Bard WH243D Installation Instructions Manual Download Page 18 | Manualshive

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Manual 2100-441
Page 16

TROUBLESHOOTING

SOLID STATE HEAT PUMP CONTROL
TROUBLESHOOTING PROCEDURE

1. Turn on AC power supply to indoor and outdoor

units.

2. Turn thermostat blower switch to “fan on” – the

indoor blower should start. (If it doesn’t,
troubleshoot indoor unit and correct problem.)

3. Turn thermostat blower switch to “auto” position.

Indoor blower should stop (after time delay).

4. Set system switch to “heat” or “cool”. Adjust

thermostat to call for heat or cool – the indoor
blower, compressor and outdoor fan should start.

NOTE: If there was no power to 24 volt transformer,

the compressor and outdoor fan motor will not
start for 5 minutes. This is because of the
compressor short cycle protection.

TABLE 5

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«
...
16
17
18
19
20
...
»

Summary of Contents for WH243D

Page 1: ...TRUCTIONS WALL MOUNTED PACKAGE HEAT PUMP Model WH243D Manual 2100 441 Supersedes File Volume III Tab 17 Date 10 23 03 Bard Manufacturing Company Bryan Ohio 43506 Since 1914 Moving ahead just as planne...

Page 2: ...11 Fan Blade Setting 18 Figure 12 Circuit Diagram H P Cooling Mode 22 Figure 13 Circuit Diagram H P Dehumidification 22 Start Up Important Installer Note 13 Crankcase Heaters 13 Service Hints 13 Seque...

Page 3: ...ACCA Manual D Winter and Summer Air Conditioning and Equipment Selection FOR MORE INFORMATION CONTACT THESE PUBLISHERS ACCA Air Conditioning Contractors of America 1712 New Hampshire Ave N W Washingt...

Page 4: ...red in this manual is to be installed by trained experienced service and installation technicians The refrigerant system is completely assembled and charged All internal wiring is complete The unit is...

Page 5: ...i n U h t d i W W h t p e D D t h g i e H H y l p p u S n r u t e R E F G I J K L M N O P Q R S T A B C B D 3 4 2 H W 0 3 3 3 5 2 1 7 1 3 6 5 0 7 8 8 7 8 8 9 1 8 8 1 1 8 8 9 1 0 0 5 3 0 5 8 1 5 7 5 2...

Page 6: ...three feet of duct attached to the outlet air frame is required See Pages Wall Mounting Instructions and Figure 3 for further details Ducts through the walls must be insulated and all joints taped or...

Page 7: ...bly and sliding the brackets apart to the required width and retightening the four 4 screws FRESH AIR INTAKE All units are built with fresh air inlet slots punched in the service panel If the unit is...

Page 8: ...airflow to the outdoor coil Additional clearance may be required to meet local or national codes WIRING MAIN POWER Refer to the unit rating plate for wire sizing information and maximum fuse or HACR...

Page 9: ...Manual 2100 441 Page 7 FIGURE 3 MOUNTINGINSTRUCTIONS MIS 353...

Page 10: ...Manual 2100 441 Page 8 FIGURE 5 WALLMOUNTINGINSTRUCTIONS SEE UNIT DIMENSIONS FIGURE 1 FOR ACTUAL DIMENSIONS MIS 549 MIS 548 FIGURE 4 WALLMOUNTINGINSTRUCTIONS SEE FIGURE 3 MOUNTING INSTRUCTIONS...

Page 11: ...Manual 2100 441 Page 9 FIGURE 6 COMMONWALLMOUNTINGINSTALLATIONS MIS 550...

Page 12: ...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 FIGURE 7 WHXXXDX H...

Page 13: ...wn 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 FIGURE 8 WHXXXDX...

Page 14: ...ockout output This terminal is activated on a high or low pressure trip by the electronic heat pump control This is a 24 VAC output W2 terminal is second stage heat if equipped O1 terminal is the vent...

Page 15: ...fuses or circuit breakers to be sure they are the correct rating 5 Periodic cleaning of the outdoor coil to permit full and unrestricted airflow circulation is essential SEQUENCE OF OPERATION OCCUPIED...

Page 16: ...g the compressor and reversing valve of the unit are energized to provide heat pump heating If the room temperature falls below the 2nd stage heating set point backup electric heat is energized Heat p...

Page 17: ...frost operation of the unit without waiting for the outdoor ambient to fall into the defrost region By placing a jumper across the SEN JMP terminals a 1 4 inch QC terminal works best the defrost senso...

Page 18: ...c a t n o C l i o c 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 w r o t c a t n o c e c a l p e R r o t o m r o o d t u o n a F g n i l o o c n u r t o n s e o d t p e c x e g n i t a e h r...

Page 19: ...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 88 0 89 0 90 0...

Page 20: ...emperature 6 from compressor as shown in Table 7 The suction line temperatures shown in Table 7 are based upon 80 F dry bulb 67 F wet bulb 50 R H temperature and rated airflow across the evaporator du...

Page 21: ...3 4 2 H 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 5 7 6 1 2 6 7 9 2 2 7 7 2 4 2 9 7 6 5 2 0 8 1 7 2 1 8 6 8 2 3 8 2 0 3 4 8 8 1 3 6 8 6 3 3 B D g e d 0 8 B W g e d 7 6 e d i S w o L...

Page 22: ...r e p m a D r i A h s e r F c i r t e m o r a B r e p m a D r i A h s e r F d e z i r o t o M t s u a h x E h t i w r o t a l i t n e V m o o r s s a l C t s u a h x E h t i w r e z i m o n o c E r o...

Page 23: ...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 a e H e g a t S d n 2 m u h e D W X X X X X X X X X X t a e H y c n e g r e m E d e i...

Page 24: ...V 2 THRU 3 1 2 TON USE ORIFICE OUTDOOR COIL INDOOR COIL REHEAT COIL 4 WAY VALVE CHECK VALVE CAPILLARY DRAIN ASSY 3 WAY VALVE COMPRESSOR TXV 2 THRU 3 1 2 TON USE ORIFICE OUTDOOR COIL FIGURE 12 BARD MFG...

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