AHU-KIT
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7.2 Test Operation
Before executing "test operation" as well as before operating the unit, you must check the
following:
(1) Refer to the section of "For the following items, take special care during construction and
check after installation is finished".
(2) Ensure the construction of refrigerant piping, drain piping and electric wiring are finished.
(3) Check everything written in the installation manuals of the outdoor unit, AHU-KIT unit and
the air handling unit.
(4) Open the gas side stop valve.
(5) Open the liquid side stop valve.
(6) Executing the test operation:
(7) Referring to the manuals of the outdoor unit and the air handling unit.
(8) Confirm that the fan of the air handling unit is ON.
7.3 Routine Maintenance
①
Only a qualified service person is allowed to perform maintenance.
②
Before obtaining access to terminal devices, all power supply circuits must be interrupted.
③
Water or detergent may deteriorate the insulation of electronic components and result in burn-out of these
components.
④
Stand at solid table when cleaning the unit.
⑤
Do not clean the unit with hot water whose temperature is higher than 45°C to prevent fade or deformation.
⑥
Clean the filter with a wet cloth dipped in neutral detergent.
⑦
Please contact after-sales service staff if there is abnormal situation.
7.3.1 Maintenance Before the Seasonal Use
(1) Check if the air inlet and air outlet of indoor and outdoor unit are blocked.
(2) Check if securely grounded.
(3) Check if all the power cord and communication cable are securely connected.
(4) Check if any error code displayed after energized.
