Specifications (7) it
INSTAL =F £ ' HAVE YOI WITH YOUR •
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INSTALLING CONTRACTOR THE
& OPERATING • OPTIONAL. $300.00 2 " THROUGH
5Th YEAR COMPRESSOR LABOR
INSTRUCTIONS -7-.-71ROGRAM?
G'v ; States and Canada onl
. T � CONDENSING
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Goodman Manufacturing Co.
10-101B • 1501 Seamist, Houston, Texas 77008 08/94
IMPORTANT Close to the wall application assures free, unobstructed air to construction can support the weight and that proper consider -
The United States Environmental Protection Agency (EPA) has the other two sides. In more confined application spaces, ation is given the weather -tight integrity of the roof. The
issued various regulations regarding the introduction and such as corners provide a minimum of 10° clearance on all condensing unit contains moving components and can vibrate,
disposal of refrigerants in this unit. Failure to follow these air inlet sides. For service access to the compressor therefore, sound is also a consideration in rooftop application.
regulations may harm the environment and can lead to the compartment and controls, allow 18" minimum. Since these units discharge warm condenser air from the top
imposition of substantial fines. Because these regulations may with cooler air being drawn in three sides, plantings can be
vary due to the passage of new laws we suggest that any work We assume the top Is completely unobstructed. If units are made in relatively dose proximity to the unit. Owners should
on this unit be done by a certified technician. Should you have to be located under an overhang, there should be a minimum be advised to avoid lawn mower discharge toward the unit
any questions please contact the local office of the EPA. of 36° clearance and provision made to deflect the warm depositing debris on the fin coil surface reducing product
discharge air out from the overhang. See Fig. 3 for relative efficiency.
IMPORTANT MESSAGE TO OWNER elevation limitations and Table 1 for maximum refrigerant line
These instructions should be carefully read and • kept near lengths. ELECTRICAL SERVICE
product, for future reference. While these instructions are l
addressed primarily to the installer, useful maintenance • 1 Electrical installation will consist of power supply wiring to the
111
information is included. Have your installing dealer acquaint 10 Min. condensing unit as well as control wiring between thermostat,
Service —e
ii- Access —• :y' an
you with the operating characteristics of the product and 18" Min. i ;" VW indoor unit and the condensing unit. All wiring must be in
periodic maintenance requirements. O ` accordance with National Electrical Code and /or local codes
/ /III`` � that may apply. (See unit wiring diagram furnished with this
CODES AND REGULATIONS •.. instruction).
The condensing unit rating plate and the table inside the front
This product is designed and manufactured to permit installation Fig. 1 cover of this instruction lists pertinent electrical data necessary
in accordance with National Codes. It is the installers responsi- 11 for the selection of proper size electrical service andkover-
• bility to install the product in accordance with National Codes • ' • .1. • . • current protection. The owner should be made familiar with the
and/or prevailing local codes and regulations. 10" Min. • location of the over - current protection, the proper size for this
Service Access —ie.. �.) ' ' application and the proper procedure for disconnecting power
i" \ \ \ ` I I
:
" �� //
Min. %
The manufacturer assumes no responsibility for equipment 1 / service to the unit.
installed in violation of any code or regulations. 0- to" F
/6 • • The condensing unit control wiring requires a 24 Volt minimum
INSPECTION • ` / 25 VA service from the indoor transformer as shown on the
1‘..) t o" ' ' wiring diagram.
This product has been inspected at the factory and released to • ; . • . • .
the transportation agency without known damage. Inspect REFRIGERANT TUBING
exterior of carton for evidence of rough handling in shipment.
Unpack carefully, if damage is found, report immediately to the ' • Use only refrigerant grade (dehydrated and sealed) copper
10" Min.
transportation agency. tubing of the size indicated in Table 1 to interconnect the
�, r- condensing unit with the indoor evaporator. Take extreme care
i .
REPLACEMENT PARTS ' , ``11 i to keep the refrigerant tubing clean and dry prior to and during
1 � \`�11 � I', �— Service Access installation.
Order all replacement parts through your local distributor. When %i �.� 18" Min.
ordering parts, give c omplete model and serial number as shown Do not remove plugs from ends of tubing until connection is
oh the unit rating plate. ready to be made. '
Fig. 2 •
INSTALLATION • • " : - " • . . . . .. , . Suction line insulation is necessary to prevent condensation
• • from forming on and dropping from suction line. Generally 3/8"
• 10" Min.
The condensing unit is designed to be located outside the wall thickness of Armflexor equivalent is satisfactory. In
• building with free unobstructed condenser air inlet and dis- . •. • � ' severe application (hot, high humidity areas) greater thickness
charge. Additionally the unit must be situated to permit access • - i,,.///(�i, �a ll�% ; ;
for service and installation. Condenser air enters from three \ .` may be required. Apply suction line insulation by sliding it on
—6-10" 11 `lp ;or!nu/ !' the seale tubing before cutting and making connections.
sides. Air discharges upward from the top of the unit. Refrigerant ' . =� , -f Ser vice Access 9 9
18" a" Min.
tube and electrical connections are made on the right side of the ' ' 10" EVAPORATOR COILS
unit as you face the compressor compartment. The most • •
common application will find the unit best located 6" to 10" from ' " CAUTION: C1SE EXTREME CARE IN REMOVING THE
back wall with the connection side facing the wall. This "close to CAPS FROM THE SUCTION AND LIQUID LINE FITTINGS,
the wall" application minimizes exposed tubing and wiring, AS THERE IS PRESSURE PRESENT. A FITTING IS ON
minimizing the space for youngsters to run around the unit with The condensing unit must be mounted on a solid, level THE LIQUID LINE TO REMOVE PRESSURE.
subsequent damage to the tubes or wiring. (See fig. 1 & 2) foundation, i.e. preformed concrete slab or other suitable
base. For rooftop application, make sure the building
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Table 1 1. Connect lines to evaporator coil before connecting to the SYSTEM START UP
REFRIGERANT LINE LENGTH (ft) condensing unit locating access ports adjacent to condensing . .
CON 0 -24 25 -49 1 50 -74 unit. Condensing units are supplied R -22 charge sufficient for typical '
UNIT Line Diameter (in. OD) a. Form tubing so it properly aligns with coil connections. matching evaporator and approximately 25' of interconnecting
(TONS) Suct Liq Suct Liq Suct _ Liq b. Remove plugs and caps from connections. tubing. Condensing unit liquid and suction valves are closed to
1 -1/2 5/8 1/4 3/4 3/8 3/4 3/8 c. Check to be sure mating surfaces are clean. contain the charge within the unit. The recommended procedure
2 3/4 3/8 3/4 3/8 3/4 3/8 d. Lubricate rubber seal with clean refrigerant oil and thread for processing and charge adjustment is as follows:
2-1/2 3/4 3/8 3/4* 3/8 7/8 1/2 couplings together by hand to be sure they are not cross
3 3/4 3/8 3/4" 3/8 7/8 1/2 threaded. 1. Connect vacuum pump to both base valve service ports:
3 -1/2 3/4 3/8 7/8** 3/8 1 -1/8 1/2 e. Tighten connections using backup wrench on stationary 2. Evacuate'tubing and evaporator,,thru liquid and suction base
4 7/8 3/8 1 -1/8 3/8 1 -1/8 1/2 fitting until coupling bottoms; then tighten 1/6 turn to complete valve ports, to 500 microns or less for a minimum of 30 minutes. '
5 7/8 3/8 1 -1/8 3/8 1 -1/8 1/2 knife edge seal. Close valve to pump and wait 15 minutes. Vacuum should not
*7/8' required for full ratings 2. Connect lines to condensin unit in the same manner as to rise above 800 microns If unable to obtain 500 microns , or
**1 -1/8' required for full ratings evaporator coil. Observe same precautions. vacuum rises above 800 microns over 15 minute period,
3. After making all connections and opening valves, check all discontinue evacuation, pressurize and check for leaks. Repair
The following are instructions on the field connection to the valve piping for leaks. any leaks found and repeat step 2.
grid valve opening procedure,
3. Close valve to vacuum pump and stop pump. Break vacuum by
(1) Tubing should be cut square. Make sure it is round and free ?recharged lines opening liquid and suction base valves. Fully open base valves . .
of burrs at the connecting ends. Clean the tubing to prevent and remove pump lines. Connect service gages being sure to
contamination from entering the system. purge lines. •
Do not remove protective caps until installation has been 4. Set thermostat system switch to "cool" and temperature to
(2) Wrap a wet rag around the copper valve stub before completed and final connections are to be made. highest setting. Close all disconnects.
brazing. USE EXTREME CARE IN REMOVING CAPS FROM SUCTION 5. Set thermostat to call for cooling. Check for operation of indoor
(3) Braze or silver solder the joint. AND LIQUID LINE FITTINGS AS THERE IS PRESSURE •
(4) After brazing co
ng quench with a wet rag to cool the joint. PRESENT. and outdoor fans. Allow for at least 10 minutes.
Evacuate and charge the connecting lines as outlined in the 6. Check charge and adjust if necessary. (Refer to Appropriate •
"Checking Charge" section).
Installation and Operating instructions.,. Unit Location
W (5) Remove valve top cap. Keep the cap in a clean area so dirt CHECKING CHARGE - CAPILLARY TUBE/
does not get in the cap. This is important to be sure that If the outdoor unit is mounted above the air handler, the maximum
when the cap is replaced after opening the valve it will FIXED ORIFICE SYSTEM
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properly seal. lift should not exceed 70 feet (suction line). If air handler is
pro
(6) gro pe a standard L shaped alien wrench break open the mounted above condensing unit, the lift should not exceed 50 feet 1. Fully open both base valves.
(liquid line). 2. Conned service a e manifold to base -valve service ports
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valve body. To open the valve body after it is broken open, PITCH SUCTION UNE TOWARD OUTDOOR g g
use a racket wrench with a v b Allen stub. Please note UNIT 112 FOR EVERY 10 OF UNE being sure to purge lines. Run system at least 10 minutes to .
rr " "' - " "
ve.�urz;.. INDOOR UNIT ABOVE OR allow pressure to stabilize. •
that you will see oil on the valve stem body when the cap is ,- LEVEL TO OUTDOOR UNIT removed. This oil is put in the valve by the manufacturer
..... .
:irr rrr. 3. Temporarily install thermometer on suction (large) line near
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OUTDOOR ,1 .•.,,,
,..Amw condensing unit. Be sure of good contact between them er
and is normal. ■ UOUID UNE INDOOR UNIT 4-...=
(7) Replace the valve cap finger tight and tighten with a and line. Wrap thermometer with insulating material to assure
wrench an additional 1/6 of a turn to insure a seal. Fig. 3 accurate reading.
4. Refer to Table 2 for proper system superheat. Add charge to
°r,Mr', lower superheat. Remove charge to raise superheat.
NOTE FOR QUICK CONNECT COILS ..... •' 'a
�. OUTDOOR UNIT 5. Remove gage lines carefully, Escaping liquid refrigerant can
ii'i..�r� ADDITIONAL SUCTION UNE OIL TRAP 9 g Y P 9 q 9
Jnstallation of precharged system FOR EACH 20 FOOT RISE OF PIPE
air4rrr. cause burns.
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MAX LIQUID LINE t SUPERHEAT CAN BE DETERMINED AS FOLLOWS
SUCTION UNE OIL Installation procedure will differ when condensing units are INDOOR UNIT WHEN INDOOR UNR IS 4
provided for use with precharged refrigerant coils and lines. , FEET OR MORE BELOW -
Condensin units are provided with #6 and #11 male uick OUTDOOR UNIT - • a.Read suction pressure. Using Table 3 determine saturated
9 P q INDOOR UNIT BELOW OUTDOOR UNIT suction temperature.
connects instead of liquid and suction valves attached to cabinet
to, contain the R -22 charge that is sufficient for matching
evaporator coils and 25' of interconnecting lines. f- b.Read suction line temperature.
INVERTED LOOP ICI
Coils are provided with #6 and #11 male quick connects. Line UOUID UNE INDOOR UNIT SUPERHEAT = SUCTION LINE TEMP. -SAT: SUCT. TEMP.
sets are required with #6 and #11 female quick connects on both OUTDOOR UNIT scr
ends. Access ports are required in the fittings of both liquid and .. ""m "%
.r MAX
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suction lines at condenser end. Both coil and line sets include W::!^
. -:.ter . v.
R -22 holding charge only. -_%. %. SUCTION UNE
war.nrruumv:
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Table 2 EXPANSION VALVE SYSTEM SPECIAL NOTE -
System Superheat Systems With More Than 25 ft of Interconnecting Tubing
Ambient Condenser 1. Fully open both base valves. See Table 5 for line charge allowance per foot of tubing.
Inlet Temperature Return Air 2. Connect service gage manifold to base -valve service parts being
('F Drybulb) Temperature (•F Drybulb) sure to purge lines. Run system at least 10 minutes to allow Table 5
65 65 70 75 pressure to stabilize.
100 5 5 3. Temporarily install thermometer to liquid (small) line near Line Charge Allowance (R -22) oz./ft
96 5 5 5 condensing unit. Be sure of good contact between thermometer Line
and line. Wrap thermometer with insulating material to insure
90 7 12 18
accurate reading. O.D. (in.) Liquid Suction
1/4 022
85 5 10 17 20 4. Adjust charge to obtain a temperature 12 -15 F below the
80 5 12 21 26 saturated liquid temperature determined from Table 4. 3/8 0.58
75 5 10 17 25 29 1/2 1.14 /8
70 5 14 20 28 32 Example: 5/8 1.86 0.04
65 13 19 26 32 35 .3/4 0.06
60 17 25 30 33 37 Liquid Pressure - 260 PSIG 7/8 0.08
Saturated Temp. -120'F 1 1/8 0.15
Table 3 Adjust Charge to Liquid Line Temperature -105F 1/3/8 0.22
Saturated Suction Temperature (R -22) Table 4
Suction ) Saturated Suction Liquid Pressure Saturated Liq System seperation condensing Pressure (PSGI) Temperature'F S m with over 50 ft. se ration between ccndensin unit and
PSIG Temperature •F evaporator may require oil charge adjustment.
50 26
53 28 200 102 See Table 6
55 53 30 210 105
58 32 220 108 Table ti
61 34 230 111
240 114 UNIT ADDITIONAL OIL REQUIRED (oz.)
•
63 38
86 38 250 117 MODEL PER 10 FT OF LINE*
69 40 260 120 1 1/2 TON 025
270 123 2 -5 TON 0.5
72 42
280 126
75 44
290 128 'Use Either Texaco WF-32 (formerly cappella B) or Suniso 3G-S
78 46
81 48 131 oil. •
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