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Vitocrossal 200, CM2 400, 500 and 620 Installation
Boiler
Boiler Control and Junction Box
1. Install the junction box to the rear panel either right or
left. Secure the junction box with four 4.8 mm metal
screws.
2. Route cables from control through the opening in the
control panel. Guide the cables to the junction box
through the opening in the rear panel and along the
top rail to the control. Secure all cables to the rail with
cable ties. Insert temperature probe into the sensor
well.
Note:
Never allow cables to come in contact with hot
metal
components.
3. Mount the control to the control panel.
4. Secure the control to the control panel with screws.
Note:
Screws to secure control are included in
control’s shipping box.
Legend
A
Junction box
Rear Panels
1. Install rear lower panel and secure with screws.
2. Install rear upper panel and secure with screws.
3. Install rear middle panel and secure with screws.
Note:
The gap in the middle rear panel is for inspection
of the flue gas temperature sensor.
