Maintenance - Carrier 40TGF UP Series Installation Manual

Signal receiving unit
1
When TEMPORARY button is pushed for 10
seconds or more, "Pi!" sound is heard and
the operation changes to a forced cooling
operation. After approx. 3 minutes, a cooling
operation starts forcedly.
Check cool air starts blowing. If the
operation does not start, check wiring again.
2
To stop a test operation, push TEMPORARY
button once again (Approx. 1 second).
Check wiring / piping of the indoor and outdoor
units in forced cooling operation.
TEMPORARY
button
Wirless signal
receiving unit of
ceiling panel
Wired remote controller
1,5
1
Procedure
Keep button pushed for 4 seconds or more. [TEST]
is displayed on the display part and the selection of
mode in the test mode is permitted.
2
Procedure
Push button.
39-EN
3
Procedure
Using button, select the operation mode,
[COOL].
Do not run the air conditioner in a mode other than
[COOL].
The temperature controlling function does not work
during test run.
The detection of error is performed as usual.
4
Procedure
After the test run, push button to stop a test
run.
1
(Display part is same as procedure .)
5
Procedure
Push check button to cancel (release from) the test
run mode.
([TEST] disappears on the display and the status
returns to a normal.)
2, 4
3
10

Maintenance

The fan is running for self cleaning maintenance after
running the cooling or dry mode. Terminate the self
cleaning mode forcibly when maintaining the air
conditioner.
Before maintenance, be sure to turn off the
circuit breaker.
Cleaning air filter
If is displayed on the wired remote controller,
maintain the air filter.
Clogging of the air filter reduce cooling / heating
performance.
Cleaning panel and air filter
Preparation:
1
Turn off the air conditioner by the remote
controller.
2
Open the air intake grille.
Slide the button of the air intake grille inward, and
open the air intake grille slowly while holding it.
air intake grille
Knob
– 20 –
Cleaning air filters
If the air filters are not cleaned, it not only reduce the
cooling a performance of air conditioner but causes a
failure in the air conditioner such as water falling in
drops.
Preparation:
1
Stop the operation by remote controller.
2
Dismount the air filter.
Strap to
prevent falling
Air filter
Use a vacuum cleaner to remove dust from the
filters or wash them with water.
After rinsing the air filters with water, dry them in the
shade.
Set the air filter into the air conditioner.
Clean the panel and air filter with water:
Wipe down the panel and air filter with a sponge or
towel moistened with a kitchen detergent.
(Do not use any metallic brush for cleaning.)
Carefully rinse the panel and air filter to wash out
the detergent.
After rinsing the panel and air filter with water,
dry it in the shade.
EN
EN
ID
40-EN