Service manual

T -318
2-- 7
2.2 REFRI GERATION SYSTEM DATA
a. Compressor/Motor
Assembly
Number of Cylinders 6
Model 06DR
CFM 41
Weight (Dry) 118kg(260lb)
Approved Oil Castrol Icematic
Oil Charge degrees 3.6 liters (7.6 U.S. pints)
Oil Sight Glass
The oil level range, with the compressor off,
should be between the bottom and one-eighth
level of the sight glass.
b. Expansion Valve Superheat
Verify at -18 degrees
C
(0 degrees F) contain-
er box temperature
4.5to6.7C(8to12F)
c. Heater Termination Thermostat
Opens 54 (+/-) C = 130 (+/-) F
Closes 38 (+/- 4) C = 100 (+/- 7) F
d. High Pressure Switch
Cutout 25 (+/- 1.0) kg/cm@ = 350 (+/- 10) psig
Cut-In 18 (+/- 0.7) kg/cm@ = 250 (+/- 10) psig
e. Refrigerant Charge
Unit Configuration
Charge Requirements -- R-134a
3 row condenser
W ater-Cooled
Condenser
5.2kg(11.5lbs)
Receiver 4.9 kg (10.8 lbs)
NOTE
When replacing the following components (f.), (g.) and (h.), refer to the installation instructions included with the
replacement part for additional information.
f. Fusible Plug*
Melting point 99 C = (210 F)
Torque* 6.2 to 6.9 mkg (45 to 50 ft-lbs)
g. Sight Glass/Moisture Indicator Torque 8.9 to 9.7 mkg (65 to 70 ft-lbs)
h. Rupture Disc
Bursts at 35 +/- 5% kg/cm@ = (500 +/- 5% psig)
Torque
(P/N 14-00215-03)
1.4to2mkg(10to15ft-lbs)
i. Condenser Pressure
T ransducer
Condenser Fan Starts
The condenser fan will start if the condenser
pressure is greater than 14.06 kg/cm@ (200
psig) OR the condenser fan is OFF for more
than 60 seconds.
Condenser Fan Stops
The condenser fan will stop if the condenser
pressure is less than 9.14 kg/cm@ (130 psig)
AND the condenser fan remains ON for at least
30 seconds.
j. Unit Weight Refer to unit model number plate.
k. Water Pressure Switch
Cut-In
0.5 +/- 0.2 kg/cm@
3-row condenser (7 +/- 3 psig)
Cutout 1.6 +/- 0.4 kg/cm@ (22+/-5psig)
l. Discharge Pressure
Regulating Valve
Factory Setting 32.7 +/- 2.5 kg/cm@ (72+/- 5.5 psig)
* Rupture Disc, part number 14 -00215 -04 may be installed as an alternate for the receiver mounted fusible plug.