Emerson 1HDEZ-1521 installation instructions Applications and Specifications

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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