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11.3.3.6
Drain Elbow and Hose Installation (Cooling model only)
Fix the drain elbow
of indoor unit, as shown in below illustration.
Use inner diameter 17 mm drain hose in the
market.
This hose must to be installed in a continuously
downward direction and in a frost-free
environment.
Guides this hose's outlet to outdoor only.
Do not insert this hose into sewage or drain pipe
that may generate ammonia gas, sulfuric gas, etc.
If necessary, use hose clamp to further tighten the
hose at drain hose connector to prevent leakage.
11.3.4 CONNECT THE CABLE TO THE INDOOR UNIT
1
Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5
2
or 2.5 mm
flexible cord, type designation 60245 IEC 57 or heavier cord.
Ensure the colour of wires of outdoor unit and the terminal no. are the same to the indoor unit's
o
respectively.
Earth wire shall be longer than the other wires as shown in the figure for the electrical safety in case of
o
the slipping out of the cord from the Holder (Clamper).
2
An isolating device must be connected to the power supply cable.
Isolating device (Disconnecting means) should have minimum 3.0 mm contact gap.
o
Connect the approved polychloroprene sheathed power supply 1 cord (3 x 1.5 or 2.5 mm
o
supply 2 cord (3 x 4.0 mm
and to the other end of the cord to isolating device (Disconnecting means).
3
To avoid the cable and cord being damaged by sharp edges, the cable and cord must be passed through a
bushing (located at the bottom of indoor unit) before being connected to the terminal block. The bushing must
be used and must not be removed.
Connecting with external device (optional)
1
All connections shall follow to the local national wiring standard.
2
It is strongly recommended to use manufacturer-recommended parts and accessories for installation.
3
Maximum output power of booster heater should be ≤ 3 kW. Booster Heater cord must be (3 x min 1.5 mm
of type designation 60245 IEC 57 or heavier.
4
Two-way Valve shall be spring and electronic type, refer to "Field Supply Accessories" table for details. Valve
cable shall be (3 x min 0.5 mm
sheathed cable.
* note: - Two-way Valve shall be CE marking compliance component.
- Maximum load for the valve is 9.8VA.
5
Three-Way Valve shall be spring and electronic type. Valve cable shall be (3 x min 0.5 mm
designation 60245 IEC 57 or heavier, or similarly double insulation sheathed cable.
* note: - Should be CE marking compliance component.
- It should be directed to heating mode when it is OFF.
- Maximum load for the valve is 9.8VA.
6
Room Thermostat cable must be (4 or 3 x min 0.5 mm
sheathed cable.
7
Tank OLP cable must be (2 x min 0.5 mm
cable.
* note: - if such connection deemed NO necessary for tank OLP, please connect jumper between terminal
no. 13 and 14.
8
Tank Sensor shall be resistance type, please refer to Graph 5.1 for the characteristic and details of sensor.
Its cable shall be (2 x min 0.3 mm
sheathed or rubber-sheathed cable.
and packing
to the bottom
2
) and type designation 60245 IEC 57 or heavier cord to the terminal board,
2
), of type designation 60245 IEC 57 or heavier, or similarly double insulation
2
), double insulation layer (with insulation strength of min 30V) of PVC-
Water will drip from this hose, therefore the outlet
of this hose must be installed in an area where the
outlet cannot become blocked.
2
), double insulation layer of PVC-sheathed or rubber-
2
), double insulation layer of PVC-sheathed or rubber-sheathed
33
2
) and power
2
),
2
), of type
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