7
Leading by professional
1. Make sure the gas type before use
Must use the certain gas type and pressure of gas
appointed by the label on the machine.
Forbid to change the gas type willingly. If it is
necessary to change, please contact our after-sales
service department.
2. Make sure the voltage (230V)
Voltage is 230V/50hz, alternating current.
After confirm the voltage, connect the plug. (voltage
is required 230V±15%. the subscriber had better
allocate a manostat if pressure is unstable)
3. Use
Except heating and D.H.W., gas boiler can’t be
used in other ways.
4. Check the switch for gas before use
Check the middle switch connected on the gas pipe
to see if there is leakage.
Ensure whether pressure of gas and flow volume of
gas supply meet requirement of our product.
5. Make sure the connecting state of the valve
for heating.
Make sure whether the valves for connecting the
heater and cooling systems of each room are open or
not.
Parallel—connect pipe could not be operated less
than one group cooling valve opening.
items for safety
important items for safety!
