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'15 • HM-T-246
Schematic
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Set value Function Set value Function Set value Function
Operation signal is also output
0 Operation output 5
10
1 E rror output 6 11
2 Compressor On output 7 Defrost operation output 12
Fan On output Output of operation to top
Dry-up water output Output of operation to keep warm
Commissioning
Check the normal operation by conducting a test run after installation of the external output harness.
CO
2
water heater PCB
Red
Black
Red
Black
CnH
CnY
CnZ1
CnZ2
Blue
White
Red
Black
Red
Black
Red
Black
4 point unit relay
(More than 750coil resistance)
External output
Operation output : CnH (BLUE)
Error output : CnY (WHITE)
7-segment setting output :
CnZ1 (RED)
Cnz2 (BLACK)
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