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13. ADJUSTING THE GAS VALVES
POWER HT models 1. 850 and 1.1000 have a single gas valve ( gure 12 a).
POWER HT models 1. 1200 and 1.1500 have a double gas valve ( gure 12 b).
gas nozzle
mixer
ISTRUCTIONS PERTAINING TO THE INSTALLER
hydroheat.com.au
gas nozzle
Figure 12a
gas manifold
25
LEGEND:
Pi:
Gas supply pressure
connection point
P out: Pressure connection point for
measurement of the OFFSET
V:
Gas flow adjuster screw
K:
OFFSET adjuster screw
Figure 12b
910.026.1 - EN (AUS)
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