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 Relay boards 

Model: R01-5A

This relay Board will operate 3 Line voltage fan speeds, 2 Line Voltage Heat and Cool Valves.

Output: 24VAC, thermostat R, C, Y, W, G1, G2, G3

  • Input Voltage: 120-240VAC or 277VAC
  • Output Voltage: 24VAC
  • This relay board will control Three speed fan at
  •                        120-240VAC @ 8A
  •                               277VAC @ 6A
  • and Two relay 1 heat and 1 cool
  •                       120-240VAC @ 20A
  •                              277VAC @ 16A

Model: 041042

This relay Board will operate 3 Line voltage fan speeds, and 24V Heat and Cool Valves.

Output: 24VAC, thermostat R, C, Y, W, G1, G2, G3

  • Input Voltage: 120-240VAC or 277VAC
  • Output Voltage: 24VAC
  • This relay board will control Three speed fan at
  •                        120-240VAC @ 8A
  •                               277VAC @ 6A

Model: 041100

This relay Board will operate 3 Line voltage fan speeds, 1 Line Voltage Aux-Heat and 24V Heat and Cool Valves.

Output: 24VAC, thermostat R, C, Y, W, W2, G1, G2, G3

  •        Input Voltage: 120-240VAC or 277VAC
  •        Output Voltage: 24VAC
  •         This relay board will control Three speed fan at
  •                        120-240VAC @ 8A
  •                               277VAC @ 6A
  •          and One relay Aux heat 
  •                        120-240VAC @ 20A
  •                              277VAC @ 16A

Model: 041222

This type or realy board, will allow any line voltage thermostat with 4 pipe system to operate 2 pipe fan coil with Aux-Heat.

1- Fan Coil system running cold water; Realy board will operate the thermostat to call for cool only and when thermostat calls for heat, Aux-Heat realy will activate any othe heat source.

2- Fan coil system running Heat water, realy board will operate the thermostat to call for heat only.

Call Controlled Air Systems for list of relays 215-795-2225


Controlled Air Systems Inc.
1325 Mink Rd
Perkasie, Pa  18944
Phone: 215-795-2225

Email: mailto:sales@controlledairsystem.com