Mitsubishi Heavy Industries SRK63ZR-WF Technical Manual page 30

10. HOW TO OPEN, CLOSE, REMOVE AND INSTALL
THE AIR INLET PANEL
1. Open
Pull the air inlet panel at both ends of lower part
and release latches, then pull up the panel until
you feel resistance.
(The panel stops at approx. 60° open position)
2. Close
Hold the panel at both ends of lower part, lower
it downward slowly, then push it slightly until the
latch works.
3. Removing
Open the panel by 80° (as shown in the right
illustration) and then pull it forward.
4. Installing
Insert the panel arm into the slot on the front
panel from the position shown in right illustra-
tion, hold the panel at both ends of lower part,
lower it downward slowly, then push it slightly
until the latch works.
12. INSTALLING REMOTE CONTROL
Mount the batteries
(1) Slide and take out the cover of backside.
(2) Mount the batteries [R03 (AAA, Micro), ×
2 pieces] in the body properly.
(Fit he poles with the indication marks + & −)
(3) Set the cover again.
NOTE
• Do not use new and old batteries together.
• In case the unit is not operated for a long time,
take out the batteries
Battery
Cover
14. INSTALLING TWO AIR-CONDITIONERS IN THE SAME ROOM
In case two air-conditioners are installed in the same room, apply this setting so that one unit can be
operated with only one remote control.
Setting one remote control
(1) Slide and take out the cover and batteries.
(2) Cut the switching line next to the battery
with wire cutters.
(3) Set the batteries and cover again.
Cut
16. INSTALLATION CHECK AND TEST RUN
After fi nishing the installation work, check the following points again before turning on the power. Conduct a test run and ensure that the unit operates properly.
At the same time, explain to the customer how to use the unit and how to take care of the unit following the user's manual.
Before test run
Before test run, check following points.
Power source voltage complies with the rated voltage of air-conditioner.
Earth leakage breaker and circuit breaker are installed.
Power cable and connecting cable are securely fi xed to the terminal block.
Both liquid and gas service valves are fully open.
No gas leaks from the joints of the service valves.
Indoor and outdoor side pipe joints have been insulated.
Hole on the wall is completely sealed with putty.
Drain hose and cap are installed properly.
Screw of the lid is tightened securely.
Air inlet panel
Approx. 80°
Panel arm
Installing remote control holder
(1) Select the place where the unit can receive
signals.
(2) Fix the holder to pillar or wall with wood
screws.
• Do not mix old and new batteries, or batteries
of diff erent types (manganese/alkaline).
Remote control
Wood screws
ø3.5 X 16
Setting one indoor unit
(1) Turn off the power source and turn it on after
1 minute.
(2) Send the signal by pressing the ACL switch
on the remote control that was set according
to the procedure described on the left side.
(3) Check that the reception buzzer sound
"Peep" is emitted from the indoor unit. Since
the signal is sent about 6 seconds after the
ACL switch is pressed, point the remote
control to the indoor unit for a while.
NOTE
If no reception buzzer is emitted, restart the set-
ting from the beginning.
Reception
Peep
Test run
Check following points during test run.
Indoor unit receives signal of remote control.
Air-conditioning operation is normal.
There is no abnormal noise.
Water drains out smoothly.
Display of remote control is normal.
After test run
Explain the operating and maintenance methods to the user according to
the user's manual.
Keep this installation manual together with user's manual.
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11. HOW TO REMOVE AND INSTALL FRONT PANEL
1. Removing
(1) Remove the air inlet panel and the air fi lters.
(2) Remove the 8 screws.
(3) Remove the 5 upper latches and then front
panel can be removed.
2. Installing
(1) Cover the unit with the front panel and fi x 5
upper latches.
(2) Secure the front panel with the 8 screws.
(3) Install the air inlet panel and the air fi lters.
13. TERMINAL CONNECTION FOR AN INTERFACE
This unit is standardly equipped with a wireless LAN adapter.
To install wired remote control, Superlink etc., interface kit is needed.
When using the interface kit, the wireless LAN function cannot be used.
(1) Turn off the power source.
(2) Remove the air inlet panel.
(3) Remove the control cover.
(Remove the screw.)
(4) There is a terminal
(respectively marked with
CNS) on the indoor unit PCB.
Disconnect the harness from
the CNS terminal.
Remove the wireless LAN
adapter from the control box,
and pull out the wireless LAN
adapter harness from the
wireless LAN adapter.
After that, install the wireless
LAN adapter in the control
box.
While connecting an
interface, connect to the CNS
terminal securely with the
connection harness supplied
with an option "Interface
connection kit SC-BIKN2-E"
and fasten the connection
harness onto the indoor
control box with the clamp
and screw supplied with the
kit.
For more details, refer to the
user's manual of "Interface
connection kit SC-BIKN2-E".
NOTE
Make sure that the disconnected
connector does not touch the inter-
nal parts of the unit.
15. PUMP DOWN WORK
For the environmental protection, be sure to pump down when relocating or disposing of the unit. Pump
down is the method of recovering refrigerant from the indoor unit to the outdoor unit before the connect-
ing pipes are removed from the unit. When pump down is carried out, forced cooling operation is needed.
Forced cooling operation
(1) Turn off the power source and turn it on
again after 1 minute.
(2) Press the ON/OFF button continuously for at
least 5 seconds. Then operation will start.
For the detail of pump down, refer to the instal-
lation manual of outdoor unit.
29
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'22 • SRK-T-362
Air inlet panel
Air filter
Front panel
Screw
Latch
Indoor unit PCB
Control box
Control cover
Wireless LAN
adapter
Screw
CNS terminal
Wireless LAN
adapter harness
Screw
Connection
harness of
interface kit
Clamp and
screw
Unit ON/OFF button
NOTE
During restart or change in
operation mode, the unit
will not start operating for
approximately 3 minutes.
This is to protect the unit
and it is not malfunction.