Release Input; Optional Electrical Connections; Box For The Control Pcbs - DeDietrich MCA Pro 45 Installation And Service Manual

4. Installation

4.9.11. Release input

The boiler has a release input. This input is on the RL
terminals of the connector.
CAUTION
Only suitable for potential-free contacts.
The behaviour of the input can be changed using
p 37.

See chapter: "Parameter descriptions", page 76

4.10 Optional electrical connections

4.10.1. Box for the control PCBs

The control PCBs are located in the auxilliary control
cabinet for PCBs. See the instructions provided with the
control PCB.
1. Unclip the PCB cover.
2. Remove the cover.
i
The boiler comes standard with an auxilliary
control cabinet for the optional PCBs.
MCA-Pro ISM Rv.4.1 2/2017
MCA Pro 45/65/90/115
On/off
OT BL R L Tout
1
x3
2
Tdhw
59