Heatcraft Refrigeration Products H-IM-82B Diagram 1. PTT072H2B Cooler Air, PTT047H2B, PTT063H2B

WiriInformation.5g

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Diagram 1. PTT072H2B, Cooler - Air Medium

GND

			CC
BLACK		T1	L1
		T2	L2
BLACK
	PFC	WN
L1	T1
			CFM

PRIMARY SINGLE PHASE PROTECTION PROVIDED

USE COPPER CONDUCTORS ONLY FACTORY WIRING

FIELD WIRING

(WHEN PLUG

NOT

PROVIDED)

208-230V/1PH/60HZ

Room Thermostat Notes:

-Room temp sensor has 59" lead length

-Defrost sensor has 59" lead length and a blue label. -(3) Hours of compressor run time between defrosts. -Defrost termination temperature = 3.5°C / 38°F Approximate dial settings of room thermostat dial:

0 - Unit Off ( Not an electrical disconnect)

1 - 52°F / 11°C

3 - 45°F / 7°C

4 - 41°F / 5°C

5 - 38°F / 3°C

6 - 34°F / 1°C

Wiring Diagram for System, PTT099H2B, and PTT128H2B. Defrost Systems - Single Phase and Large Cabinet Models

TFC	WN
	Large Cabinet
	CFM
Outdoor Units Only

Minimum compressor run time - 1 minute

Minimum compressor off time - 4 minutes

	N		BLUE
YELLOW L	C	BLACK			CC	BLUE
	RT
	WN	DLT		WN		WN
					DLH	Outdoor Units Only
YELLOW		YELLOW	WHITE	GRAY
					CCH	GRAY BLUE
		BLACK				BLACK

Air Defrost 208-230/1/60 (B): Models Wiring. 208-230/1/60 voltages.

			BLACK	EFM	BLACK
				EFM
					Large Cabinet
		5		EFM
1	2	SR
	2	1
	C
	3	SC
R	S
	RC
COMPRESSOR			LEGEND
CC -- COMPRESSOR CONTACTOR		DLH -- DRAIN LINE HEATER	HL -- HEATER LIMIT THERMOSTAT	RT -- ROOM THERMOSTAT	TFC -- TEMPERATURE FAN CYCLE SWITCH
CCH -- CRANKCASE HEATER		DLT -- DRAIN LINE THERMOSTAT	HPS -- HIGH PRESSURE SWITCH	SC -- START CAPACITOR	WN -- WIRE NUT	Rev 2.47
CFM -- CONDENSER FAN MOTOR		EFM -- EVAPORATOR FAN MOTOR	PFC -- PRESSURE FAN CYCLE SWITCH	SR -- START RELAY
DH -- DEFROST HEATER		GND -- GROUND	RC -- RUN CAPACITOR	SW -- SWITCH

PTT047H2B, PTT063H2B,