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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
Bosch 18 SEER2 Series Inverter Ducted Packaged Heat Pump - BTC 761703103 A (11.2022)
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)
Online Help Resources
Alternatively, please visit our Service & Support webpage to fi nd FAQs, videos,
service bulletins, and more;
www.boschheatingcooling.com/service
cellphone to scan the code below.
Installation Instructions
or use your
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Troubleshooting
