Panasonic YD-350FD2 Operating Instructions Manual page 15

4.3 connections& operations of the cooling system
● Precautions when adding coolant
When adding or replenishing coolant, please proceed from the front [coolant supply port
When adding coolant, the power switch and the switch of power distribution box must be turned off
NOTE: it may cause faults once there is coolant splashing on the power supply or this product. Wipe the liquid drop
immediately
1. Replace the coolant after the temperature drops.
2. Do not touch the hose plug during operation
3. Check and maintain after confirming the temperature drop.
●Connection
（1） Connection for coolant outlet
Connect the water outlet cable on the wire feeder to the coolant outlet.
（2） Coolant inlet connection
Connect the return water cable on the wire feeder to the coolant outlet
●Operation confirmation
1） Confirmation before operation
（
In order to avoid idling, it is necessary to confirm whether the connections are reliable and whether the
liquid level of the coolant tank is above the minimum level line.
NOTE: Air transfer will cause pump failure.
（2） Confirmation in operation
After turning on the power switch, make sure that there is cooling air blowing out from the side panel of the
liquid cooling system. Otherwise, the power supply should be disconnected immediately to find out the cause.
（3） Operation sequence
・ Turn on the power supply of the welding machine, the water pump and fan start to run, and the coolant
circulates in the welding gun.
NOTE: For the first time, it takes about 10 seconds from the start of pump operation to the completion of the
first water circulation.
（ It varies according to the length of the waterway ）。
・ Due to the long pipeline, it takes up more coolant. If the coolant level is below the lower limit (min), stop
the operation for coolant replenishment, and add the coolant to the position above the min.
・ At the end of the operation, the power should be turned off after the welding gun has cooled down
sufficiently.
・ When the welding machine is standby for more than 7 minutes, the coolant circulation device will
automatically stop running and enter the power saving mode. When the welding gun switch is pressed
again, the cooling liquid circulating device will run again.
Configuration
Contact with live parts will cause fatal electric shock. To avoid casualty
accident, please observe the following precautions
In the process of coolant replacement,
please insert the exhaust connector at
the coolant outlet. After the coolant is
filled, please pull out the exhaust
connector in time.
connection is suspended near the
coolant outlet.
To avoid injury, please observe the following rules
When the temperature of the coolant increases during operation, the
exchange of coolant should be conducted after the temperature drops
exhaust
connector
The exhaust
.
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