4
2.2. Parts
Before installing the unit, make sure that you have all the necessary parts.
■ Accessory
1 Interface unit 1
2 Wall mounting brackets 1
3 Screws for mounting 2 3.5 × 12 4
4 Cushioning material (with adhesive) 1
5 Mounting cord clamp (small) 2
6 Mounting cord clamp (medium) 2
7 Mounting cord clamp (large) 2
8
Screws for mounting 5–7 3.5 × 12
* Use when attaching the clamps to the interface unit
2
9
Screws for mounting 5–7 4 × 10
* Use when mounting the clamps on or near the M series
1
Screws for mounting 5–7 4 × 16
10 * Use when mounting the clamps and electrical wire
mounting bracket
A Fasteners (for joining the lead wires) 5
B Wiring cord clamp 5
C Screws for mounting B 3.5 × 12 5
D Screws for mounting the interface case 3.5 × 12 2
E Lead wires (6) 1
■ Items to Prepare at the Installation Site
A
Signal wire extension cable (if necessary)
Shield wiring CVVS/CPEVS
B
Switch, relay, coin timer, etc. (if necessary)
* Please use products with supplementary insulation.
Related products sold separately
C * Prepare the necessary number of parts sold separately as needed
for your system.
3. Connecting the MA & CONTACT Terminal Interface to Indoor Unit
• Connect the interface unit and the indoor control board using the connecting cable that came with the interface.
• Extending or shortening the connecting cable that comes out of the interface may cause it to malfunction. Also, keep the
connecting cable as far as possible away from the electrical wires and ground wire. Do not bundle them together.
M series
Connect the connecting cable that comes with the
interface unit to the connector CN105 on the indoor
control board.
Indoor unit
Indoor control board
Interface unit 1
* CPEVS; PE insulated PVC jacketed shielded communication cable
* CVVS; PVC insulated PVC jacketed shielded control cable
PE: Polyethylene PVC: Polyvinyl chloride
• When this interface unit is connected with Indoor Unit, timer operation cannot be set from a wireless remote controller.
• When this interface unit is connected with Indoor Unit, i-see sensor control cannot be used. Normal cooling or heating opera-
tion is performed. (MSZ-FA Series only)
Connect the connecting cable that comes with the
interface unit to the connector CN92/CN105 on the
indoor control board.
Indoor unit
Indoor control board
Interface unit 1
P/S series
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