Table of Contents
Advertisement
4. Installation
4.9.3. Standard PCB control
Various thermostats and controllers can be connected
to the standard control PCB (PCU) (X12 connector
block). Refer to 4.10.3, page 61
Access to the connector block:
1. Unscrew the two screws located under the front
panel by a quarter turn and remove the panel.
2. Guide the cables from the controller or thermostat
through the round grommet(s) on the right in the
boiler bottom plate.
3. Tilt the control box forwards by opening the holding
clips located at the sides.
4. Open the control panel cabinet by opening the clip
fastener on the front side.
5. Run the connection cable(s) through the
grommet(s) in the control panel cabinet.
6. Unscrew the necessary cable clamps (to access the
connector block) and introduce the cables.
7. Connect the cables to the appropriate terminals on
the connector block.
8. Firmly retighten the cable clamps and close the
control panel cabinet.
52
MCA Pro 45/65/90/115
MCA-Pro ISM Rv.4.1 2/2017
Advertisement
Table of Contents
