Outdoor Unit Installation - Mitsubishi Electric MXZ-4F80VGD Installation Manual

2. OUTDOOR UNIT INSTALLATION
2-1. INSTALLING THE UNIT
• Be sure to fix the unit's legs with bolts when installing it.
• Be sure to install the unit firmly to ensure that it does not fall by an earthquake or a gust.
• Refer to the figure in the right for concrete foundation.
• Do not use the drain socket and the drain caps in the cold region.
Drain may freeze and it makes the fan stop.
• Remove the tape on the panel when opening the package. (DO NOT remove the LABELS on the panel.)
Make the setting
depth deeper.
2-2. CONNECTING WIRES FOR OUTDOOR UNIT
1) Remove the service panel and the cable cover.
2) Pass the indoor/outdoor unit connecting wire (B) and power supply cord
(A) through the grommet. Loosen terminal screw, and connect indoor/
outdoor unit connecting wire (B) from the indoor unit correctly on the
terminal block. Be careful not to make mis-wiring. Fix the wire to the
terminal block securely so that no part of its core is appeared, and no
external force is conveyed to the connecting section of the terminal block.
3) Firmly tighten the terminal screws to prevent them from loosening. After
tightening, pull the wires lightly to confirm that they do not move.
4) Perform 2) and 3) for each indoor unit.
5) Connect power supply cord (A).
6) Fix indoor/outdoor unit connecting wire (B) and power supply cord (A)
with the cable clamps. Route the cables or wires so as not to deform the
service panel. Otherwise, rainwater may enter the outdoor unit.
7) Close the service panel and the cable cover securely. Make sure that
3-2. PIPE CONNECTION is completed.
• After making connections between both power supply cord (A) and
indoor/outdoor unit connecting wire (B), be sure to fix both cable and
wire with cable clamps.
Connecting order
• Connect the terminal block in following order.
Terminal block for DRED interface
Power supply
DR
Terminal block for
indoor/outdoor unit
Indoor/outdoor unit
connecting wire
Terminal block
Terminal block
This unit has demand response capability which is compliant with AS/NZS 4755.3.1. To activate this function, you need to make a contract with remote
agents such as electric supply company, then this unit should be connected to Demand response enabling devise (DRED). For further information,
consult your dealer. This unit supports 3 Demand Response Modes (DRMs): DRM1, DRM2 and DRM3.
• To prevent malfunction caused by noise, route the cord connecting this unit to DRED and the
power supply cord as parallel as possible.
• Do not connect the demand control transmission cable to the terminal block for power supply.
• Do not pull, extremely bend or apply strong pressure on the wire to prevent failure.
• Do not screw DRED to outdoor unit.
• Do not put DRED in outdoor unit.
• Secure electrical wiring above clamp.
• Do not get DRED wire caught in the service panel.
7
Fix here with
M10 bolts.
Make width wider.
MXZ-5F100VGD
MXZ-4F80VGD
DR
<OUTDOOR UNIT>
Terminal block for
power supply
Terminal block
POWER SUPPLY
~/N 220 V 60 Hz
Terminal block
~/N 230 V 50 Hz
<INDOOR UNIT>
CAUTION
Anchor leg
Anchor bolt length
Service panel
Screws
A → B → C → D → E → P → DR
A → B → C → D → P → DR
DR DR
AS/NZS4755
terminal block
1 2 3 C
1 : DRM 1
2 : DRM 2
3 : DRM 3
C : COMMON
• Be sure to attach each screw to its correspondent
• Make earth wire a little longer than others. (More than
• For future servicing, give extra length to the connect-
600
Anchor bolt pitch
(Unit: mm)
Terminal block
for power supply
Cable clamp
5F100VGD
Wire-to-wire connector
15 mm
35 mm
Lead wire
INDOOR /
Model
OUTDOOR UNIT
A – E
MXZ-5F100VGD
A – D
MXZ-4F80VGD
terminal when securing the cord and/or the wire to
the terminal block.
35 mm)
ing wires.
Cable
cover