Bard WG421 Installation Instructions Manual Download

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WARNING

READ ALL INSTRUCTIONS CAREFULLY BEFORE
BEGINNING THE INSTALLATION.

THE INSTALLATION MUST COMPLY WITH THESE
INSTRUCTIONS AND THE REQUIREMENTS OF ALL
GOVERNING CODES AND ORDINANCES FOR THE
INSTALLATION LOCATION.

IT IS THE RESPONSIBILITY OF INSTALLER TO KNOW
AND UNDERSTAND ALL OF THESE REQUIREMENTS.

FAILURE TO DO SO COULD CREATE A HAZARD
RESULTING IN PROPERTY DAMAGE, BODILY INJURY,
OR DEATH.

INSTALLATION
INSTRUCTIONS

WG - SERIES

COMBINATION GAS/ELECTRIC

WALL-MOUNT

MODELS

WG421 WG481 WG601

Manual No.:

2100-365B

Supersedes:

2100-365A

File:

Volume

III

, Tab 20

Date:

08-25-00

Bard Manufacturing Company
Bryan, Ohio 43506

Since 1914...Moving ahead, just as
planned.

Summary of Contents for WG421

Page 1: ...RESPONSIBILITY OF INSTALLER TO KNOW AND UNDERSTAND ALL OF THESE REQUIREMENTS FAILURE TO DO SO COULD CREATE A HAZARD RESULTING IN PROPERTY DAMAGE BODILY INJURY OR DEATH INSTALLATION INSTRUCTIONS WG SER...

Page 2: ...hermostats 16 18 Gas Supply Piping 19 19 Manifold Pressure Adjustment 20 20 Checking Gas Input Rate 20 21 Standard Orifice Sizing High Altitude Derate 21 22 Conversion of Gas Input BTUH From High to L...

Page 3: ...Electronic Blower Control 29 Figure 17 Furnace Control Board Blower Control 30 Figure 18 460V Blower Motor Wiring Options 31 Figure 19 Fan Blade 37 Figure 20 Low NOx Insert 37 TABLES Table 1 Specifica...

Page 4: ...Telephone 416 447 4044 COPYRIGHT AUGUST 2000 BARD MANUFACTURING COMPANY BRYAN OHIO 43506 USA Manufactured under the following U S patent numbers 5 485 878 5 002 116 4 924 934 4 875 520 4 4825 936 4 43...

Page 5: ...t l o V 0 3 2 r o t a l i t n e V y r e v o c e R y g r e n E R 5 A V R E G W t l o V 0 6 4 r o t a l i t n e V y r e v o c e R y g r e n E R 5 C V R E G W VENTILATION OPTIONS 1 Low ambient control is...

Page 6: ...erant system is completely assembled and charged All internal wiring is complete These instructions and any instructions packaged with any separate equipment required to make up the entire heating coo...

Page 7: ...0 3 2 0 6 4 s p m A d a o L d e t a R 9 1 5 7 1 3 1 2 1 6 5 1 2 1 2 3 1 5 2 1 2 6 0 3 7 2 5 9 1 7 1 9 t n e r r u C n o i t c e l e S t i u c r i C h c n a r B 9 1 3 1 6 2 2 3 1 4 6 0 3 5 9 1 9 s p m...

Page 8: ...Manual 2100 365 Page 5 MIS 1352 FIGURE 1 UNIT DIMENSIONS...

Page 9: ...in the absence of specific recommendations from the local authority having jurisdiction equipment ratings shall be reduced as specified in Section 18 5 TRANSPORTATION DAMAGE All units are packed secu...

Page 10: ...e Figures 6 and 7 for details 3 Locate and mark lag bolt locations and bottom mounting bracket location 4 Mount bottom mounting bracket 5 Hook top rain flashing under back bend of top Top rain flashin...

Page 11: ...Manual 2100 365 Page 8 FIGURE 2 VENT TERMINAL AND COMBUSTION AIR INTAKE MIS 1469 MIS 1449 FIGURE 3 INTERNAL FILTER ACCESS THROUGH UPPER SERVICE DOOR...

Page 12: ...Manual 2100 365 Page 9 FIGURE 4 MOUNTING INSTRUCTIONS MIS 1472...

Page 13: ...le materials This is required for the first three 3 feet of ducting It is important to insure that the one 1 inch minimum spacing is maintained at all points Failure to do this could result in overhea...

Page 14: ...Manual 2100 365 Page 11 FIGURE 6 WALL MOUNTING INSTRUCTIONS FIGURE 7 WALL MOUNTING INSTRUCTIONS MIS 1475 MIS 1476...

Page 15: ...Manual 2100 365 Page 12 FIGURE 8 COMMON WALL MOUNTING INSTALLATIONS MIS 1474...

Page 16: ...r previous conditions of use 7 If improper venting is observed during any of the above tests the venting system must be corrected 9 CLEARANCES Minimum clearances as specified in Table 2 must be mainta...

Page 17: ...imum Circuit Ampacity This means that the field wiring used must be sized to carry that amount of current All models are suitable only for connection with copper wire Each unit and or wiring diagram w...

Page 18: ...with the manufacturer s instructions INSTALLATION OF FLEXIBLE CONDUIT THROUGH RETURN AIR OPENING NOTE To allow proper clearance between the control panel and any vent options 90 conduit fittings must...

Page 19: ...m e t s y S 5 3 0 3 0 4 8 0 8 5 9 F 1 e g a t s 2 t a e h e g a t s 2 o o c l e l b a m m a r g o r P c i n o r t c e l E 3 4 0 3 0 4 8 0 0 2 M C t a e h e g a t s 1 l o o c e g a t s 1 o t u a n o n...

Page 20: ...Manual 2100 365 Page 17 FIGURE 11 LOW VOLTAGE WIRING MIS 1162...

Page 21: ...Manual 2100 365 Page 18 FIGURE 12 GAS PIPE CONNECTION MIS 1478...

Page 22: ...1 9 1 f o h t g n e L t e e F e p i P e z i S e p i P t u p n I r u o H r e p U T B y t i c a p a C e p i P 2 1 4 3 1 4 1 1 0 1 0 0 0 2 3 1 0 0 0 8 7 2 0 0 0 0 2 5 0 0 0 0 5 0 1 0 2 0 0 0 2 9 0 0 0 0...

Page 23: ...pingement or overheating of heat exchanger NOTE For natural gas if gas flow rate can t be properly set within these pressure ranges then you must change main burner orifices to obtain proper gas flow...

Page 24: ...s to consume two cubic feet of gas If dial is one half cubic foot per revolution measure time for four revolutions If dial is one cubic foot per revolution measure time for two revolutions If dial is...

Page 25: ...2 5 4 2 5 4 2 0 4 2 5 3 2 0 3 2 5 2 2 0 2 2 5 1 2 9 9 8 0 8 8 0 5 2 0 4 2 5 3 2 0 3 2 0 3 2 5 2 2 0 2 2 5 1 2 0 1 2 9 4 9 0 0 9 0 4 2 0 3 2 0 3 2 5 2 2 0 2 2 0 2 2 5 1 2 0 1 2 5 0 2 9 9 9 0 5 9 5 3 2...

Page 26: ...onditions 30 00 inches Mercury 60F saturated NOTE 2 40 Standard factory installed orifice size 2 30 is shipped with the unit for field installed optional 10 derate All orifice sizes not shown with a b...

Page 27: ...de the temperature rise range specified on rating plate check duct system design with a qualified heating engineer It may be necessary to re size the duct work Recheck air temperature rise after revis...

Page 28: ...rgize and go into a soft lockout Regardless the state of the low pressure switch the contactor will reenergize after the delay on make time delay has expired If the ALARM OUTPUT Alarm terminal is outp...

Page 29: ...Manual 2100 365 Page 26 26 LIGHTING AND SHUTDOWN INSTRUCTIONS FIGURE 14 INSTRUCTION LABEL...

Page 30: ...at exchanger warms up There should be no change in the size or shape of the flame If there is any wavering or blowing of the flame on blower start up it is an indication of a possible leak in the heat...

Page 31: ...ations Inspect venting system Make sure system has no holes is physically sound and free from obstructions c Make sure the supply and return air flange sleeves or duct work are securely fastened to un...

Page 32: ...h T d e z i g r e n e s i l a n i m r e t W a a a a a d e z i g r e n e s i r e w o l b r i a n o i t s u b m o C d e h s i l b a t s e s i w o l f r i A s e k a m h c t i w s g n i v o r p r i A d e...

Page 33: ...g may be required to be removed or added 32 INDOOR BLOWER OPERATION All models have three speed direct drive blower motors If supply and return ducts are connected to the unit the ducts must be of ade...

Page 34: ...Manual 2100 365 Page 31 FIGURE 18 460 VOLT BLOWER MOTOR WIRING OPTIONS MIS 1487 A B C...

Page 35: ...1 0 3 4 1 0 3 1 1 P S E s e h c n I Hs O E D O M G N I L O O C N A F L A U N A M d n a E D O M G N I T A E H l i o C t e W U T B 0 0 0 0 0 1 t u p n I U T B 0 0 0 0 9 h g i H m u i d e M w o L h g i...

Page 36: ...4 3 1 0 3 4 1 0 3 4 1 0 3 1 1 P S E s e h c n I Hs O E D O M G N I L O O C N A F L A U N A M d n a E D O M G N I T A E H l i o C t e W U T B 0 0 0 0 0 1 t u p n I U T B 0 0 0 0 9 h g i H m u i d e M...

Page 37: ...1 0 3 4 1 0 3 4 1 0 3 1 1 P S E s e h c n I Hs O E D O M G N I L O O C N A F L A U N A M d n a E D O M G N I T A E H l i o C t e W U T B 0 0 0 0 0 1 t u p n I U T B 0 0 0 0 9 h g i H m u i d e M w o...

Page 38: ...t i w s t u o l l o r n a F l a u n a M n o f I y a l e d f f o d e t c e l e s e h t r o f e t a r e p o l l i w r e w o l b r i a t r o f m o c e h t e t a r e p o o t e u n i t n o c l l i w r e w...

Page 39: ...5 2 5 7 7 6 2 6 7 2 8 2 8 7 0 0 3 9 7 5 1 3 1 8 2 3 3 B D g e d 0 8 B W g e d 7 6 e d i S w o L e d i S h g i H 2 7 1 1 2 4 7 6 2 2 6 7 2 4 2 8 7 7 5 2 0 8 4 7 2 1 8 0 9 2 4 8 7 0 3 5 8 3 2 3 7 8 1 4...

Page 40: ...information FIGURE 19 FAN BLADE TABLE 15 FAN BLADE DIMENSION l e d o M A n o i s n e m i D 1 2 4 G W 1 1 8 4 G W 1 1 0 6 G W 1 Any service work requiring removal or adjustment in the fan and or motor...

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