1
5. Electrical work
6. Test run
Fig. 6-1
Fig. 6-
A
ON/OFF button
B
Test run display
C
Indoor temperature liquid pipe
temperature display
D
ON/OFF lamp
E
Power display
F
Error code display
Test run remaining time display
G
Set temperature button
H
Mode selection button
I
Air direction button
M
TEST button
N
Fan Speed button
O
Louver button
6.. Test run
The following 3 methods are available.
6.2.1. Using wired remote controller (Fig. 6-1)
Turn on the power at least 12 hours before the test run.
Press the [TEST] button twice. “TEST RUN” liquid crystal display
Press the [Mode selection] button and switch to the cooling (or heating) mode.
Make sure that cold (or warm) wind is blown out.
Press the [Fan speed] button. Make sure that the wind speed is switched.
Press the [Air direction button] or [Louver button].
Check operation of the vane or louver.
Check operation of the outdoor unit fan.
Release test run by pressing the [ON/OFF] button. Stop
Register a telephone number.
The telephone number of the repair shop, sales office, etc., to contact if an er
-
ror occurs can be registered in the remote controller. The telephone number
will be displayed when an error occurs. For registration procedures, refer to the
operation manual for the indoor unit.
6.2.2. Using wireless remote controller (Fig. 6-2)
Turn on the power to the unit at least 12 hours before the test run.
Press the
button twice continuously.
(Start this operation from the status of remote controller display turned off.)
and current operation mode are displayed.
Press the
button to activate
mode, then check wheth-
er cool air is blown out from the unit.
Press the
button to activate
mode, then check wheth-
er warm air is blown out from the unit.
Press the
button and check whether fan speed changes.
Press the
button and check whether the auto vane operates properly.
Press the ON/OFF button to stop the test run.
Note:
• Point the remote controller towards the indoor unit receiver while following
steps
to
.
• It is not possible to run the TEST RUN in FAN, DRY or AUTO mode.
5.4.2 Examples of Available System Settings
The following table shows the examples of available system settings.
No.
System
System diagram
Remarks
1
Connecting MA remote con-
troller directly to indoor unit
The contents that appear on the displays
may differ between the MA remote control-
ler that is connected to the indoor unit and
the MA remote controller that is connected
to the interface unit.
<Examples>
• Fan speed
• Filter sign
2
Using wireless remote con-
troller on indoor unit
Outdoor unit
Indoor unit
Interface (MAC-397IF-E)
MA remote controller (PAR-21MAA)
Wireless remote controller
Connect terminal of MA remote controller
each other.
: Refrigerant address “0”
: Refrigerant address “1”
: Refrigerant address “2”
: Refrigerant address “3”
6.1. Before test run
► After completing installation and the wiring and piping of the indoor and out
-
door units, check for refrigerant leakage, looseness in the power supply or
control wiring, wrong polarity, and no disconnection of one phase in the supply.
► Use a 500-volt megohmmeter to check that the resistance between the
power supply terminals and ground is at least 1.0 MΩ.
► Do not carry out this test on the control wiring (low voltage circuit) termi
-
nals.
Warning:
Do not use the air conditioner if the insulation resistance is less than 1.0 MΩ.
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