White Rodgers 179 specifications Installation Instructions, Description, Precautions, Type, 7.4 A

Type 179

WHITE-RODGERS SPDT Heating/Cooling Room Thermostat

INSTALLATION INSTRUCTIONS

Operator: Save these instructions for future use!

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.

These room thermostats are specially designed to control combination heating and cooling equipment that operates on line voltage.

These controls are suitable for fans or water solenoids on heating/cooling convectors or any similar application that re- quires a heavy duty room thermostat with single pole, double throw (SPDT) switch action.

DESCRIPTION

W

H

I

T

E-R O DGERS

90
70	80
50	60
	40

NOTE

If in doubt about whether your wiring is millivolt, line, or low voltage, have it inspected by a qualified heating and air condi- tioning contractor or electrician.

Do not exceed the specification ratings.

All wiring must conform to local and national electrical codes and ordinances.

This control is a precision instrument, and should be handled carefully. Rough handling or distorting components could cause the control to malfunction.

This control has been accurately calibrated at the factory. Any attempt to calibrate this control will void the White-Rodgers warranty.

PRECAUTIONS

!CAUTION

To prevent electrical shock and/or equipment damage disconnect electric power to system at main fuse or circuit breaker box until installation is complete.

Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dan- gerous operation.

Following installation or replacement, follow appli- ance manufacturer’s recommended installation and/ or service instructions to insure proper operation.

!WARNING

Do not use on circuits exceeding specified voltage. Higher voltage will damage control and could cause shock or fire hazard.

Red	Blue
Common	Open on rise
	of temperature

White Close on rise of temperature

SPECIFICATIONS

Electrical Rating

A.C. Motor Rating	120 VAC	240 VAC
Full Load Current	7.4 A	3.7 A
Locked Rotor Current	44.5 A	22.2 A
Non-Inductive	24 A	20 A

These controls have a single pole, double throw (SPDT) snap action switch. The top left-hand terminal (red) is the common terminal. The top right-hand terminal (blue) has open-on-rise switch action. The bottom center terminal (white) has close-on- rise switch action.

WHITE-RODGERS DIVISION		PART NO. 37-0885B
EMERSON ELECTRIC CO.
9797 REAVIS ROAD	Printed in U.S.A.	Replaces 37-0885A
ST. LOUIS, MISSOURI 63123-5398		0017