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Manual 2100-408C
Page

13

FIGURE 9

SHxxxDx – HOT GAS REHEAT DURING DEHUMIDIFICATION

WITH PROGRAMMABLE THERMOSTAT FULL TIME DEHUMIDIFICATION

IMPORTANT NOTE:

Only the thermostat and subbase combinations as shown in Table 4 will work with this
equipment. The thermostat and subbase

must

be matched, and the correct operation can

be assured only be proper selection and application of these parts.

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Summary of Contents for SH261D

Page 1: ... PUMPS Models SH261D SH311D Copyright 2004 Manual 2100 408C Supersedes 2100 408B File Volume III Tab 17 Date 05 06 05 Bard Manufacturing Company Bryan Ohio 43506 Since 1914 Moving ahead just as planned INSTALLATION INSTRUCTIONS ...

Page 2: ...6KW 3 Ph 15 Figure 11 Defrost Control Board 18 Figure 12 Fan Blade Setting Dimensions 22 Figure 13 Circuit Diagram Heat Pump Cooling Mode 25 Figure 14 Circuit Diagram Heat Pump Dehumidification Mode 25 Tables Table 1 Electrical Specifications 4 Table 2 Thermostat Wire Size 14 Table 3 Wall Thermostats 14 Table 4 Troubleshooting 19 Table 5 Dehumidification Relay Logic Board 21 Table 6 Fan Blade Dime...

Page 3: ...lanta GA 30329 2305 Telephone 404 636 8400 Fax 404 321 5478 NFPA National Fire Protection Association Batterymarch Park P O Box 9101 Quincy MA 02269 9901 Telephone 800 344 3555 Fax 617 984 7057 These publications can help you install the air conditioner or heat pump You can usually find these at your local library or purchase them directly from the publisher Be sure to consult current edition of e...

Page 4: ... Phenolic Coated Evaporator and Condenser OUTLET OPTIONS X Front Standard T Top COLOR OPTIONS X Beige Standard 1 White 2 Mesa Tan 3 Colonial White 4 Buckeye Gray FILTER OPTIONS X One Inch Throwaway Standard W One Inch Washable P Two Inch Pleated VENTILATION OPTIONS X Barometric Fresh Air Damper Standard B Blank off Plate M Motorized Fresh Air Damper V Commercial Room Ventilator Motorized with Exha...

Page 5: ...Manual 2100 408C Page 3 FIGURE 1 UNIT DIMENSIONS ...

Page 6: ...l o V e s a h P o N d l e i F r e w o P s t k C 3 m u m i n i M t i u c r i C y t i c a p m A 1 m u m i x a M l a n r e t x E r o e s u F t i u c r i C r e k a e r B 2 d l e i F r e w o P e r i W e z i S 2 d n u o r G e r i W e z i S 3 m u m i n i M t i u c r i C y t i c a p m A 1 m u m i x a M l a n r e t x E r o e s u F r e k a e r B t k C 2 r e w o P d l e i F e z i S e r i W 2 e r i W d n u o ...

Page 7: ...f America ACCA is an excellent guide to proper sizing All duct work or portions thereof not in the conditioned space should be properly insulated in order to both conserve energy and prevent condensation or moisture damage Refer to Table 10 for maximum static pressure available for duct design Design the duct work according to methods given by the Air Conditioning Contractors of America ACCA When ...

Page 8: ...t of Energy Energyguide Fact Sheets is based upon the fresh air blank off plate in place and is recommended for maximum energy efficiency The blank off plate is available upon request from the factory and is installed in place of the fresh air damper shipped with each unit CONDENSATE DRAIN A plastic drain hose extends from the drain pan at the top of the unit down to the unit base There are openin...

Page 9: ...uld then be 30 x 10 See Figures 3 4 and 6 for details WARNING Fire hazard can result if 1 4 inch clearance to combustible materials for supply air duct is not maintained See Figure 3 3 Locate and mark lag bolt locations and bottom mounting bracket location if desired See Figure 5 4 Mount bottom mounting bracket if used 5 Hook top rain flashing under back bend of top Top rain flashing is shipped se...

Page 10: ...cone caulking be placed behind the side mounting flanges and under the top flashing at the time of installation WARNING A minimum of 1 4 inch clearance must be maintained between the supply air duct and combustible materials This is required for the first 3 feet of ducting It is important to insure that the 1 4 inch minimum spacing is maintained at all points Failure to do this could result in ove...

Page 11: ...08C Page 9 FIGURE 5 WALL MOUNTINGINSTRUCTIONS FIGURE 6 WALL MOUNTINGINSTRUCTIONS MIS 548 MIS 549 SEE FIGURE 3 MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS FIGURE 1 FOR ACTUAL DIMENSIONS SEE FIGURE 1 FOR DUCT DIMENSIONS ...

Page 12: ...Manual 2100 408C Page 10 FIGURE 7 COMMONWALL MOUNTINGINSTRUCTIONS MIS 550 ...

Page 13: ...o nuisance tripping due to the momentary high starting current of the compressor motor The disconnect access door on this unit may be locked to prevent unauthorized access to the disconnect To convert for the locking capability bend the tab located in the bottom left hand corner of the disconnect opening under the disconnect access panel straight out This tab will now line up with the slot in the ...

Page 14: ...ve and in Table 4 will work with this equipment The thermostat and subbase must be matched and the correct operation can be assured only by proper selection and application of these parts FIGURE 8 SHxxxDx HOT GAS REHEAT DURING DEHUMIDIFICATION WITH CS2000A ENERGY MONITOR FULL TIME DEHUMIDIFICATION ...

Page 15: ...MMABLE THERMOSTAT FULL TIME DEHUMIDIFICATION IMPORTANT NOTE Only the thermostat and subbase combinations as shown in Table 4 will work with this equipment The thermostat and subbase must be matched and the correct operation can be assured only be proper selection and application of these parts ...

Page 16: ...ATS t a t s o m r e h T s e r u t a e F t n a n i m o d e r P 2 4 0 3 0 4 8 0 7 0 1 G 1 1 5 8 T t a e h e g a t s 2 l o o c e g a t s 1 e l b a m m a r g o r P n o N c i n o r t c e l E r e v o e g n a h C l a u n a M r o o t u A 9 4 0 3 0 4 8 0 8 3 3 9 F 1 t a e h e g a t s 3 l o o c e g a t s 2 e l b a m m a r g o r P y a D 7 r e v o e g n a h C l a u n a M r o o t u A TABLE 2 THERMOSTAT WIRE SI...

Page 17: ...option E terminal is the emergency heat input This terminal energizes the emergency heat relay W3 terminal is the dehumidification input This terminal energizes compressor blower and three way valve NOTE For total and proper control using DDC a total of 7 controlled outputs are required 6 if no ventilation system is installed For proper system operation under Emergency Heat conditions where the co...

Page 18: ...d current draw compared to tabulate values The direction of rotation of the compressor may be changed by reversing any two line connections to the unit PHASE MONITOR All units with three phase compressors are equipped with a 3 phase line monitor to prevent compressor damage due to phase reversal The phase monitor in this unit is equipped with two LEDs If the Y signal is present at the phase monito...

Page 19: ...and time on the solid state heat pump control See Figure 11 When the outdoor temperature is in the lower 40 F temperature range or colder the outdoor coil temperature is 32 F or below This coil temperature is sensed by the coil temperature sensor mounted near the bottom of the outdoor coil Once coil temperature reaches 30 F or below the coil temperature sensor sends a signal to the control logic o...

Page 20: ...outdoor temperature having to fall into the defrost region In order to terminate the defrost test the SEN JMP jumper must be removed If left in place too long the compressor could stop due to the high pressure control opening because of high pressure condition created by operating in the cooling mode with outdoor fan off Pressure will rise fairly fast as there is likely no actual frost on the outd...

Page 21: ...c a l p e R t o n g n i s a h p r e w o P t c e r r o c e s a h p n o D E L d e r r o f k c e h C y l n o s t i n u e s a h p 3 r o t i n o m t i n u e h t o t s d a e l r e w o p o w t h c t i w S r o t o m r o o d t u o n a F n u r t o n s e o d g n i t a e h r o g n i l o o c g n i r u d t p e c x e t s o r f e d e v i t c e f e d r o t o M d e t r o h s r o n e p o r o f k c e h C g n i d n i ...

Page 22: ... 59 0 60 0 61 0 62 0 63 0 64 0 65 0 66 0 67 0 68 0 69 0 70 0 71 0 72 0 73 0 74 0 39898 38757 37652 36583 35548 34545 33574 32634 31723 30840 29986 29157 28355 27577 26823 26092 25383 24696 24030 23384 22758 22150 21561 20989 20435 19896 19374 18867 18375 17898 17434 16984 16547 16122 15710 15310 14921 14544 14177 13820 13474 13137 12810 12492 12183 11883 11591 11307 11031 10762 75 0 76 0 77 0 78 0...

Page 23: ...e i p u c c O X X X X X X X e d o M g n i l o o C m u h e D W X X X X X X g n i t a e H e g a t S t s 1 d e i p u c c o n U X X X X X X X g n i t a e H e g a t S t s 1 d e i p u c c O X X X X X X g n i t a e H e g a t S t s 1 m u h e D W X X X X X X X X X g n i t a e H e g a t S d n 2 d e i p u c c o n U X X X X X X X X X g n i t a e H e g a t S d n 2 d e i p u c c O X X X X X X X X X X X g n i t ...

Page 24: ... D 1 6 2 H S D 1 1 3 H S 0 0 8 0 0 8 9 6 7 6 8 6 6 6 6 6 4 6 6 6 4 6 TABLE 8 INDOOR BLOWER PERFORMANCE CFM 230V P S E H n I 2 O D 1 1 3 H S D 1 6 2 H S d e e p S w o L d e e p S h g i H y r D l i o C t e W l i o C y r D l i o C t e W l i o C 0 1 2 3 0 5 9 0 4 8 0 5 7 0 0 9 0 0 8 0 5 6 0 5 0 1 0 0 9 0 5 7 0 0 6 0 0 0 1 0 5 8 0 0 7 0 5 5 TABLE 9 RECOMMENDED OPERATING RANGES Rated CFM and ESP on high...

Page 25: ... 5 0 2 5 7 0 2 2 6 7 7 3 2 7 7 4 5 2 8 7 2 7 2 8 7 1 9 2 9 7 9 0 3 9 7 0 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 8 7 5 9 1 9 7 0 1 2 0 8 6 2 2 1 8 3 4 2 2 8 0 6 2 3 8 9 7 2 3 8 8 9 2 4 8 7 1 3 4 8 8 3 3 B D g e d 5 8 B W g e d 2 7 e d i S w o L e d i S h g i H 1 8 2 0 2 2 8 7 1 2 3 8 4 3 2 4 8 2 5 2 5 8 9 6 2 6 8 9 8 2 6 8 8 0 3 7 8 8 2 3 7 8 0 5 3 TABLE 11 HEATING PRESSURES ...

Page 26: ... z i r o t o M X X X X X X B 3 A V R E W B 3 C V R E W 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 o t a l i t n e V y r e v o c e R y g r e n E X X X X X X 3 H M C 7 H M C 9 H M C C P L l o r t n o C e r u s s e r P w o L C A L l o r t n o C t n e i b m A w o L C P L C A L X X X X X X X X X X X X X X 4 1 H M C T D O t a t s o m r e h T r o o d t u O X X 5 1 C M C K S t i K t r a t S X X SH2...

Page 27: ...Manual 2100 408C Page 25 FIGURE 13 BARD HEAT PUMP COOLING MODE CIRCUIT DIAGRAM FIGURE 14 BARD HEAT PUMP DEHUMIDIFICATION MODE CIRCUIT DIAGRAM MIS 1426 MIS 1427 ...

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