Table of Contents
Advertisement
iNSTallaTiON
Electrical connection
12.1 Electric emergency/booster heater and control
voltage
appliance
Effect of the electric emergency/booster
function
heater
Mono energetic
If the dual mode point is undershot, the electric emergen-
operation
cy/booster heater safeguards both the heating operation
and the provision of high DHW temperatures.
Emergency mode
Should the heat pump suffer a fault that prevents its con-
tinued operation, the heating output will be covered by
the electric emergency/booster heater.
HSBB 180: Electrical connection three-phase
XD02
Electric emergency/booster heater (DHC)
Connected load
2.9 kW
5.9 kW
8.8 kW
f Connect the electrical emergency/booster heater with the
f
desired rating as detailed in the table.
HSBB 180 S: Electrical connection single phase
12
| HSBB 180 Plus (GB)|HSBB 180 S Plus (GB)
Terminal assignment
PE
N
L1
PE
N
L2
L1
PE
N
L3
L2
L1
XD02
Electric emergency/booster heater (DHC)
Connected
Cable
load
cross-sec-
tion
2.9 kW
2.5 mm²
5.9 kW
2.5 mm²
2.5 mm²
f Connect the electrical emergency/booster heater cables to
f
deliver the required rating as detailed in the table.
Control voltage
Material losses
!
f Only connect energy efficient circulation pumps ap-
f
proved by us to the pump connections.
XD01.2
Heat pump enable signal
EVU
Enable signal, bus cable to the WPM screened with
strain relief in terminal.
Heat pump manager terminal assignment
WARNING Electrocution
Only components that operate with safety extra low
voltage (SELV) and that ensure secure separation from
the mains voltage supply may be connected to the low
voltage terminals of the appliance.
Connecting other components can make parts of the ap-
pliance and connected components live.
f Only use components which have been approved by
f
us.
Terminal assignment
PE
N
L
PE
N
L
PE
N
L
www.stiebel-eltron.com
Advertisement
Table of Contents
