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Universal Defrost Control for Single Stage On/Off Heat Pumps
Universal Defrost Control for Single Stage On/Off Heat Pumps
Universal Defrost Control for Single Stage On/Off Heat Pumps
Universal Defrost Control for Single Stage On/Off Heat Pumps
Universal Defrost Control for Single Stage On/Off Heat Pumps

DB7110U1000/U

Universal Defrost Control for Single Stage On/Off Heat Pumps

This product is available in the US only.

  • Product Info
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Overview

Universal Defrost Control for Single Stage On/Off Heat Pumps. It provides control of the outdoor equipment; compressor contactor, reversing valve, and outdoor fan in response to thermostat requests and air and coil temperatures. It also controls the indoor auxiliary heat source that is used during defrost operations and often as a second stage of heat. A defrost cycle is triggered based on outdoor air and outdoor coil temperatures that are measured using included temperature sensors.

Product Specifications

Application
Single Stage Heat Pumps
Includes
Air temperature sensor with 2 pin connector; Coil temperature sensor with 3 pin connector; Wire leads; Wire nuts; Mounting screws
Comments
All terminals except FAN-IN and FAN-OUT are NEC Class 2 low voltage; FAN-IN and FAN-OUT are line voltage.
Item Type
Product
Mounting
Any Orientation, but recommended to mount so display is easily readable
Electrical Ratings
Maximum Input Current: 200 mA; Compressor Contactor: 1A @ 24 Vac; Aux Heat: 1A @ 24 Vac; Reversing Valve: 1A @ 24 Vac; Outdoor Fan: 1/2 HP motor, 5A full load, 30A locked rotor, 240 Vac.
Frequency
60 Hz
Stages
Single Stage On/Off
Electrical Connections
1/4 in. quick connect
Operating Humidity Range (% RH)
Less than 95% RH, non-condensing
Supply Voltage
24 Vac
Operating Temperature Range (F)
-40 F to 150 F
LEDs
System LED, Fauult LED
Ambient Temperature Range (F)
Coil Enable: 30 F to 36 F; Termination Temperature: 50 F to 100 F; Auxiliary Lockout Temp: 0 F to 40 F; Compressor Lockout Temp: -10 F to 40 F
Display
4 character 7 segment display for Menu and Settings
Operation
All outputs rated for 100,000 operations