THERMOSTATS

LINE VOLTAGE THERMOSTATS

1A11-2

1a11-2 LIGHT DUTY FAN COIL THERMOSTAT

For Direct Control of Line Voltage Valves and/or Blower Motors on Fan Coil Units Featuring Manual Changeover From Heat to Cool and a 3-Speed Fan Switch, Subbase Included

FEATURES

Mounts to a standard vertical outlet box or on a two-gang outlet box. May also be mounted on a 4” x 4” junction box with an adapter (not provided).

Wiring color coded for ease of installation.

3-speed manual fan switch: High – Medium – Low.

System Switch: Heat – OFF – Cool. “OFF” breaks both valve and fan circuits.

Beige color.

SPECIFICATIONS

 

 

 

FAN

 

 

 

HIGH

MED

LOW

 

CUSTOMER

 

TAN

BLUE

RED

 

CONNECTIONS

 

 

 

 

 

THERMOSTAT

 

 

 

 

 

SCHEMATIC

 

 

 

 

 

HIGH

FAN MED

SWITCH

LOW

RED

HEAT

SYSTEM

SWITCH OFF

COOL

BLUE

*L1 is Power In

VALVE

L1*

GND

(SOL)

(HOT)

ORANGE

BLACK

GREEN

HEAT

COOL

Dimensions . . .

. . . . . . . . . 41/2”H x 41/2” W x 21/4”D

Agency

. . . . . . . . . . . . . . . . . U.L. listed and C.S.A. approved

PARTS AND ACCESSORIES

• Thermostat guards – see pages 24-25

Thermostat cycles both fan and valve

Thermostat cycles fan only (if valve is not used tape orange lead)

System “OFF” breaks both valve and fan circuits

Thermostat cycles valve only with continuous fan (interchange valve and L1 leads)

Note: Above FAN and SYSTEM switches shown in

MED and HEAT positions respectively.

1A11-2

5-wire with ground, for single valve,

manual heat/cool changeover

 

 

 

 

 

 

Contact Ratings

 

 

Pilot Duty

Model

 

 

Switch

Motor Ratings (inductive) Full Load

Motor Ratings (inductive) Locked Rotor

120/240

Number

Range

Differential

Action

120 VAC

240 VAC

277 VAC

120 VAC

240 VAC

277 VAC

277 VAC

1A11-2

36 to 90°F

1.5°F

SPDT

5.5A

2.75A

2.3A

33.0A

16.5A

13.8A

120A

 

(2 to 32°C)

 

 

 

 

 

 

 

 

 

30

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Emerson 1A11-2 dimensions Line Voltage Thermostats, 1a11-2 Light Duty FAN Coil Thermostat, Features, Specifications

1A11-2 specifications

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