Emerson 1A11-2 User's Manual

LINE VOLTAGE

THERMOSTATS

1A11-2

HIGH

FAN

MED LOW

VALVE

(SOL)

L1*

(HOT) GND

CUSTOMER

CONNECTIONS

THERMOSTAT

SCHEMATIC

HIGH

FAN

SWITCH

MED

LOW

HEAT

RED

SYSTEM

SWITCH

HEAT

OFF

COOL

COOL

BLUE

*L1 is Power In

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

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

Dimensions. . . . . . . . . . . . . . . . . . . . . . . . 4 1 /

2

” H x 4 1 /

2

” W x 2 1 /

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)

Model

Number

1A11-2

Range

36 to 90°F

(2 to 32°C)

Differential

1.5°F

Switch

Action

SPDT 5.5A

2.75A

Contact Ratings

Motor Ratings (inductive) Full Load

120 VAC 240 VAC 277 VAC

2.3A

Motor Ratings (inductive) Locked Rotor

120 VAC

33.0A

240 VAC

16.5A

277 VAC

13.8A

Pilot Duty

120/240

277 VAC

120A

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