Technical data

0803UDSA-2GBEN, Pag. 31/36
21. Operating
gas valve
Figure 22
Gas valve
(UDSA models 008-2 - 030-2)
Figure 23
Gas valve
(UDSA models 035-2 - 100-2)
WARNING: The operating
valve is the prime safety
shutoff. All gas supply lines
must be free of dirt or scale
before connecting to the
unit to ensure correct
sealing.
UDSA models 035-2 - 100-2
(Rotation counter clockwise from motor shaft end)
Figure 21
binnenmaat
The main operating quick opening gas valve is powered through the thermostat
and safety controls. The main control valve is of the diaphragm type providing
regulated gas flow and is preset at the factory. The gas valve requires no field
maintenance except careful removal of external dirt accumulation and checking of
wiring connections. Instructions for testing pressure settings are in section 12.
8mm
Venter motor
plate
Venter
wheel
Motor cooling
fan
Motor mounting
bracket
8 mm