Fisher PCG-06, Installation, Operation And Service Manual, Page: 27 / 66

HYDRONIC CASSETTE 27
CONTORL BOX CONFIGURAITON
a) Plug-and-play control box with full functionality PCB (please refer to wiring diagram on
page 60)
The PCB is a universal type with multiple configurations selectable using dipswitches. Please
provide dip-switch setting according to below.
There are 2 DIP Switch sets on the PCB, one with 8 Dip-switches which named as DIP-Switch A
and one with 6 Dip-switches which named as DIP-Switch B
For master-slave connection setting, please refer to Appendix I.
DIP Switch A SW1-SW6 is used for master slave address setting.
DIP switch address setting: 1 for ON, 0 for OFF.
SW7 SW8 Model setting
0 0 Cool-Heat
0
1 Cool-Heat + booster heater
1 0 Cooling only
1 1 Cool + primary heater
DIP Switch B is used for model configuration as follow:-
DIP switch setting: 1 for ON, 0 for OFF.
SW1 PR-O contact setting
0 Economy
contact
1 Window contact
SW2 System setting
0 2 pipes system
1 4 pipes system
SW3 Preheat setting
0 28C
1 36C
SW4 MTV setting [applicable to 2 pipes system only]
0
Without motorized valve
1 With motorized valve
SW5 Reserved
SW6 RS485 termination setting
0
Other than below
1 Last unit on RS485 communication bus