Bard SH261, Installation Instructions Manual

Page 1: ...N INSTRUCTIONS WALL MOUNTED PACKAGE HEAT PUMPS Models SH261 SH311 Manual 2100 409C Supersedes 2100 409B File Volume III Tab 17 Date 07 20 06 Bard Manufacturing Company Inc Bryan Ohio 43506 Since 1914 Moving ahead just as planned Copyright 2003 ...

Page 2: ...n Instructions Wall Mounting Information 9 Mounting the Unit 9 Wiring Main Power 14 Wiring Low Voltage Wiring 14 Optional Outdoor Thermostat Applications 15 Thermostat Indicators 17 Low Voltage Connections 17 Start Up Important Installer Note 18 High Pressure Switch 18 Three Phase Scroll Compressor Start Up 18 Phase Monitor 18 Service Hints 18 Sequence of Operation 18 19 Pressure Service Ports 19 ...

Page 3: ...er Air Conditioning Manual N Low Pressure Low Velocity Duct ACCA Manual D or System Design for Winter and Manual Q Summer Air Conditioning For more information contact these publishers ACCA Air Conditioning Contractors of America 1712 New Hampshire Avenue Washington DC 20009 Telephone 202 483 9370 Fax 202 234 4721 ANSI American National Standards Institute 11 West Street 13th Floor New York NY 100...

Page 4: ... E Economizer Internal Fully Modulating with Exhaust R Energy Recovery Ventilator Motorized with Exhaust P Commercial Room Ventilator w Exhaust Power Open Close COIL OPTIONS X Standard 1 Phenolic Coated Evaporator 2 Phenolic Coated Condenser 3 Phenolic Coated Evaporator and Condenser CONTROL MODULES MODEL NUMBER CAPACITY 26 2 Ton 31 2 Ton VOLTS PHASE A 230 208 60 1 B 230 208 60 3 C 460 60 3 KW OUT...

Page 5: ...Manual 2100 409C Page 5 of 25 FIGURE 1 UNIT DIMENSIONS ...

Page 6: ...A U D d e t a R s t 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 ...

Page 7: ...he design airflow requirement of the equipment Air Conditioning Contractors of 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 7 for maximum static pressure available for duct design Design the duct work accordin...

Page 8: ...as required for Department 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 u...

Page 9: ...bustible material The supply air opening would then be 30 x 12 See Figures 3 and 4 for details 3 Locate and mark lag bolt locations and bottom mounting bracket location See Figure 4 4 Mount bottom mounting bracket If used 5 Hook top rain flashing under back bend of top Top rain flashing is shipped attached to the back of the unit on the right side 6 Position unit in opening and secure with 5 16 la...

Page 10: ...Manual 2100 409C Page 10 of 25 FIGURE 3 MOUNTING INSTRUCTIONS ...

Page 11: ...etween 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 1 4 minimum spacing is maintained at all points Failure to do this could result in overheating the combustible material which may result in a fire causing damage injury or death ...

Page 12: ...Manual 2100 409C Page 12 of 25 FIGURE 5 WALL MOUNTING INSTRUCTIONS SEE FIGURE 3 MOUNTING INSTRUCTIONS FIGURE 6 WALL MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS FIGURE 1 FOR ACTUAL DIMENSIONS ...

Page 13: ...Manual 2100 409C Page 13 of 25 FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS ...

Page 14: ... 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 door When shut a padlock may be placed through the hole in the tab preventing entry WIRING LOW VOLTAGE WIRING 230 208V 1 phase and 3 ...

Page 15: ... the correct set points NOTE The additional LAB low ambient bypass relay is required to prevent heater operation during low temperature cooling operation OPTIONAL COMPRESSOR CUTOFF THERMOSTAT SEE FIGURES 9 AND 10 Heat pump compressor operation at outdoor temperatures below 0 F are neither desirable nor advantageous in term of efficiency An outdoor thermostat can be applied to take the mechanical h...

Page 16: ...hermostat This is done to maximize efficiency by utilizing the heat pump to bring the conditioned space temperature up rather than cycling on the electric heat due a second stage call for heat from the thermostat on start up coming off a night set back condition or someone increasing the thermostat set point NOTE Some programmable thermostats do have a built in time delay for pulling in second sta...

Page 17: ...electronic heat pump control This is a 24 VAC output W2 terminal is second stage heat if equipped O1 terminal is the ventilation input This terminal energizes any factory installed ventilation option E terminal is the emergency heat input This terminal energizes the emergency heat relay NOTE For total and proper control using DDC a total of 6 controlled outputs are required 5 if no ventilation sys...

Page 18: ... and R Y on each heating on cycle energizing reversing valve solenoid and pulling in compressor contactor starting compressor and outdoor motor R G also make starting indoor blower motor IMPORTANT INSTALLER NOTE For improved start up performance wash the indoor coil with a dish washing detergent HIGH PRESSURE SWITCH All models are supplied with a remote reset high pressure switch If tripped this p...

Page 19: ...r 90 minute setting All models are shipped from the factory on the 60 minute pin If special circumstances require a change to another time remove the wire from the 60 minute terminal and reconnect to the desired terminal The manufacturer s recommendation is for 60 minute defrost cycles Refer to Figure 13 Use a small screwdriver or other metallic object or another 1 4 inch QC to short between the S...

Page 20: ...Manual 2100 409C Page 20 of 25 FIGURE 13 DEFROST CONTROL BOARD ...

Page 21: ... c e h C g n i d n i w r o t o m r o t o m e c a l p e R r o t i c a p a c r o t o M e v i t c e f e d k c e h C g n t a r r o t i c a p a c k c e h C r o t i c a p a c d e t r o h s r o n e p o r o f r o t i c a p a c e c a l p e R l o r t n o c p m u p t a e H e v i t c e f e d n o y a l e r n a f s s o r c a k c e h C C N m o C l o r t n o c p m u p t a e h l o r t n o c p m u p t a e h e c a l...

Page 22: ...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 79 0 80 0 81 0 82 0 83 0 84 0 85 0 86 0 87 0 ...

Page 23: ... cooling cycle REFRIGERANT CHARGE The correct system R 22 charge is shown on the unit rating plate Optimum unit performance will occur with a refrigerant charge resulting in a suction line temperature 6 from compressor as shown in Table 6 l e d o M d e t a R w o l f r i A D O F 5 9 e r u t a r e p m e T D O F 2 8 e r u t a r e p m e T 1 6 2 H S 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...

Page 24: ...2 0 9 6 6 2 0 9 6 8 2 1 9 7 0 3 2 9 1 3 3 2 9 5 5 3 3 9 1 8 3 1 1 3 H S 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 3 7 0 9 1 4 7 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 ...

Page 25: ...X 3 D A F M r e p m a D r i A h s e r F d e z i r o t o M X X X X X X A 3 A V R E W A 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 X X X X 4 1 H M C T D O t a t s o m r e h T r o ...