Mitsubishi MSZ-YK09VA-H1 Operating Instructions Manual page 52

Installation instructions
N m
·
13.7-17.7
Service cap
19.6-29.4
Stop valve cap
4-3 Test run
MSZ
INVETER
Before the test run, recheck if there is wrong connection. Wrong
·
connection may hinder normal operation or lead to fusing as well as
malfunction.
Perform the test run by emergency button. At the time of pressing the
·
button, the machine begins to operate in cooling mode based on op-
tional mode for 30 minutes. The thermostat will be disabled within the
30 minutes. After the duration, the machine starts emergency operation
in cooling or heating mode at the set temperature of 24℃
Test run shall be performed in the following process.
·
Operation process
Press the emergency button
·
First press of the button enables cooling operation in emergency. After
①
running 30 minutes.
Second press of the button enables heating operation in
②
emergency.
Third press of the button disables the operation.
③
Each press of the emergency button enables the unit to operate
following the order of①→②→
Operation
AREA lamp
mode
emergency
AREA
cooling
emergency
AREA
heating
stop
AREA
NOTE:
In emergency operation AREA setting is not work.
Make sure to receive the signal from the remote controller
After pressing the ON/OFF button of the remote controller, please confirm
whether there is beep from the indoor unit. Then press the button again
to turn off the unit.
Under the control of remote controller, the unit will quit the emergency
operation when receiving the signal from the remote controller.
In order to protect the compressor, the outdoor unit will not be enabled
·
even if the air conditioner restarts three minutes after stopping
operation.
4-4 Notice for users
Based on operating instructions, please describe the way to adjust and
·
control temperature, disassembly of air filter and vertical vane, way of
cleaning and precautions in operation.
5. Relocation and maintenance after installation
5-1 How to install front panel
Set the horizontal vane to position No.3 (page 36) before installing
①
the front panel.
Insert the bottom side of front panel under the horizontal vane.
②
Fix the top of the front panel securely.
③
Press the agraffe of front panel and fix the front panel on the air
④
conditioner.
Tightening torque
kgf cm
·
140-180
200-300
repeatedly.
③
E.O.
SW
5-2 Remove the indoor unit
Pull out the bottom part of indoor unit from the mounting panel.
Loosen two corner parts
As shown below, pull the left and right corner part of indoor unit
downwards and forwards and loosen the hook.
If the above methods can't be adopted
If the above methods can't be adopted, remove the front panel, insert a
hexagon wrench into left and right square hole, then push it upwards.
The hook will be loosened when the indoor unit bottom is pressed.
Hole
5-3 Supply of refrigerant
Connect a gas bottle to the service port of stop valve(three way).
①
Purge the pipe or hose using the refrigerant from the gas bottle.
②
Supply the refrigerant with specified amount during air conditioner
③
operation in cooling mode.
During supply of the refrigerant, don't place the gas bottle upside
·
down, or problems may result.
Connector
Indoor unit
Refrigerant gas
bottle valve
Refrigerant
gas bottle
In order to keep high pressure in gas bottle, heat the bottle with warm
water (40℃) in cold weather. But don't heat it with fire or steam.
Note:
An indoor wiring diagram is stuck inside indoor unit front panel.
①
Outdoor wiring diagram is stuck on outdoor unit electric control box.
②
51
Push
Lower
Note
Stop valve
6.35
Outdoor unit
9.52
Service port
12.7(YK18)-H1
Inflated hose
Inflation(R410A gas)
Spring balance