=Special air control and damper arrangement • lb • RECEIVING INSTRUCTIONS The following terms are used throughout this manual, Inspect shipment immediately after receiving to in addition to the AGA/CGA requirements to bring determine if any damage has occurred during shipment attention to the presence of potential hazards, or to If any damage is found,the consignee should sign the important information concerning the product: bill of lading,indicating such damage,and immediately file claim for damage with the transportation company. DANGER: Indicates an imminently hazardous situation which, if not avoided. will result in TABLE OF CONTENTS death, serious injury or substantial property damage. Description Page General Information Cover,2 WARNING: Indicates an imminently hazardous PERFORMANCE&SPECIFICATION DATA situation which, if not avoided, could result in Evaporative Cooler-Dimensional death, serious injury or substantial property &Performance Data 3 damage. CELdek®Media Data and Efficiency Chart 3 Gas-Fired Rooftop Packaged Units CAUTION: Indicates an imminently hazardous with Evaporative Cooler 4 situation which, if not avoided, may result in Air Handler with Evaporative Cooler 5 minor injury or property damage. INSTALLATION Mounting to Roof 6 NOTE: Used to notify of special instructions on Connecting Water Supply 6 installation,operation,or maintenance which are Faucet Use 6 important to equipment but not related to personal Adjusting Water Level and Float Valve 7 injury. Adjusting Water Flow 7 Bleed-Off 7 Failure to comply with the General Safety Electrical Connections 8 Information may result in extensive property MAINTENANCE damage,severe personal injury,or death. Maintenance Schedule 9 Changing Media 10 Cleaning Water Pump... 10 Washing Media 10 Washing Inlet Filter 10 Cabinet Cleaning and Touch-up 10 Winter Shut-Down 10 Model Number Description 11 Replacement Parts 11 Evaporative Cooler Curb Assembly Diagram 12 GENERAL SAFETY INFORMATION Unless otherwise specified,the following conversions WARNING: Disconnect all power before may be used for calculating SI/metric unit installing or servicing the unit. If power measurements: disconnect is out of sight, lock it in the open 1 lb.=0.453 kg position and tag it to prevent unexpected 1 cubic foot=0.028m3 application of power. Failure to do so could 1000 Btu per hour=0.293 kW result in fatal electrical shock or severe 1 foot=0.305m personal injury. 1 inch water column=0.249 kPa 1 inch=25.4 mm WARNING: Do not alter the unit in any way,or 1 gallon=3.785 L damage to the unit and/or severe personal 1 psig=6.894 kPa injury or death may occur. 1000 BTU/cu.ft.=37.5 MJ/m3 WARNING: Do not depend on a thermostat or other switch as a sole means of disconnect- ing power when installing or servicing unit. Always disconnect power at the main circuit breaker as described above. Failure to do so could result in fatal electrical shock. —2— PERFORMANCE AND SPECIFICATION DATA Evaporative Cooling Units SFigure 1 _ I -A a ASSEMBLUY (914)I WATER 36.000 2`CELdek® 7777777777T7T777TT' !� Capacity A 7444#4#4444#44#####~hitt##4444#4#4+ I Willir I LIQUID TIGHT 32.87444#4444######t444 s •♦44##4###4444#tit' I• ELECTRICAL 10/455 'ttt•ttt•44••t••ttt••••t•t•ttt•••t•t�` a (835) kt#t#4#t##4#4##tttttttttttit#tt##tt+ TUBING 444#4444#44444#444 ° BLEED-OFF i4#444#444414444#4 i �-I■ 20!25/50 '5 INTAKEill #4#44#4####44#4444, BALL (1114) �_4.4.4.e.4.4.4.4.4.4.4.4.+.*_�_�•�. wu. I FILTER TTTTTTTT7TTTT7TT7! 1 !piI AJNCTIONBOX 30(35 54.875 80/70 ( )1 444444444444444#44! 44444444444•4444 C PUMP 44(1534) 44444•44444#444#4444#4#44! OVERFLOW 8•CELdnIC `) (OPTIONAL 12') Ijte 4.000 1/4'WATER liuni'.I_i (102) INLET 11° FLOAT VALV S 3/4'NPT DRAIN (CAPPED) SECTION SS Table 1 (Refer to individual unit submittals for more specifications.) Performance and Dimensional Data IIICFM 8'Saturation 12'Saturation 8 or12'MediaPressure Drop "A"Unit Shipping Operating Efficiency Efficiency Face Area Size InW.0 WidthinWt.. Wt. (Cu.m/s) (Cu.m/s) Range Range Ft' in (kPa) (kPa) . � lb. *Capacity 10.40 MIN. MAX. MIN. MAX. MIN. MAX. (is) (mm) MIN. MAX. (mm) (kg) (kg) 10,15 800 4,500 78 88 89 92 7.01 31 x 32-9/16 0.03 023 32-3/4 137 301 (0.378) (2.124) (0.65) (787 x 827) (0.01) (0.06) (832) (62) (136) 20,25,50 1,600 5,500 77 88 88 92 9.38 31 x 43.9/16 0.03 0.20 43-3/4 166 386 (0.755) (2.596) (0.87) (787 x 1106) (0.01) (0.05) (1111) (75) (175) 30,35,60,70 2400 8,500 77 86 88 92 11.75 31 x 54.9/16 0.05 0.30 54-3/4 192 468 (1.133) (4.012) (1.09) (787x 1386) (0.01) (0.07) (1391) (87) (212)) 40,80 3,200 8,500 77 86 87 92 1292 31 x60 0.07 0.28 60-1/4 206 509 (1.510) (4.012) (1.20) (787x 1524) (0.02) (0.07) (1530) (93) (231) 'Capacities-(50,60,70 and 80)are for Dual Furnace Unit Types only. Figure 2 100% 0.5 12' CELdek® EVAPORATIVE MEDIA 90% ' — -...mr 0.4 The Evaporative Cooler utilizes high efficiency 5 zf`'�" Mr 3 CELdek® media. CELdek® is made from a special i Ix 8' 0.3 i cellulose paper, impregnated with insoluble anti-rot g -r salts and rigidifying saturants. The cross fluted 11V ' 1 design of the pads induces highly-turbulent mixing I 709 02 e of air and water for optimum heat and moisture a f. transfer. The evaporative coolers are available $ not .• 01 110 with standard 8 or optional 12 inch media which produce high efficiency and high face velocities, along with a 2" distribution pad to disperse the 200 300 400 500 600 700 800 water evenly over the pads. Air Velocity-FPM —3 — Rooftop Packaged Unit with Evaporative Cooling Figure 3-Natural Vent Rooftop Unit with Evaporative Cooler(without Supply Plenum) 1.000 41 36000 96250 9..t C A I. 014) 8446) (Typ.) III MWVEN1 t ARE SHIPPED EVAPORATIVE INSL7ARATE ;��F71:::i.►:47� .'.441+:..s.;♦ ��W ��� e D COOLER CARTONS F��F1���1•�i��� ��4'�,�w����i��♦ •••+•••o••0•• rf-T- I ,i/ '-\,,,,--4. ill.111tf t I < TYP.DUCT I 19'600 34.900 �2 ...... I P1I11K2E OPe IVI1 (941) 1.1129) (54 J L ` 41 - - VOW ELECTRICAL _ 5.0506825 h6)TYPA -ice 16875( CONIECTIOI6 i DISCFM7XIE AAIB CAP �ly�l HOLE LOCATION Q DAMPPER CMS TYR OCONNHCTION6 r_28A00_r _68OPOPENINGCpDN.EWI �- (660) l2i)96 1.312 OS)TTP. ell'® ANCHOR HOLE (165) 1(2626) ".I -� F '� 0 ► LOCATION Table 2 A.G.A. C.G.A. GAS INLET CAPACITY A B C D D NAT I LP ♦F G J 10 32.875 15.562 12.000 11.000 20.687 1/2 1/2 19.375 31.062 24.000 (835) (395) (305) (279) (525) (492) (789) (610) 15 32.875 18.312 21.500 16.000 25.187 12 112 23.500 31.062 24.000 (835) (465) (546) (406) (640) (597) (789) (610) 20 43.875 23.812 23.500 16.000 25.187 12 1/2 26.250 42.062 35.000 (1114) (605) (597) (406) (640) (667) (1068) (889) 25150 43.875 29.312 23.500 16.000 25.187 3/4 1/2 OR 3/4 34.500 42.062 35.000 (1114) (745) (597) (406) (640) (876) (1066) (889) 411 30160 54.875 34.812 26.000 17.500 26.687 3/4 1/2 OR 3/4 37.250 53.062 46.000 (1394) (884) (680) (445) (678) (946) (1348) (1168) 35/70 54.875 40.312 26.000 17.500 26.687 3/4 1/2 OR 3/4 45.500 53.062 46.000 (1394) (1024) (660) (445) (678) (1156) (1348) (1168) 40/80 60.375 45.812 26.000 17.500 26.687 3/4 12 OR 3/4 51.000 58.562 51.500 (1534) (1164) (660) (445) (678) (1295) (1487) (1308) NOTE:REFER TO UNIT SUBMITTALS FOR MORE SPECIFICATIONSJUNIT ARRANGEMENTS. DIMENSIONS ARE IN INCHES,DIMENSIONS IN PARENTHESIS ARE IN MILLIMETERS. •"F'DIMENSION IS THE RECOMMENDED CLEARANCE TO SERVICE THE BURNER DRAWER(S). A'!DIMENSION IS AN OUTSIDE DIMENSION FOR RETURN AIR DAMPERS. AV DIMENSION IS AN INSIDE DIMENSION FOR SUPPLY AIR(WITHOUT DAMPER). Figure 4-Power Vent Rooftop Unit with Evaporative Cooler(with Supply Plenum) 116..44120250 N RIM ----► EVAPORATIVE ooA�tlSiA7n1 FL000LER-1 UEAIROAST f//P �T WRPT ¢ / it ii' "... .. „4.4,.. 1 1i It I1 is ,_ IMani4 I 90.449 (491) • It .�-J J L 1+ 'F -�+c-- A ,mi l..� 'x: Aar ELECTRCAL 6626(18)TW.ANCHOR-�t ODM�CTIONS a'N t ..� 507) HOLE LOCATION 18.075(475) 1.6-1INO TIONS (np r 1AOD RS) 11 1 6A J_ CURB CAP . BRACKETS OS DAABBRACKETSi ER OPENING 1'6 6062 1591 1-Z1C3L571A r".". OPENING •4 01610E 1.9ANOHOR HOLE 6 66 WOO 34AB f- ( �''- ) -0. * SLP 2INSI E5N43 LOCATION (164),7 38.825 ""1.1 . 56.@5 -14. F. .. O (N7) 1 (1422) •oS126312 -4- Air Handler Packaged Unit with Evaporative Cooling Figure 5-Standard Air Handler with Evaporative Cooler(without Supply Plenum) • 96.00_ 1 46.000 .0_1.000(25)TYP. . r (1188) DUCE FLANGE 1 EVAP. DDrnEH :I T-T-T-TTi-T-•T-T-� r r , i^., I .i..+...l.+ ►,!.l++++.++1 I ';*;*;#;+;###!....x.11 I i "T✓" I .....!.....1 I I 19.000(489) �B FLIER iffnucE 1 .«.i !' ♦'�♦'� I 1 �,.-) I OISCI4AHRBE 30.000 I........... OPENING 4, #..++...+#!I i �. I R;�;;;��#!#�1 C �� I• am2 t rotas WATER (8911 ) 1. l ate__J�I l ev�, I (154) Rs/! 'MET U4• a-1.--- -La/ ` �i'i -_---- OVERFLOW ams(16)TYP. -Dm 314•NPT DRAIN -glair ELECTRICAL 1.000 ® ANCHOR HOLE LOCATION 18.875[479) CONNECT/DNS CURB 5,000 (CAPPED) CAP (127) A J TVP. 1 PBP@6N4INR O0 6.500 51.438 060) 41 (1308) Table 3 CAPACITY A B C G AJ 20 43.875 23.812 21.938 42.062 35.000 (1114) (605) (557) (1068) (889) O 40 60.375 45.812 30.188 58.562 51.500 (1534) (1164) (767) (1487) (1308) NOTE:REFER TO UNIT SUBMITTALS FOR MORE SPECIFICATIONS/UNIT ARRANGEMENTS. DIMENSIONS ARE IN INCHES,DIMENSIONS IN PARENTHESIS ARE IN MILLIMETERS. A J'DIMENSION IS AN OUTSIDE DIMENSION FOR RETURN AIR DAMPERS. A'J'DIMENSION IS AN INSIDE OPENING FOR SUPPLY AIR(WITHOUT DAMPERS) Figure 6-Standard Air Handler with Evaporative Cooler(with Supply Plenum) 3Lo00 72.000 nae) i n. A 1 EVAP. 1 COOLER ! .l.1!!#!#.# ►� ( .#i++++#.1.4 INTAKE 11;41814:11:4111414114.:411411:41 [ 1 i I 39.000 FLIER 1 •T*Tp1�-� ♦ I. I �.� I (991) 4 1...••••...4741,......•.l.+. I I .....+.+.+. I. .1• I �� I r �..„**. ...a!.1ky. 1+1...... ,�� I! eoez L_L�11111111114 __� �.�� + 4 (154)— 1111111111111.41 WAINLETTERW SW NI'TDRAN OVERFLOW oaas da TVP.—.1. SW vair ELECTRICAL + t MICHORHOLE T S 1A00( 5060 73072 (CAPPED LOCATION 18.875(479) 18J�(479) CURD (127) P CAP • DAMPERI DISCHARGE H OPENING .0- --►I OPENING ('� 8.062 I.. (154) 6.488 I (164) . 77375 . (1984) —5— • INSTALLATION • This manual is for Evaporative Cooler Module Installations only. Refer to the Installation and Service Manuals for Rooftop Packaged Units and Outdoor Furnaces for these unit installations. Mounting to Roof Figure 7-Float Valve Assembly 1. Before positioning the unit in its permanent location, make certain that the roof is capable of FLOAT VALVE carrying the load of this equipment.Note that when the cooler is filled with water,the unit will be much ROD LEVEL heavier than when dry. See "Performance and ADJUSTMENT SCREW Dimension Data"table for appropriate operating weight. 2. If unit is to be mounted on a curb,refer to the curb specifications for installation requirements. 4 3. Make certain that the mounting surface is level in 3-1/4 all directions. otio _._: :mr4i•so--` s.4 4. Make certain that you have sufficient means for lifting the unit into place. 5. Installation must conform to local and national NOTE: There will be a slight odor during the initial building and safety codes. start-up of the unit. The odor will disappear within 6. The units are mounted on skid rails and are the first few days of operation if the bleed-off is suitable for use on combustible flooring. It is adjusted correctly. recommended that the skids be mounted either on solid planking or on steel channels,but never Faucet Use on a soft tar roof where the skids could sink and 1. To connect the water line to the water supply, reduce the 4'clearance between the bottom pan install a silicock and water valve on the faucet. and the roof. 2. Place tubing nut and ferrule on tube end,and insert 7. Inspect all internal parts of the cooler section to valve. determine if any damage has occurred during 3. Tighten the nuts on the valve and the tube. shipment.See roof curb specifications at the end of the manual. NOTE: If a faucet is not to be used for the water supply, install the valve on the water line to be Connecting the Water Supply used. Follow the procedure above for securing the tubing to the valve. NOTE: Soft water equipment should not be attached to water lines going to the cooler. "Soft Figure 8-Evaporative Cooler Water Connections Water" will cause corrosion and decrease the effective life of the cooler. - -- 1. A water valve should be installed at a convenient BRASS NEEDLE COCK ' AUCEi WITHlocation to allow water to be turned on and off. Use HOSE BBB 114'tubing to supply water to Evaporative Cooler. A water connector kit is available at your local 'R COOLER -•i jigi wholesaler. 2. Place tube nut and ferrule over the end of the ROOF LINE ' N1iANOFEHJ E tubing. -i 3. Insert tubing into factory-installed float valve and BRASS STOP COCK tighten securely. WITH DRAIN 03870 I I WATER SUPPLY • —6— Adjusting the Water Level and Float Valve As climate conditions change,the rate of evaporation Fill the tank as follows: may increase, requiring an increase in the bleed-off 1. Turn the water supply on. Fill the tank to a depth rate. It is recommended that the bleed-off rate be of approximately 3.25"(82.6mm). While filling the adjusted for the maximum water evaporation. An • tank, check for good pressure and flow from the indication of insufficient bleed-off is a uniform build-up float valve. of minerals on the entering air face of the media. If this 2. The float valve should shut down the water supply condition is observed, increase the rate of bleed-off at the 3.25" (82.6mm)level. It may be necessary until the mineral deposits dissipate. to adjust the float valve by bending the rod.The rod level adjustment screw should be set in lower Adjusting the Bleed-Off notch on lever. 1. The bleed-off is attached to the PVC tee. This 3. Check the tank and all connections for leaks. bleed-off system will eliminate a small quantity of water from recirculation, which will reduce scale NOTE:The overflow fitting is set so that the water build-up.This water will drain through the attached will begin to flow at the 3.25"(82.6mm)depth. It is tube,and outthrough the overflow. Disposal of this important that the water level not be above the water should comply with local codes, pump basket screen! 2. Adjust the bleed-off rate according to the chart below. Adjusting the Water Flow Proper water flow over the media is important. Table 3 Insufficient water flow will result in increased accumulation of minerals on the media. Excessive Unit Size Seconds to Fill water flow will result in deterioration of the media and Capacity 12 oz.Can moisture carryover. 10/15 69 46 1. Using the ball valve handle,adjust the water flow so that the media is damp from the top to the 20/25/50 52 34 bottom. If you can see water flowing on the 30/35/60/70 41 27 entering side,your water level is too high.Adjust the valve so that the media is just damp on the 40/80 38 25 entering side. Repeated drying of the media will • cause rapid buildup of mineral deposits in the Electrical Connections media. Drying is due to improper adjustment of Refer to the unit data plate to determine the supply the water flow valve, frequent shut-down of voltage. the pump to control the evaporative cooling/ humidification,or localized air velocities across the WARNING: Do not service before disconnect- surface of the media. The area where dry spots ing power or there could be a potential for an occur will exhibit high mineral deposits. The valve electrical shock hazard. must be adjusted so that no dry spots appear on entering or leaving side, and when adjusted The motor name-plate and electrical rating on the correctly,enough water will flow through the media transformer should be checked before energizing the to wash out most of the airborne dirt and other unit electrical system.All external wiring must conform debris. to ANSI/NFPA No.70-1993, National Electrical Code 2. Prior tostartup,it is recommended that the tank be (or the latest edition of)and applicable local codes; in filled, and the pump turned on, allowing the unit Canada,to the Canadian Electrical Code, Part 1 CSA to run for approximately 10 minutes. Repeat this Standard C22.1 procedure two times to help flush any dirt that may have accumulated during shipping. "Dashed"lines represent either field wiring(by others) or optional equipment. Refer to optional items(shown Bleed-Off on wiring diagram included with unit) - these will be Bleed-Off is required to maintain the water quality of hard wired. the system. When water evaporates, minerals and other impurities are left behind,impurities are scrubbed WARNING: Do not jumper factory wiring. from the air flowing through the system,and make-up 11is-wiring of safety circuits may result in fire water(even good quality make-up water)adds more or death. minerals and impurities.These form deposits on the • media during the evaporative process.Therefore,it is important to bleed-off a small quantity of recirculating water to keep the concentration of impurities under control. The bleed-off rate required is dependent upon the quality of the water used and the rate of evaporation. —7— NOTE: For all wiring connections, refer to the the controls as possible. Each unit must be electrically wiring diagram shipped with the unit(either affixed grounded in accordance with the latest edition of the ' to the side jacket or enclosed in the unit's installation National Electrical Code,ANSI/NFPA No.70-1993,or • instruction envelope). Should any original wire CSA Standard C22.1 Sample wiring connections are supplied with the unit have to be replaced,it must depicted in Figures 9&10. be replaced with wiring material having a IItemperature rating of at least 105°C. HI-Limit NOTE: Consult the factory before making any Switch wires must have a 200°C minimum changes to factory wiring. temperature rating. OPTIONAL FILL AND DRAIN KIT:Optional Evapora- CAUTION: Do not use any tools(i.e. screwdriver, tive Cooler Fill and Drain Kit consists of two motorized pliers,etc.)across the terminals to checkforpower. valves,installed in the building,and piped and wired to Use a voltmeter.(Damage to the transformer may the roof. The kit eliminates the need to go to the roof result.) to fill or drain the cooler for seasonal changeover,and automatically maintains the water level. See sample It is recommended that the electrical power to each unit figure 10. Refer to the kit's instruction. be provided by a separate,fused,and permanently live electrical circuit. A disconnect switch of suitable elec- GROUNDING:Install a ground wire to suitable ground 1 trical rating for each unit should be placed as close to according to local codes. Figure 9 Figure 10 FILL & DRAIN KIT TYPICAL EVAPORATIVE COOLER CONTROL WIRING INSTALLATION INSTRUCTIONS ar — MANUAL 'ON-OFF' SWITCH CONTROL — u BM BRAN YALK wb `"'' . SERVICE VALVE. 46FOOWSNA —• KM:INV EC NNE Flit I MAN KIT oFf 0Iggl FLOMi vALK colAA BELMETPoN S 460/115V STEP SOWN TER 1 4-COY'. 201-231V/3/60 —4 USE 211 OR 27 v-PN EC NATE FEU.6 MGN Ka ♦ �- NMI FUNGI TO MRPLY VRTME © /. Q U5-22011/L60 —• 1R IN MSIPPLY%MTT NATE FILL I M111➢1 KIT Q U • wwiOw-3/i•Rr.t. 1 u • GRAN-3/t•.NP.T. Ill WS MANUAL FRAN EC-NOt FILL & DRAIN KIT •'� PMSSVITOI WOW SVITCN 11111111 �LLC) .c 'moi O1 . 001121___ WIRING I" la-, FILL & DRAIN KIT ;R I + PIPING EC NATE NLAV CSKL 12 1S 2-WAY VALVE NEI PICAMALLY OPEN SERVICE VALVEMORM gyp �T'TiESRIRE REGI oak / HO Y _ 14/ NORMALLY w: + ____81CLOSED FILL So.. ! 0.2 B;, A v /l. 3-WAY VALVE SONE PINK:INSTALLATION TO. SUPPLY VILTAEZ IIS-8M11/60 tt�F�11M��K r SUPPLY WATER 68ET TO GRAN OUTLET, (11:1 > ✓ RELAY ZTACR K l.2 NOTES I (.)ASTERISK OEMOT6 MATERIAL WJ R.ED BY OTTERS. 2 MAIOIAY PHSSURE 10 PSW TIC OEN I 3)VKK PIPING MUST BE LOCA1ED Ki90C FOR PROTECTION FROM FROST. 6 TIME TEASE NSTALIA IDI TO 14V FIRNACE IMPLY > •! RITEACTS e I RELAYFY c M 1: STARTER/ TRE M1AY =ACM 0 +• •K O ■CAOr1DI-IIMAOECT PQVER WINE SERVICOG ST NANFACT1ERR • 1111IMT NITST K TAIOROEO. LENIN MIENS •USE COPER CONDUCTORS MT. WNW NEM- MTE19/1a9 ■IF ANY OF TIE MEWL MN AS MWLEO VITN DE /PRINCE Mfr 11 NAN=IT MKT]E NFU= MOL'DI-Dr'ORM WRITE 0T, SIL WIN MON MEM.NAVB!A TOPERATINE RATING Mt ray I.MAN KIT my.II MO OF AT LEAST 125•C FIS DEC-1/1 ▪1ETTR TO RKTM.LATQI RKrMICTIOK FOR VENTRG GIS P PM NO START-1P PROLE1NES NMPal IW EC NATE CDROI VOEG MINNOWS _g_ MAINTENANCE WARNING: Open all disconnect switches and Legionella Pneumophila bacteria is present in secure in that position before servicing unit. almost all water supplies. However,the mere • Failure to do so may result in personal injury or death from electrical shock. presence of the bacteria does not create a hazard,:the bacteria must be transmitted as an aerosol in sufficient densities to be infectious. Because of the nature of the evaporative process, algae buildup, biological fouling, scale build-up, and NOTE:It is highly recommended that the services corrosion are distinct possibilities. Proper water of awatertreatment company be retained to advise treatment and regularly scheduled maintenance will on the proper treatment of the sump water for minimize or eliminate most problems. biological,scale,and corrosion control. For more a.)Cooling Pad Check List: information,see MUNTERS•Engineering Bulletin Reduce the number of on/off cycles. EB-011-WTM(included with this manual). Shade the pads and pump. 4 Drypads out completely once every24 hours. Maintenance Schedule 4 Maintain a suitable water bleed-off rate. Regular maintenance is the key to successful service 4 Drain and disinfect the entire water system from your Evaporative Cooler. Use the following quarterly. schedule as a guide to maintain you unit J Avoid harmful contaminants, including dust, fumes,harsh cleaners,and water treatment Maintenance Annual Annual chemicals. Requirements Start-Up Shut-Down Circulate the recommended quantity of Changing Media At Beginning of 6th water over the pads. Year or if Passages 4 Avoid dry areas on the pads. are blocked 4 Clean the filters regularly. Clearing Water b.)Controlling Algae: Pump .! Scale and mineral deposits can form on the Cleaning& cooling pad because the mineral content of Touch-Up .I • the water is too high. Adjusting Bleed on d Increase the water flow over the face of the Periodic Inspection During Cooling During Coding pads. Season Season Make certain that the flow of water is even from Washing Down As required During one end of the distribution pipe to the other Media with Hose Season end. Washing Inlet Finer Clean and flush the distributor pipe regularly; with Hose 4 4 especially if dry areas appear on the pads. Drain Unit 1 Maintain the pH of the recirculating water between 6 and 8. Following are explanations of the procedures outlined Maintain sufficient bleed-off rate. in the above schedule. For more details,check MUNTERSs Engineer- ing Bulletin MB-SCP-405(included with this Changing the Media manual). This should be done every 5 years or if passages c.)Preventing Algae in the Evaporative Pads: become blocked. Algae needs light, moisture, and nutrients to 1. Remove filter/frame assemblies. survive. Eliminating, or reducing, these 2. Disconnect the water hood panel from the top elements will help to control. algae. For panel by removing screws. specific details, see MUNTERS• Engineering 3. Snap out water distribution system. Bulletin MB-ACP-405 (included with this 4. Remove top media distribution pad. manual). 5. Lift out media sections(Note the position of media d.)Biological Fouling Control: with respect to airflow. See figure 11) Uncontrolled growth of organic matter can lead 6. Replace with new CELdek®media sections. (See to plugged media, metal deterioration, and replacement part section). biological contamination of the airstream. Aspen and other evaporative media will not work Whenever the possibility of biological 7. When re-installing media, be sure all media • contamination of water in an airstream exists, sections are installed in the proper direction. See transmittal of Legionnaire's Disease should be Figure 11. addressed. While there are no reported cases 8. Replace top media distribution pad, water of Legionnaire's Disease associated with rigid distribution system, water hood panel, and filter/ media type evaporative cooling systems, the frame assemblies. —9— Figure 11-Evaporative cooling Media pad Section Washing the Media CAUTION: Avoid splashing water on the blower • = --=-' == motor at all times (this could cause electrical o,,,,,4;1,,y 45•TYP. problems)! !�►;;��►; 1. Scale and dust should be washed off the intake 44 �:�;4„to; side of the media annually, using a garden hose :: ,•r,;� and nozzle;this will help to unclog passages. 2. Usinga stiff brush,lightly brush the intake edges of �'►'►,��►, ��J1' the media. This will not harm the onin s but will remove any hardened scale. 3. Occasionally, there will be a build-up of algae or I 03883l p`�F�'O� iodors. ttoallow the pads u todry thoroughly on a n for both of these problems regular basis. If cooling is not needed at night during the cooling season,allow the blower to run for a few hours after the pump has been shut-down to dry Cleaning the Water Pump pads daily. 4. During the cooling season, we recommend that CAUTION: Do not allow the pump to topple over the pads be shut down nightly if possible with the or become submerged. Water will damage the blower running to dry the pads out for a few hours pump motor. This is nota submersible pump. before the unit is shut down. Disassemble and clean water pump as follows: Washing the Inlet Filter 1. Disconnect power. The pre-filter should be cleaned periodically as follows: 2. Disconnect the liquid tight connector from the 1. Turn the four latches and remove filter frame junction box to remove cord and connector. assemblies. 3. Disconnect the pump mounting bracket and hose. 2. Carefully remove the aluminum filters. Wash the 4. Remove the pump and basket screen. filters with warm water and a mild soap, rinse 5. To clean pump,snap out base of the pump;notice thoroughly. the impeller. 3. Re-install in unit. 6. Using a mild detergent solution,wash all deposits 4. If the aluminum mesh filters are damaged or from the impeller and the impeller base plate. cannot be cleaned, replace the mesh filter (See 7. Spin the impeller to dislodge any foreign material. replacement parts section). Make sure that the impeller spins freely. 8. Carefully snap the impeller and impeller base plate Cabinet Cleaning and Touch-Up back onto the pump. The cabinet and all internal parts of the Evaporative 9. Wash the pump basket screen using the same Cooler should be cleaned annually using a soft cloth, detergent solution, and rinsing thoroughly to warm water,and a mild cleanser. remove any debris.If unable to clean,replace with a new screen (See replacement part section). NOTE: Avoid using steel wool or sandpaper in normal cleaning of the unit. NOTE:The pump motor does not require any lubri- cation. Winter Shut Down 1. Clean and flush out Evaporative Cooler media and sump. 2. Clean water distributor holes. 3. Drain fill pipe and leave open. DO NOT LEAVE ANY WATER IN THE SYSTEM. FREEZING CAN CAUSE MAJOR DAMAGE TO THE UNIT. 4. Remove and clean pump if necessary. 5. Check sump tank for leaks and repair if necessary. Sump tank is fabricated from stainless steel. • — 10— Roof Curb Kit • AIR rt4s, 0 - ;, 0. --... 4011,11100•. \` / ioo \ I 1 �lil .. , -01 .- • • 0 -__ � © VIEW A •1-2:>-_ ,. All TYP. (S) PLC'S. Club Platform to Unit Assembly III , * - s 0 SEE VIEW A Approximate Curb Kit Roof Curb Kit Shipping Weight Contents: opacity(CA) Weight(lbs.) OEvaporative Cooler Assembly(sold separately) 10/15 20/25/50 O Curb(2 platforms per kit) 30 30/35/60/70 0 1/4-20"KEPT Nut(8)required 4aeo O 1/4-20 x 5/8 LG.Hex HD.Bolt(8)required 1 lb.=0.453 kg 1 • *One Platform Kit fits All Evaporative Cooler Modules/Capacities(CA)-10/80 Capacities(50,60,70 and 80 are for(RT/PV)unit types only. — 11 —