DC Inverter U-match Series Duct Type Unit
7
Note:
① .
The fuse is located on the main board.
② .
Install the disconnect device with a contact gap of at least 3mm in all poles nearby the units
(Both indoor unit and outdoor unit).The appliance must be positioned so that the plug is
accessible.
③ .
The specications of the breaker and power cable listed in the table above are determined
based on the maximum power (maximum amps) of the unit.
④ .
The specifications of the power cable listed in the table above are applied to the conduit-
guarded multi-wire copper cable (like, YJV copper cable, consisting of PE insulated wires and
a PVC cable jacket) used at 40°С and resistible to 90°С(see IEC 60364-5-52). If the working
condition changes, they should be modied according to the related national standard.
⑤ .
The specifications of the breaker listed in the table above are applied to the breaker with
the working temperature at 40°С. If the working condition changes, they should be modied
according to the related national standard.
⑥ .
Take 2 pieces of power cord of 0.75mm
2
as the communication lines between indoor and
outdoor unit, with their longest lengths of 50m. Please select the appropriate line length as per
the actual installation conditions. The communication lines can not be twisted together. For
the unit (≤30K), it’s recommended to use 8m long communication line.
⑦ .
Take 2 pieces of power cord of 0.75mm
2
as the communication lines between the wired
controller and the indoor unit, with their longest lengths of 30m. Please select the appropriate
line length as per the actual installation conditions. The communication lines can not be twisted
together. It’s recommended to use 8m long communication line.
⑧ .
The wire size of the communication line should be no less than 0.75mm
2
. It’s recommended to
take 0.75mm
2
power cords as the communication line.
4 Installation of the Unit
4.1 Installation of the Indoor Unit
4.1.1 Indoor unit dimension
WARNING!
① .
Install the indoor unit in a location which can withstand a load of at least ve times the weight
of the main unit and which will not amplify sound or vibration.
② .
If the installation location is not strong enough, the indoor unit may fall and cause injuries.
③ .
If the job is done with the panel frame only, there is a risk that the unit will come loose. Please
take care.
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