Operating Test - Carrier XPower 40DQV Installation Manual

Operating test

Operating test using CRC
• Carry out the operating test once the
system has been installed and tested for
leaks.
• Check all electrical
(instructions and diagrams).
• Connect to the mains electricity and
switch on.
• Press the following
succession within 6 seconds: DOWN -
FAN - UP - FAN - MODE.
(N.B.: the CRC control must remain off.)
The display shows the symbol "Sr".
When "operating test" mode is selected,
the unit begins operating as follows:
• The internal fan works on low speed.
• The system begins operating in cooling
mode at a fixed compressor frequency for
approximately 3 minutes.
• The system stops for 3 minutes.
• The system begins operating in heating
mode at a fixed compressor frequency for
approximately 3 minutes or until it reaches
an internal heat exchanger temperature of
40° C.
In "cooling or heating" mode, check the
following:
1. The difference between indoor ambient
temperature and indoor unit air outlet
temperature must be greater than 3° C.
2. The internal fan must work on low
speed.
3. The system must not signal any
malfunction.
If any of the above conditions is lacking,
check the system is installed properly.
• At the end of testing, press the button
to exit the test function.
GB-22
Note: After 30 minutes, if no other button is
pressed, the CRC automatically exits from
the operating test menu and reverts to
normal operation.
connections
Operating test using the INFRARED
REMOTE KIT
• Carry out the operating test once the
buttons in system has been installed and tested for
leaks.
• Check
(instructions and diagrams).
• Insert the batteries in the remote control
and leave it OFF.
• Connect to the mains electricity and
switch on.
• Press and hold the buttons
the
5 seconds.
The display will appear without symbols
and the time section will show the symbol
(Src = service test).
When "operating test" mode is selected,
the unit begins operating as follows:
• Green LED (P) and yellow LED (R) flash
every 2 seconds.
• The internal fan works on low speed.
• The system begins operating in cooling
mode at a fixed compressor frequency for
approximately 3 minutes.
• The system stops for 3 minutes.
• The system begins operating in heating
mode at a fixed compressor frequency for
approximately 3 minutes or until it reaches
an internal heat exchanger temperature of
40° C.
In "cooling or heating" mode, check the
following:
1. The difference between indoor ambient
temperature and indoor unit air outlet
temperature must be greater than 3° C.
all electrical
remote control for
connections
and on
more than