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Product Data

KSCdirect Part #: HON RC845/U
Description: FOSSIL FUEL RELAY 22 A FAN CONTACT 120 V/0.8 HP 240 V/1.5 HP AUXILIARY H E
MFG Part #: RC845/U
UPC: 775264094897
Supplier: Honeywell / Resideo
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Details

22 A fan contact 120 V/0.8 HP 240 V/1.5 HP auxiliary heat contact 5 A/30 V
Residential Comfort/Combustion : Radiant Heating Controls : Heating Relays : Heat Pump Add-on Relay : RC845 : RC845/U

Add-on fossil fuel relay. Control gas, oil furnace burner or electric furnace.

Overview

Controls a gas, oil or electric furnace and the fan when adding a heat pump to an existing heating system

Features

  • Compatible with most heat pump thermostats
  • Compact size permits installation on or inside an electrical box
  • Integrated design eliminates need for two-relay setup
  • Clearly labeled wires and connections enable simple installation and servicing
  • Low voltage dry contact output activates auxiliary heating system
  • Line voltage contact output controls fan
  • Terminal board connection enables easy installation

Product Specifications

Application
Control gas, oil furnace burner or electric furnace as well as the fan when adding a heat pump on an existing heating system
Dimensions (in.)
3-7/32 in wide x 2-7/32 in. high x 1-13/32 in. deep
Dimensions (mm)
82 mm wide x 56 mm high x 36 mm deep
Includes
Lock-nut
Used With
TH144 Series; TH146 Series
Comments
Compatible with most thermostats for heat pump add-ons on fossil fuel heating systems
Item Type
Product
Electrical Ratings
Inductive Load-- 0.8 HP @ 120 Vac, 1.0 HP @ 208 Vac (Fan Output), At full load-- 16 A @120 Vac, 12 A @ 240 Vac, At locked rotor-- 42 A @ 120 or 240 Vac
Frequency
60 Hz
Approvals, Underwriters Laboratories Inc.
Approved
Operating Humidity Range (% RH)
0 to 95% RH, non-condensing
Temperature Ratings (C)
-20 C to 60 C
Temperature Ratings (F)
-4 F to 140 F
Shipping and Storage Temperature Range (F)
-40 F to 175 F
Shipping and Storage Temperature Range (C)
-40 C to 80 C
Approvals, Canadian Underwriters Laboratories Inc.
Approved
Weight (oz)
11.5 oz
Weight (g)
326 g
Input Voltage
Fan Contacts: 120 Vac; 240 Vac
Transformer
Fan Contacts: 22 A @ 120/240 Vac; Aux. Heat Contacts: 5 A @ 30 V
Terminal Wire size
12 AWG

Attributes/Specifications

Category Residential Comfort/Combustion
Manufacturer Honeywell / Resideo
Product Radiant Heating Controls
Style Radiant Heating Controls

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