Carrier 69NT20-531-300 Model RSH105 Weight Dry 46.5 kg 103 lb, Temperature, To 11.1 C 8 to 20 F

2.2 REFRIGERATION SYSTEM DATA

		Model	RSH105
		Weight (Dry)	46.5 kg (103 lb)
a. Compressor/Motor		Approved Oil	Mobil ST32
		Oil Charge	2957 ml (100 ounces)
	Assembly
			The oil level range, with the compressor off,
		Oil Sight Glass	should be between the bottom and one-eighth
			level of the sight glass.
b. Evaporator Expansion		Verify at -18 _C
		(0 _F) container box	4.4 to 6.7 _C (8 to 12 _F)
	Valve Superheat
		temperature
c. Economizer Expansion			4.4 to 11.1 _C (8 to 20 _F)
	Valve Superheat
d. Heater Termination Thermostat		Opens	54 (¦ 3) _C = 130 (¦ 5) _F
		Closes	38 (¦ 4) _C = 100 (¦ 7) _F
e. High Pressure Switch		Cutout	25 (¦ 1.0) kg/cm@ = 350 (¦ 10) psig
		Cut-In	18 (¦ 0.7) kg/cm@ = 250 (¦ 10) psig
		Unit Configuration	Charge Requirements - R-134a
		Water-Cooled	4-Row Coil
f.	Refrigerant Charge		5.33 kg
		Condenser
			(11.75 lbs)
		Receiver	4.99kg
			(11.0 lbs)
g. Fusible Plug		Melting point	99 _C = (210 _F)
		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)
		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)
		Cutout	1.6 ¦ 0.4 kg/cm@ (22 ¦ 5 psig)

T-309 2-6