ENGLISH
Smart tariff (input 5)
This function can be used to block or limit the heat pump. It allows an external Smart switch device to switch off or limit the heat
pump during a period of peak electricity demand. Terminals 16 and 19 of the TB2.
T
T
Common
Line
Smart F.
Input 5
16 19
DHW boost (input 6)
This function allows a request for a one-time heating up of the domestic hot water temperature. The input can be sent by a push
button, a NC contact and a NO contact. This input is switched on terminals 16 and 20 of the TB2.
Common
Line
DHW Boost
input 6
16 20
Power Meter (input 7)
This function is used to limit the heat pump which is controlled by an external power meter device. The calculation method is done
by measuring real consumption of the whole installation with one power meter device or 2 separate power meter (one for indoor unit
and another one for outdoor unit.
Common
Line
Power M.
input 7
16 21
Aquastat for Circuit 1 and circuit 2 (for WP and WP2)
Aquastat is a security accessory to control the water temperature of circuit 1 and circuit 2 usually enabled for the control of the
temperature of the radiant oor.
Only for UK market, terminals 22 and 23 are for the connection of the limit thermostat.
22 23
C
Second Aquastat
1
Circuit 1 (for WP)
28 29
C
Second Aquastat
1
Circuit 2 (for WP2)
ELECTRICAL AND CONTROL SETTINGS
PMML0335A rev.1 - 04/2016
107
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