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Manual

2100-376L

Page

47 of 81

33. WG DEHUMIDIFICATION UNIT RELAY LOGIC

The WG Wall Mount Gas Fired Units equipped with the Dehumidification Circuit employ several components to
control the Heating, Cooling and Dehumidification process (excluding blower control).  These components include
the following:

CR1

Control Relay #1

Part # 8201-071

CR2

Control Relay #2

Part # 8201-062

CR3

Control Relay #3

Part # 8201-062

TDR1

Time Delay Relay #1

Part # 8201-089

TDR2

Time Delay Relay #2

Part # 8201-045

RAT

Return Air Thermostat

Part # 8408-037

CR1

This relay completes the “Y” or compressor signal to the CCM (Compressor Control Module) during either a call for
Cooling or a call for Dehumidification.

CR2

Part of the Bard Manufacturing Company, Inc. control strategy on Dehumidification units is that Cooling always
takes precedence over Dehumidification.  This relay opens the circuit to the Dehumidification Solenoid Valve on a
call for Cooling, effectively overriding the Dehumidification function in favor of the Cooling call.

CR3

This relay terminates the signal to the Dehumidification Solenoid and also the “Y” signal to the CCM during a call
for Heat.

TDR1

This time delay relay is a 10 second Delay On Break device.  On shift between Cooling and Dehumidification, this
relay assures the Compressor signal does not drop to the CCM.  This will keep the CCM from going into time delay
as the unit shifts from Dehumidification mode to Cooling mode and back.

TDR2

This time delay relay is a Delay On Break device.  After a call for heating is terminated, this relay assures sufficient
time for the evaporator coil and heat exchanger to cool off before allowing the compressor circuit to be completed.
This protects the system in the event of a rapid mode change from Heating to Cooling.

RAT

The Return Air Thermostat is a safety device that guards against a Low Ambient condition during Dehumidification
mode that may result in coil freeze-up or damage to the system.  In the event the Return Air temperature drops below
the RAT setting, the RAT will terminate the Dehumidification call.  The RAT will re-establish the call for
Dehumidification when the Return Air temperature rises sufficiently for the RAT to reset.

Содержание WG242DA

Страница 1: ...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...

Страница 2: ...old Pressure Adjustment 26 20 Checking Gas Input Rate 26 27 21 Standard Orifice Sizing High Altitude Derate 28 22 Conversion of Gas Input BTUH From High to Low Rating 31 23 Measuring Air Temperature R...

Страница 3: ...iagrams 49 Figure 20 Fan Blade 51 Figure 21 Low NOx Insert 51 TABLES Table 1 Specifications WG24 36 Models 7 Table 1A Specifications WG42 60 Models 8 Table 2 Minimum Installation Clearances 17 Table 3...

Страница 4: ...47 4044 COPYRIGHT SEPTEMBER 2003 BARD MANUFACTURING COMPANY INC 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 These public...

Страница 5: ...t n e V l a i c r e m m o C P 3 P V R C G W 5 P V R C G W g n i t a l u d o M y l l u F r e z i m o n o c E 1 E 3 M F I E G W 5 M F I E G W 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...

Страница 6: ...or CAN CGA B149 1 latest edition and the National Electrical Code ANSI NFPA 7 or CSA C22 1 latest edition It is the personal responsibility and obligation of the purchaser to contact a qualified inst...

Страница 7: ...2 0 3 2 8 0 2 0 3 2 0 6 4 s p m A d a o L d e t a R 5 0 1 5 9 6 6 2 6 3 3 5 3 1 5 2 1 5 9 0 9 5 6 1 4 1 0 1 5 9 5 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 5 0 1 7 6 5 3 1 4 1 5 9 5 6...

Страница 8: ...8 0 2 0 3 2 0 6 4 s p m A d a o L d e t a R 5 9 1 1 2 5 4 1 5 3 1 8 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 1 2 5 1 6 7 2 2 3 1 4 6 0 3 5...

Страница 9: ...TER HINGED DOOR COMBUSTION AIR EXHAUST COMBUSTION AIR INTAKE CONTROL LOW VOLTAGE ENTRANCES CIRCUIT BREAKER VENT OPTION MIS 2123 A UNIT A B C D E F G H I J K L M N O W G 24 W G 30 W G 3 6 7 88 27 88 13...

Страница 10: ...nd in the absence of specific recommendations from the local authority having jurisdiction equipment ratings shall be reduced as specified in Section 21 5 TRANSPORTATION DAMAGE All units are packed se...

Страница 11: ...ible wall use a minimum of Figure 1 A dimension plus 2 inches and B dimension plus 2 inches See Figures 4 and 5 for details 3 Locate and mark lag bolt locations and bottom mounting bracket location 4...

Страница 12: ...PTIONAL 12 FLANGE SCREWS UNIT SUPPORT 1 MIN NECCESSARY NO CLEARANCE SUPPLY AIR DUCT RETURN AIR DUCT CONTROL PANEL VESTIBULE DOOR WALL STRUCTURE OUTSIDE 1 CLEARANCE ON ALL FOUR SIDES OF SUPPLY AIR DUCT...

Страница 13: ...Manual 2100 376L Page 13 of 81 FIGURE 2A MOUNTING INSTRUCTIONS FOR WG42 WG48 AND WG60...

Страница 14: ...of one 1 inch clearance must be maintained between the supply air duct and combustible materials This is required for the first three 3 feet of ducting It is important to insure that the one 1 inch m...

Страница 15: ...Manual 2100 376L Page 15 of 81 FIGURE 4 WALL MOUNTING INSTRUCTIONS FIGURE 5 WALL MOUNTING INSTRUCTIONS...

Страница 16: ...Manual 2100 376L Page 16 of 81 FIGURE 6 COMMON WALL MOUNTING INSTALLATIONS...

Страница 17: ...ed air from the condenser to recirculate to the condenser inlet TABLE 2 MINIMUM INSTALLATION CLEARANCES s l a i r e t a m e l b i t s u b m o c m o r f t c u D t e l t u O t e e f 3 t s r i f h c n i...

Страница 18: ...ncludes a stainless steel transition drain tee silicone sealant and drain tubing If unit is installed with vertical vent kit annually inspect the vent system and drain Replace any portion of the vent...

Страница 19: ...nce spillage at the draft hood relief opening after 5 minutes of main burner operation Use the flame of a match or candle 6 After it has been determined that each appliance connected to the venting sy...

Страница 20: ...electrical ground could result in electric shock or fire 15 WIRING MAIN POWER Refer to unit rating plate for wire sizing information and maximum fuse or HACR type circuit breaker size Each outdoor uni...

Страница 21: ...mary voltage transformers and no rewiring is required TABLE 3 THERMOSTAT WIRE SIZE r e m r o f s n a r T A V A L F e g u a G e r i W m u m i x a M e c n a t s i D t e e F n I 5 5 3 2 e g u a g 0 2 e g...

Страница 22: ...Manual 2100 376L Page 22 of 81 FIGURE 11 LOW VOLTAGE WIRING...

Страница 23: ...Manual 2100 376L Page 23 of 81 FIGURE 11A LOW VOLTAGE WIRING...

Страница 24: ...Manual 2100 376L Page 24 of 81 FIGURE 12 GAS PIPE CONNECTION...

Страница 25: ...c foot test dial and allowing 4 minutes to show any movement and by soaping each pipe connection and watching for bubbles If a leak is found make the necessary repairs immediately and repeat the above...

Страница 26: ...kits may be purchased from your local distributor 5 Slowly open equipment shut off valve in gas supply line just ahead of furnace Start furnace following Operating Instructions on front door 6 Slowly...

Страница 27: ...the furnace gas input 9 If you left water heater dryer or range pilots on allow for them in calculating correct furnace gas input A quick way is to allow 1 000 BTU per hour for a water heater 500 BTU...

Страница 28: ...5 7 0 6 0 0 5 7 6 6 0 8 8 5 0 4 3 5 6 2 6 8 6 5 0 8 1 3 6 8 1 9 4 5 0 2 0 1 6 0 6 4 3 5 0 0 4 9 5 8 8 4 2 5 0 2 3 8 5 3 7 2 1 5 0 7 9 6 5 4 4 5 0 5 0 6 1 6 5 2 7 5 9 4 0 8 0 5 5 5 6 9 8 4 5 0 4 4 5 4...

Страница 29: ...F 0 0 0 0 1 o t 1 0 0 8 h c t i w S e r u s s e r P s e r i u q e R e g n a h C e c i f i r O d n a e g n a h C t n e t n o C U T B n o d e s a B U T B 0 5 2 0 2 r e n r u B r e P 9 4 7 0 0 7 0 6 2 0...

Страница 30: ...r e d 0 1 l a n o i t p o l a n o i t p O d l e i F 0 1 d e t r e v n o C e t a r e D t a e H s a G e u l a V t F u C U T B o N t e e F 0 0 0 6 o t p U t p e c x E s e g n a h C t n e t n o C U T B r...

Страница 31: ...ximately 2 feet from furnace Locate thermometer tip in center of plenum to ensure proper temperature measurement 6 Place second thermometer in return air duct approximately 2 feet from furnace Locate...

Страница 32: ...d Feature If the high pressure switch opens the compressor contactor will de energize immediately The lockout timer will go into a soft lockout and stay in soft lockout until the high pressure switch...

Страница 33: ...ke DOM timing on power up and after power interruptions is equal to 2 minutes plus 10 of Delay on Break DOB setting 0 5 minute 30 seconds DOB 123 second DOM 1 0 minute 60 seconds DOB 126 second DOM 2...

Страница 34: ...Manual 2100 376L Page 34 of 81 26 LIGHTING AND SHUTDOWN INSTRUCTIONS FIGURE 15 INSTRUCTION LABEL...

Страница 35: ...ht on small mirror or an extension handle Remove the screws securing the inducer and collector box Now inspect the upper tubes of the heat exchanger Check the exterior of the heat exchanger and the in...

Страница 36: ...sure the supply and return air flange sleeves or duct work are securely fastened to unit and physically sound d Supply and return grilles must be open and free from obstructions e Inspect to make sur...

Страница 37: ...speed blower relay will be energized as well as the compressor contactor Following termination of the cooling cycle the blower motor will continue to run for one minute See Figure 17 for additional i...

Страница 38: ...s n i g e b g n i m i t y a l e d f f o n a f t a e H d e z i g r e n e e d l o o c r o f l l a c s n i g e b t a t s o m r e h T d e z i g r e n e e r s l a n i m r e t Y d n a G d e z i g r e n e s...

Страница 39: ...f it is desirable to have both HEAT COOL blower motor speed at the same speed install a jumper wire between HEAT and COOL terminals of the integrated furnace control board and place both unused motor...

Страница 40: ...0 7 0 2 1 1 0 2 1 1 0 4 9 4 0 0 9 7 0 3 0 1 0 3 0 1 0 6 8 5 0 0 1 9 0 1 7 0 5 9 6 0 0 0 8 0 4 8 P S E s e h c n I H2 O E D O M G N I L O O C E D O M G N I T A E H d n a N A F L A U N A M l i o C t e W...

Страница 41: ...0 8 7 6 0 0 4 9 0 8 9 0 4 8 0 6 6 0 8 9 0 4 8 0 6 6 P S E s e h c n I H2 O E D O M G N I L O O C E D O M G N I T A E H d n a N A F L A U N A M l i o C t e W t u p n I U T B 0 0 0 8 6 t u p n I U T B...

Страница 42: ...1 0 3 0 1 0 9 1 1 0 3 0 1 0 6 8 5 0 0 5 0 1 0 9 0 1 0 5 9 0 9 0 1 0 5 9 6 0 0 4 9 0 8 9 0 8 9 0 4 8 P S E s e h c n I H2 O E D O M G N I L O O C E D O M G N I T A E H d n a N A F L A U N A M l i o C...

Страница 43: ...3 1 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...

Страница 44: ...0 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...

Страница 45: ...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 w...

Страница 46: ...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 o l b r i a t r o f m o c e h t n o i t a r e p o S T I N U Y T E F A...

Страница 47: ...oling call CR3 This relay terminates the signal to the Dehumidification Solenoid and also the Y signal to the CCM during a call for Heat TDR1 This time delay relay is a 10 second Delay On Break device...

Страница 48: ...8 6 2 3 2 8 6 4 3 3 8 6 6 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 7 7 8 2 2 9 7 5 4 2 1 8 2 6 2 2 8 9 7 2 4 8 8 9 2 5 8 6 1 3 7 8 5 3 3 8 8 5 5 3 9 8 5 7 3 B D g e d 5 8 B W g e d...

Страница 49: ...s into a FIGURE 19 CIRCUIT DIAGRAMS AIR CONDITIONING MODE CIRCUIT DIAGRAM separate desuperheating condenser circuit which reheats the conditioned air before it is delivered to the room The refrigerant...

Страница 50: ...3 9 5 9 2 4 9 3 1 3 6 9 3 3 3 8 9 5 5 3 0 0 1 8 7 3 2 6 3 G W B D g e d 5 7 B W g e d 2 6 e d i S w o L e d i S h g i H 2 7 2 2 2 4 7 8 3 2 5 7 5 5 2 6 7 2 7 2 8 7 0 9 2 9 7 8 0 3 1 8 6 2 3 2 8 6 4 3...

Страница 51: ...regulations for nitrogen oxide emission levels Refer to Figure 21 for NOx insert information IMPORTANT For propane LP conversions the NOx reduction screen inserts shown below must be removed This is a...

Страница 52: ...ICATION DATA FOR WG30 DA s n o i t i d n o C r o o d n I r o o d t u O t n e i b m A y t i c a p a C m e t s y S s d n u o P r e t a W r H s b L w o l f r i A M F C x o r p p A y l p p u S r i A B W B...

Страница 53: ...n in are BTUH of heating available at these conditions Latent BTU Lbs Hr water 1060 Sensible BTU Total Latent Values shown in are BTUH of heating available at these conditions Latent BTU Lbs Hr water...

Страница 54: ...APPLICATION DATA FOR WG60 DA s n o i t i d n o C r o o d n I r o o d t u O t n e i b m A y t i c a p a C m e t s y S s d n u o P r e t a W r H s b L w o l f r i A M F C x o r p p A y l p p u S r i A...

Страница 55: ...3 0 3 G W 3 5 3 5 8 0 4 6 6 A 4 5 3 5 8 0 4 7 6 A D 2 6 3 G W A 9 3 1 5 8 0 4 8 6 A 7 3 1 5 8 0 4 7 5 B D 2 6 3 G W A 9 3 2 5 8 0 4 9 6 A 7 3 2 5 8 0 4 9 5 C D 3 6 3 G W 5 5 3 5 8 0 4 0 7 A 0 6 3 5 8...

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