HuRay HI-DELTA 2342ACE, Инструкция по установке и обслуживанию

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HANDLING MANUAL SERVICE MANUAL
RAYPAK HI DELTA BOILERS/WATER HEATERS
WITH FAN ASSISTED PREMIX BURNERS
57
4.3. FIRST STARTING OF THE APPLIANCE
!
The handling of the appliance is detailed in the
2
nd chapter at 2.1., 2.2., 2.3., 2.4. and 2.5. First
starting of the appliance is allowed to be
executed by an authorized service only.
Remove the side cover of the electric control box on the
middle and the two panels on the left and right sides of
the upper front of the appliance to reach the gas valves
and the blowers!
4.3.1. Checking the gas supply pressure
- Close the gas cock leading to the appliance!
- Check if the appliance is adjusted to the gas type
supplied!
- The double seated “class A” combined gas valves
are branched from the upper gas manifold parallel
to each other. There is a gas pressure tap located
upstream of each gas valve. Select one of them
and connect a manometer!
- While the appliance is turned off, open the gas
cock leading to it!
- Check if the inlet gas pressure does not exceed the
nominal value allowed for the supplied gas type!
Adjust the external gas pressure regulator leading
to the appliance when needed! (It is not included
in the shipping content of the appliance.)
!
The supply pressure measured at the inlet of
the gas valves shall never exceed 200 mbar!
Exceeding gas pressures can damage the gas
valves.
- The inlet gas pressure shall be checked again
when all burner stages are operating! The
reading must not be less than 17 mbar for
natural gas or 38 mbar for Propane and
Propane-Butane in any case! There is a low gas
pressure for controlling inlet gas pressure built
on one of the gas valves. It must be adjusted to
15 mbar for natural gas or 36 mbar for Propane
and Propane-Butane!
- After measuring is finished, close the pressure
tap carefully. Check for gas leakage and stop it!