Manual de instrucciones de White Rodgers 47D40-801

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47D40-801
Demand Defrost Control
INSTALLATION INSTRUCTIONS
Operator: Save these instructions for future use!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.
DESCRIPTION
The 47D40-801 control is a microprocessor-based demand
defrost controller intended for Rheem heat pump systems.
This controller uses basic differential temperature means to
detect degradation of system performance due to i

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SPECIFICATIONS o o Electrical Ratings [@ 77 F (25 C)]: Rated Voltage..................................... 24 VAC Rated Voltage Range ............................... 18-30 VAC Max. Power Consumption @ 24 VAC .................. 4.08 VA Nominal Frequency................................. 50/60 Hz Relay Load Ratings: Compressor Contactor Relay ...................... 20 VA in rush, 6 VA holding Fan Relay...................................... 1/2 HP @ 240, 1/4 HP @ 120 VAC Reversing Valve Re

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INSTALLATION On some units, the Outdoor Ambient Temperature (OAT) and NOTE Outdoor Coil Temperature (OCT) sensors may be attached permanently to the controller. The 47D40-801 includes All wiring should be installed according to local and national replacement OAT and OCT sensors that plug onto the 2- and electrical codes and ordinances. 3-pin connectors on the controller board. The 47D40-801 control may be mounted on any convenient Before removing the old controller, note the location of

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White-Rodgers is a division of Emerson Electric Co. The Emerson logo is a www.white-rodgers.com trademark and service mark of Emerson Electric Co. www.emersonclimate.com