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6-4
SM-16005-rev.2
FIELD WORK INSTRUCTIONS
6.3 Maintenance Work
(1) For Outdoor Unit and Indoor Unit
(a) Fan and Fan Motor
•
Lubrication - All fan motors are pre-lubricated and sealed at the factory. Therefore, no
lubricating maintenance is required.
•
Sound and Vibration - Inspect for abnormal sounds or vibration.
•
Rotation - Check that the fan rotates counterclockwise and inspect the rotating speed.
•
Insulation - Inspect for electrical insulation resistance.
(b) Heat Exchanger
• Clogging - Inspect for any accumulated dirt and dust and remove any at regular intervals. As for
an outdoor unit, other obstacles such as growing grass and pieces of paper, which might interrupt
air flow, should also be removed.
(c) Piping Connection
•
Leakage - Inspect for refrigerant leakage at piping connections.
(d) Cabinet
• Stain and Lubricant - Inspect for any stain or lubricant and remove it, if any.
• Securing Screw - Inspect for loose or missing screws and secure or replace as required.
• Insulation - Inspect for peeling thermal insulation material on the cabinet and repair it, if any.
(e) Electrical Equipment
• Activation - Inspect for abnormal activation of the magnetic contactor, auxiliary relay, or printed
circuit board (PCB).
• Line Condition - Pay attention to working voltage, amperage and phase balance.
Inspect for faulty contact caused by loosened terminal connections, oxidized contacts, foreign
matter, and other items. Inspect for electrical insulation resistance.
(f) Control and Protective Devices
•
Setting - Do not readjust the setting in the field.
(2) For Outdoor Unit Only
(a) Compressor
•
Sound and Vibration - Inspect for abnormal sounds or vibration.
•
Activation - Check that the voltage drop of the power supply line is within 16% at start and within
2% during operation.
(b) Reversing Valve
•
Activation - Inspect for any abnormal activating sound.
(c) Strainer
•
Clogging - Check that there is no temperature difference between the ends.
(d) Ground Wiring
•
Ground Line - Inspect for continuity to the earth ground.
(e) Crankcase Heater
•
Activation - Apply power to the outdoor unit(s) at least 12 hours prior to operation of the system
for preheating of the compressor oil.
(3) For Indoor Unit Only
(a) Air Filter
•
Cleaning - Inspect for, and remove, any accumulated dirt and dust and remove according to the
“Engineering Manual”.
(b) Condensate Pan, Drain-up Mechanism and Condensate Pipe
•
Condensate Line - Inspect and clean the condensate line at least twice a year.
•
Drain-up Mechanism - Inspect for activation of drain-up mechanism.
(c) Float Switch
•
Activation - Inspect for activation of float switch.
Содержание IDM030B21E Series
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Страница 10: ...viii SM 16005 rev 2...
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Страница 15: ...SM 16005 rev 2 1 1 INSTALLATION 1 Installation...
Страница 19: ...SM 16005 rev 2 2 1 OPERATION 2 Operation...
Страница 20: ...2 2 SM 16005 rev 2 OPERATION 2 1 Indoor Unit Refer to the Operation Manual for Ducted Medium Static EconoFresh...
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Страница 23: ...SM 16005 rev 2 3 1 TROUBLESHOOTING 3 Troubleshooting...
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Страница 71: ...SM 16005 rev 2 4 1 MAINTENANCE 4 Maintenance...
Страница 72: ...4 2 SM 16005 rev 2 MAINTENANCE 4 1 Maintenance of Outdoor Unit Refer to the Service Manual for Outdoor Unit...
Страница 89: ...SM 16005 rev 2 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting...
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Страница 131: ...SM 16005 rev 2 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions...
Страница 140: ...6 10 SM 16005 rev 2 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b...
Страница 141: ...SERVICE PARTS LIST SM 16005 rev 2 7 1 7 Service Parts List...
Страница 142: ...SERVICE PARTS LIST 7 2 SM 16005 rev 2 Refer to the Service Parts List for Ducted Medium Static EconoFresh...
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Страница 144: ...2016 Johnson Controls Inc SM 16005 rev 2 Code No LIT 12012293 Revised February 2019...