IVT 12 THR-N Installation Manual page 3

After installation, be sure to explain to the
customer enough about the system.
1 PLACING THE MOUNTING PLATE AND MAKING A PIPING HOLE
(1) Referring to the figure below, mark the location for the wall plugs and the piping hole.
• Recommended fixing holes are marked in circle around the hole. (7 points)
• Make sure that the mounting plate is horizontally.
138
Piping gauge
70 85
Center of wall hole:
Leftward piping.
Ø70
Ø65
Ø60
2 SETTING UP THE INDOOR UNIT
Piping route
For directions 1, 2 ,4 and 5, cut out
the specific zone without leaving
any sharp edge.
Mounting the indoor unit
For right side piping
(1) Pass the pipes and the drain hose through the piping hole.
(2) Hook the unit onto the mounting plate.
(3) Pull the connecting cable into the indoor unit.
(4) Push the unit and apply the bottom hooks to the mounting plate's support.
(5) Pull the bottom of the unit to check that the unit is fixed in place.
For left side piping
(1) Reverse the positions of the drain hose and drain cap.
Refer to NOTES ON DRAIN HOSE.
(2) Connect the pipes and connecting cable.
(3) Bind the pipes and connecting cable with tape.
(4) Set the them along the back of the unit, and attach the piping holder.
(5) Pass the pipes, connecting cable and the drain hose through the piping hole.
(6) Hook the unit onto the mounting plate.
(7) Push the unit and apply the bottom hooks to the mounting plate's support.
(8) Pull the bottom of the unit to check that the unit is fixed in place.
Detaching the unit from the mounting plate
Push the " " marks at the bottom of the indoor unit and pull the bottom of the unit.
When the hooks are released from the mounting plate, support the bottom of the unit
and lift the unit upwards.
3 CONNECTING THE CABLE TO THE INDOOR UNIT
(1) Process the end of the connecting cable for the indoor
side.
• Use a copper cable. (Cross-section area 1,5 mm
• Use a cable which is not lighter than polychloroprene
sheathed flexible cord (code designation 60245 IEC 57).
(2) Remove the open panel.
• Lift the open panel up slightly and remove it.
(3) Unscrew the screw and release the cable holder.
(4) Connect the cable.
• Be very careful not to confuse the terminal connections.
Wrong cabling may damage the internal control circuit.
• The markings on the indoor unit's terminal board must
match with those of the outdoor unit.
(5) Fasten the cable with the cable holder and the screw.
(6) Attach the terminal cover with the short screw.
(7) Replace the open panel.
12THR-N_IVT_final all.indd 3
Carefully read and follow these
instructions for smooth and
trouble-free installation.
(Unit size)
798
250
138
450
Piping gauge
85
Outline of indoor unit Center of wall hole:
Backward piping
The center position of the hole will differ vertically
depending on the hole diameter of the wall.
Refer to the marking on the mounting plate for
necessary adjustments. (Both left and right)
Cut the plate along notch.
Plate
Plate
Plate
Drain cap
2
)
Use New refrigerant R410A
(2) Drill diameter 6.5 mm, depth
32 mm holes and fit the wall
plug.
Length unit: mm
(3) Secure the mounting plate to
the wall with the long screws
and check the stiffness.
(4) Drill a piping hole with 70 mm
diameter concrete drill or a
hole saw with a 5 mm down
ward slant to the outside.
(5) Set the sleeve and caps.
70
Panel cover
Installation is easily
achieved by removing the
panel cover.
MOUNTING
PLATE
Taping
MOUNTING
PLATE
Hook
Drain hose
"
45mm
40mm
8mm
8mm
Earth wire
Terminal
board
N 1
Earth
wire
Connecting
cable
7 TERMINAL COVER
Screw
8 SHORT SCREW
3
32 mm
2 WALL PLUG
2 WALL PLUG
3 LONG SCREW
Wall
Indoor
Removal Attachment
Remove the panel cover Fit the side of the panel cover
by pushing arrow-marked to the unit, and fit in the bottom
points. of the panel cover to the unit.
Hook
(side)
Panel cover
Front side
Hole
Piping
Push
holder
down
Piping holder
Pull
Hook
" mark
Open panel
1
2
1
2
Open panel
Cable holder
ENGLISH
6.5 mm
1 MOUNTING PLATE
Outdoor
Cut with a saw.
Cap
5 mm
Sleeve (Downward to
outdoor)
Hook (bottom)
Back side
Pipe(Gas)
Pipe(Liquid)
Insulator
Piping holder
Connecting cable
Hook
Indoor unit
1
Long shaft
Hook
2016/1/8 15:57:09