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2-9. Test Run Procedure
If there are duplicated system addresses, or if the
settings for the Nos. of the indoor units are not
consistent, an alarm will occur and the system will
not start.
Switch the power supply ON both indoor and
outdoor unit.
Short-circuit CHK pin on the outdoor main PCB.
Do not remove CHK pin until test run is completed.
Removing CHK pin stops test run.
Short-circuit RUN pin on the outdoor main PCB
for one second or longer.
Factory setting is cooling operation mode and
cooling operation test run starts.
If heating operation starts, short-circuit both right
side and centre of the MODE pin (centre and
COOL) continuously.
Ensure to conduct a test run. In addition, be sure
to run the cooling operation test run for at least
20 minutes before starting the heating operation
test run.
To conduct heating operation test run, short-circuit
left side and centre of the MODE pin (centre and
HEAT) continuously.
Removing CHK pin’s and MODE pin’s short-circuit
stops test run.
For the test run using remote controller, please
see installation instructions included with the
remote controller.
2-10. CHECKS AFTER INSTALLATION HAVE COMPLETED
2-11. REGARDING DELIVERY TO THE CUSTOMER
Check the following items after completing installation.
Request the customer to review the operating instructions and explain the operating method for the product.
In addition, it is also recommended that regular inspection checks are agreed upon for maintenance.
Is there a short circuit with the intake air flow?
Is the insulation secure? (Refrigerant tubing)
Are there any errors with the wiring?
Are the terminal screws loose? Tightening torque (Unit: N•m {k
g
f•cm})
M4...1.57~1.96{16~20}, M5...1.96~2.45{20~25}
Is the drain water flowing smoothly?
Is the insulation material properly installed?
Is the earth wire securely connected?
Is the front panel and the indoor unit air conditioner firmly fixed and was the installation completed without any leakage from
the refrigerant?
Are the indoor and outdoor units secured firmly installed with bolts at secured locations?
User inspection places
Serviceman inspection
places
• Filter and grill cleaning
• Exterior cleaning
• Check the operating status
• Clean the drain pan or things related to the water discharge
• Heat exchanger cleaning
Outdoor Units
Outdoor main PCB
LED1
CHK pin
PUMPDOWN
RUN pin
MODE pin
*MODE pin: factory setting is cooling operation
mode.
LED2
SM830276-00_欧州向け R32シングル TD&SM.indb 14
19/02/28 13:23:00
Содержание S-50PU2E5B
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