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Input Switch Accessory
THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED FROM
THE POWER SUPPLY DURING ANY MAINTENANCE AND WHEN FITTING THIS
The volt free Input Switch accessory board has four inputs for volt free contacts, allowing up to four
independent switched inputs to be used.
Installation
1. Access the main printed circuit board
following the electrical installation
instruction in the "Installation &
Commissioning" sections of this document.
2. Fit the three plastic stand-offs provided, into the three holes in the Input Switch PCB.
3. Fit the Input switch PCB to the main PCB in position shown.
MVHR Installation and User Guide 476930
WARNING
CONTROL MODULE.
Accessories
47
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