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Integral Indirect Gas-Fired Heat Module
OPTION
TABLE OF ILLUSTRATIONS
Figure 1.7.0 Ignition Controller (Typical) .............................................................................................. 8
Figure 1.7.1 Maxitrol SC-30 Signal Conditioner .................................................................................... 8
Figure 1.9.0 Module Heat Rise Calculation........................................................................................... 9
Figure 2.1.0 Indoor Vertical Venting for Flue Exhaust ......................................................................... 11
Figure 2.1.1 Indoor Horizontal Venting for Flue Exhaust ...................................................................... 12
Figure 2.1.2 Vertical Venting-Separate Combustion ........................................................................... 13
Figure 2.1.3 Horizontal Venting-Separate Combustion........................................................................ 13
Figure 2.1.4 Outdoor Horizontal Venting............................................................................................. 14
Figure 2.2.0 Example of Multiple DOAS Supply Gas Piping ................................................................. 15
Figure 2.3.0 Module FLA .................................................................................................................. 16
Figure 3.2.0 Outdoor Horizontal Ductwork Configuration ................................................................... 22
Figure 3.2.1 Indoor Horizontal Ductwork Configuration ...................................................................... 22
Figure 3.2.2 Outdoor Vertical Ductwork Configuration ....................................................................... 22
Figure 4.1.0 50–350 MBH Temperature and Pressure Chart .............................................................. 23
Figure 4.6.0 Example of Modulated Gas Train .................................................................................... 26
Figure 4.7.0 Single Stage Gas Valves (Typical) ................................................................................... 27
Figure 4.7.1 Two-Stage Gas Valves (Typical) ...................................................................................... 27
Figure 4.7.2 Modulating Gas Valves (Typical) ..................................................................................... 28
Figure 5.6.0 Installation Example ...................................................................................................... 32
Figure 5.8.0 Typical Data Label ......................................................................................................... 33
Figure 5.8.1 Typical Gas Supply Piping Connection ............................................................................ 33
Figure 5.9.0 Recommended Drain Trap Construction ......................................................................... 34
Figure 6.2.0 DOAS Controller ............................................................................................................ 35
Figure 6.6.0 Burner Flame at 1.2 InWC [298 Pa] Manifold Pressure .................................................... 39
Figure 6.6.1 Burner Flame at High Fire 3.5 InWC [871 Pa] Manifold Pressure ..................................... 39
Figure 7.3.0 Service Parts—Modulated Control .................................................................................44
Figure 8.0.0 Maxitrol SC-30 Signal Conditioner ................................................................................. 45
Figure 8.2.0 Series 5 Ignition Controller ............................................................................................46
TABLE OF WIRING SCHEMATICS
Figure 2.3.1 Control Wiring, 5:1 Turndown Module, 50–150 MBH ....................................................... 17
Figure 2.3.2 Control Wiring, 5:1 Turndown Module, 200–350 MBH .................................................... 18
Figure 2.3.3 Control Wiring, 10:1 Turndown Module, 200–250 MBH .................................................. 19
Figure 2.3.4 Control Wiring, 10:1 Turndown Module, 300–350 MBH ................................................. 20
