Heiko Thermal 12, User Manual

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Terminal block 1-D
Terminal block 2-F
City power supply
PE N3 L13 L23 L33 L1 L2 L3 N3 PE
HBH Power Input
HBH Power Output
D :
2
1.5mm
E :
Power supply for HBH-Heating Back-up Heater
(Power Cord: H05VV-F 5 × ,
city power input)
When the house heating system also has a electric heater as a back-up, then this heater can also be
connected to heat pump unit and under heat pump
' s control.
In that way, city power input (1 phase or 3 phase) should be connected to this port “Reserved Electrical
Heater Power Supply 5
× ”, and then heater should be connected to port E on terminal block 2.
PS: If external heating source (on house heating circuit or hot water circuit) is not electric heater but other
heating sources, we can also connect it to the heat pump like this if they can be controlled by electric signal
,
to have them under the control of heat pump .
Monoblock unit power supply
(Power Cord: H05VV-F 3 × ,
output)
Monoblock unit power cable should be connected with these terminals so to get power from indoor control
unit.
2
1.5mm
2
2.5mm
3. Installation
Terminal block 1-C
Terminal block 2-E
City power supply
PE N2 L12 L22 L32 L1 L2 L3 N2 PE
HWTBH Power Input HWTBH Power Output
And then connect electric heater inside sanitary hot water tank to port D on
terminal block 2.
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