Panasonic U-72MF2U9 Service Manual page 158

3. Remote Controller Servicing Functions
<Procedure of CZ-RTC4>
Operates the unit with the thermostat forced ON.
1 Press and hold the
longer.
2 " " appears on the remote controller LCD
display (Fig. 16).
3 Press the
• The temperature cannot be adjusted in Test Run mode.
(This mode places a heavy load on the machines.
Therefore use it only when performing the test run.)
1
• The test run can be performed using the HEAT, COOL,
or FAN operation modes.
2
• If correct operation is not possible, an error code is
displayed on the remote controller LCD display.
4 Press the
3
• To prevent continuous test runs, this remote controller includes a timer function that cancels the test run after
60 minutes.
• The operation is possible even if the cassette-type ceiling panel has not been installed.
("P09" display does not occur.)
4
5
6
7
8
9
button for 4 seconds or
button to start the test run.
The outdoor units will not operate for
approximately 3 minutes after the power
is turned ON and after operation is stopped.
button to return to normal remote controller display.
1 4
4 - 36
3WAY VRF SYSTEM
Remote Controller Functions
°
°
A
CZ-RTC4
Fig. 16
2
3