hussman RGSSFP manual Stat Location, Wiring Color Code

Rev.0008

EXPANSION VALVE ADJUSTMENT

Expansion valves must be adjusted to fully feed the evapo- rator. Before attempting any adjustments, make sure the evaporator is either clear or very lightly covered with frost, and that the fixture is within 10° F of its expected operat- ing temperature.

MEASURING THE OPERATING SUPERHEAT

1.Determine the suction pressure with an accurate pressure gauge at the evaporator outlet.

2.From a refrigerant pressure temperature chart, determine the saturation temperature at the observed suction pressure.

3.Measure the temperature of the suction gas at the thermostatic remote bulb location.

4.Subtract the saturation temperature obtained in step No.2 from the temperature measured in step No.3.

3. The difference is superheat.

5. Set the superheat for 5° F - 7° F.

NOTE: Slow air picks up more humidity from coil and ice.

T-STAT LOCATION

T-Stats are located within the electrical raceway. at the front of the case.

Locations for Ballast, T-Stat and Electrical

	Light
	Ref. Dome
	(Optional)
	Coil
	Condensing
	Unit (S.C.)
ELEC. ACCESS
T-STAT &	Optional Electrical
BALLAST
	Access T-Stat and

Electrical

WIRING COLOR CODE

Self Contained cases are wired using a terminal block.

Remote cases are wired as follows:

STANDARD CASE WIRE COLOR CODE

CODIGO DE COLORES DE LOS ALAMBRES PARA LAS VITRINAS ESTANDAR

CODE COULEUR POUR FILS DE BOITIER NORMALISE

C o l o r D e s c r i p t i o n		D e s c r i p c i o n	D e s c r i p c i o n
	GROUND	TIERRA MASA	MASSE
	ANTI - SWEAT	ANTICONDENSCION	ANTI - SUINTEMENT
	LIGHTS	LUCES	ECLAIRAGE
	RECEPTACLES	ENCHUFER	RECEPTACLE
	T- STAT/SOLENOID 230 V	THERMOSTATO / SOLENOID (230 VAC)	SOUPAPE A SOLENOID (230 V)
	T- STAT/SOLENOID 115 V	THERMOSTATO / SOLENOID (115 VAC)	SOUPAPE A SOLENOID (115 V) CASE
	FAN MOTORS	VENTILADORES	VENTILATEUR
		430 - 01 - 0338 r9908

MUST BE GROUNDED

NOTE: Refer to label affixed to case to determine the actual configuration as checked in the “TYPE INSTALLED” boxes.

ELECTRICAL CIRCUIT IDENTIFICATION

Standard lighting for all models will be full length fluores- cent lamps located within the case at the top.

The switch controlling the lights, the plug provided for digital scale, and the thermometer are located at the rear of the case mullion.

The receptacle that is provided on the exterior back of these models is intended for computerized scales with a five amp maximum load, not for large motors or other high wattage appliances. It should be wired to a dedicated circuit.

ELECTRICAL SERVICE RECEPTACLES (When Applicable)

The receptacles located on the exterior of the merchan- diser are intended for scales and lighted displays.They are not intended nor suitable for large motors or other external appliances.

BEFORE SERVICING

ALWAYS DISCONNECT ELECTRICAL POWER AT THE MAIN DISCONNECT WHEN SERVICING OR REPLACING ANY ELECTRICAL COMPONENT.

This includes (but not limited to) Fans, Heat-

ers, Thermostats, and Lights.

FIELD WIRING & SERIAL PLATE AMPERAGE

FieldWiring must be sized for component amperes printed on the serial plate. Actual ampere draw may be less than

5