FX-2 Marine Air Conditioning Control Board

FX-2 Control Board

Choose model variant from pull-down list:

Shipping Weight :

Part Number :



Scroll Down to Read This Product's Customer Reviews, or Write One for Us!
FX-2 Control Board - The Most Advanced Marine Cabin Control Board in the World
Manufactured by Micro-Air and is one of the most advanced cabin controls in the marine HVAC industry. It not only provides support for the latest FX-2 control displays,it supports all of the legacy FX-1 control displays as well (configured by jumpers).
  • Automatically Supports All FX-2, FX-1 Legacy Control Displays
  • Controls DX equipment, CW air handlers, with an auxiliary Electric Heater
  • Single Control Board supports Optional Combo Temp/Humidity Air Sensor, CAN Bus, and Fresh Air Make-up (FAMU) systems
This product is compatible with the below.
Control Display Part Number
FX-1 ASY-375-X22 (White) ASY-375-X21 (Black)
FX-Maxx ASY-385-X09 (White) ASY-385-X01 (Black)
FX-Maxx Designer ASY-385-X02 (White)
EasyTouch (8-Pin) ASY-389-X02, ASY-389-X02-WIFI
Display Cables
8-Conductor SUB-031- (Length in ft)
Epoxy - Water/Air SUB-056- (Length in ft)
Glass - Water SUB-052- (Length in ft)
Air Temp SUB-032- (Length in ft)

Control Board Features and Options:
  • Universal 115/230 VAC 50/60 Hz power supply
  • 2HP compressor output and 1/2 HP sea water pump output
  • Reversing valve AC output controls either valve or electric heater
  • High and low refrigerant pressure switch inputs
  • 8-pin RJ-45 Display Interface
  • Alternate (remote) air temperature sensor
  • Outside air temperature sensor
  • Service (condenser) temperature sensor for Pump Sentry
  • Built-in CAN bus support (rev K and newer)
  • Built-in support for up to 2 combo temp/humidity sensors for cabin humidity control or for FAMU operation (rev K and newer).
  • Optional daughterboards for DC blowers and EasyStart

Benefits of the FX-2 Control Board:
  • Direct expansion, Air handler, and Fresh air makeup unit capable
  • 100-240VAC compatible.
  • Optional EasyStart for low current starts.
  • Monitors sea water temperature preventing potential compressor damage
  • Humidity control capable
  • Electric heat AND reverse cycle capable.
  • Built and programmed to handle the marine environment unlike competing controls.
  • Connect wirelessly using EasyTouch
  • Supports CAN communication systems like Crestron™
  • Remotely mount the display up to 75 feet away.
  • Variable independent fan speed control.
  • Direct connection to a DC fan.

FX-2 Frequently Asked Questions
Can the FX-2 be used for new installations?
Yes, the FX-2 is designed to be used in both new and retrofit installations. It is available in a metal electrical box or circuit board only configurations.
What displays is the FX-2 compatible with?
The FX-2 control board is compatible with FX-1, FX-Maxx and EasyTouch Displays.
What applications can use the FX-2?
The FX-2 control board can be used in air handlers direct expansion or reverse cycle systems and fresh air makeup units.
Does the FX-2 board monitor humidity?
Yes when used with the EasyTouch display.
Can I use an electric heater with the FX-2?
Yes It can support up to 2 heaters depending on the application.
Can I use any cable for the display like CAT 5?
No. Please follow the recommended cable type listed in the product manual.
Where can I find the product specifications?
The product manual has all the specifications and can be found above by clicking on the "Manuals & Resources Tab"

Next Product →

Customer Reviews

Based on 1 review Write a review