(Cleaning Indoor Unit Heat Exchanger)
MAINTENANCE
4-42
SM-18001-rev.1
Step
Procedure
Required Tool
8
Cleaning with Clean Water
Nozzle
Spray
Pump
Hose
Bucket
* Water Tank
* Pump
* Washer
Insert the nozzle into the hole of the cleaning water
collector. Operate the pump, wash the dust off on
the fins with clean water thoroughly. If the cleaning
agent is left on the fins, it may cause corrosion.
Adjust the pressure of the spray at approximately 36
to 71 psi (2.5 to 5.0 kg/cm
2
) so as not to crush the
fins and direct the nozzle in a straight line toward the
fins.
9
Make sure that there are no drops of water left after cleaning the fins and
reassemble the fan assembly and the condensate pan.
* Screwdriver
* Hexagon Wrench
10
Measure the condition of insulation of the condensate pump with a megohm-
meter tester. (Check to ensure that the resistance is bigger than 1 MΩ at 500V.)
11
Connect the electrical wiring as it was and attach the removed parts.
* Screwdriver
12
Neutralization Treatment after Cleaning
The cleaning agent specified in Section 4.3.1, is of neutral type.
However, the cleaning water after cleaning may be not neutral due to dust or other
foreign particles. Collect all cleaning water and make necessary neutralization for
the cleaning water.
Содержание HIDS006B21S
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Страница 10: ...viii SM 18001 rev 1...
Страница 15: ...SM 18001 rev 1 1 1 INSTALLATION 1 Installation...
Страница 19: ...SM 18001 rev 1 2 1 OPERATION 2 Operation...
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Страница 23: ...SM 18001 rev 1 3 1 TROUBLESHOOTING 3 Troubleshooting...
Страница 75: ...MAINTENANCE SM 18001 rev 1 4 1 4 Maintenance...
Страница 76: ...MAINTENANCE 4 2 SM 18001 rev 1 4 1 Maintenance of Outdoor Unit Refer to the Service Manual for Outdoor Unit...
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Страница 131: ...SM 18001 rev 1 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting...
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Страница 173: ...SM 18001 rev 1 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions...
Страница 182: ...6 10 SM 18001 rev 1 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b...
Страница 183: ...SERVICE PARTS LIST SM 18001 rev 1 7 1 7 Service Parts List...
Страница 184: ...SERVICE PARTS LIST 7 2 SM 18001 rev 1 Refer to the Service Parts List for Ducted High Static Medium Static and Slim...
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Страница 186: ...2018 Johnson Controls Inc SM 18001 rev 1 Code No LIT 12013047 Revised February 2019...