baltur GI MIST 1000 DSPGM Instruction Manual page 64

BASIC DIAGRAM OF GAS TRAIN
LIMITS ON BALTUR SUPPLY
LIMITS ON BALTUR SUPPLY
1 MODULATION SERVOMOTOR
2 DISC WITH SCREWS FOR ADJUSTING THE AIR/GAS OUTPUT
3 VALVE SEAL CONTROL DEVICE AND PRESSURE SWITCH (LDU)
4 GAS VALVES FOR MAIN FLAME
5 MINIMUM AND MAXIMUM GAS PRESSURE SWITCH PILOT
RAMP
6 GAS SUPPLY MODULATING CONTROL BUTTERFLY VALVE
7 GAS PRESSURE CONTROL WITH BUILT-IN FILTER
8 ANTI-VIBRATION JOINT
9 Ball cock
10 GAS FILTER
11 DISK WITH ADJUSTMENT SCREWS FOR OPENING AND
CLOSING AIR SUPPLY REGULATION TO HEAD
DETAIL OF THROTTLE VALVE FOR GAS FLOW REGULATION
1 Gas butterfly valve position reference index
2 Gas butterfly valve
3 The notch on the shaft end shows the position of the
butterfly valve (air shutter)
4 Micro control cam for gas valve minimum position
5 Microswitch
12 IGNITION FLAME SAFETY GAS VALVE (PILOT)
13 OPERATING GAS VALVE WITH PRESSURE REGULATOR
14 SAFETY GAS VALVE
15 IGNITION FLAME MAIN GAS VALVE (PILOT) WITH FLOW
RATE REGULATOR
16 AIR PRESSURE SWITCH
17 MAIN RAMP MAXIMUM GAS PRESSURE SWITCH
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