Trobleshooting Guide; Troubleshooting Guide - Fujitsu WPYA100LA Service Manual

Air to water heat pump, monobloc type
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FOR YOUR SAFETY USE
For the safety and proper use and handling of the product, please read and follow the instructions carefully.
The meaning of the marks below are as follows.
Danger
Improper use will cause the significant risk of death or serious injury of the user.
Warning
Improper use may cause the risk of death or serious injury of the user.
Please refer the marks below.
Caution
Strict enforcement
If leakage of refrigerant occur in the installation, ventilate a room.
If the leaked refrigerant is exposed fire, poisonous gas may be generated.
Boosting capacitor make the control box assembly high voltage.
Make the capacitor discharge enough when servicing. Otherwise will be struck by elec-
tricity.
Never remodel appliance.
Use designated parts or accessories to avoid accidents.
Check
Point
In case of gas leakage, not only refill the required amount of the refrigerant gas but also
find out the gas leakage point and mend it. If the service work has to be suspended
before mending the leakage points, be sure to collect the refrigerant gas in the unit by
using pump then fasten the service ports to avoid any further leakage. Poisonous gas
may be generated when the leaked refrigerant is exposed to fire.
Be sure to change the cable if it is damaged.
Do not use damaged cable.
Do not use power supply cord extended or connected in halfway.
Be sure to put the units to earthing works.
Check
Point
Be sure to check the insulated resistance, more than 1M Ω.

TROUBLESHOOTING GUIDE

High Voltage
Connect the earthing cable
Danger
Warning
– 6 –
Prohibited

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Wpya080la

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