STIEBEL ELTRON WPE-I 04 H 230 Premium - 10 Electrical Connection; General

INSTALLATION
Electrical connection
14 | WPE-I H(K) 230 Premium www.stiebel-eltron.com
Making the push-fit connection
The connector must be in its relaxed position before the pipe is
inserted. In this position, there is a small gap between the screw
cap and main body.
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1
2
3
4
1 Retainer
2 Screw cap
3 Gap between screw cap and main body
4 Main body
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Pipe Ø 28mm
Depth of insertion A max. 44mm
!
Material losses
Pipe ends must be deburred.
 Always use a pipe cutter to trim pipes.
 Push the pipe past the O-ring into the push-fit connector
until it reaches the prescribed insertion depth.
 Finger-tighten the screw cap as far as it will go against main
body. This secures the push-fit connection.
Undoing the push-fit connection
If the push-fit connectors later need to be undone, proceed as
follows:
 Turn the screw cap anti-clockwise until there is a narrow gap
of approx. 2mm. Press the retainer back with your fingers
and hold on to it.
 Pull out the inserted pipe.
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10. Electrical connection
10.1 General
WARNING Electrocution
 Before working on the appliance, isolate it from
the power supply at the control panel.
Note
The leakage current of this appliance can be >3.5mA.
Note
In conjunction with the WPM heat pump manager, use
the HSM mixer servomotor.
Connection work must only be carried out by a qualified contractor
and in accordance with these instructions.
You must have permission to connect the appliance from the rel-
evant power supply utility (PSU).
 See chapter "Preparation/ Electrical installation".
10.2 Electrical connection
Note
 Fill the heating system before making the electrical
connection (see chapter "Installation/ Heating water
connection").
Terminals are located at the appliance control panel under the
top cover.
For all connections, use appropriate cables in accordance with
local regulations.
 Remove the cover (see chapter "Installation/ Removing the
casing parts").
 Remove the rear thermal insulation piece.
 Route the cables through the cable entry in the front thermal
insulation piece.
 Then route the electrical cables through the strain relief fit-
tings.
 Check that the strain relief fittings are working as intended.
 Route all connecting cables and sensor leads through the
entry provided in the back panel.