Remote Controller; Test Run; Before Test Run - Mitsubishi Electric City Multi PCFY-P NKMU-E Serie Manual De Instalación

6. Electrical work
1-3/16 1-3/16
(30) (30)
1-37/64 (46)
Fig. 6-7
B-1. B-2.
Fig. 6-8
Fig. 6-9

7. Test run

7.1. 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 M .
TEST RUN
COOL, HEAT
˚F
˚F
SIMPLE
TEMP.
ON/OFF
MENU ON/OFF
FILTER
BACK MONITOR/SET DAY CHECK TEST
CLOCK OPERATION
PAR-21MAA CLEAR
Fig. 7-1
Fig. 7-1
10
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6.8. Remote controller

in. (mm)
1) Installing procedures
(1) Select an installing position for the remote controller. (Fig. 6-7)
The temperature sensors are located on both remote controller and indoor unit.
Procure the following parts locally:
(2) Seal the service entrance for the remote controller cord with putty to prevent
For installation in the switch box:
A
For direct installation on the wall select one of the following:
B
• Prepare a hole through the wall to pass the remote controller cord (in order to run
the remote controller cord from the back), then seal the hole with putty.
• Run the remote controller cord through the cut-out upper case, then seal the cut-
out notch with putty similarly as above.
B-1. To lead the remote controller cord from the back of the controller:
B-. To run the remote controller cord through the upper portion:
(3) For direct installation on the wall
2) Connecting procedures (Fig. 6-9)
Connect the remote controller cord to the terminal block.
1
A
B
3) Temperature display setting
AB TB6
The initial temperature display setting is °C. Please change the setting to °F. Refer
to "Function selection of remote controller (Section 8)" in the operation manual for
the indoor unit.
4) 2 remote controllers setting
If 2 remote controllers are connected, set one to "Main" and the other to "Sub".
For setting procedures, refer to "Function selection of remote controller" in the op-
eration manual for the indoor unit.
Do not carry out this test on the control wiring (low voltage circuit) termi-
nals.
Do not use the air conditioner if the insulation resistance is less than 1.0 M .
7.2. Test run
ON/OFF button
Using wired remote controller (Fig. 7-1)
Test run display
1 Turn on the power at least 12 hours before the test run.
Indoor temperature liquid line
2 Press the [TEST] button twice.
temperature display
3 Press the [Mode selection] button and switch to the cooling (or heating) mode.
ON/OFF lamp
Power display
4 Press the [Fan speed] button.
Error code display
5 Press the [Air direction button].
Test run remaining time dis-
play
6 Check operation of the outdoor unit fan.
Set temperature button
7 Release test run by pressing the [ON/OFF] button.
Mode selection button
8 Register a telephone number.
Fan speed button
The telephone number of the repair shop, sales office, etc., to contact if an error
TEST button
occurs can be registered in the remote controller. The telephone number will be
Air direction button
displayed when an error occurs. For registration procedures, refer to the opera-
tion manual for the indoor unit.
Note:
• If an error code is displayed on the remote controller or if the air condition-
er 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  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 AVAILA-
BLE" may appear on the remote controller display depending on the indoor
unit model, but this is not a malfunction.
2 piece switch box
Thin copper conduit tube
Lock nuts and bushings
Remote controller profile
A
Required clearances surrounding the remote controller
B
Installation pitch
C
possible invasion of dew drops, water, cockroaches or worms. (Fig. 6-8)
Wall
C
Conduit
D
Lock nut
E
Bushing
F
Switch box
G
Remote controller cord
H
Seal with putty
I
Wood screw
J
To TB5 on the indoor unit
TB6 (No polarity)
Warning:
"TEST RUN" liquid crystal display
Make sure that cold (or warm) wind is blown out.
Make sure that the wind speed is switched.
Check operation of the vane or louver.
Stop