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Installation instruction
In installation, please check specially the below items:
• If the connected units quantity and the total capacity is in the allowable range?
• If the refrigerant pipe length is in the limited range?
• If the pipe size is proper? And if the pipe is installed horizontally?
• If the branch pipe is installed horinzontally or vertically?
• If the additional refrigerant is counted correctly and weighed by the standard balance?
• If there is refrigerant leakage?
• If all the indoor power supplies can be on/off simultaneously?
• If the power voltage is in compliance with the data marked on the rating label?
• If the address of indoors has been set?
(1) Before installation
1) Before installation, check if the model, power supply, pipe, wires and parts purchased respectively are correct.
2) Check if the indoors and outdoors can be combined as the following.
Outdoor
Model
AU042FNERA
AU052FNERA
Notice:
• Total capacities of indoor units being used ≤ 100% of rated capacities
of outdoor unit.
• The maximum number and total capacity of indoor units are shown in
the table above.If the total capacity of the indoor units is greater than
the rated capacity of the outdoor unit, the actual cooling or heating
effect of each indoor units may not reach its rated capacity.
(2) Installation place selection
Air-conditioner can't be installed
in the place with inflammable
gas. Or it will cause fire hazard.
The unit should be installed at
the place where the cold/hot
air or noise will not interfere the
neighbours.
Combination
Indoor qty
type
Single
7
Single
8
The unit should be installed at the
place with good ventilation. No
obstacle at the air inlet/outlet. And no
strong wind blows the unit.
The installation space refers to the
latter info.
• The place where the water can flow
fluently.
• The place where no other heat
source will affect the unit.
• Pay attention to the snow against
clogging the outdoor.
• In installation, install the anti-
vibration rubber between the unit
and the bracket.
Indoor
Total indoor capacity
(100W)
61-157
70-182
4
indoor
capacity
(100W)
total indoor
22
capacity
(100W)
28
36
40
less than 335
45
56
71
The unit should be installed at the strong
enough place. Or it will cause vibration and
noise.
• The unit is better not be installed at the
below places, or it will cause damage.
• The place where there is corrosive gas
(spa area etc).
• The place blowing salty air (seaside etc).
• Exsits the strong coal smoke.
• The place with high humidity.
• The place where there is device emitting
Hertzian waves.
• The place where voltage changes greatly.
branch pipe
(optional)
FQG-B335A
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