26
Installation and Maintenance
Service Manual
To the power supply
To unit A
connecting
cable
To unit B
connecting
To unit C
cable
connecting
cable
To unit D
connecting
cable
INDOOR UNIT A
INDOOR UNIT B
white
(blue)
white
(blue)
black
(brown)
red
(brown)
/
/
POWER
/
/
(yellow-
green)
green
(yellow-
green)
green
black
white
(blue)
red
(brown)
(yellow-
green)
green
black
INDOOR UNIT C
white
(blue)
red
(brown)
(yellow-
green)
green
black
C
INDOOR UNIT D
white
(blue)
red
(brown)
(yellow-
green)
green
black
D
B
A
Power cord
L1 L2
To the power supply
To unit A
connecting
To unit B
cable
connecting
To unit C
cable
connecting
To unit D
cable
connecting
cable
To unit E
connecting
cable
INDOOR UNIT A
INDOOR UNIT B
white
(blue)
white
(blue)
black
(brown)
red
(brown)
/
/
POWER
/
/
(yellow-
green)
green
(yellow-
green)
green
black
white
(blue)
red
(brown)
(yellow-
green)
green
black
INDOOR UNIT C
white
(blue)
red
(brown)
(yellow-
green)
green
black
C
INDOOR UNIT D
white
(blue)
red
(brown)
(yellow-
green)
green
black
D
INDOOR UNIT E
white
(blue)
red
(brown)
(yellow-
green)
green
black
E
B
A
Power cord
L1 L2
MULTIU36HP230V1DO
MULTIU42HP230V1DO
INSTALLING THE OUTDOOR UNIT
Location
Use bolts to secure the unit to a flat, solid floor.When
mounting the unit on a wall or the roof, make sure the support
is firmly secured so that it cannot move in the event of intense
vibrations or a strong
wind.
● Do not install the outdoor unit in pits or air vents
Installing the pipes
Use suitable connecting pipes and equipment for the
refrigerant R410A.
Models(
ft
)
18Kx2
24Kx2 24Kx3 36Kx2
36Kx3
Max. connection
pipe length
164
164 230 164
230
Max. connection
pipe length
(Simple one indoor
unit)
82
82
82
82
Models
(ft
)
36Kx4
42Kx2 42Kx3 42Kx4
42Kx5
pipe length
Max. connection
246
164 246 263 263
Max. connection
(Simple one indoor
unit)
pipe length
82
82
82
82
82
The refrigerant pipes must not exceed the maximum
heights
33 ft.(
18x2&24x2&24x3
)
&
49
ft(
36x2&36x3&36x4&42x2
&42x3&42x4&42x5)
Wrap all t he refrigerant pipes and joints.
Tighten the connections using two wrenches working in
opposite directions.
Caution: Installation Must be Performed in Accordance
with the NEC/CEC by Authorized Personnel Only.
Install the drain fitting and the drain hose(for model with
heat pump only)
Condensation is produced and flows from the outdoor
unit when the appliance is operating in the heating mode.
In order not to disturb neighbours and to respect the
environment,install a drain fitting and a drain hose to channel
the condensate water.Install the drain fitting and rubber
washer on the outdoor unit chassis and connect a drain hose
to it as shown in the figure.
Safety Precautions
Please read this manual carefully before using and operating correctly as instructed in this manual.
Please especially take notice of the following two symbols:
Warning! It indicates improper operation which will lead to human casualty or severe injury.
Caution! It indicates improper operation which will lead to injury or property damage.
Warning!
ƹ
The installation should be committed to the appointed service center; otherwise it will cause water
ƹ
Please install the unit
in a place
where is strong enough to withstand the weight of the unit; otherwise,
the unit would fall down and cause injury or death.
ƹ
The drain pipe should be installed as instructed in the manual to guarantee the proper drainage;
meanwhile it should be insulated to prevent condensing; otherwise the improper installation would cause water
leakage and then wet the household wares in the room.
ƹ
ƹ
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
ƹ
ƹ
ƹ
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
ƹ
or relocation of the unit.
ƹ
Non-professional personnel are prohibited to dismantle the electric box owing to the high voltage of the
outdoor unit.
An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be
Caution!
ƹ
nameplate and also check its security.
ƹ
Before using the unit, please check if the piping and wiring are correct to avoid water leakage,
ƹ
The main power supply must be earthed to avoid the hazard of electric shock and never connect this
earth wire to the gas pipe, running water pipe, lightening rod or phone cable’s earth lead.
ƹ
ƹ
Do not allow children operate this unit.
ƹ
Do not operate this unit with wet hands.
ƹ
ƹ
When the unit is not to be used for a long time, please cut off the main power supply of the unit.
ƹ
Do not expose the unit to the moist or corrosive circumstances.
ƹ
Never step on the unit or place any object on it.
ƹ
It is suggested to have a power-on test annually.
Safety Precautions
Please read this manual carefully before using and operating correctly as instructed in this manual.
Please especially take notice of the following two symbols:
Warning! It indicates improper operation which will lead to human casualty or severe injury.
Caution! It indicates improper operation which will lead to injury or property damage.
Warning!
ƹ
The installation should be committed to the appointed service center; otherwise it will cause water
ƹ
Please install the unit
in a place
where is strong enough to withstand the weight of the unit; otherwise,
the unit would fall down and cause injury or death.
ƹ
The drain pipe should be installed as instructed in the manual to guarantee the proper drainage;
meanwhile it should be insulated to prevent condensing; otherwise the improper installation would cause water
leakage and then wet the household wares in the room.
ƹ
ƹ
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
ƹ
ƹ
ƹ
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
ƹ
or relocation of the unit.
ƹ
Non-professional personnel are prohibited to dismantle the electric box owing to the high voltage of the
outdoor unit.
An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be
Caution!
ƹ
nameplate and also check its security.
ƹ
Before using the unit, please check if the piping and wiring are correct to avoid water leakage,
ƹ
The main power supply must be earthed to avoid the hazard of electric shock and never connect this
earth wire to the gas pipe, running water pipe, lightening rod or phone cable’s earth lead.
ƹ
ƹ
Do not allow children operate this unit.
ƹ
Do not operate this unit with wet hands.
ƹ
ƹ
When the unit is not to be used for a long time, please cut off the main power supply of the unit.
ƹ
Do not expose the unit to the moist or corrosive circumstances.
ƹ
Never step on the unit or place any object on it.
ƹ
It is suggested to have a power-on test annually.
Safety Precautions
Please read this manual carefully before using and operating correctly as instructed in this manual.
Please especially take notice of the following two symbols:
Warning! It indicates improper operation which will lead to human casualty or severe injury.
Caution! It indicates improper operation which will lead to injury or property damage.
Warning!
ƹ
The installation should be committed to the appointed service center; otherwise it will cause water
ƹ
Please install the unit
in a place
where is strong enough to withstand the weight of the unit; otherwise,
the unit would fall down and cause injury or death.
ƹ
The drain pipe should be installed as instructed in the manual to guarantee the proper drainage;
meanwhile it should be insulated to prevent condensing; otherwise the improper installation would cause water
leakage and then wet the household wares in the room.
ƹ
ƹ
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
ƹ
ƹ
ƹ
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
ƹ
or relocation of the unit.
ƹ
Non-professional personnel are prohibited to dismantle the electric box owing to the high voltage of the
outdoor unit.
An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be
Caution!
ƹ
nameplate and also check its security.
ƹ
Before using the unit, please check if the piping and wiring are correct to avoid water leakage,
ƹ
The main power supply must be earthed to avoid the hazard of electric shock and never connect this
earth wire to the gas pipe, running water pipe, lightening rod or phone cable’s earth lead.
ƹ
ƹ
Do not allow children operate this unit.
ƹ
Do not operate this unit with wet hands.
ƹ
ƹ
When the unit is not to be used for a long time, please cut off the main power supply of the unit.
ƹ
Do not expose the unit to the moist or corrosive circumstances.
ƹ
Never step on the unit or place any object on it.
ƹ
It is suggested to have a power-on test annually.
Safety Precautions
Please read this manual carefully before using and operating correctly as instructed in this manual.
Please especially take notice of the following two symbols:
Warning! It indicates improper operation which will lead to human casualty or severe injury.
Caution! It indicates improper operation which will lead to injury or property damage.
Warning!
ƹ
The installation should be committed to the appointed service center; otherwise it will cause water
ƹ
Please install the unit
in a place
where is strong enough to withstand the weight of the unit; otherwise,
the unit would fall down and cause injury or death.
ƹ
The drain pipe should be installed as instructed in the manual to guarantee the proper drainage;
meanwhile it should be insulated to prevent condensing; otherwise the improper installation would cause water
leakage and then wet the household wares in the room.
ƹ
ƹ
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
ƹ
ƹ
ƹ
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
ƹ
or relocation of the unit.
ƹ
Non-professional personnel are prohibited to dismantle the electric box owing to the high voltage of the
outdoor unit.
An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be
Caution!
ƹ
nameplate and also check its security.
ƹ
Before using the unit, please check if the piping and wiring are correct to avoid water leakage,
ƹ
The main power supply must be earthed to avoid the hazard of electric shock and never connect this
earth wire to the gas pipe, running water pipe, lightening rod or phone cable’s earth lead.
ƹ
ƹ
Do not allow children operate this unit.
ƹ
Do not operate this unit with wet hands.
ƹ
ƹ
When the unit is not to be used for a long time, please cut off the main power supply of the unit.
ƹ
Do not expose the unit to the moist or corrosive circumstances.
ƹ
Never step on the unit or place any object on it.
ƹ
It is suggested to have a power-on test annually.
Safety Precautions
Please read this manual carefully before using and operating correctly as instructed in this manual.
Please especially take notice of the following two symbols:
Warning! It indicates improper operation which will lead to human casualty or severe injury.
Caution! It indicates improper operation which will lead to injury or property damage.
Warning!
ƹ
The installation should be committed to the appointed service center; otherwise it will cause water
ƹ
Please install the unit
in a place
where is strong enough to withstand the weight of the unit; otherwise,
the unit would fall down and cause injury or death.
ƹ
The drain pipe should be installed as instructed in the manual to guarantee the proper drainage;
meanwhile it should be insulated to prevent condensing; otherwise the improper installation would cause water
leakage and then wet the household wares in the room.
ƹ
ƹ
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
ƹ
ƹ
ƹ
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
ƹ
or relocation of the unit.
ƹ
Non-professional personnel are prohibited to dismantle the electric box owing to the high voltage of the
outdoor unit.
An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be
Caution!
ƹ
nameplate and also check its security.
ƹ
Before using the unit, please check if the piping and wiring are correct to avoid water leakage,
ƹ
The main power supply must be earthed to avoid the hazard of electric shock and never connect this
earth wire to the gas pipe, running water pipe, lightening rod or phone cable’s earth lead.
ƹ
ƹ
Do not allow children operate this unit.
ƹ
Do not operate this unit with wet hands.
ƹ
ƹ
When the unit is not to be used for a long time, please cut off the main power supply of the unit.
ƹ
Do not expose the unit to the moist or corrosive circumstances.
ƹ
Never step on the unit or place any object on it.
ƹ
It is suggested to have a power-on test annually.
Safety Precautions
Please read this manual carefully before using and operating correctly as instructed in this manual.
Please especially take notice of the following two symbols:
Warning! It indicates improper operation which will lead to human casualty or severe injury.
Caution! It indicates improper operation which will lead to injury or property damage.
Warning!
ƹ
The installation should be committed to the appointed service center; otherwise it will cause water
ƹ
Please install the unit
in a place
where is strong enough to withstand the weight of the unit; otherwise,
the unit would fall down and cause injury or death.
ƹ
The drain pipe should be installed as instructed in the manual to guarantee the proper drainage;
meanwhile it should be insulated to prevent condensing; otherwise the improper installation would cause water
leakage and then wet the household wares in the room.
ƹ
ƹ
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
ƹ
ƹ
ƹ
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
ƹ
or relocation of the unit.
ƹ
Non-professional personnel are prohibited to dismantle the electric box owing to the high voltage of the
outdoor unit.
An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be
Caution!
ƹ
nameplate and also check its security.
ƹ
Before using the unit, please check if the piping and wiring are correct to avoid water leakage,
ƹ
The main power supply must be earthed to avoid the hazard of electric shock and never connect this
earth wire to the gas pipe, running water pipe, lightening rod or phone cable’s earth lead.
ƹ
ƹ
Do not allow children operate this unit.
ƹ
Do not operate this unit with wet hands.
ƹ
ƹ
When the unit is not to be used for a long time, please cut off the main power supply of the unit.
ƹ
Do not expose the unit to the moist or corrosive circumstances.
ƹ
Never step on the unit or place any object on it.
ƹ
It is suggested to have a power-on test annually.
82
