Items To Check Before The Test Run; Test Run Using The Remote Controller - Panasonic U-26PE1U6 Technical Data & Service Manual

6-4. Items to Check Before the Test Run

(1) Turn the breaker ON at least 12 hours in advance in order to energize the crankcase heater.
(2) Fully open the closed valves on the liquid tube and gas tube sides.

6-5. Test Run Using the Remote Controller

<Procedure of CZ-RTC2>
(1) Press and hold the remote controller
Then press the
• "TEST" appears in the LCD display during the test run.
• Temperature control is not possible when test run mode is engaged.
(This mode places a large load on the devices.
Use it only when performing the test run.)
(2) Use either Heating or Cooling mode to perform the test run.
Note: The outdoor unit will not operate for approximately 3 minutes
after the power is turned ON or after it stops operating.
(3) If normal operation is not possible, a code appears on the remote controller LCD display.
Refer to the "Table of Self-Diagnostic Functions and Corrections" on the next page, and correct the problem.
(4) After the test run is completed, press the
(This remote controller includes a function that cancels test run mode after 60 minutes have elapsed, in order to
prevent continuous test run operation.)
(5) For the test run of an inverter outdoor unit, operate the compressors for a minimum of 10 minutes.
* When performing a test run using a wired remote controller, operation is possible without attaching the
cassette-type ceiling panel. ("P09" will not be displayed.)
<Procedure of CZ-RTC3 / CZ-RTC5>
Keep pressing the
1.
buttons simultaneously for 4 or more seconds.
The "Maintenance func" screen appears on the
LCD display.
Maintenance func
1. Outdoor unit error data
2. Service contact
3. RC setting mode
4.Test run
Sel.
2. Press the
If you wish to see the next screen instantly, press
the or
Select "4. Test run" on the LCD display and press
the button.
Maintenance func
1. Outdoor unit error data
2. Service contact
3. RC setting mode
4.Test run
Sel.
Change the display from OFF to ON by pressing
the or
button.
Test run
6
Change
button for 4 seconds or longer.
button.
, and
20:30 (THU)
Page [ ] Confirm
or button to see each menu.
button.
20:30 (THU)
Page [ ] Confirm
button. Then press the
20:30 (THU)
Test run
ON
[ ] Confirm
button again. Check that "TEST" disappears from the LCD display.
Press the
3.
on the LCD display.
Press the
4.
Test run setting mode screen appears on the LCD
display.
6-4
CZ-RTC2
20:30 (THU)
[ ] START
CZ-RTC3 / CZ-RTC5
button. "TEST" will be displayed
20:30 (THU)
TEST
[ ] START
button. Test run will be started.
20:30 (THU)
TEST
MODE
COOL
6. Test run