Example - Samsung MIM-E03CN Installation Manual

Air to water heat pump control kit
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Wiring works

Example

zone#1 only : cooling mode
N
L
Room thermostat
zone#1 only : heating mode
N
L
Room thermostat
• Before completing installation of Room thermostat, check the wiring method in a manual of Room thermostat
to output L line.
WARNING
Target zone
Thermostat on/off controller's output signal
Connect a thermostat on/off controller's power to B19, B20 and connect output of a thermostat on/off controller to B22.
26
zone#2 only : cooling mode
N
L
Room thermostat
zone#2 only : heating mode
N
L
Room thermostat
zone#1, zone#2 : cooling mode
N
L
Room thermostat
zone#1, zone#2 : heating mode
N
L
Room thermostat
Zone 1
Only Heat

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Troubleshooting

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