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Bosch Climate 5000 Series Ducted Type (Medium & High Static) Air Conditioner / Heat Pump Installation Manual
05.2019 | Bosch Thermotechnology Corp.
Data subject to change
9 Electrical and Gas Leak Checks
9.1 Electrical Safety Checks
After installation, confi rm that all electrical wiring is installed in accordance with
local and national codes / regulations, and according to the Installation Manual. All
testing must be performed by a licensed electrician.
Before test run
Check grounding work
Measure grounding resistance by visual detection and with grounding
resistance tester. Grounding resistance must be less than 0.1Ω.
This may not be required for some locations. Refer to local code
requirements.
During test run
Check for electrical leakage
During the Test Run , use an electroprobe and multimeter to perform a
comprehensive electrical leakage test. If electrical leakage is detected,
turn off the unit immediately and call a licensed electrician to find and
resolve the cause of the leakage.
This may not be required for some locations in the US.
WARNING: Risk of electric shock
All wiring must comply with local and national electrical
codes, and must be installed by a licensed electrician.
9.2 Gas Leak Checks
There are two diff erent methods to check for gas leaks.
Soap and Water Method
Using a soft brush, apply soapy water or liquid detergent to all pipe connection
points on the indoor unit and outdoor unit. The presence of bubbles indicates a
leak.
Leak Detector Method
If using a leak detector, refer to the device’s operation manual for proper usage
instructions.
After confi rming that all pipe connection points DO NOT leak, replace the valve
cover on the outside unit.
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