12. Installation Instruction
12.2 Indoor Unit
12.2.1 How to Fix Installation Plate
The mounting wall shall be strong and solid enough to prevent it from vibration.
3 4
5 6
Wall Wall Wall
Installation plate1 2 screw
More than More than
Indoor unit
128 mm
241.5 mm
128 mm More
than
For best strength of INDOOR unit installation, it is highly recommended to locate “ ” at 5 position as shown.
Measuring Tape
1 1
2
Model Dimension
HZ9***, AZ9***
HZ12***
or
490 mm 82 mm 435 mm 435 mm 127 mm 88 mmThe center of installation plate should be at more than at right and left of the wall.
The distance from installation plate edge to ceiling should more than .
From installation plate center to unit’s left side is .
From installation plate center to unit’s right side is .
○ B : For left side piping, piping connection for liquid should be about from this line.
: For left side piping, piping connection for gas should be about from this line.
1 Mount the installation plate on the wall with 5 screws or more (at least 5 screws).
(If mounting the unit on the concrete wall, consider using anchor bolts.)
o Always mount the installation plate horizontally by aligning the marking-off line with the thread and using a level gauge.
2 Drill the piping plate hole with ø70 mm hole-core drill.
o Line according to the left and right side of the installation plate. The meeting point of the extended line is the center of the hole. Another method is by putting measuring tape at position as shown in the diagram above. The hole center is obtained by measuring the distance namely 128 mm for left and right hole respectively.
o Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor side.
12.2.2 To Drill a Hole in the Wall and Install a Sleeve of Piping
1 Insert the piping sleeve to the hole.
2 Fix the bushing to the sleeve.
3 Cut the sleeve until it extrudes about 15 mm from the wall.
CAUTION
When the wall is hollow, please be sure to use the sleeve for tube assembly to prevent dangers caused by mice biting the connection cable.
4 Finish by sealing the sleeve with putty or caulking compound at the final stage.
15 mm
Putty or caulking compound ø70 mm through hole
Indoor Outdoor
Sleeve for tube assembly
Wall
Approx. 5 - 7 mm
Bushing for tube assembly
12.2.3 Indoor Unit Installation
Do not turn over the unit without it’s shock absorber during pull out the piping. It may cause intake grille damage.
Use shock absorber during pull out the piping to protect the intake grille from damage.
PUSH PUSH
Piping
Intake grille pull outthepiping
PUSH PUSH
Piping
Shock absorber pull out thepiping
12.2.3.1 For the right rear piping
Pull out the Indoor piping Install the Indoor Unit Secure the Indoor Unit Insert the connection cable
12.2.3.2 For the right and right bottom piping
Pull out the Indoor piping Install the Indoor Unit Insert the connection cable Secure the Indoor Unit
12.2.3.3 For the embedded piping
Replace the drain hose
Bend the embedded piping
Pull the connection cable into Indoor Unit
Cut the embedded piping
Install the Indoor Unit
Connect the piping
Insulate and finish the piping
Secure the Indoor Unit
Use a spring bender or equivalent to bend the piping so that the piping is not crushed.
The inside and outside connection cable can be connected without removing the front grille.
When determining the dimensions of the piping, slide the unit all the way to the left on the installation plate.
Please refer to “Insulation of piping connection” column as mentioned in indoor/outdoor unit installation.
Please refer to “Connecting the piping” column in outdoor unit section. (Below steps are done after connecting the outdoor piping and gas-leakage confirmation).
Cover for piping In case of the cover is cut, keep
the cover at the rear of chassis as shown in the illust ration for future reinstallation .
(Left, right and 2 bottom covers for piping.)
How to keep the cover
Guide
surface Connection cable About
70 – 8 0 mm
Connection cable Gas side piping Liquid side piping Drain hose
Insert the connection cable
To take out the unit, pus h th e ma rking at th e bottom unit, and pull it slightly towards you to disengage the hooks from the unit.
g n i k r a m
Install the indoor unit Hook the indoor unit onto the upper portion of installation plate. (Engage the indoor unit with the upper edge of the installation plate). Ensure the hooks are prope rly seate d on the installation plate by moving it in left and right.
Drain hose Sleeve for piping hole
Indoor unit
Hooks at installation plate
Piping
1. Press the lower left and right side of the unit against the installation plate until hooks engages with their slot (sound cli ck).
Secure the Indoor Unit
Installation plate Unit’s
hook Cover for the bottom piping Tape it with piping in a
position as mentioned in Fig. bel ow.
Cover for the right piping Piping
Drain hose
Cover for the left piping
Right and Right Bottom piping Right Rear piping
Cover for the bottom piping Cover for the
bottom piping Tape it with
piping in a position as mentioned in
Fig. bel ow.
Cover for the right piping
Piping
Drain hose
Cover for the left piping
Rear view for left piping installation
Drain cap Drain hose
• How to pull the piping and drain hose out, in case of the embedded piping.
PVC tube for drain hose
Indoor unit 100 mm
Piping Cable Apply putty or
caulking material to seal the wall
opening. Connection
cable Piping
Morethan
470 m m Mo re t han
950 mm
PVC tube (VP-65)for piping and connection cable
PVC tubefor drain hose (VP-30) PVC tube for
drain hose (VP-20) Mo re tha n 70 0 mm
• In case of left piping how to insert the connection cable and drain hose.
Drain hose from main unit
Cable 45°
Drain hose
Piping
(For the right piping, follow the same procedure)
Sleeve for piping hole Drain hose
Piping
Connection cable More than 950 mm Replace the drain hose
12.2.4 Connect the Cable to the Indoor Unit
1. The inside and outside connection cable can be connected without removing the front grille.
2. Decide on the type of power supply connection to be used, indoor power supply or outdoor power supply.
12.2.4.1 In case of indoor power supply
3. Install the indoor unit on the installing holder that mounted on the wall.
4. Open the front panel and grille door by loosening the screw.
5. Cable connection to the power supply through Isolating Devices (Disconnecting means).
Connect approved type polychloroprene sheathed power supply cord 3 × 1.5mm
2type designation 60245 IEC 57 or heavier cord to the terminal board, and connect the others end of the cord to Isolating Devices (Disconnecting means).
Do not use joint power supply cord. Replace the wire if the existing wire (from concealed wiring, or otherwise) is too short.
In unavoidable case, joining of power supply cord between isolating devices and terminal board of air conditioner shall be done by using approved socket and plug with earth pin rated 16A. Wiring work to both socket and plug must follow to national wiring standard.
6. Bind all the power supply cord lead wire with tape and route the power supply cord via the left escapement.
7. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm
2flexible cord, type designation 60245 IEC 57 or heavier cord. Do not use joint connection cable. Replace the wire if the existing wire (from concealed wiring, or otherwise) is too short. Allowable connection cable length of each indoor unit shall be 30 mm or less.
8. Bind all the indoor and outdoor connection cable with tape and route the connection cable via the right escapement.
9. Remove the tapes and connect the power supply cord and connection cable between indoor unit and outdoor unit according to the diagram below.
Terminals on the outdoor unit Colour of wires (connection cable) Terminals on the indoor unit
Terminals on the isolating devices (Disconnecting means)
(Power supply cord)
L N 1 2 3
(L) (N)
1 2 3
L N
Recommended length (mm)
Tape
Connection cable Tape
Power supply cord
Terminal Board
Control Board Earth wire longer than others AC wires for safety reason Holder Holder
Indoor & outdoor connection cable Isolating
Devices Outdoor unit Power supply
cord Recommended
length (mm)
55 35 35 50 40 35 60
a
b d e
f g
c
6 8
b c d e f g a
10. Secure the power supply cord and connection cable onto the control board with the holder.
11. Close grille door by tighten with screw and close the front panel.
12.2.4.2 In case of outdoor power supply
3. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm
2flexible cord, type designation 60245 IEC 57 or heavier cord. Do not use joint connection cable. Replace the wire if the existing wire (from concealed wiring, or otherwise) is too short. Allowable connection cable length of each indoor unit shall be 30 mm or less.
4. Bind all the indoor and outdoor connection cable with tape and route the connection cable via the right escapement.
5. Remove the tapes and connect the connection cable between indoor unit and outdoor unit according to the diagram below.
Terminals on the outdoor unit Colour of wires (connection cable) Terminals on the indoor unit Terminals on the isolating devices
(Disconnecting means) (Power supply cord)
L N 1 2 3
(L) (N)
1 2 3
L N
Tape
Connection cable Terminal
Board
Control Board Earth wire longer than others AC wires for safety reason Holder
Indoor & outdoor connection cable
Outdoor unit
a b
d
Recommended
clength (mm)
Recommended length (mm)
a b c d 50 40 35 60
4
6. Secure the connection cable onto the control board with the holder.
Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor’s respectively.
Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason.
12.2.4.3 Wire Stripping, Connecting Requirement
Wire stripping
5 mm or more
Conductor over inserted
No loose strand when inserted
Indoor/outdoor connection terminal board
10 ± 1 mm
Conductor fully inserted
Conductor not fully inserted
(gap between wires) ACCEPT PROHIBITED PROHIBITED
WARNING
RISK OF FIRE JOINING OF WIRES MAYCAUSE OVERHEATING AND FIRE.
Use complete wire without joining.
Use approved socket and plug with earth pin.
Wire connection in this area must follow to national wiring rules.
Do not joint wires
OR
OR OR
In case of indoor power supply In case of outdoor power supply
OR
OR OR