QS09-VJ115
QS12-VJ115
QS09-VP115
QS12-VP115
(Refrigerant R410A)
Model:
INSTALLATION MANUAL
22
Technical Information
Service Manual
1. Select the installation location according to the requirement of this manual.(See the requirements in installation
part)
2. Handle unit transportation with care; the unit should not
be carried by only one person if it is more than 44lb.
3. When installing the indoor unit and outdoor unit, a sufcient xing bolt must be installed; make sure the installation
support is rm.
4. Ware safety belt if the height of working is above 6.6ft.
5. Use equipped components or appointed components during installation.
6. Make sure no foreign objects are left in the unit after nishing installation.
Electrical Safety Precautions:
7. Notes for Installation and Maintenance
Safety Precautions:
Important!
Please read the safety precautions carefully before installation and maintenance.
The following contents are very important for installation
and maintenance.
Please follow the instructions below.
●The installation or maintenance must accord with the
instructions.
●Comply with all national electrical codes and local
electrical codes.
●Pay attention to the warnings and cautions in this
manual.
●All installation and maintenance shall be performed by
distributor or qualied person.
●All electric work must be performed by a licensed
technician according to local regulations and the
instructions given in this manual.
●Be caution during installation and maintenance. Prohibit
incorrect operation to prevent electric shock, casualty and
other accidents.
1. Cut off the power supply of air conditioner before
checking and maintenance.
2. The air condition must apply specialized circuit and
prohibit share the same circuit with other appliances.
3. The air conditioner should be installed in suitable
location and ensure the power plug is touchable.
4. Make sure each wiring terminal is connected firmly
during installation and maintenance.
5. Have the unit adequately grounded. The grounding
wire can’t be used for other purposes.
6. Must apply protective accessories such as protective
boards, cable-cross loop and wire clip.
7. The live wi re, neutral wir e and grounding wire of
power supply must be corresponding to the live wire,
neutral wire and grounding wire of the air conditioner.
8. The power cord and power connection wires can’t be
pressed by hard objects.
9. If power cord or connection wire is broken, it must be
replaced by a qualied person.
Warnings
Improper installation may lead to re hazard, explosion,
electric shock or injury.
Installation Safety Precautions:
Part
Ⅱ
: Installation and Maintenance
10. If the power cord or connection wire is not long enough,
please get the specialized power cord or connection wire
from the manufacture or distributor. Prohibit prolong the wire
by yourself.
11. For the air conditioner without plug, an air switch must
be installed in the circuit. The air switch should be all-pole
parting and the contact parting distance should be more than
3mm.
12. Make sure all wires and pipes are connected properly and
the valves are opened before energizing.
13. Check if there is electric leakage on the unit body. If yes,
please eliminate the electric leakage.
14. Replace the fuse with a new one of the same specication
if it is burnt down; don’t replace it with a cooper wire or
conducting wire.
15. If the unit is to be installed in a humid place, the circuit
breaker must be installed.
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Installation and Maintenance
Service Manual
Main Tools for Installation and Maintenance
1. Level meter, measuring tape
4. Electroprobe
7. Electronic leakage detector
10. Pipe pliers, pipe cutter
2. Screw driver
5. Universal meter
8. Vacuum pump
11. Pipe expander, pipe bender
3. Impact drill, drill head, electric drill
6. Tor qu e wre nc h, op en-end wrench, inner
hexagon spanner
9. Pressure meter
12. Soldering appliance, refrigerant container
24
Installation and Maintenance
Service Manual
8. Installation
8.1 Installation Dimension Diagram
Installation dimension diagram
Space to the ceiling
Space to the wall
At least 0.5ft.
At least 0.5ft.
At least 0.5ft.
At least 8.2ft.
Space to the wall
Space to the obstruction
roolf eht ot ecapS
Space to the obstruction
Drainage pipe
Space to the wall
Space to the obstruction
Space to the obstruction
Space to the obstruction
At least 10ft.
At least 1.6ft.
At least 6.6ft.
At least 1ft.
At least 1ft.
At least 1.6ft.
25
Installation and Maintenance
Service Manual
Preparation before installation
Prepare tools
Read the requirements
for electric connection
select installation
location
Select indoor unit
installation location
Install wall-mounting
frame, drill wall holes
Connect pipes of indoor
unit and drainage pipe
Connect wires of indoor unit
Connect wires of outdoor unit
Bind up pipes and
hang the indoor unit
Make the bound pipes pass
through the wall hole and then
connect outdoor unit
Neaten the pipes
Vacuum pumping and leakage detection
Check after installation and test operation
Finish installation
Note: this flow is only for reference; please find the more detailed installation steps in this section.
Select outdoor unit
installation location
Install the support of outdoor unit
(select it according to the actual situation)
Install drainage joint of outdoor unit
(only for cooling and heating unit)
Connect pipes of outdoor unit
Start installation
Fix outdoor unit
Installation procedures
26
Installation and Maintenance
Service Manual
No. Name No. Name
1 Indoor unit 8 Sealing gum
2 Outdoor unit 9 Wrapping tape
3 Connection pipe 10
Support of outdoor
unit
4 Drainage pipe 11 Fixing screw
5
Wall-mounting
frame
12
Drainage plug(cooling
and heating unit)
6
Connecting
cable(power cord)
13
Owner’s manual,
remote controller
7 Wall pipe
1. Safety precaution
(1) Must follow the electric safety regulations when installing
the unit.
(2) According to the local safety regulations, use qualied
power supply circuit and air switch.
(3) Make sure the power supply matches with the requirement
of air conditioner. Unstable power supply or incorrect wiring
may result in electric shock,re hazard or malfunction. Please
install proper power supply cables before using the air
conditioner.
(4) Properly connect the live wire, neutral wire and grounding
wire of power socket.
(5) Be sure to cut off the power supply before proceeding any
work related to electricity and safety.
(6) Do not put through the power before nishing installation.
(7) For appliances with type Y attachment,the instructions
shall contain the substance of thefollowing.If the supply cord is
damaged,it must be replaced by the manufacturer,its service
agent or similarly qualied persons in order to avoid a hazard.
(8) The temperature of refrigerant circuit will be high, please
keep the interconnection cable away from the copper tube.
8.2 Installation Parts-checking
8.3 Selection of Installation Location
8.4 Requirements Forelectric Connection
8.5 Installation of Indoor Unit
1.Please contact the local agent for installation.
2.Don't use unqualied power cord.
1. Basic Requirement:
Installing the unit in the following places may cause
malfunction. If it is unavoidable, please consult the local dealer:
(1) The place with strong heat sources, vapors, ammable or
explosive gas, or volatile objects spread in the air.
(2) The place with high-frequency devices (such as welding
machine, medical equipment).
(3) The place near coast area.
(4) The place with oil or fumes in the air. in the air.
(5) The place with sulfureted gas.
(6) Other places with special circumstances.
2. Grounding requirement:
(1) The air conditioner is rst class electric appliance. It must
be properly grounding with specialized grounding device
by a professional. Please make sure it is always grounded
effectively, otherwise it may cause electric shock.
(2) The yellow-green wire in air conditioner is grounding wire,
which can't be used for other purposes.
(3) The grounding resistance should comply with national
electric safety regulations.
(4) The appliance must be positioned so that the plug is
accessible
(5) An all-pole disconnection switch having a contact separation
of at least 3mm in all poles should be connected in xed wiring.
(6) 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 circuitshort and overload. (Caution: please do not use the fuse only
for protect the circuit)
1. Choosing Installation Iocation
Recommend the installation location to the client and then
conrm it with the client.
2. Install Wall-mounting Frame
(1) Hang the wall-mounting frame on the wall; adjust it in
horizontal position with the level meter and then point out the
screw xing holes on the wall.
(2) Drill the screw xing holes on the wall with impact drill (the
specication of drill head should be the same as the plastic
expansion particle) and then ll the plastic expansion particles
in the holes.
(3) Fix the wall-mounting frame on the wall with tapping screws
(ST4.2X25TA) and then check if the frame is rmly installed by
pulling the frame. If the plastic expansion particle is loose,
please drill another xing hole nearby.
2. Indoor Unit:
(1) There should be no obstruction near air inlet and air outlet.
(2) Select a location where the condensation water can be
dispersed easily and won't affect other people.
(3) Select a location which is convenient to connect the
outdoor unit and near the power socket.
(4) Select a location which is out of reach for children.
(5) The location should be able to withstand the weight of
indoor unit and won't increase noise and vibration.
(6) The height of indoor unit should be between 8ft. from the
oor in order to provide sufcient space for maintenance.
(7) Don't install the indoor unit right above the electric
appliance.
(8) The appliance shall not be installed in the laundry
3. Outdoor unit:
1.Select a location where the noise and outow air emitted by
the outdoor unit will not affect neighborhood.
2.The location should be well ventilated and dry, in which the
outdoor unit won't be exposed directly to sunlight or strong
wind.
3.The location should be able to withstand the weight of
outdoor unit.
4.Make sure that the installation follows the requirement of
installation dimension diagram.
5.Select a location which is out of reach for children and far
away from animals or plants.If it is unavoidable, please add
fence for safety purpose.
Note:
27
Installation and Maintenance
Service Manual
Outlet
pipe
Drain hose
Drain hose
Tape
Outlet pipe
Insulating pipe
Torque wrench
Open-end
wrench
Indoor pipe
Pipe
Union nut
Union nutPipe joint
Pipe
Hex nut diameter(inch) Tightening torque(N.m)
1/4" 15~20
3/8” 30~40
1/2” 45~55
5/8” 60~65
3/4” 70~75
Refer to the following table for wrench moment of force
:
Drain hose
Insulating pipe
(1) Add insulating pipe in the indoor drain hose in order to
prevent condensation.
(2) The plastic expansion particles are not provided.
(As show in Fig.10)
Fig.5 Fig.6
Fig.7
Fig.8
Fig.9
Fig.10
Left
Rear left
Right
Rear right
Cut off
the hole
Left Right
Fig.3
Fig.4
3. Install Wall-mounting Frame
(1) Choose the position of piping hole according to the direction
of outlet pipe. The position of piping hole should be a little
lower than the wall-mounted frame.(As show in Fig.1)
5. Connect the Pipe of Indoor Unit
(1) Aim the pipe joint at the corresponding bellmouth.(As show
in Fig.5)
(2) Pretightening the union nut with hand.
(3) Adjust the torque force by referring to the following sheet.
Place the open-end wrench on the pipe joint and place the
torque wrench on the union nut. Tighten the union nut with
torque wrench.(As show in Fig.6)
(4) Wrap the indoor pipe and joint of connection pipe with
insulating pipe, and then wrap it with tape.(As show in Fig.7)
6. Install Drain Hose
(1) Connect the drain hose to the outlet pipe of indoor unit.(As
show in Fig.8)
(2) Bind the joint with tape.(As show in Fig.9)
4. Outlet pipe
(1) The pipe can be led out in the direction of right, rear right,
left or rear left.(As show in Fig.3)
(2) When selecting leading out the pipe from left or right, please
cut off the corresponding hole on the bottom case.(As show in
Fig.4)
(2) Open a piping hole with the diameter of Φ55 on the selected
outlet pipe position.In order to drain smoothly, slant the piping
hole on the wall slightly downward to the outdoor side with the
gradient of 5-10°.(As show in Fig.2)
(1) Pay attention to dust prevention and take relevant safety
measures when opening the hole.
(2) The plastic expansion particles are not provided and should
be bought locally.
Note:
Note:
5-10
°
Φ55
or Φ70
Indoor
Outdoor
Fig.2
Φ2.2 inch
Fig.1
mm0 5 1
Ф55 mm
Ф55 mm
mm0 5 1
Wall
Wall
Mark on the middle of it
Gradienter
Left
Right
(Rear piping hole)
(Rear piping hole)
Space
to the
wall
above
Space
to the
wall
above
Φ2.2 inchΦ2.2 inch
Space
to the
wall 5ft.
above
Space
to the
wall 5ft.
above
28
Installation and Maintenance
Service Manual
Wiring cover
Screw
Panel
Power connection
wire
Cable-cross
hole
Do not bend the drain hose too excessively in order to prevent
blocking.
7. Connect Wire of Indoor Unit
(1) Open the panel, remove the screw on the wiring cover and
then take down the cover.(As show in Fig.11)
8. Bind up Pipe
(1) Bind up the connection pipe, power cord
and drain hose with the band.(As show in Fig.14)
(2) Reserve a certain length of drain hose and power cord
for installation when binding them. When binding to a certain
degree, separate the indoor power and then separate the drain
hose.(As show in Fig.15)
(3) Bind them evenly.
(4) The liquid pipe and gas pipe should be bound separately at
the end.
9. Hang the Indoor Unit
(1) Put the bound pipes in the wall pipe and then make them
pass through the wall hole.
(2) Hang the indoor unit on the wall-mounting frame.
(3) Stuff the gap between pipes and wall hole with sealing gum.
(4) Fix the wall pipe.
(As show in Fig.16)
(5) Check if the indoor unit is installed rmly and closed to the
wall.(As show in Fig.17)
(2) Make the power connection wire go through the cable-cross
hole at the back of indoor unit and then pull it out from the front
side.(As show in Fig.12)
(3) Remove the wire clip; connect the power connection wire
to the wiring terminal; tighten the screw and then x the power
connection wire with wire clip.(As show in Fig.13)
(4) Put wiring cover back and then tighten the screw.
(5) Close the panel.
(1) All wires of indoor unit and outdoor unit should be
connected by a professional.
(2) If the length of power connection wire is insufcient, please
contact the supplier for a new one. Avoid extending the wire by
yourself.
(3) For the air conditioner with plug, the plug should be
reachable after nishing installation.
(4) For the air conditioner without plug, an air switch must be
installed in the line. The air switch should be all-pole parting
and the contact parting distance should be more than 3mm.
Note:
(1) The power cord and control wire can't be crossed or
winding.
(2) The drain hose should be bound at the bottom.
Note:
Note:
Indoor
Outdoor
Wall pipe
Sealing gum
Upper hook
Lower hook of
wall-mounting frame
Fig.11
Fig.12
Fig.13
Indoor unit
Gas
pipe
Indoor and
outdoor power cord
Liquid
pipe
Drain hose
Band
Drain hose
Band
Connection pipe
Indoor power cord
Fig.14
Fig.15
Fig.16
Fig.17
N(1) 2 3
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Installation and Maintenance
Service Manual
(1) Take sufficient protective measures when installing the
outdoor unit.
(2) Make sure the support can withstand at least four times the
unit weight.
(3) The outdoor unit should be installed at least 3cm above the
oor in order to install drain joint.(As show in Fig.18)
(4) For the unit with cooling capacity of 2300W~5000W, 6
expansion screws are needed; for the unit with cooling capacity
of 6000W~8000W, 8 expansion screws are needed; for the
unit with cooling capacity of 10000W~16000W, 10 expansion
screws are needed.
(1) After tightening the screw, pull the power cord slightly to
check if it is rm.
(2) Never cut the power connection wire to prolong or shorten
the distance.
(1) The through-wall height of drain hose shouldn't be higher
than the outlet pipe hole of indoor unit.(As show in Fig.25)
(2) Slant the drain hose slightly downwards. The drain hose
can't be curved, raised and uctuant, etc.(As show in Fig.26)
Note:
Note:
Note:
U-shaped curve
Wall
Drain hose
The drain hos
can't raise
upwards
gas pipe
Liquid pipe
Liquid
valve
gas valve
Union nut
Pipe joint
Foot holes
Foot holes
At least 3cm above the floor
Chassis
Outdoor drain joint
Drain hose
Drain vent
8.6 Installation of Outdoor Unit
1. Fix the support of outdoor unit(select it according to the
actual installation situation)
(1) Select installation location according to the house structure.
(2) Fix the support of outdoor unit on the selected location with
expansion screws.
5. Connect Outdoor Electric Wire
(1)Remove the cable-crossing board 2 of right side plate for
outdoor unit.
(2)Remove the wire clamps, pass the power connection cord
and power cord through the cable-crossing board 1 to connect
the terminal.
The wiring distribution must match with the electric diagram.
(3)Fix the power connection cord and power cord with wire
clamps tightly.
(4)Check whether the wiring is xed well.
(5)Install the cable-crossing board 2.
6. Neaten the Pipes
(1) The pipes should be placed along the wall, bent reasonably
and hidden possibly. Min. semidiameter of bending the pipe is
10cm.
(2) If the outdoor unit is higher than the wall hole, you must set
a U-shaped curve in the pipe before pipe goes into the room,
in order to prevent rain from getting into the room.(As show in
Fig.24)
2. Install Drain Joint(Only for cooling and heating unit)
(1) Connect the outdoor drain joint into the hole on the chassis.
(2) Connect the drain hose into the drain vent.
(As show in Fig.19)
3. Fix Outdoor Unit
(1) Place the outdoor unit on the support.
(2) Fix the foot holes of outdoor unit with bolts.
(As show in Fig.20)
4. Fix Outdoor Unit
(1) Remove the screw on the cable-crossing board 2 of
outdoor unit and then remove the cable-crossing board 2.(As
show in Fig.21)
(2) Remove the screw cap of valve and aim the pipe joint at the
bellmouth of pipe.(As show in Fig.22)
(3) Pretightening the union nut with hand.
(4) Tighten the union nut with torque wrench .
Hex nut diameter(inch) Tightening torque(N.m)
1/4" 15~20
3/8” 30~40
1/2” 45~55
5/8” 60~65
3/4” 70~75
Refer to the following table for wrench moment of force
:
Fig.18 Fig.19
Fig.20
Fig.21
Fig.22
Fig.23
Fig.24
Fig.25
cable-crossing
board 2
Indoor unit connection
cable-crossing board 2
cable-crossing board 1
3
2
L
N
POWER
L
N
3
2
30
Installation and Maintenance
Service Manual
(3) The water outlet can't be placed in water in order to drain
smoothly.(As show in Fig.27)
Liquid valve
Gas valve
Refrigerant charging
vent
Nut of refrigerant
Charging vent
Vacuum pump
Piezometer
Valve cap
Lo Hi
Inner hexagon
spanner
Open
Close
The drain hose can't be fluctuant
The drain hose
can't be fluctuant
The water
outlet can't be
fluctuant
NO. Items to be checked Possible malfunction
1
Has the unit been
installed rmly?
The unit may drop, shake or
emit noise.
2
Have you done the
refrigerant leakage test?
It may cause insufcient cooling
(heating) capacity.
3
Is heat insulation of
pipeline sufcient?
It may cause condensation and
water dripping.
4 Is water drained well?
It may cause condensation and
water dripping.
5
Is the voltage of power
supply according to the
voltage marked on the
nameplate?
It may cause malfunction or
damage the parts.
6
Is electric wiring and
pipeline installed
correctly?
It may cause malfunction or
damage the parts.
7
Is the unit grounded
securely?
It may cause electric leakage.
8
Does the power cord
follow the specication?
It may cause malfunction or
damage the parts.
9
Is there any obstruction
in air inlet and air outlet?
It may cause insufcient cooling
(heating).
10
The dust and
sundries caused
during installation are
removed?
It may cause malfunction or
damaging the parts.
11
The gas valve and liquid
valve of connection pipe
are open completely?
It may cause insufcient cooling
(heating) capacity.
The water outlet
can't be placed
in water
1. Use Vacuum Pump
(1) Remove the valve caps on the liquid valve and gas valve
and the nut of refrigerant charging vent.
(2) Connect the charging hose of piezometer to the refrigerant
charging vent of gas valve and then connect the other charging
hose to the vacuum pump.
(3) Open the piezometer completely and operate for 10-15min
to check if the pressure of piezometer remains in -0.1MPa.
(4) Close the vacuum pump and maintain this status for 1-2min
to check if the pressure of piezometer remains in -0.1MPa. If
the pressure decreases, there may be leakage.
(5) Remove the piezometer, open the valve core of liquid valve
and gas valve completely with inner hexagon spanner.
(6) Tighten the screw caps of valves and refrigerant charging
vent.
(As show in Fig.28)
1. Check after Installation
Check according to the following requirement after finishing
installation.
2. Test operation
(1) Preparation of test operation
● The client approves the air conditioner installation.
● Specify the important notes for air conditioner to the client.
(2) Method of test operation
● Put through the power, press ON/OFF button on the remote
controller to start operation.
● Press MODE button to select AUTO, COOL, DRY, FAN and
HEAT to check whether the operation is normal or not.
● If the ambient temperature is lower than 16℃, the air
conditioner can’t start cooling.
2. Leakage detection
(1) With leakage detector:
Check if there is leakage with leakage detector.
(2) With soap water:
If leakage detector is not available, please use soap water for
leakage detection. Apply soap water at the suspected position
and keep the soap water for more than 3min. If there are air
bubbles coming out of this position, there's a leakage.
8.7 Vacuum Pumping and Leak Detection
8.8 Check after Installation and Test
operation
Fig.26
Fig.27
Fig.28
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