10 Optional functions
Indoor unit
TCGB0123 rev.2 - 10/2019
130
Output signals and output ports
Code Name Port Output
o1
Output 1 TB2 #34 (N) & 35 (L) 230 V
o2
Output 2 TB2 #34 (N) & 36 (L) 230 V
o3
Output 3 TB2 #37&38 Free voltage signal
o4
Output 4 TB2 #39&40 Free voltage signal
o5
Output 5 CN20 #1-2 12Vdc signal
o6
Output 6 CN21 #1-2 12Vdc signal
o7
Output 7 CN22 #1-2 12Vdc signal
o8
Output 8 CN23 #1-2 12Vdc signal
Output functions (To be congured from the unit controller)
Function # Output Description
0 Disabled
1 3WV SWP
In case of combine YUTAKI with swimming pool, this output is used to drive 3 way valve
swimming pools.
2 WP3
In case of combine YUTAKI with boiler or hydraulic separator, this output is used to drive
water pump 3.
3 Boiler combination In case of combine YUTAKI with boiler, this output is used to switch ON it.
4 Solar pump In case of combine YUTAKI with solar panel, this output is used to drive water pump station
5 Alarm signal Output when an “Alarm Code” is received from Indoor Unit or outdoor unit.
6 Operation signal Output in case that "Thermo-ON" signal in any condition.
7 Cooling signal Output in case that "Thermo-ON" signal in Cooling operation.
8
Demand-ON signal
circuit 1
Signal is enabled when circuit 1 is operating in Demand-ON.
9 Heating signal Output in case that "Thermo-ON" signal in Heating operation.
10 DHW signal Output in case that "Thermo-ON" signal in DHW operation.
11 Solar overheat
Output in case that solar temperature signal is active when solar overheat (only when solar
combination status is total control).
12 Defrost Output if the operation state of the outdoor unit when is defrosting.
13
DHW re-circulation
pump
In case of re-circulation pump enabled for HSW tank.
14 Heater relay 1 In case of Heater operation for YUTAKI M. Output for Relay 1.
15 Heater relay 2 In case of Heater operation for YUTAKI M. Output for Relay 2.
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