Mitsubishi PUMY-125VM Скачать руководство пользователя страница 58

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Operation procedure

Turn on the main power supply the all units at least 12 hrs. before test run. ”HO” appears on display panel for 3 min.

12 hrs later, press TEST RUN button twice to perform test run. “TEST RUN “ appears on display panel.

Press OPERATION SWITCH button to make sure that air blows out.

Select Cooling (or Heating) by OPERATION SWITCH button to make sure that cool (or warm) air blow out.

Press Fan speed button to make sure that fan speed in changed by the button.

Press AIR DIRECTION button or LOUVER button to make sure that air direction is adjustable(horizontal, downward, upward, and each angle).

Check outdoor fans for normal operation.

Check interlocked devices (like ventilator) for normal operation, if any. This is the end of test run operation.

Press ON/OFF button to stop and cancel test run.

NOTE 1 : If error code appears on remote controller or remote controller malfunction , refer to “ 8-1-3 Countermeasures for Error During Run”

on page 61.

NOTE 2 : During test run operation 2-hours off timer activates automatically and remaining time is on remote controller and test run stops 2 later.

NOTE 3 : During test run, the indoor liquid pipe temperature is displayed on remote controller instead of room temperature.

NOTE 4 : Depend on a model, “This function is not available” is appears when air direction button is pressed, however, this is not malfunction.

8-1. CHECK POINTS FOR TEST RUN

8-1-1. Procedures of test run

(1) Before test run, make sure that following work is completed.

• Installation related :

Make sure that the panel of cassette type and electrical wiring is done.
Otherwise electrical functions like auto vane will not operate normally.

• Piping related :

Perform leakage test of refrigerant and drain piping.
Make sure that all joints are perfectly insulated.
Check stop valves on both liquid and gas side for full open.

• Electrical wiring related :

Check ground wire, transmission cable, remote controller cable, and power supply cable for secure connection.
Make sure that all switch settings of address or adjustments for special specification systems are correctly settled.

(2) Safety check :

With the insulation tester of 500V, inspect the insulation resistance.
Do not touch the transmission cable and remote controller cable with the tester.
The resistance should be over 1.0 M

Ω

. Do not proceed inspection if the resistance in under 1.0 M

Ω

Inspect between the outdoor unit power supply terminal block and ground first, metallic parts like refrigerant pipes or the electrical box next,
then inspect all electrical wiring of outdoor unit, indoor unit, and all linked equipment .

(3) Before operation :

a) Turn the power supply switch of the outdoor unit to on for compressor protection. For a test run, wait at least 12 hours from this point.
b) Register control systems into remote controller(s). Never touch the on/ off switch of the remote controller(s). Refer to “ 8-1-2 M-NET

Remote Controller Settings” on page 59 as for settings . In MA remote controller(s), this registration is unnecessary.

(4) More than 12 hours later form power supply to the outdoor unit, turn all power switch to on for test run. Perform test run according to the

“Operation procedure” table of the bottom of this page. While test running, make test run reports .

(5) When you deliver the unit after test run, instruct the end user for proper usage of the system using owners’ manual and the test run report

you made to certificate normal operation. If abnormalities are detected during test run, refer to “ 8-1-3 Countermeasures for Error During
Test Run” on page 61. As for DIP switch setting of outdoor unit, refer to” 8-5. INTERNAL SWITCH FUNCTION TABLE” on page 84.

PAR-20MAA

ON/OFF

TEST RUN

˚C

1Hr.

FILTER

CHECK TEST

TEMP.

TIMER SET

Check code indicator (see NOTE 1)
Test run remaining time indicator (see NOTE 3)

Display panel

ON/OFF button