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Installation & Operation Manual
14 Maintenance
For continuing high performance and to minimize possible
equipment failure, periodic maintenance must be performed on
this equipment.
14.1 Cleaning Precautions
WARNING:
Any unit repairs must be performed by qualified
service personnel only.
WARNING: ELECTRICAL SHOCK
Always turn off your heat pump and disconnect its
power supply before cleaning or maintenance.
CAUTION:
When removing filter, do not touch metal parts in the
unit. The sharp metal edges can cut you.
NOTICE:
Do not use chemicals or chemically treated cloths to
clean the unit .
Do not use benzene, paint thinner, polishing powder
or other solvents to clean the unit.
Do not operate the system without a filter in place
BTC 761701311 C | 04.2020
Bosch Inverter Ducted Packaged Heat Pump 3 Ton | 39
14.2 Regular Maintenance
Your heat pump must be inspected regularly by a qualifi ed service
technician.
1.
Inspect the air fi lter every ninety days or as often as needed. If
blocked or obstructed, clean or replace at once.
Your annual system inspection must include:
2.
Inspection and/or cleaning of the blower wheel housing and motor.
3.
Inspection and cleaning of indoor and outdoor coils as required.
4.
Inspection and/or cleaning of the indoor coil drain pan and drain
lines, as well as auxiliary drain pan and lines.
5.
Check all electrical wiring and connections. Correct as needed,
referring to the wiring diagram. (Refer to Figure 54)
Data subject to change
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