Bard WH421D Series Installation Instructions Manual Download Page 1

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WALL MOUNTED

PACKAGE HEAT PUMPS

MODELS:

WH421D
WH483D
WH602D

INSTALLATION INSTRUCTIONS

Manual :

2100-403A

Supersedes: 2100-403
File:

Volume III Tab 17

Date:

09-01-03

Bard Manufacturing Company, Inc.
Bryan, Ohio 43506

Since 1914...Moving ahead just as planned.

Summary of Contents for WH421D Series

Page 1: ...T PUMPS MODELS WH421D WH483D WH602D INSTALLATION INSTRUCTIONS Manual 2100 403A Supersedes 2100 403 File Volume III Tab 17 Date 09 01 03 Bard Manufacturing Company Inc Bryan Ohio 43506 Since 1914 Movin...

Page 2: ...vs Resistance of Temperature Sensor 20 Fan Blade Dimensions 21 Removal of Fan Shroud 21 Refrigerant Charge 21 Pressure Tables 22 23 Optional Accessories 23 Figures Figure 1 Unit Dimensions 3 Figure 2...

Page 3: ...r and Summer Air Conditioning Low Pressure Low Velocity ACCA Manual D or Q Duct System Design for Winter and Summer Air Conditioning For more information contact these publishers ACCA Air Conditioning...

Page 4: ...6 3 0 0 6 5 2 CONTROL MODULES See Chart Below NOTE For 0 KW and circuit breakers 230 208 V or pull disconnects 460 V applications insert 0Z in the KW field of model number MODEL NUMBER CAPACITY 42 3 1...

Page 5: ...Manual 2100 403 Page 3 FIGURE 1 UNIT DIMENSIONS MIS 411...

Page 6: ...1 4 3 0 6 6 8 0 5 0 7 0 9 8 6 3 0 1 8 8 A N 4 3 4 3 A N 6 2 2 5 A N 0 5 0 5 A N 0 3 0 6 A N 8 8 A N 0 1 6 A N 0 1 0 1 A N 0 1 0 1 Z 0 B 0 0 B D 1 2 4 H W 6 0 B 3 9 0 B 3 8 0 2 0 3 2 1 1 1 6 2 4 4 3 5...

Page 7: ...rs 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 conde...

Page 8: ...r drainage FRESH AIR INTAKE All units are built with fresh air inlet slots punched in the service panel If the unit is equipped with the fresh air damper assembly the assembly is shipped already attac...

Page 9: ...pening would then be 32 x 12 See Figures 2 4 and 7 for details 3 Locate and mark lag bolt locations and bottom mounting bracket location See Figure 4 4 Mount bottom mounting bracket 5 Hook top rain fl...

Page 10: ...nch minimum spacing is maintained at all points Failure to do this could result in overheating the combustible material and may result in fire FIGURE 4 ELECTRIC HEAT CLEARANCE Side section view of sup...

Page 11: ...3 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 DU...

Page 12: ...Manual 2100 403 Page 10 FIGURE 7 COMMONWALL MOUNTINGINSTALLATIONS MIS 550...

Page 13: ...e operating voltage range for the 240 and 208V taps are Nine 9 wires should be run from thermostat subbase to the 24V terminal board in the unit A nine conductor 18 gauge copper color coded thermostat...

Page 14: ...hermostat and subbase must be matched and the correct operation can be assured only by proper selection and application of these parts MIS 1561 NC C C R NC C AREA OCCUPIED PWR HVAC H600A 6 5 4 3 C G R...

Page 15: ...ons 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 MIS 15...

Page 16: ...c that will prevent compressor for operating will cause red lamp to activate This is a signal to the operator of the equipment to place system in emergency heat position TABLE 3 THERMOSTAT WIRE SIZE r...

Page 17: ...Monitor on page 15 of this manual Verification of proper rotation must be made any time a compressor is change or rewired If improper rotation is corrected at this time there will be no negative impac...

Page 18: ...call for dehumidification the compressor and three way valve of the unit are energized to provide dehumidification Dehumidification mode will continue until the humidistat is satisfied If the room te...

Page 19: ...erminal The manufacturer s recommendation is for 60 minute defrost cycles Refer to Figure 11 There is a cycle speed up jumper on the control This can be used to reduce the time between defrost cycle o...

Page 20: ...Manual 2100 403 Page 18 FIGURE 11 DEFROST CONTROL BOARD...

Page 21: ...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...

Page 22: ...85371 82699 80121 77632 75230 72910 70670 68507 66418 64399 62449 60565 58745 56985 55284 53640 52051 50514 49028 47590 46200 44855 43554 42295 41077 25 0 26 0 27 0 28 0 29 0 30 0 31 0 32 0 33 0 34 0...

Page 23: ...s shown in the Table 7 TABLE 7 SUCTION LINE TEMPERATURES 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 2 4 H W 3 8 4 H W 2 0 6 H W 0 0 4 1 0 5 5 1...

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

Page 25: ...9 3 1 3 5 0 A 2 4 H W H E s e g a k c a P r e t a e H X 0 1 A 2 4 H W H E s e g a k c a P r e t a e H X 6 0 C 2 4 H W H E s e g a k c a P r e t a e H X 5 0 A 4 0 H W H E s e g a k c a P r e t a e H X...

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