Carrier Supra 650 Service Manual download pdf (Page 27)

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1.6.2 Compressor Data

Model (Unit)

05K 012 (550/650/750) 05K 024 (850) 05G37 (950)

Displacement 12.2 in

200 cc) 24.4 in

(400 cc) 37 in

(600 cc)

No. Cylinders 2 4 6

No. Unloaders 0 1 1

Weight 84 lbs (38 kg) 108 lbs (49 kg) 137lbs (62 kg)

Oil Charge 4.0 pints (1.9 L) 5.5 pts (2.6 L) 6.75 pts (3.2)

APPROVED COMPRESSOR OIL

Refrigerant 05G/05K

R-404A

Mobile Arctic EAL 68

Castrol Icematic SW-68C

a. High Pressure Switches

HP1

Opens on a pressure rise at: 465 +/-- 10 psig (32.7

+/-- 0.7 kg/cm@)

Closes on a pressure fall at: 350 +/-- 10 psig (24.6 +/--

0.7 kg/cm@)

HP2 850 Only

Closes on a pressure rise at: 440 +/-- 10 psig (29.9

+/-- 0.7 kg/cm@)

Opens on a pressure fall at: 367 +/-- 12 psig (25 +/--

0.8 kg/cm@)

b. Compressor Discharge Temperature Sensor

(CDT)

This is a thermistor type sensor located (when installed)

on the compressor discharge cover.

Unit shuts down:

SIf ambient is less than 120°F(50°C) AND

Temperature exceeds 310°F (154°C) for 3 min

SIf ambient is greater than 120°F(50°C) AND

Temperature exceeds 340°F (171°C) for 3 min

SImmediately shuts down in all ambients

If temperature exceeds 350°F (177°C)

1.6.3 Refrigeration System Data

a. Defrost Timer

1-1/2, 3, 6, or 12 hours

b. Defrost Thermostat

Opens at: 47_ +/ -- 5_F(8_ +/-- 3_C)

Closes at: 37_ +/-- 5_F(3_ +/-- 3_C)

c. Defrost Air Switch Setting

550/650/750; Initiates at: 1.00 +/-- .07 inch

(25.4 ¦ 1.8 mm) wg

850/950; Initiates at: 0.70 +/-- .07 inch

(17.8 +/-- 1.8 mm) wg

d. Refrigerant Charge

RefertoTable1-1

e. Compressor Pressure Regulating Valve (CPR)

MODEL

CPR Setting CPR Setting

psig Bars

SUPRA 550 34 +/-- 1 2.3 +/-- 0.07

SUPRA 650 28 +/-- 1 1.91 +/-- 0.07

SUPRA 750 32 +/-- 1 2.18 +/-- 0.07

SUPRA 850/950 29 +/-- 1 1.97 +/-- 0.07

f. Thermostatic Expansion Valve Superheat

Setting at 0_F (--17.8_ C) box temperature: 8-10_F

(--13.3 to --12.2_C)

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Comments to this Manuals

Hermes Hurtado 13 Mar 2025 | 11:43:58

Soy mecánico mantenedor. Necesito manuales técnicos

Carrier Supra 650 Service Manual Page 27

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