DIAL CASS-PNL-18-24-36 User manual

IMPORTANT:
READ AND UNDERSTAND
THIS MANUAL BEFORE
USING THIS AIR PANEL.
KEEP THIS MANUAL FOR
FUTURE REFERENCE.
PREFACE
1
Installation
Manual
For Cassette Panel
Model: CASS-PNL-18-24-36
IMPORTANTNOTICE
: Hazards or unsafe practices which COULD result in minor personal
injury or product or property damage.
: Useful information for operation and/or maintenance.
NOTE
This manual should be considered as a permanent part of the air conditioning equipment and should remain with the
air conditioning equipment.
352'8&7,163(&7,21
Checkthemodelnumberandaccessoriestodetermineiftheyarecorrect.
* Places where oil(including machinery oil) mist and steam drifts.
* Places where a lots of sulfide gas drifts such as in hot spring.
* Places where inflammable gas may generate or flow.
* Places where air contains high salt contents as coast regions.
* Places where with atmosphere of acidity or alkalinity.
In WKHcase of using equipmentWKDW generatHV electromagnetic waves, pay a particular attention to unit malfunctionV. The unit
should QRWIDFH Whe electrical box WRPLQLPL]HH[SRVXUHWRelectromagnetic waves. The unit should beplaced at least 3m away
from VXFK equipment to avoid any radiation transmitting in the air.
Do not install the unit in D place where the air flow directly cRQWDFW animals or plants.It could be the cause of adverse affect to
animals or plants.
The standard utilization of this air panel is explained in these instructions.
Improper operation, or operation not made in accordance with these instructions , can result in unsatisfactory
SHUIRUPDQFH and/or dangerous conditions. In such cases, the warranty does not apply.
Our liability shall not cover defects arising from any alteration performed by a customer.
All information in this manual is based on the latest product information available at the time of approval for printing. We
reserves the right to make changes at any time without notice and without incurring any obligation.
No part of this manual may be reproduced without written permission.
Signal words (CAUTION and NOTE) are used to identify levels of hazard seriousness. Definitions for identifying
hazard levels are provided below with their respective signal words.
Do not install the unit in the following places. It causes failure oI the unit in many cases.

Factory-Supplied Accessories
Fig.2.1 Removing Method of Air Intake Grille
Step 1
Step 2
Step 2
Step 3
Step 1
Name Q’ty Purpose
Name Q’ty Purpose
Long Screw (M5×25)
Long Screw (M6×50)
4 For Fixing Panel
4 For Fixing Panel
*Do not touch the air louver during installation work.
*Do not try to remove the grille while it is at an angle of 90o
from the surface of the air panel.
NOTE
Mount the air panel onto the air panel fixing position by using the
factory-supplied fixing screws (M5×25 screws).
Note: Avoid the connection line of the panel and connection line of the indoor
unit sandwiched between indoor and panel.
Set the display board of the panel to the corner of the electric control
board portion of the indoor unit.
Fig.2.2 Installation
etc. to protect sealing insulation from scratches.
When the air panel is unpacked, place it on insulation material
2.1 Location of Suspension Bracket
Check to ensure that the suspension brackets of the indoor unit are
located approximately 195mm(cooling capacity≤18000Btu/h)/102mm
(cooling capacity＞18000Btu/h) higher than the false ceiling.
Refer to the indoor unit manual for details.
INDOOR UNIT
Drain Pipe
Ref. Pipe(big)
Ref. Pipe(small)
Electric Control Box
Air Panel
Panel Display Board
C-Shaped
Hingle(Qt'y 2)
Screw(Qt'y 4)
Check to ensure that there is no gap around the contacting surface
between the indoor unit and the air panel. Any gap may cause air
leakage or dewing.
Fig.2.3 Cross Section of Air Panel
Indoor Unit
Undersurface
Fixing Plate
(Indoor Unit Side)
False
Ceiling Panel
Fixing Plate
(Air Panel Side)
Long Screw
Gasket for
Sealing
: Fix screw until this end touches it.
7
2
Air Panel
Air Intake Grille
* Slide the knobs toward the allow direction.
Display Board
Knob
Check to ensure that the following accessories are packed with the
air panel.
For cassette（cooling capacity≤18000Btu/h ）supporting panels：
2.3.1 For cassette（cooling capacity≤18000Btu/h ）supporting panels
For cassette（cooling capacity＞18000Btu/h ）supporting panels：
If any of these accessories are not packed in the packing,
please contact your contractor.
2.2 Removing Air Intake Grille from Air Panel
2.3 Installing Air Panel
Open the air intake grille to an angle of approximately 45°from the
surface of the air panel as shown in Fig.2.1.
Lift the grille keeping it inclined, and remove it.
2. Installation
1.Before Installation
45°

2.3.2 For cassette（cooling capacity＞18000Btu/h ）supporting panels
Step 1
Step 2
Step 3
Fig.2.4 Removing Corner Pocket Cover
①
②
④
Fixing Hook
Fixing Hook
Fixing Hook
Corner Pocket Cover
③
L-Shaped Hook
Remove the corner pocket cover as shown below(4 portions).
Pull the fixing hook towards the arrow mark according to the order “①”,
“②” and “③”.
The corner pocket cover can be lifted.
After lifting, move it in “④”direction, disconnect the L-shaped hook and
dismantle the corner pocket cover.
Confirm the L-shaped hook comes off securely before removing the
corner pocket cover.
Pull down the U-shaped hook (at 2 positions) located at the indoor unit
side.
Set the corner of the refrigerant connection portion of the indoor unit to
the position indicated as “Ref. Piping”,and catch the C-shaped hinge (2
positions) onto the U-shaped hooks (2 positions) .
Step 4
Mount the air panel onto the air panel fixing position by using the
factory-supplied fixing screws (M6 long screws).
Fig.2.5 Installation
Indoor Unit
U-Shaped
Hook
Fixing Plate
(Indoor Unit)
Air Panel
Long Screw
(Q'ty 4)
C-Shaped Hinge
(Q'ty 2)
Stamp
"Ref. Pipe"
Refrigerant Pipe
Connections
Electrical
Control Box
Step 5
Check to ensure that there is no gap around the contacting surface
between the indoor unit and the air panel. Any gap may cause air
leakage or dewing(see fig.2.3).
Step 6
Projection
Band
Attach the corner pocket covers after mounting air panel.
(Panels with display board should connect line with panel and
electric box first .)
1) Catch the band at the rear side of the cover for the corner
pockets onto the projection of the panel as shown below.
Fixing Hook
(3 Portions)
L-Shaped Hook
2)Catch the L-shaped hook located at the rear side of the cover
for the corner pockets onto the square hole of the air panel.
3
To remove the corner pocket cover;
1) “1” the corner position of the corner pocket cover can be
lifted by inserting coin or slotted screwdriver and twisting.
With keeping this state, repeat the same procedure at the
position “2” and “3”. The whole corner pocket cover can be
lifted .
After disconnecting the fixing hook (3 positions), disconnect
the L-shaped hook and remove the corner pocket cover.
Confirm the L-shaped hook comes off securely before
removing the corner pocket cover.
2) Slide the corner pocket cover in the allowed direction.
NOTE
Coin or Slotted Screwdriver
Lifting
Corner Position
1
2
3
4

Air Leakage
Smudge
Dewing
If the long screws are tightened insufficiently, it may cause of the failure.
When there is still the gap even after tightening
the long screws firmly enough, readjust the height of the indoor unit.
The indoor unit height can be adjustable by using the wrench from the
corner pocket.
*Signifcant height adjustment will cause of dewing from the drain pan .
No gap shall exist.
Wrench
l
*For cassette （cooling capacity＞18000Btu/h ） supporting panels：
ODo not turn the air louver by hand.
If moved, the louver mechanism would be damaged.
Louver
Do Not Touch
4
NOTE
2.4 Wiring Connection for Air Panel
The wiring connector is located at the panel as shown in the figure.
Pull out the wiring connector, and then connect it with the
connector on the unit. wiring
Before electrical wiring work, turn OFF the power source.
If the connectors are connected without turning OFF the power
source, the auto-swing louver can not activate.
After completing the wiring connection of the panel ,fix the
motor wiring for the auto louver with the fixing hooks firmly.
Then attach the air intake grille in the reverse procedure for
installation .
The wiring connect with control board please refer to INDOOR WIRING
DIAGRAM .
Protect the wires or etc. from rats or other animals.
If not protected, rats may gnaw at unprotected parts and at the
worst, a fire will occur.
After indoor and outdoor runs,
Please press “swing’’ button when operate louvers by using remote
controller, details see remote controller manual.
Never move the swing louver by hand.
check the swing louvers.
3.Test Run
VERSION NO.1545617,C
Display Board
(On the Panel Side)
(10-Pole Connector)
Wiring Motor Wiring for Auto Louver
(On the Panel Side)
(5-Pole Connector)