Carrier Streamline Scroll 69NT20-531-300 - Manual (Page 20)

2-6 T-309
2.2 REFRIGERATION SYSTEM DATA
Model RSH105
Weight (Dry) 46.5 kg (103 lb)
a Compressor/Motor
Approved Oil Mobil ST32
a. Compressor/Motor
Assembly Oil Charge 2957 ml (100 ounces) y
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. Evaporator Expansion
Valve Superheat
Verify at --18 _C
(0 _F) container box
temperature
4.4 to 6.7 _C (8 to 12 _F)
c. Economizer Expansion
Valve Superheat
4.4 to 11.1 _C (8 to 20 _F)
d Heater Termination Thermostat
Opens 54 (¦ 3) _C = 130 (¦ 5) _F
d. Heater Termination Thermostat
Closes 38 (¦ 4) _C = 100 (¦ 7) _F
e High Pressure Switch
Cutout 25 (¦ 1.0) kg/cm@ = 350 (¦ 10) psig
e. High Pressure Switch
Cut-In 18 (¦ 0.7) kg/cm@ = 250 (¦ 10) psig
Unit Configuration Charge Requirements -- R-134a
Water Cooled
4--Row Coil
f. Refrigerant Charge
Water-Cooled
Condenser
5.33 kg
(11.75 lbs)
Receiver
4.99kg
(11.0 lbs)
g Fusible Plug
Melting point 99 _C = (210 _F)
g. Fusible Plug
Torque 6.2 to 6.9 mkg (45 to 50 ft-lbs)
h. Sight Glass/Moisture Indicator Torque 8.9 to 9.7 mkg (65 to 70 ft-lbs)
i Rupture Disc
Bursts at 35 ¦ 5% kg/cm@ = (500 ¦ 5% psig)
i. Rupture Disc
Torque 6.2 to 6.9 mkg (45 to 50 ft-lbs)
j. Unit Weight Refer to unit model number plate.
k Water Pressure Switch
Cut-In 0.5 ¦ 0.2 kg/cm@ (7 ¦ 3 psig)
k. Water Pressure Switch
Cutout 1.6 ¦ 0.4 kg/cm@ (22 ¦ 5 psig)