White Rodgers 47D43-811 Demand Defrost Control Catalogo
COOLING /
REFRIGERA
TION
47D43-811 Replaces:
47D43-111
47-102685-05
47-102684-04
47D43-111
47-102685-02
47-102684-07
47D43-111 02
47-21517-22
47-102684-08
47D43-101
47-21517-92
DDL-122131-2RH
47-102685-04
47-102684-02
DDL-122131-2RH
47-102685-84
--
--
47D40-801 Replaces:
47-21517-16
47-102685-03
47-21517-17
47-102684-01
47-21517-18
47-102684-03
47-21517-23
47-102684-83
47-21517-24
DDL-013102-1RH
47-21517-11
DDL-017002-2RH
47-21517-14
DDL-017102-1RH
47-21517-13
DDL-017702-1RH
47-21517-82
DDL-117702-3RH
47-21517-88
DDL-013002-0RH
47-102685-01
DDL-013002-1RH
47D Series
(coming soon)
47D SERIES DEMAND DEFROST CONTROL
Microprocessor-based controls designed to detect ice build-up on the
outdoor coil in a heat pump system and defrost the coil by reversing
the direction of refrigerant flow. Replaces Rheem models.
FEATURES
• Demand defrost algorithm “self-calibrates” to the heat pump system.
• Compressor contactor relay control for short-cycle protection, and noise reduction
while reversing valve shifts.
• Dipswitch-selectable defrost termination temperature (50/60/70/80ºF).
• Kits Include replaceable ambient and coil temperature sensors.
• LED diagnostic display.
SPECIFICATIONS
Electrical Ratings [@ 77ºF (25ºC)]:
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:
Relay Load Ratings:
Compressor Contactor Relay
(CC, only used in 47D40-801) . . . . . . . . . 20 VA in rush, 6 VA holding
Reversing Valve Relay (RV) . . . . . . . . . . . 24 VA
Auxiliary Heat Relay (D) . . . . . . . . . . . . . . 1 Amp. 0.6 P.F.
Operating Temperature Range. . . . . . . . . -40
o
to 150
o
F (-40o to 65
o
C)
Humidity Range . . . . . . . . . . . . . . . . . . . . 5% to 95% relative humidity
(non-condensing)
Timing Specifications @ 60Hz* . . . . . . . .
Timing Specifications @ 60Hz* . . . . . . . .
Nom. Units
Defrost Lockout Time . . . . . . . . . . . . . . . . 34
Mins
Maximum Defrost Time. . . . . . . . . . . . . . . 15
Mins.
Maximum Frosting Time . . . . . . . . . . . . . . 6
Hrs.
Short Cycle Lockout Time. . . . . . . . . . . . . 5
Mins.
Noise Abatement Time . . . . . . . . . . . . . . . 5
Sec.
NOTE: 50Hz Timings are 20% longer
PARTS AND ACCESSORIES
• F67-8206 — Ambient and Coil Sensor kit (48” lengths)
Model Number
Hi/Lo
Pressure
Switch Inputs
Outdoor Fan Relay
Mounting
Dimensions
47D40-801
No
PSC 1-speed
Metal Standoffs
3.375
”
x 3.625
”
47D43-811
Yes
PSC or ECM, 1-speed
Plastic Standoffs
3.5
”
x 5.5
”
CROSS REFERENCE
47D SERIES DEMAND
DEFROST CONTROLS
www.white-rodgers.com
79
COOLING /
REFRIGERA
TION