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3.2.3 SYSTEM CONTROL BOARD A1
• Mounted in the heat pump, it controls the heat pump and its electric heater.
• It is connected to the system remote control by the communication line (BUS).
Note: please refer to specific system control service manual for system operation details.
Software versions for units in “FA” version:
Version A1 Board
code
Date Modification System remote control box – Elec support heater solution
Version Code Date
V3.01 2220126 Dec. 2010
V3.01 2220125 Dec. 2010
V3.02 2220125-02 Mar. 2013
Software versions for units in “FB” version:
Version A1 Board
code
Date Modification System remote control box – Elec support heater solution
Version Code Date
V4.01 2220171 Jul. 2012 First issue
V4.01 2220170 Jul. 2012
V4.02 2220170 Nov.2012
V4.03 2220170-02 Mar.2013
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