©Johnstone Supply eCatalog 216

HVAC CONTROLS Heat Pump Controls

Demand Defrost Control Kit • Demand defrost algorithm “self-calibrates” to the heat pump system • LED diagnostic display • Compressor short-cycle protection • Dipswitch-selectable defrost termination temperature (50/60/70/80ºF)

• Replaceable ambient and coil temperature sensors • Includes high- and low-pressure switch inputs with multi-strike lockouts for additional compressor protection WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Each

Order #

Mfg. #

Volts

OEM Replacement for

B19-026

47D43-811

24 VAC

Rheem

115.00

Universal Heat Pump Defrost Control • Replaces virtually all single stage defrost controls • Selectable demand or timed defrost

• Access set up and diagnostic menus from any orientation • Brown out and short cycle protection WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

• Universal mounting with rotating display • Preconfigured for major OEM brands • Integrated indoor thermostat

Each

Order #

Mfg. #

Volts

L47-933

47D01U-843

24 VAC

345.00

Universal Heat Pump Defrost Control • Defrost control for single stage on/off heat pumps • Provides control of the outdoor equipment; compressor contactor, reversing valve,

and outdoor fan in response to thermostat requests and air and coil temperatures • Replaces more than 260 OEM defrost controls

Each

Order # Mfg. #

Volts

B21-262 DB7110U1000/U 24 VAC

299.00

BC Blower Control • Increase heating efficiency by delaying the ON and OFF cycle of blower fan • Control voltage: 24 VAC

• Relay contacts: SPST • Blower on time: 0-240 seconds adjustable • Blower off time: 0-240 seconds adjustable

Each

Order # Mfg. # L47-609 BC7070

105.00

Fan Control Centers • OEM replacement control circuit boards for circulating fans in heat pumps, air conditioning

• ON delay allows air to reach the proper comfort level prior to energizing fan • Input voltage: 18 to 30VAC Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

units and forced-air systems • Dual function fan delay timer • OFF delay purges ducts of residual air

Switch Action

Primary Voltage

Secondary Voltage

Each

Order #

Mfg. #

OEM Replacement for

Time Delay

Volts

L38-651

ICM271C Robertshaw: 695-100; Carrier: CES0110017,

Relay 120 VAC 18-30 VAC HEAT BLOWER ON: 75 sec., HEAT BLOWER OFF: 105 sec., COOL BLOW ER OFF; 90 sec. Relay 120 VAC 18-30 VAC HEAT BLOWER ON: 60sec., HEAT BLOWER OFF: 60-240sec., COOL BLOWER OFF: 90 sec.

18-30 VAC 179.00

CES0110018; Carrier/BDP: HH84AA010, HH84AA011, HH84AA012, HH84AA013, HH84AA020, P771-7002, 302075-3

L38-652

ICM275C Robertshaw: 695-101; Carrier: CES11019, HH84AA001, HH84AA003, HH84AA005, HH84AA009, HH84AA014, HH84AA015, HH84AA021

18-30 VAC 209.00

L43-835

ICM277C Goodman: B1370735S

Relay — 18-30 VAC ON: 7 sec., OFF: 65 sec.

18-30 VAC 155.00

326

©2023 Johnstone Supply, LLC