Applications and Specifications

Configuration

Applications

Maximum

Options

 

Stages

 

 

 

Single Stage

Gas, Oil, Electric, Heat Only, Cool Only or

1/1

 

Heat Cool Systems

 

 

 

 

 

Multi Stage

Gas, Oil, Electric, Heat Only, Cool Only or

2/2

 

Heat Cool Systems

 

 

 

 

 

Heat Pump

Single or Two Compressor Systems with up

4/2

 

to 2 Stages of Aux / Em Heat

 

 

 

 

 

Heat Pump

Single or Two Compressor Systems with up

4/2

with Dual Fuel

to 2 Stages of Fossil fuel Heat

 

 

 

 

Electrical Rating:

 

Input-Hardwire

20 to 30 VAC

Terminal Load

1.0A per terminal, 2.5A maximum

 

all terminals combined

Setpoint Range

45° to 99°F (7° to 37°C)

Differential (Single Stage)

Heat 0.6°F; Cool 1.2°F

Differential (Multi-Stage)

Heat 0.6°F; Cool 1.2°F

Differential (Heat Pump)

Heat 1.2°F; Cool 1.2°F

Operating Ambient

32°F to +105°F (0° to +41°C)

Operating Humidity

90% non-condensing max.

Shipping Temperature Range

-40° to +150°F (-40° to +65°C)

Dimensions Interface

3-1/4"H x 6-1/8"W x 5/8"D

Dimensions Control

5-1/2"H x 5-3/4"W x 1-1/2"D

APPLICATIONS

SPECIFICATIONS

 

&

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Emerson 1HDEZ-1521 Applications and Specifications, Configuration Applications Maximum Options Stages