Unigas HTLX92R Installation Manual page 10

- 3I2MG-23 v0
Hydraulic diagram
20
PI
54
19
10
S
6
11
19.1
PS
52
M
50
53
M
M 48
47
9
8
7
5
14
12
M
15
PI
PS
13 16
17
51
46 45 43
PSH PSH PS P PSL
VGD
44
BY OTHERS
BY BURNER CONSTRUCTOR
4
M
3
2 1
18
42 40
41
3I2MG23 LEGEND
rev.0
POS OIL TRAIN
1 Filter
2 Flexible hose
3 Pump and pressure governor
4 Electrical motor
5 Flexible hose
6 Solenoid valve
7 Flexible hose
8 3-way solenoid valve
oil inlet
9 Flexible hose
10 Oil distributor
oil outlet
11 Flexible hose
12 Pressure gauge
13 Pressure governor
14 Electrical motor
15 Pressure switch
16 One-way valve
17 Flexible hose
18 Flexible hose
19 Manual valve
19.1 Manual valve
20 Pressure gauge
MAIN GAS TRAIN
40 Manual valve
41 Bellows unit
combustion air
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
48 Electrical motor
COMBUSTION AIR TRAIN
50 Air damper
51 Actuator
gas inlet
52 Pressure switch - PA
53 Draught fan with electromotor
54 Burner