10 Optional functions
Indoor unit
TCGB0123 rev.2 - 10/2019
129
10
Input functions (To be congured from the unit controller)
Function # Input Description
0 Disabled -
1 Demand ON/OFF Send Demand ON or OFF Operation to Circuit 1 and Circuit 2
2
Smart Act./SG Ready
Input 1
This function must be used to block or limit the heat pump when restricted by Electric
company. It allows an external Smart switch device to switch off or reduce consumption of the
heat pump during time of peak electricity demand.
In case of use of Smart Grid Ready application, this input is used as a digital input 2 and
allows four different operating modes
3 Swimming pool
When YUTAKI M is used to warm th swimming pool water, this input is used as a feedback for
swimming pool water pump.
4 Solar
In case of combine YUTAKI with solar panels, this input is used as a feedback for solar station
ready operation.
5 Operation mode
Cool/Heat must be changed by an input of an external contact signal. Contact signal is edge
detection; Cool/Heat changeover by unit controller is also available
6 DHW boost
With this function enabled, it is possible to request a heating up of the DHW when user
requires an instantaneous delivery of DHW.
7 Power meter 1 Input used as kW/h pulse count for Energy data recording
8 Demand ON/OFF C1 Send Demand ON or OFF Operation only to Circuit 1
9 Demand ON/OFF C2 Send Demand ON or OFF Operation only to Circuit 2
10 Forced heating Forced Heating Demand by input of contact signal from outside
11 Forced cooling Forced Cooling Demand by input of contact signal from outside
12 Power meter 2 Input used as kW/h pulse count for Energy data recording
13 ECO mode C1 & C2
Water temperature setting for Circuit 1 and Circuit 2 it is reduced by ECO operation mode
(Default 3ºC) by input of contact signal from outside
14 ECO mode C1
Water temperature setting for Circuit 1 it is reduced by ECO operation mode (Default 3ºC) by
input of contact signal from outside
15 ECO mode C2
Water temperature setting for Circuit 2 it is reduced by ECO operation mode (Default 3ºC) by
input of contact signal from outside
16 Force OFF
Force OFF operation for unit. RCS will continue as normally set but will show indication that
operation is forbidden
17 SG Ready Input 2
In case of want to use Smart Grid Ready application, this input is used as a digital input 2 and
allow four different operating modes
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