5
Specifications
Boiler Specification
SL 26-260 G3
SL 40-399 G3
CSA Input (Natural Gas or Propane)
26 - 260 MBH
40 - 399 MBH
CSA Input (Natural Gas or Propane)
7.6 - 76.2 kW
11.7 - 117 kW
CSA Output
24.9 - 239 MBH
38.4 - 383 MBH
CSA Output
7.31 - 70.0 kW
11.2 - 112 kW
A.F.U.E
95%
-
Combustion Efficiency
-
96%
Thermal Efficiency (ANSI/AHRI-1500)
-
96%
Minimum gas supply pressure (Natural Gas or Propane)
4" w.c.
4" w.c.
Maximum gas supply pressure (Natural Gas or Propane)
14" w.c.
14" w.c.
Minimum Ambient temperature
32°F / 0°C
32°F / 0°C
Maximum Ambient temperature
122°F / 50°C
122°F / 50°C
Max. relative humidity (non-condensing)
90%
90%
Minimum water temp.
34°F / 1°C
34°F / 1°C
Maximum water temp. (electronic hi-limit)
190°F / 88°C
190°F / 88°C
Max. ΔT - supply/return (electronic fence)
40°F
40°F
Max. Water Temperature Lockout Limit
201°F / 94°C
201°F / 94°C
Power use (120Vac/60Hz) @ full fire (less pumps)
127 W
190 W
Weight (empty)
162 lbs / 74 Kg
240 lbs /110 Kg
Heating Surface Area
22.71 ft
2
/ 2.11 m
2
36.56 ft
2
/ 3.40 m
2
Pressure vessel water content
4.64 USG/ 17.6 L
6.66 USG/ 25.2 L
Maximum boiler flow rate
25 USgpm
45 USgpm
Minimum boiler flow rate
6 USgpm
20 USgpm
Maximum operating water pressure*
30 psig/ 206 kPa
80psig/ 551 kPa
Minimum water pressure
8 psig / 55 kPa
8 psig / 55 kPa
Approved installation altitude - ASL
0 - 12,000’
0 - 12,000’
Maximum equivalent vent length , each side (vent & air
intake) - Natural gas or propane. Air intake options:
either direct vent or indoor supply
200’ (3")
200’ (4")
* Boilers are shipped with a 30 psig pressure relief valve.
Summary of Contents for SL Series
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Page 12: ...Figure 5 Top view SL 40 399 G3 Figure 6 Bottom view SL 40 399 G3 8 Section Specifications...
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Page 64: ...Figure 40 Electric wiring connections 60 Section Installation...
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Page 110: ...Internal wiring diagram Figure 46 Internal wiring diagram 106 Section Appendices...
Page 111: ...Sequence of operations Figure 47 Sequence of Operation 107 Sequence of operations...