4
Index of Tables and Figures
Tables:
Table 1 - Electric and Gas Heating Capacities ............................................................................. 21
Table 2 - V3 Series Clearances ..................................................................................................... 22
Table 3 - Drain Trap Dimensions ................................................................................................. 27
Table 4 - Steam Distributing Coil Sweat Connection Sizes ......................................................... 27
Table 5 - Hot Water Coil Sweat Connection Sizes ....................................................................... 27
Table 6 - Chilled Water Coil Sweat Connection Sizes ................................................................. 28
Table 7 - Control Wiring ............................................................................................................... 40
Table 8 - Open Combustion Venting ............................................................................................ 43
Table 9 - Equivalent DWV Fittings Length .................................................................................. 44
Table 10 - Natural Gas (ft
3
/hr) Maximum Piping Capacities ....................................................... 46
Table 11 - Propane (kBtu/hr) Maximum Piping Capacities ......................................................... 46
Table 12 - Gas Inlet Pressure ........................................................................................................ 46
Table 13 - Manifold Pressure ........................................................................................................ 46
Table 14 - Gas Piping Supports .................................................................................................... 47
Table 15 - Acceptable Refrigeration Circuit Values ..................................................................... 52
Table 16 - R-410A Refrigerant Temperature-Pressure Chart ....................................................... 54
Table 17 - Gas Heat Ignition Times .............................................................................................. 59
Table 18 - Ignition Control Sequence of Operation ...................................................................... 60
Table 19 - Gas Heater LED Diagnostics ....................................................................................... 62
Table 20 - Gas Heater Troubleshooting Guide ............................................................................. 63
Table 21 - V3 Series E Cabinet Pre-Filters ................................................................................... 73
Table 22 - V3 Series A Cabinet Unit Filters ................................................................................. 74
Table 23 - V3 Series B Cabinet Unit Filters ................................................................................. 74
Table 24 - V3 Series C Cabinet Unit Filters ................................................................................. 75
Table 25 - V3 Series D Cabinet Unit Filters ................................................................................. 75
Table 26 - V3 Series Energy Recovery OA Filters (Feature 13 = A-V)....................................... 75
Figures:
Figure 1 - Lockable Handle .......................................................................................................... 19
Figure 2 - High Efficiency Gas Heater ......................................................................................... 21
Figure 3 - Minimum Clearance Required for Access to Unit (V3 Series plan view) ................... 22
Figure 4 - V3 internal control panel with rear removable access panel shown ............................ 23
Figure 5 - V3 Series Unit Orientation ........................................................................................... 23
Figure 6 - V3 Schematic with (1) Exhaust Fan, (2) Energy Recovery, (3) Air Handler, and (4)
Electric Heat.................................................................................................................................. 24
Figure 7 - Low & High Voltage Quick Connect ........................................................................... 24
Figure 8 - Connect Sections .......................................................................................................... 25
Figure 9 - Bar Clamp .................................................................................................................... 25
Figure 10 - Flange Overlap ........................................................................................................... 25
Figure 11 - Self-Tapping Screw .................................................................................................... 25
Figure 12 - Back View External Control Box .............................................................................. 26
Figure 13 - Drain Trap .................................................................................................................. 26
Figure 14 - Steam Distributing Piping .......................................................................................... 27
