Bard WG Series Installation Instructions Manual page 3

FIGURES
Figure 1 Unit Dimensions .................................. 8
Figure 2A Mounting Instructions for WG3S2 ........ 11
Figure 2B Mounting Instructions for WG4S2
and WG5S2 ....................................... 12
Figure 3 Combustible Clearance ....................... 13
Figure 4 Wall Mounting Instructions .................. 14
Figure 5 Wall Mounting Instructions .................. 14
Figure 6 Common Wall Mounting Installations .... 15
Figure 7 Location of Vent Terminal in Shipping .. 16
Figure 8 Vent Terminal and Combustion
Air Intake .......................................... 17
Figure 9 Installation of Flexible Conduit ............ 19
Figure 10A Low Voltage Wiring - No Vent .............. 21
Figure 10B Low Voltage Wiring - CRV .................... 22
Figure 10C Low Voltage Wiring - Economizer ......... 23
Figure 10D Low Voltage Wiring - ERV .................... 24
Figure 11 Gas Pipe Connection ........................... 25
Figure 12 Proper Piping Practice ........................ 26
Figure 13 Access Internal Filter .......................... 32
Figure 14 8201-164 Compressor Control Module . 33
Figure 15 Lighting and Shutdown Instruction
Label ................................................ 35
Figure 16 Top View of Gas Control ...................... 36
Figure 17 Sequence of Operation - Electronic
Blower Control ................................... 38
Figure 18 Furnace Control Board and
Blower Control ................................... 39
Figure 19 Fan Blade .......................................... 42
Figure 20 Control Disassembly ........................... 44
Figure 21 Winding Test ...................................... 44
Figure 22 Drip Loop .......................................... 44
Figure 23 Low NOx Insert .................................. 46
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TABLES
Table 1 Specifications ........................................ 7
Table 2 Minimum Installation Clearances ........... 16
Table 3 Thermostat Wire Size ............................ 20
Table 4 Wall Thermostat ................................... 20
Table 5 Length of Standard Pipe Threads ........... 26
Table 6 Gas Pipe Sizes - Natural Gas ................ 26
Table 7 Natural Gas Derate Capacities
for All Models ...................................... 29
Table 8 Natural Gas Orifice Tables ..................... 30
Table 9 Indoor Blower Performance ................... 39
Table 10 Integrated Furnace and Blower
Control Operation ................................. 40
Table 11 Fan Blade Dimensions .......................... 42
Table 12 Cooling Pressures ................................. 45
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Manual 2100-587J
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