Emerson 1A11-2 installation instructions Installation Instructions, Description, Precautions

1A11-2

Fan Coil Heating-Cooling 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.

DESCRIPTION

The 1A11-2 thermostat controls line voltage valves and/ or blower motors on fan coil units in manual changeover, heating/cooling systems. It features a system switch for manual selection of heat -off-cool, a three speed manual fan control switch, an adjustable temperature dial with a 36 to 90°F range, and an indicating thermometer, all combined in one deluxe-styled control.

Color-coded leads are provided for connection to field wiring. The thermostat can be wired to perform the following functions:

-Thermostat cycles both fan and valve.

-Thermostat cycles fan only.

-Thermostat cycles valve only.

-System switch “OFF” breaks all circuits.

50 60 70 80 90

WHITE-RODGERS 60 70

50 80

40 90

FAN HIGH MED LOW

HEAT OFF COOL SYSTEM

PRECAUTIONS

If in doubt about whether your wiring is millivolt, line, or low voltage, have it inspected by a qualified heating and air conditioning contractor, electrician, or someone famil- iar with basic electricity and wiring.

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 compo- nents could cause the control to malfunction.

!CAUTION

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

!WARNING

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

White-Rodgers is a division	PART NO. 37-4113E
of Emerson Electric Co.	Replaces 37-4113D
www.white-rodgers.com	0547