Out of production – LAARS Horizon - Installation, Operation and Maintenance Instructions User Manual
Page 9

Horizon
Page 9
PIPE LENGTHS
"H"
One Pipe Gravity System
3/8" O.D.
1/2" O.D.
ft
ft
ft
0
1½
33
65
3
65
130
5
130
260
6½
195
325
PIPE LENGTHS
"H"
Two Pipe Lift System
3/8" O.D.
1/2" O.D.
ft
ft
ft
0
115
330
1½
100
330
3
80
330
5
65
295
6½
50
230
9½
25
100
11
20
65
Figure 5. One-Pipe System.
Figure 6. Two-Pipe System.
WARNING
The height should not exceed 13 feet.
WARNING
The vacuum must not excedd 11.44 HG (11.44
inches of Mercury). Burner is shipped from the
factory set up for two pipe system.
Important
An external filter must be placed in the fuel line
between the fuel tank and the burner pump.
Air Vent
Fill Pipe
1¼" min
Valve
Oil Tank
Filter
Burner
"P"
Boiler
Air Vent 1¼" min.
Fill Pipe
Valve
Filter
Burner
Boiler
Oil Tank
"H"
"H"
OUT OF
PRODUCTION
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