PART I: SPE
CIFICA
TIONS
11
HR91A - HR92A - HR93A
Fig. 4 - 3I2MG-09 v1
Hydraulic diagram
PS
PSH
PSL
M
PS
M
M
PS
PI
PI
PS
PSH
PSL
42
oil inlet
oil outlet
gas inlet
combustion air
BY BURNER CONSTRUCTOR
BY OTHERS
According to the gas train size and the burner type, MB-DLE
safety valves are supplied. In this case, the item 42 is inte-
grated in the valves. See the following drawing.
LEGEND
POS
OIL TRAIN
1
Filter
2
Flexible hose
3
Pump and pressure governor
4
Electrical motor
5
Flexible hose
6
Solenoid valve
6.1
Solenoid valve
7
Flexible hose
10
Oil distributor
11
Flexible hose
12
Pressure gauge
13
Pressure governor
15
Pressure switch
16
One-way valve
16.1
One-way valve
17
Flexible hose
18
Flexible hose
19
Manual valve
20
Pressure gauge
MAIN GAS TRAIN
23
Pressure switch - PGMIN
24
Safety valve with built in gas governor
25
Proving system pressure switch - PGCP
26
Pressure switch - PGMAX
40
Manual valve
41
Bellows unit
42
Filter
43
Pressure switch - PGMIN
44
Safety valve with built in gas governor
45
Proving system pressure switch - PGCP
46
Pressure switch - PGMAX
47
Butterfly valve
COMBUSTION AIR TRAIN
50
Air damper
51
Actuator
52
Pressure switch - PA
53
Draught fan with electromotor
54
Burner
Note
: The following POS are optional: 19, 20, 26, 40, 41, 46
Note
: The following POS are included only on certain types of burner: 5,7,11,17
Содержание HR91A
Страница 42: ...PART III OPERATION 42 Fig 18...
Страница 51: ...PART IV MAINTENANCE 51 12 0 BURNER EXPLODED VIEW...
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