Leak testing
When leak testing, verify that the area is correctly ventilated. Failure to do so can result in
suffocation.
Electrical shock cautions
Do not touch the control panel with wet hands. This can cause electric shock. Do not touch the
wiring in the control panel.
Do not touch any part other than the control panel of the machine and the valves described in the
operating manual. This can cause a problem and injury.
Only apply the specified source voltage. Application of a different voltage can cause a fire and
electric shock.
Only weld in certain circumstances. If welding is done, be careful not to compromise the integrity of
the vessel. Before welding, be certain that the electrical system is grounded correctly.
Do not splash water over the machine and its control panel; this can cause an electric shock.
A warning label for electric shock is pasted at the control panel, solution pump, refrigerant pump,
and the terminal box of the vacuum pump motor. Before opening the terminal box, stop the chiller
and turn OFF the main circuit breaker (MCCB).
YHAU-C Single Effect Steam-Fired Absorption Chiller28