Mitsubishi Heavy Industries SRK20ZG-S Tech Manual page 61

Interface installation
Install the interface so that the connection cable can reach the indoor unit
(approximately 1.3 m).
If the connection cable is extended, operation will be faulty, so do not
extend the cable.
Fasten the unit to a wall, pillar or similar location.
If the unit is mounted directly to a wall
1Mount the lower case of the interface
unit to a flat surface using the wood
screws supplied with the unit.
2Mount the upper case.
Recessing the unit in a wall
1 Recess the electrical box (procured locally) and
each connection cable inside the wall.
2 Fasten the lower case of the interface unit to the
electrical box using screws (M4 screws,
procured locally).
3 Mount the upper case to the lower case.
Mounting with the mounting bracket
1Mount the interface unit's upper case.
2Mount the mounting bracket to the
interface unit using the tapping screws
supplied with the unit.
3Mount the mounting bracket to a wall
surface, etc. using the wood screws
provided.
Use a side cutter or similar tool to open the
thin knockouts in the case for running wires.
2 Mount the upper case
1 Recess the electrical box and
connection cables
Connection cable
Electrical box
3 Mount the upper case
(procured locally)
2 Mount the mounting bracket
on the interface unit.
( 3 tapping screws)
58
- -
Wiring inlet
Wiring inlet
1 Fasten it to a wall or pillar
( 2 wood screws)
2 Fasten it to the electrical box.
2 M4 screws
(procured locally)
3 Mount the bracket on a wall or pillar
( 2 wood screws)