9Repair Thermo 90 S / Thermo 90 ST
902
9.2 Dismantling and assembling
9.2.1 Electrical connections (Thermo 90 S)
9.2.1.1 Disconnecting the electrical connections (plug
connector X1)
NOTE
All electrical connections are grouped together in the plug.
Before removing a component, first disconnect the
corresponding electrical connections.
In the Thermo 90 S heater with flange-mounted
combustion air fan, disconnect plug X1 on the heater and
plug connector X12 on the control unit. Reconnect them
after restoring the electrical connections.
1. Remove the upper cover cap from the heater.
2. Use the removing tool (hook part) to pull the locking
wedge out of the plug.
3. Use the removing tool (screwdriver part) to press the
corresponding locking lug, keep it pressed and pull
the cable out of the plug.
9.2.1.2 Making the electrical connections
1. Push the cable into the corresponding contact hole
until it locks.
2. Use the removing tool (screwdriver part) to insert the
locking wedge in the plug and press in until it locks.
3. Put on the upper cover cap.
Fig. 901 Electrical connections (Thermo 90 S)
Locking wedge
Locking lug
(12 pcs.)
Upper cover cap
Removing tool
Supplier for removing tool
(Order no. DT RT1)
Compagnie Deutsch GmbH
Fraunhoferstr. 11b
D-82152 Martinsried
Tel. +49 (89) 899 1570
Fax +49 (89) 857 4684
