Independence Installation, Operating, and Service Instructions

5
103538-08 - 3/18
Table 1: Dimensional Data
Heating Surface: 4.35 sq. ft. per ueway (steam); 5.72 sq. ft. per ueway (water)
Boiler
Model
Approx.
Shipping
Weight
Lbs.
Dimensions (in inches)
Recommended
Min. Round
Chimney Size
(Diameter x Height)
(1)
Gas
Conn.
(NPT)
Water Volume
(Gal.)
'A' 'B' 'C' 'D' 'E' 'F' 'G'
Steam
Boiler
(3)
IN3I 350 14-1/2
40
33-3/4 4
40-1/4
4-3/4
7-1/4 4" x 15 ft.
1/2"
5.1 3.9
IN4I 420 17-3/4 34-3/4 5 8-7/8 5" x 15 ft. 6.5 5.0
IN5I 485 21
35-3/4 6 5-1/4
10-1/2
6" x 15 ft.
7.9 6.1
IN6I 555 24-1/4 12-1/8 9.3 7.2
IN7I 620 27-1/2
36-3/4 7
7-1/2
13-3/4
7" x 15 ft.
3/4"
10.7 8.3
IN8I 690 30-3/4 15-3/8 12.1 9.4
IN9I 760 34 37-3/4
8
17
8" x 15 ft.
13.5 10.5
IN10 815 37-1/4
45 38-3/4 45-1/2
18-5/8
3/4"
(2)
14.9 11.6
IN11 885 40-1/2
9
20-1/4
9" x 15 ft.
16.3 12.7
IN12 955 43-3/4 21-7/8 1" 17.7 13.8
(1) 15' chimney height is from bottom of Draft Hood opening to top of Chimney.
(2) Gas connection size on IN10-IN11 Continuous Ignition (Standing Pilot) is 1 NPT.
(3) Steam boiler's "steamable water volume": water volume from NWL (normal water level) to low water cutoff level.
TABLE OF CONTENTS
I. Pre-Installation.......................................................................................... 7
II. Knockdown Boiler Assembly..................................................................... 9
III. Semi-Pak Boiler Assembly........................................................................ 13
IV. Packaged Boiler Assembly......................................................................... 15
V. Piping and Trim......................................................................................... 16
VI. Gas Piping................................................................................................ 19
VII. Venting...................................................................................................... 21
VIII. Electrical .................................................................................................. 24
IX. System Start-up ...................................................................................... 34
X. Service and Maintenance ........................................................................ 44
XI. Repair Parts ............................................................................................. 50
Appendix B - Figures................................................................................ 69
Appendix C = Tables................................................................................. 71