Bard WG242-A - Page 3

Manual 2100-365Q
Page 3 of 73
CONTENTS
FIGURES
Figure 1 Unit Dimensions ..................................... 9
Figure 2 Mounting Instructions – WG24-36 ....... 12
Figure 2A Mounting Instructions – WG42-60 ....... 13
Figure 3 Combustible Clearance – WG24-36 .... 14
Figure 3A Combustible Clearance – WG42-60 .... 14
Figure 4 Wall Mounting Instructions ................... 15
Figure 5 Wall Mounting Instructions ................... 15
Figure 6 Common Wall Mounting Installations ... 16
Figure 7 Location of Vent Terminal in Shipping .. 17
Figure 8 Vent Terminal & Combustion
Air Intake .............................................. 18
Figure 9 Fresh Air Damper ................................. 19
Figure 10 Installation of Flexible Conduit ............. 21
Figure 11 Low Voltage Wiring .............................. 22
Figure 12 Gas Pipe Connection ........................... 23
Figure 13 Proper Piping Practice ......................... 24
Figure 14 Access Internal Filter through
Upper Service Door .............................. 31
Figure 15 Lighting & Shutdown Instruction Label . 33
Figure 16 Top View of Gas Control ...................... 34
Figure 17 Sequence of Operation – Electronic
Blower Control ...................................... 36
Figure 18 Furnace Control Board &
Blower Control ...................................... 37
Figure 19 Fan Blade ............................................. 46
Figure 20 Low NOx Insert .................................... 46
TABLES
Table 1 Specifications – WG24-36 Models ........... 7
Table 1A Specifications – WG42-60 Models ........... 8
Table 2 Minimum Installation Clearances ........... 17
Table 3 Thermostat Wire Size ............................ 21
Table 4 Wall Thermostat ..................................... 21
Table 5 Length of Standard Pipe Threads .......... 24
Table 6 Gas Pipe Sizes – Natural Gas ............... 24
Table 7 Natural Gas Derate Capacities
For All Models ........................................ 27
Table 8 Natural Gas Orifice Tables – WG24-36 .. 28
Table 8A Natural Gas Orifice Tables – WG42-60 .. 29
Table 9 Motor Speed Taps .................................. 37
Table 10 WG24 Indoor Blower Performance ........ 38
Table 11 WG30 Indoor Blower Performance ........ 39
Table 12 WG36 Indoor Blower Performance ........ 40
Table 13 WG42 Indoor Blower Performance ........ 41
Table 14 WG48 Indoor Blower Performance ........ 42
Table 15 WG60 Indoor Blower Performance ........ 43
Table 16 Integrated Furnace & Blower
Control Operation ................................... 44
Table 17 Cooling Pressure Table .......................... 45
Table 18 Refrigerant Charge ................................ 46
Table 19 Fan Blade Dimension ............................. 46
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