Specifications ■
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Model number nomenclature — 38AH024 -034
38AH – 024 -- – 6 0 1 A A
38AH — Commercial Air - Cooled Compressors
Condensing Unit A — Standard Compressors - One Suction
Pressure - Actuated Unloader on Lead
Compressor
Not Used C — Variable Air Volume (VAV) Option -
Includes 2 Electric Unloaders on Lead
Compressor and Control Box
Nominal Tons Modifications
024 — 20
028 — 25
034 — 30
Not Used Fan Motors and Labels
A — Standard Condenser Fan Motors and
Labels
Condenser Coil Fin Material
– — Aluminum (Standard)
C — Copper
K — Pre - Coated Aluminum
E — E- Coated Al Fin/Cu Tubes
F — E- Coated Cu Fin/Cu Tubes Packaging
1 — Domestic
3 — Export
Voltage Designation
1 575 -3 -60
2 — 380-3-60 (Export Only)
d' 5 — 208/230 -3 -60 Revision Number
M 6 — 460-3-60 0 — Original Model
4
N LEGEND
= Al — Aluminum
0¢0 Cu — Copper
Quality Assurance
Certified to ISO 9001:2000
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Electrical data
OWE)
38AH024 -034 UNITS
NOMINAL VOLTAGE COMPRESSOR FAN MOTORSt POWER SUPPLY
UNIT 38AH VOLTAGE RANGE* RLA LRA Oty FLA MCA MOCP** ICF
3 Ph, 60 Hz Min Max Ckt 1 Ckt 2 Ckt 1 Ckt 2 (ea)
208/230 187 254 39.3 39.3 198 198 (1) 5.5 (2) 6.6 100.5 125 249.7
380tt 342 418 24.0 24.0 93 93 3.9 61.8 80 124.8
024 460 414 508 19.6 19.6 99 99 2 (1) 2.8 (2) 3.3 50.2 60 124.8
575 518 632 15.7 15.7 79 79 3.4 42.1 50 101.5
208/230 187 254 43.6 43.6 228 228 (1) 5.5 (2) 6.6 110.2 150 284.0
380tt 342 418 26.4 26.4 104 104 3.9 67.2 90 138.2
028 460 414 508 22.1 22.1 114 114 2 (1) 2.8 (2) 3.3 55.8 70 142.3
575 518 632 19.7 19.7 91 91 3.4 47.1 60 117.5
208/230 187 254 43.6 63.6 228 266 (1) 5.5 (2) 6.6 135.2 175 322.0
380tt 342 418 26.4 34.3 104 145 3.9 77.0 110 179.2
034 460 414 508 22.1 30.0 114 120 2 (1) 2.9 (2) 3.3 65.7 90 148.3
575 518 632 17.9 22.9 91 96 3.4 53.3 70 120.7
LEGEND 'Units are suitable for use on electrical systems where voltage
FLA - Full Load Amps supplied to unit terminals is not below or above listed minimum and
HACK - Heating, Air Conditioning and Refrigeration maximum limits.
ICF - Maximum Instantaneous Current Flow during starting (the tAll fans are protected by a single circuit breaker.
point in the starting sequence where the sum of the LRA - Fuse or HACK circuit breaker.
for the starting compressor, plus the total RLA for all tt380 -v units are export models.
running compressors, plus the total FLA for all running fan NOTE: The 208/230 -v, 460 -v and 575 -v base units are UL and UL,
motors is maximum). Canada approved.
LRA - Locked Rotor Amps
MCA - Minimum Circuit Amps (complies with National Electrical
Code [NEC], Section 430 -24)
MOCP- Maximum Overcurrent Protection
RLA - Rated Load Amps
UL - Underwriters' Laboratories
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ARI* capacity ratings 411/0
e
CONDENSING AIR SYSTEMt CONDENSING UNIT ONLY**
UNIT HANDLER/ Net Capacity EER IPLV Net Capacity EER IPLV
INDOOR COIL (Btuh) (Btuh)
40RMO24H 282,000 8.8 11.0
38AKS028 40RMO28H 300,000 9.0 11.2 330,000 10.2 12.1
40RM034H 316,000 8.9 11.0
38AKS034 40RMO28H 332,000 8.6 10.6 370,000 10.1 13.1
40RM034H 345,000 8.8 10.6
38AKSO44t1 - - - - 506,000 10.1 13.0
38AH024 40RM016H 222,000 9.8 9.4
40RMO24H 240,000 9.6 9.7 250,000 11.7 13.7
40RMO28H 250,000 10.2 10.3
38AH028 40RMO24H 268,000 9.4 9.5
40RMO28H 282,000 9.6 9.5 290,000 11.2 12.9
40RM034H 290,000 9.4 9.3
38AH034 40RMO28H 324,000 9.4 9.2 344,000 11.1 12.9
40RM034H 332,000 9.5 8.9
LEGEND 'Air Conditioning and Refrigeration Institute.
EER - Energy Efficiency Ratio tRatings in accordance with ARI Standard 360/365.
IPLV - Integrated Part Load Value "Condensing unit only ratings are at 45 F SST and 95 F entering -air
SST - Saturated Suction Temperature temperature.
tt38AKSO44 units combine with 39 series air handlers. For capacity
-P ratings on these units refer to AHUBullder® software.
38AKS028 - 044, 38AH024 - 034 SOUND LEVELS, dB
UNIT OCTAVE BAND
63 125 250 500 1000 2000 4000 8000 dBA
38AKS028 95 95 93 90 89 84 82 81 93.5
38AKS034 96 96 94 91 90 85 83 83 94.6
38AKSO44 99 99 96 93 92 88 86 86 96.9
38AH024 95 95 93 90 89 84 82 81 93.5
38AH028 95 95 93 90 89 84 82 81 93.5
38AH034 96 - 96 94 91 90 85 83 83 94.6
NOTES: 3. Since this data is estimated, the sound power levels should not be
1. Estimated sound power levels, dB re 1 Picowatt. guaranteed or certified as being the actual sound power levels.
2. This data is based upon a limited amount of actual testing with the 4. The acoustic center of the unit is located at the geometric center of
estimated sound power data being generated from this data in the unit.
accordance with ARI standard 370 for large outdoor refrigerating
and air- conditioning equipment. .
40RM016 - 034 ESTIMATED SOUND POWER LEVELS (Lw)
UNIT CFM dB(A) OCTAVE BAND CENTER FREQUENCY
63 125 250 500 1000 2000 4000
40RM016 6,000 92.7 98.9 94.9 90.9 91.9 85.9 83.9 79.9
40RMO24 8,000 96.4 102.6 98.6 94.6 95.6 89.6 87.6 83.6
40RMO28 10,000 96.2 102.5 98.5 94.5 95.5 89.5 87.5 83.5
40RM034 12,000 98.5 104.7 100.7 96.7 97.7 91.7 89.7 85.7
NOTE: Since this data is calculated, these sound power levels may be different than the actual sound power levels. The accoustic center of the unit is
located at geometric center of the unit.
3
6
Physical data
( 41 0 ___Ds
38AH024 -034 UNITS
UNIT 38AH 024 028 034
Ckt 1 I Ckt 2 Ckt 1 I Ckt 2 Ckt 1 1 Ckt 2
NOMINAL CAPACITY (tons)* 20 25 30
OPERATING WEIGHT (Ib)
With Aluminum -Fin Coil (standard) 1760 1820 1880
With Copper -Fin Coil (optional) 1923 1982 2097
REFRIGERANT, TYPEt R -22
Operating Charge, Typical (Ib) 20 20 20 20 25 25
Shipping Charge (Ib) 3 I 3 3 I 3 3 I 3
COMPRESSOR Reciprocating Semi - Hermetic
Oty...Model 1...06DH824 1...06DA824 1...06DH328 1...06DA328 1...06DH328 1...06DA537
No. Cylinders (per circuit) 6 6 6 6 6 6
Speed (rpm) 1750 1750 1750 1750 1750 1750
Oii Charge Per Circuit (pt) 10
Capacity Steps ( %) 67",33tt I — 6 ",33tt I — 67 ",33tt 1 —
Unloader Setting (psig) Factory Installed
Unload 58 I — 58 I — 58 I —
CONDENSER FANS Propeller Type — Direct Driven
Oty...RPM 2...1140
Diameter (In.) 30 30 30
Nominal Hp . 1.0 1.0 1.0
Nominal Airflow (cfm) 16,700 16,700 15,700
Watts (total) 1550
CONDENSER COIL Enhanced Copper Tubes, Lanced Aluminum Fins
Rows...Fins/in. 2...19 2...19 3...17
Face Area (sq ft) 39.20 I 39.20 I 39.20
Storage Cap. (Ib) "' 37.7 37.7 56.6
CONTROLS
Pressurestat (psig)
High Pressure w
Close 320 t 20
Low Pressure =
Open 27 t 3 O
Close 44 t 5 IV
Oil Pressure Manual Reset
Open 6.0 O
Close 8.8 w
.P
FAN CYCLING CONTROLS
No. 2 Fan:
Temp Close (F) 70 t 3
Temp Open (F) 60 t 3
PRESSURE REUEF
Location Liquid Line, Suction Line, Compressor
Temperature (F) 210
PIPING CONNECTIONS (in. ODM)
Suction — in. OD 1 3/8
Liquid — in. OD 5/8
Hot Gas Bypass — In. OD s/8
LEGEND
FIOP — Factory- Installed Option
'Rating conditions are 80 F db, 67 F wb at 95 F ambient temperature.
tTypical operating charge with 25 ft of interconnecting piping. Operating charge is approximate for maximum system capacity.
Standard unit — single suction pressure- actuated unloader on compressor no. 1.
ttVAV FIOP — two electrically actuated unloaders on compressor no. 1.
"Condenser 80% full of liquid R -22 at 120 F.
NOTE: Refer to Unloading Sequences table, page 44 for additional capacity step data.
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. Dimensions
4 / 11 Wlitit
CKT .1 A
ACCESS PANEL i i
-,-
• .
CKT .1 COLOR - '
1
1 1 11 / ., %I I
[22.21 7/8' DIA.(2) I I TI I _ -- 3 • FIELO CONTROL CIRCUIT WIRING - -• "'�_ ' �
CONTROL BOX _ II
,II C O N P N ,111 /liill lii'.i + `i m111�11111111. [IIi I(IFrril (u �a\iS1111�1�
SIOTIO■ 0112,\,,l'`,, \`.. i H / 1 / // � t
(22.21 7/9' DIA. 1 - - 1 .*_,----=- � j \` =
V.A.V CONTROL I _
(63.5 -92.11 2 1/2' -3 S/8' DIA.
FIELD MAIN POWER SUPPLY `, 1
1 III it FAN N•. 1 PAN •N•. I
CKT .2 COOK (2201 B- 11 /16' •
t 1
2 CKT.2 * TOP VIEW 4 .3.
ACCESS PANEL
DI1 * AIRFLOW NSER
(811 (766] POS IT�ONN
3 3/16' 2' -6 5/32'
ACCESS PANEL
• • r - sTED MA P
pCT .2 •
ACCESS PANEL 0 I SUCTION LINE CONECTION
�� 1 3/8' 0.0.
[,1381
3' -8 13/16' I- -
ACCESS (1231 IA13
d" PANEL 427/32
Q 1' LIQUID LINE
�}' (6001 -+ 5/9
0.0. FINK TRUCK
N (801 r-11 -11 S/B' LIFT POCKETS
p 3 1/9' ---(111 I
0) \ \ \ \ \-s &���� ������N >�,,;a���� 22S8g/
M 5 y 1' -1 B 111 B 738' [188011 t HOLES i (63.51
(AO]
6.-2' 2 1/2' DIA.
1 9/16 F M RT .2 - CKr .1 0301 I LIFTING
(63.5 -92.11 (1001
2 1/2' -3 5 /B' DIA. 3 15/16 I .�. 2 -S 7/8 411/8
FIELD POWER I. 6'-9'
ENTRY B LIFTING (32471
(22.21 (22.217/9' DIA. 10' -7 13/16'
7/8' DIA.(2) V.A.Y.
FIELD CONTROL POWER ENTRY SIDE VIEW
POWER ENTRY
NOTES:
1. There must be 4 ft [1220 mm] for service and for unrestricted airflow on 07421
6'4 -
all sides of unit.
2. There must be minimum 8 ft [2440 mm] clear air space above unit. [7661 T�
3. "C° in the package number indicates copper coils. 2M'- N6GET /B AL
4. Dimensions in [ ] are in millimeters. 7 �g= ` AccE DO OR
5. The approximate operating weight of the unit is shown below.
6. Certified dimensional drawing is available on request. t I, , l - „ i P
CENTER OF I l l ")
CORNER WEIGHT -Ib [k9] GRAVITY O
UNIT TOTAL (t 3151
38AH A Dim. B DIm. lb [kg -3 3/4'
"1" "2" ••3•• "4" In. In. . ACCESS DOOR "
[mm] [mm] (10093 (ELECTRICAL BOX ACCESS)
024 631.6 577.6 263.1 287.7 40 1760 40, 3'-3 3/4
•
[286.5] [262.0] [119.3] [130.5] [1016] [798.3] A PA l. C
024C 666.5 609.5 309.0 337.9 43.00 1923 "
[302.3] [276.5] [140.2] [153.3] [1092] [872.3]
028 658.7 602.4 267.0 291.9 39 1820 R0 8 1 d' - "
[298.8] [273.3] [121.1] [132.4] [ 32.75 [825.6] B 3/16'
•
028C 693.0 633.8 313.0 342.2 42.25 [ 1982 F
•
[314.3] [287.5] [142.0) [155.2] (1073] [899.0] 11--:1Z!. IFT p�
P 5
034 667.0 610.0 288.0 315.0 41.00 1880 1611 Li [ 16191
[302.5] [276.7] [130.7] [142.91 [1041) (853.0] 2 7/16' 5 3/4'
0340 718.3 656.8 344.8 377.0 44.00 2097 119.11 END VIEW
[325.8] [297.9] [156.4] [171.0] [1117] [951.2] 3/4' 0111,
MO(AITING HOLES
(TIP 4 PLACES)
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