INSTallaTION
Electrical connection
14
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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.
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Always use a pipe cutter to trim pipes.
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Push the pipe past the O-ring into the push-fit connector
until it reaches the prescribed insertion depth.
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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:
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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.
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Pull out the inserted pipe.
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10. Electrical connection
10.1 General
WARNING Electrocution
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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).
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See chapter "Preparation / Electrical installation".
10.2 Electrical connection
Note
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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.
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Remove the cover (see chapter "Installation / Removing the
casing parts").
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Remove the rear thermal insulation piece.
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Route the cables through the cable entry in the front thermal
insulation piece.
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Then route the electrical cables through the strain relief fit-
tings.
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Check that the strain relief fittings are working as intended.
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Route all connecting cables and sensor leads through the
entry provided in the back panel.
Summary of Contents for WPE-I 04 H 230 Premium
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