Installation and Maintenance
SERVICE MANUAL
ELECTRICAL CONNECTIONS
1. Remove the handle at the right side plate of the outdoor unit (one
screw).
2. Remove the cable clamp, connect the power connection cable
with the terminal at the row of connection and fix the connection.
terminal of line bank.Wiring should meet that of indoor unit.
3. Fix power connection wire by wire clamp.
5. Install the handle.
Including an air switch with suitable capacity,please note the
following table. Air switch should be included magnet buckle and
heating buckle function, it can protect the circuit-short and overload.
(Caution: please do not use the fuse only for protect the circuit)
Air-conditioner
Air switch capacity
VOM0733H7RE603
40A
An all-pole disconnection switch having a contact separation of
Wrong wire connection may cause malfunction of some
electric components.After fixing cable, ensure that leads between
The connection pipes and the connectiong wirings of the unit A
and unit B must be corresponding to each other respective.
The appliance shall be installed in accordance with national
wiring regulations.
diagram of the appliance and may not correspond to the
appearance of the units that have been purchased.
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!
The installation should be committed to the appointed service center; otherwise it will cause water
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.
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.
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
or relocation of the unit.
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!
nameplate and also check its security.
Before using the unit, please check if the piping and wiring are correct to avoid water leakage,
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.
Do not allow children operate this unit.
Do not operate this unit with wet hands.
When the unit is not to be used for a long time, please cut off the main power supply of the unit.
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!
The installation should be committed to the appointed service center; otherwise it will cause water
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.
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.
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
or relocation of the unit.
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!
nameplate and also check its security.
Before using the unit, please check if the piping and wiring are correct to avoid water leakage,
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!
The installation should be committed to the appointed service center; otherwise it will cause water
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.
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.
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
or relocation of the unit.
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!
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!
The installation should be committed to the appointed service center; otherwise it will cause water
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.
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.
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
or relocation of the unit.
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
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!
The installation should be committed to the appointed service center; otherwise it will cause water
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.
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.
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
or relocation of the unit.
Non-professional personnel are prohibited to dismantle the electric box owing to the high voltage of the
outdoor unit.
VOM0522H7RE602
To the power supply
To unit B
Power cord
To unit A
connecting
cable
L1
L2
Power cord
L1 L2
To the power supply
To unit A
VOM0733H7RE603
connecting
connecting
VOM0522H7RE602
35A
cable
cable
To unit B
connecting
To unit C
cable
connecting
cable
INDOOR UNIT A
INDOOR UNIT B
white
(blue)
white
(blue)
black
(brown)
red
(brown)
POWER
(yellow-
green)
green
(yellow-
green)
green
e t i h w
k c a l b
(blue)
red
(brown) (yellow-
green)
green
black
INDOOR UNIT A
INDOOR UNIT B
white
(blue)
white
(blue)
black
(brown)
red
(brown)
POWER
(yellow-
green)
green
(yellow-
green)
green
blac
w
k
hite
(blue)
red
(brown)
(yellow-
green)
green
black
INDOOR UNIT C
white
(blue)
red
(brown)
(yellow-
green)
green
black
A
B
C
A
B
29
