Burnham V7 SERIES Boiler User Manual


 
17
Lift "H"
(See Fig. 16)
Maximum Length of Tubing
"H" + "R" (See Figure 16)
3/8" OD
Tubing (3 GPH)
1/2" OD
Tubing (3 GPH)
0'
93' 100'
2' 85' 100'
4' 77' 100'
6' 69' 100'
8' 60' 100'
10' 52' 100'
12' 44' 100'
14' 36' 100'
16' 27' 100'
18' --- 76'
TABLE 5: TWO-STAGE UNITS (3450 RPM) -
TWO-PIPE SYSTEMS
Figure 15
TABLE 4: SINGLE-STAGE UNITS (3450 RPM) -
TWO-PIPE SYSTEMS
Lift "H"
(See Fig. 16)
Manimum Length of Tubing
"H" + "R" (See Figure 16)
3/8" OD
Tubing (3 GPH)
1/2" OD
Tubing (3 GPH)
0' 84' 100'
1' 78' 100'
2' 73' 100'
3' 68' 100'
4' 63' 100'
5' 57' 100'
6' 52' 100'
7' 47' 100'
8' 42' 100'
9' 36' 100'
10' 31' 100'
11' 26' 100'
12' 21' 83'
13' --- 62'
14' --- 41'
Figure 16
IMPORTANT
Single-pipe installations must be absolutely
airtight or leaks or loss of prime may result.
Bleed line and fuel unit completely.