Upper Board Connections; Digital Input Signals - TemperZone Unit Controller 6 Operation And Installation

Temperzone Unit Controller 6 - Operation and installation- Hydronic

4. Upper board connections

The digital input port common pins DIC1 and DIC2 are internally directly
connected to the local board 0V.
4.1.

Digital input signals

When the UC6 is configured as three indoor fan speed:
DI Signal
1 Indoor fan LOW speed input
2 Indoor fan MEDIUM speed input
3 Indoor fan HIGH speed input
When the UC6 is configured as EC fan motor:
DI Signal
1 Active the indoor fan contact
2
3
DI Signal
4 Reverse cycle request
5 Compressor request
Or overload input
6 Water Float Switch
7 Remote on/off
9 Water verification
Notes
Heat
Without TZT-100:
With TZT-100:
Input Normally close. If the float switch is
activated, there may be a water leak from
the pipe. It will stop the compressor
immediately.
This input must be closed circuit to allow
the UC6 to switch compressors and fans on.
Water Flow Verification Switch when there
are water flow through the pipe switch is
closed
Page 9 of 21
Issue 1
Compressor
Overload input