Specifications

Fan Centers
170 customer.honeywell.com 70-6910
R8239 Control Center
Include NEMA standard transformer for excellent voltage control.
Provide low voltage control of line voltage fan motors and auxiliary
circuits in heating, cooling or heating-cooling circuits.
• NEMA standard Type D transformer (included) powers low voltage
control systems.
• Provide overload protection for transformer.
• Convenient connections for thermostat, and heating-cooling
equipment wiring.
• Mount on standard 4 x 4 junction box.
• Can be mounted in any indoor location without additional enclosure.
• Relay is easily replaced without disturbing wiring.
• Include relay enclosures.
Dimensions, Approximate: 4 1/2 in. high, 4 3/16 in. wide,
3 3/32 in. deep (114 mm high, 106 mm wide, 79 mm deep)
Electrical Ratings (W): 12 W maximum
Coil Ratings (inrush): 20 VA maximum, 17 VA nominal.
Coil Ratings (sealed): 10 VA maximum, 9 VA nominal
Approvals:
Canadian Standards Association: Certified
NEMA Standard:
NEMA Standard DC20-1992
Underwriters Laboratories, Inc. UL Listed
R8285 Control Center
Provides low voltage control of line voltage fan motors and
auxiliary circuits in heating, cooling, or air conditioning systems.
• Transformer powers low voltage control systems and provides
overload protection.
• Low voltage terminal board provides convenient connections for
thermostat and heating/cooling equipment wiring.
• Mounts on standard 4 x 4 in. junction box.
• Relay is easily replaced without disturbing wiring.
Dimensions, Approximate: 4 3/16 in. high, 4 1/2 in. wide,
2 13/16 in. deep (106 mm high, 114 mm wide, 71 mm deep)
Electrical Ratings (W): 11 W maximum
Approvals:
Canadian Standards Association: Certified: File No. LR95329-17
Underwriters Laboratories, Inc. UL Component Recognized; File No.
E4436, Vol.15, Sec.1, Guide No.XAPX2
Electrical Ratings
120 Vac 240 Vac
Full Load Locked Rotor Full Load Locked Rotor
12A 72A 6.9A 41.4A
Product Number Application Frequency Horsepower Voltage
Power
Supply
(Vac)
Power Supply
(Secondary)
Switching
Action Includes
* R8239A1052 For single-or two speed fan. 50 Hz; 60 Hz 3/4 HP 120 Vac 40 VA 26.5 V SPDT R8222B
• R8239B1076 For system with F50 Electronic
Air Cleaner humidifier and
blower motor.
50 Hz; 60 Hz 3/4 HP 120 Vac:
208 Vac;
240 Vac
50 VA 26.5 V DPDT R8222D
* TRADELINE models • SUPER TRADELINE models
Electrical Ratings
120 Vac 240 Vac
Full Load Locked Rotor Full Load Locked Rotor
12A 72A 6A 35A
Product Number Application Frequency Horsepower Voltage
Power
Supply
(Vac)
Power
Supply
(Secondary)
Switching
Action Includes
* R8285A1048 For single-or two speed fan. 60 Hz 3/4 HP 120 Vac 40 VA 26.5 V SPDT R8222B
* R8285B1053 For "Total Comfort" applications
with electronic air cleaner,
humidifier and blower motor.
60 Hz 3/4 HP 120 Vac;
208 Vac;
240 Vac
40 VA 26.5 V DPDT R8222D
R8285D5001 For Hydronic Applications; use with
SV9600 SmartValve™ System and
other systems that require 50 VA
capacity.
60 Hz 3/4 HP 120 Vac 50 VA 26.5 V DPST (One
Power Rated,
One Pilot Duty)
R8222U
* TRADELINE models • SUPER TRADELINE models