mundoclima MUPR-H14X Manuel D'installation page 86

WARNING
BEFORE PERFORMING ANY ELECTRICAL
OR WIRING WORK, TURN OFF THE
MAIN POWER TO THE SYSTEM.
Step 6: Connect signal cable
The signal cable enables communication between
the indoor and outdoor units. You must first
choose the right cable size before preparing it for
connection.
Cable Types
Signal Cable: H07RN-F
•
Model
MUPR-09-H14X
MUPR-12-H14X
MUPR-18-H14X
MUPR-24-H14X
Indoor unit terminals
W
1(L)
2(N)
to Outdoor Unit
CHOOSE THE RIGHT CABLE SIZE
The size of the power supply cable, signal
cable, fuse, and switch needed is determined
by the maximum current of the unit. The
maximum current is indicated on the nameplate
located on the side panel of the unit. Refer to
this nameplate to choose the right cable, fuse,
or switch.
1. Open and fix the position of the panel,
then, open the covers of the two lock
blocks, unscrew the screw showed in
the picture below, then hold both sides
of the lower panel in the place marked
"PULL", pull it upwards to release the
buckles, then take the lower panel down.
2. Open the wire box cover to connect the cable.
Signal Cable (mm²)
4 x 1.5 + T
4 x 1.5 + T
4 x 1.5 + T
4 x 2.5 + T
S
First open the front panel, then remove
the lower panel.
WARNING
ALL WIRING MUST BE PERFORMED
STRICTLY IN ACCORDANCE WITH THE
WIRING DIAGRAM LOCATED ON THE
BACK OF THE INDOOR UNIT S FRONT
PANEL .
Unscrew the cable clamp below the terminal
3.
block and place it to the side.
Facing the back of the unit, remove the plastic
4.
panel on the bottom left-hand side.
5. Feed the signal wire through this slot, from
the back of the unit to the front.
6. Facing the front of the unit, connect the wire
according to the indoor unit's wiring diagram,
connect the u-lug and firmly screw each wire
to its corresponding terminal.
CAUTION
DO NOT MIX UP LIVE AND NULL WIRES
This is dangerous, and can cause the air
conditioning unit to malfunction.
After checking to make sure every connection
7.
is secure, use the cable clamp to fasten the
signal cable to the unit. Screw the cable clamp
down tightly.
Replace the wire cover on the front of the
8.
unit, and the plastic panel on the back.
86
open the
Wire cover
Terminal
block
Cable
clamp
'