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1-6. DRAIN PIPING FOR OUTDOOR UNIT
Please perform the drain piping work only when draining from one place.
1) Choose one hole to discharge drain and install the drain socket (1) to the hole.
2) Close the rest of the holes with the drain caps (2).
3) Connect the soft PVC hose (L) of 15 mm in the inside diameter on the market with the drain socket (1) and lead drain.
Note:
Install the unit horizontally.
Do not use the drain socket (1) and the drain caps (2) in the cold regions. Drain may freeze and it makes the fan stop.
The outdoor unit produces condensate during the heating operation. Select the installation place to ensure to prevent the outdoor unit and/or the grounds from
being wet by drain water or damaged by frozen drain water.
2. OUTDOOR UNIT INSTALLATION
2-1. CONNECTING WIRES FOR OUTDOOR UNIT
1) Remove the service panel, top panel, front panel.
2) 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) Connect the demand control transmission cable to the terminal block for DRED
Interface.
7) Fix indoor/outdoor unit connecting wire (B) and power supply cord (A) with the
cable clamps.
8) Fix the demand control transmission cable with the cable strap.
9) Close the service panel , top panel, front panel 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.
Indoor/outdoor unit
connecting wire
Terminal block
Terminal block
<INDOOR UNIT>
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
<OUTDOOR UNIT>
(MXZ-2F)
(MXZ-3F)
(MXZ-4F)
Terminal block for
power supply
Terminal block
POWER SUPPLY
~/N 230 V 50 Hz
Terminal block
~/N 220 V 60 Hz
(MXZ-2F)
(MXZ-3F)
(MXZ-4F)
Front panel
Terminal block
for DRED Interface
AS/NZS4755
terminal block
1 2 3 C
15 mm
35 mm
Lead wire
• Be sure to attach each screw to its correspondent
terminal when securing the cord and/or the wire to
1 : DRM 1
the terminal block.
2 : DRM 2
• Make earth wire a little longer than others.
3 : DRM 3
(More than 35 mm)
C : COMMON
• For future servicing, give extra length to the con-
necting wires.
CAUTION
Top panel
Service panel
Terminal block
for power supply
Cable strap
The tip should be
pointed upwards.
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