Test Run; Before Test Run - Mitsubishi Electric CITY MULTI PMFY-P-20-VBM-E Para El Instalador

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. Installing the grille
6. Test run
6.1. Before test run
► After completing installation and the wiring and piping of the indoor and
outdoor units, check for refrigerant leakage, looseness in the power sup-
ply or control wiring, wrong polarity, and no disconnection of 1 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.

TEST RUN

COOL, HEAT
°C
°C
SIMPLE
TEMP.
ON/OFF
MENU
ON/OFF
FILTER
BACK
MONITOR/SET
DAY
CHECK
PAR-21MAA
CLOCK
OPERATION
CLEAR
Fig. 6-1
Note:
• If an error code is displayed on the remote controller or if the air conditioner does not operate properly, refer to the outdoor unit installation manual or other
technical materials.
• The OFF timer is set for the test run to automatically stop after 2 hours.
• During the test run, the time remaining is shown in the time display.
• During the test run, the temperature of the indoor unit refrigerant pipes is shown in the room temperature display of the remote controller.
• When the VANE or LOUVER button is pressed, the message "NOT AVAILABLE" may appear on the remote controller display depending on the indoor unit
model, but this is not a malfunction.
Fig. 5-6
A ON/OFF button
B Test run display
C Liquid pipe (Indoor unit)
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
TEST
M TEST button
N Fan Speed button
O Louver button
5.4. Checks after installing (Fig. 5-6)
• Check that there are no gaps between the indoor unit and the front panel, be-
tween the front panel and the ceiling surface. If there are gaps, the wind may
come in and condensation may result.
• Check that the air filter is in place.
A Ceiling surface
B Indoor unit
C Grille
D No gaps here
► 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.
6.2. Test run
Using wired remote controller (Fig. 6-1)
1 Turn on the power at least 12 hours before the test run.
2 Press the [TEST] button twice.
3 Press the [Mode selection] button and switch to the cooling (or heating) mode.
Make sure that cold (or warm) wind is blown out.
4 Press the [Fan speed] button.
5 Press the [Air direction button] or [Louver button].
Check operation of the vane or louver.
6 Check operation of the outdoor unit fan.
7 Release test run by pressing the [ON/OFF] button.
8 Register a telephone number.
The telephone number of the repair shop, sales office, etc., to contact if an error
occurs can be registered in the remote controller. The telephone number will be
displayed when an error occurs. For registration procedures, refer to the opera-
tion manual for the indoor unit.
"TEST RUN" liquid crystal display
Make sure that the wind speed is switched.
Stop


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