PEM SprayWand P-500, Руководство пользователя

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12 | P a g e
To further ensure machine grounding, a separate external grounding lug has
been provided. It is located below the nameplate. In certain areas, it is either
recommended or required that a separate ground wire be attached to this lug
and to an available ground source, such as a metal water line or ground rod (see
Figure 2).
Figure 2: Ground
The electrical supply must be connected directly to the electrical service supply
box on the machine. Electrical connection and supply for these machines must
be made by a licensed electrician and must conform to all federal, state and
local codes and ordnances regarding three-phase electrical requirements.
Mechanical (gas) service
Have a HVAC expert set up gas connections.
Burner fuel pressure
Adjust the pressure to the type of burner fuel as follows:
Natural gas-fired machines:
Operate on 3 ½” of water column (2 oz.) pressure at the valve
and must have from 7” to 9” water column (3.5 to 4 oz.)
pressure supplied to the unit at the inlet. The water column
check points are as follows:
Check the water column pressure at the valve with the burner
operating. The most accurate way to check gas pressure is to
install a manometer in the 1/8” N.P.T port on the front face of
the gas shutoff valve.