Compressor Bristol H2NG204 DREF
Technical Specifications:
Voltage Phase Frequency Evaporator Temperature Range
380/ 415 3 50 -20° F to 55° F
Performance 1
ARI
( 380v)
Capacity ( Btu/ hr) 173 700
Motor Input ( Watt) 16 770
Current ( Amp) 30.0
EER ( Btu/ W-hr) 10.4
Efficiency ( % )

Evaporating Temp.° F 45
Condensing Temp.° F 130
Ambient Temp.° F 95
Liquid Temp.° F 115
Return Gas Temp.° F 65
Nominal Performance Data @ 50 Hz ( ± 5% ) based upon 72hr run-in

Mechanical Data
Bore X Stroke 2.188 X 1.031 in Speed 2950 rpm
Displacement N/ A ft3/ hr IPRV Setting 400 - 500 ” P( psi)
Displacement N/ A in3/ rev Refrigerant Charge Limit 20 lb

Electrical Data
RLA: 30.0 LRA: ( 1st Winding) : N/ A
( Full Winding) : 150 MCC: 49.0
Voltage Range: 342 - 457 Protection Type: Pilot Duty
U.L. File: SA5470 CE Approval: Yes CCC Approval: Yes

Motor Res. in Ohms ( ? ) ± 5%
T1-T3
( C-R) T1-T2
( C-S) T2-T3
( S-R)
0.765 0.765 1.530

Electrical Accessories
Module Voltage Options Crankcase Heater
24V Module, Bristol P/ N: 241770 ( INT 369R) Watts : 95
Bristol P/ N : 241230
120V Module, Bristol P/ N: 241771 ( INT 369R) Recommended Valves :
230V Module, Bristol P/ N: 241771 ( INT 369R) 1 5/ 8 Suction , Bristol P/ N : 250526
1 1/ 8 Discharge , Bristol P/ N : 250527

Other Technical Info
Oil Name: Alkylbenzene 150T Oil Charge
Oil Spec: 581006 Initial Charge: 224 oz Recharge: 208 oz
Viscosity: 28.2 cSt @ 40° C
Internal Free Volume: 1 668 in3 Weight Net: 248.0 lb
Max. Compressor Height: 21.75 in Weight Shipped: 260.0 lb