Bard T24H1 Installation Instructions Manual Download Page 1

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Manual 2100-541D
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INSTALLATION INSTRUCTIONS

WALL MOUNTED

PACKAGE HEAT PUMPS

Standard & Dehumidification

MODELS

T24H1

T24H1D

T30H1

T30H1D

T36H1

T36H1D

T42H1

T42H1D

T48H1

T48H1D

T60H1

T60H1D

Manual: 2100-541D
Supersedes: 2100-541C
File:

Volume III Tab 17

Date: 03-28-14

Bard Manufacturing Company, Inc.
Bryan, Ohio 43506

Since 1914...Moving ahead just as planned.

Summary of Contents for T24H1

Page 1: ...T PUMPS Standard Dehumidification MODELS T24H1 T24H1D T30H1 T30H1D T36H1 T36H1D T42H1 T42H1D T48H1 T48H1D T60H1 T60H1D Manual 2100 541D Supersedes 2100 541C File Volume III Tab 17 Date 03 28 14 Bard Manufacturing Company Inc Bryan Ohio 43506 Since 1914 Moving ahead just as planned ...

Page 2: ...e 5B Heating Pressure 23 Table 6A Electrical Specifications T H 24 Table 6B Electrical Specifications T H Dehum 25 Table 7 Indoor Blower Performance 26 Getting Other Information and Publications 3 Wall Mount General Information Wall Mount Model Nomenclature 4 Shipping Damage 4 General 4 Duct Work 5 Filters 5 Fresh Air Intake 5 Condensate Drain 5 Installation Instructions Wall Mounting Information ...

Page 3: ...nter and Summer Air Conditioning Duct Design for Residential 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 Washington DC 20009 Telephone 202 483 9370 Fax 202 234 4721 ANSI American National Standards Institute 11 West Street 13th Floor New York NY 10036 T...

Page 4: ...ss gain calculation made according to methods of Air Conditioning Contractors of America ACCA The air duct should be installed in accordance with the Standards of the National Fire Protection Association for the Installation of Air Conditioning and Ventilating Systems of Other Than Residence Type NFPA No 90A and Residence Type Warm Air Heating and Air Conditioning Systems NFPA No 90B Where local r...

Page 5: ...ct is used Contact distributor or factory for ordering information If using a return air filter grille filters must be of sufficient size to allow a maximum velocity of 400 fpm NOTE If no return air duct is used applicable installation codes may limit this cabinet to installation only in a single story structure FILTERS A 1 inch throwaway filter is standard with each unit The filter slides into po...

Page 6: ...combustible material See Figure 3 for details on opening sizes 3 Locate and mark lag bolt locations and bottom mounting bracket location See Figures 3A 3B 4 Mount bottom mounting bracket 5 Hook top rain flashing attached to front right of supply flange for shipping under back bend of top 6 Position unit in opening and secure with 5 16 lag bolts use 7 8 inch diameter flat washers on the lag bolts 7...

Page 7: ...cket Back View M L O E R S S S S S T 44 N Q P B FIGURE 2 All dimensions are in inches Dimensional drawings are not to scale T H RIGHT UNIT Dimensions of Basic Unit for Architectural and Installation Requirements Nominal Model Width W Depth D Height H Supply Return A B C B E F G I J K L M N O P Q R S T T24H T30H 38 200 17 125 70 563 7 88 27 88 13 88 27 88 40 00 10 88 25 75 17 93 26 75 28 75 29 25 2...

Page 8: ... CLEARANCE ON ALL RAIN FLASHING COMBUSTIBLE MATERIALS DUCT TOP FLASHING AT TIME OF INSTALLATION 1 4 MIN CLEARANCE FROM REQUIRED DIMENSIONS TO MAINTAIN OPENING ENTIRE LENGTH OF TOP MATERIALS NOTES OF CAULKING ALONG PANEL FOAM AIR SEAL FOUR SIDES OF SUPPLY AIR DUCT IS REQUIRED FROM COMBUSTABLE WALL STRUCTURE TOP MIS 311 C Wall Opening and Hole Location View Right Side View WALL HEATER ACCESS SEAL WI...

Page 9: ...9 3 4 32 12 5 1 2 2 NOTES WALL STRUCTURE 1 SUPPLY AIR IT IS RECOMMENDED THAT A BEAD OF OPENING Right Side View RAIN FLASHING SILICONE CAULKING BE PLACED BEHIND RECOMMENDED 1 CLEARANCE FROM THE SIDE MOUNTING FLANGES AND UNDER TOP FLASHING AT TIME OF INSTALLATION TOP PANEL HEATER ACCESS FOUR SIDES OF SUPPLY AIR DUCT IS REQUIRED FROM COMBUSTABLE WALL 1 4 CLEARANCE ON ALL MATERIALS Supply Opening FOAM...

Page 10: ...s 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 overheating the combustible material and may result in a fire causing damage injury or death SIDE SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1 4 INCH CLEARANCE TO COMBUSTIBLE SURFACES ...

Page 11: ...AIR FACTORY SUPPLIED RAIN FLASHING SUPPLY AIR MIS 548 A SIDE VIEW I A C K E 1 000 B 1 000 SUPPLY DUCT OVER FRAME INTERIOR FINISHED WALL ALL AROUND DUCT FRAMING MATERIAL EXTERIOR FINISH WALL OPENING FOR ACTUAL DIMENSIONS 2 x 4 S 2 x 6 S OR STRUCTURAL STEEL ATTACH TO TOP 1 000 CLEARANCE 1 000 CLEARANCE PLATE OF WALL C SEE UNIT DIMENSIONS FIGURE 2 OPENING RETURN DUCT 2 x 6 ATTACH TO BOTTOM OVER FRAME...

Page 12: ... WALL OPENING W GRILLE SUPPLY DUCT MAYBE LOCATED IN AN ATTIC OR BELOW CEILING RAFTERS AS SHOWN CEILING RAIN RETURN AIR SLEEVE WALL SUPPLY AIR DUCT RAFTERS RAFTERS RETURN AIR OPENING W GRILLE RAIN FALSE WALL INSTALLATION DUCTED SUPPLY GRILLE OUTSIDE SPACE FALSE WALL RETURN AIR GRILLE OUTSIDE OR BELOW CEILING RAFTERS AS SHOWN FINISHED CEILING SURFACE RAIN FLASHING RAIN FLASHING RETURN AT UNIT NO DUC...

Page 13: ...circuit breaker that is to be used with the equipment The correct size must be used for proper circuit protection and also to assure that there will be no 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 locate...

Page 14: ...g 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 8 9 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 heati...

Page 15: ...rmostat This is done to maximize FIGURE 11 ELECTRIC HEAT HOLD OFF WIRING 15 20KW 1 PH 3 PH FIGURE 10 ELECTRIC HEAT HOLD OFF WIRING 4 10KW 1 PH 6 9KW 3 PH 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 increas...

Page 16: ...ltiple leaks and recharges R 410A refrigerant is close to being an azeotropic blend it behaves like a pure compound or single component refrigerant The remaining refrigerant charge in the system may be used after leaks have occurred and then top off the charge by utilizing the pressure charts on the inner control panel cover as a guideline REMEMBER When adding R 410A refrigerant it must come out o...

Page 17: ...mpact on the durability of the compressor However reverse operation for over one hour may have a negative impact on the bearing due to oil pump out NOTE If compressor is allowed to run in reverse rotation for several minutes the compressor s internal protector will trip All three phase ZP compressors are wired identically internally As a result once the correct phasing is determined for a specific...

Page 18: ...cumstances require a change to another time remove the wire from the 60 minute terminal and reconnect to the desired terminal Refer to Figure 12 There is a cycle speed up jumper on the control This can be used for testing purposes to reduce the time between defrost cycle operation without waiting for time to elapse Use a small screwdriver or other metallic object or another inch QC to short betwee...

Page 19: ... 28 120 SW 1 SW 2 TIME SEC OFF OFF ON ON OFF ON OFF ON 30 60 180 MIS 2668 A OFF LOW PRESSURE BYPASS TIMER SWITCH FACTORY SETTING 120 SECONDS ACCUMULATED DEFROST TIME TIMER FACTORY SETTING 60 MIN ON FIGURE 12 DEFROST CONTROL BOARD ...

Page 20: ...pump control defective Check for 24V between RV C and B C 1 Check control circuit wiring 2 Replace heat pump control Reversing valve solenoid coil defective Check for open or shorted coil Replace solenoid coil Unit will not go into defrost heating only Temperature sensor or heat pump control defective Disconnect temperature sensor from board and jumper across SPEEDUP terminals and SEN JMP terminal...

Page 21: ... 29986 73 0 11031 111 0 4562 2 0 91008 36 0 29157 74 0 10762 112 0 4464 1 0 88139 37 0 28355 75 0 10501 113 0 4367 0 0 85371 38 0 27577 76 0 10247 114 0 4274 1 0 82699 39 0 26823 77 0 10000 115 0 4182 2 0 80121 40 0 26092 78 0 9760 116 0 4093 3 0 77632 41 0 25383 79 0 9526 117 0 4006 4 0 75230 42 0 24696 80 0 9299 118 0 3921 5 0 72910 43 0 24030 81 0 9077 119 0 3838 6 0 70670 44 0 23384 82 0 8862 ...

Page 22: ...testing with this refrigerant charge quantity The following pressure tables show nominal pressures for the units Since many installation specific situations can affect the pressure readings this information should only be used by certified technicians as a guide for evaluating proper system performance They shall not be used to adjust charge If charge is in doubt reclaim evacuate and recharge the ...

Page 23: ... DB 72 WB Low Side High Side 147 345 150 362 152 382 154 403 156 425 157 450 159 477 160 506 162 536 164 568 T60H 75 DB 62 WB Low Side High Side 129 353 130 362 132 374 133 390 134 410 136 432 137 458 137 488 139 522 140 559 80 DB 67 WB Low Side High Side 138 362 139 371 141 384 142 400 144 428 145 443 146 470 147 501 149 535 150 573 85 DB 72 WB Low Side High Side 143 375 144 384 146 397 147 414 1...

Page 24: ...B0Z B06 B09 230 208 60 3 1 1 1 16 34 42 20 35 45 12 8 8 12 10 10 T24H1 C0Z C06 C09 460 60 3 1 1 1 9 18 23 15 20 25 14 12 10 14 12 10 T30H1 A00 A0Z A04 m AS8 p AF8 230 208 60 1 1 1 1 1 or 2 24 45 48 66 35 50 50 70 8 8 8 4 10 10 10 8 24 42 35 45 8 8 10 10 T30H1 B00 B0Z B06 B09 230 208 60 3 1 1 1 18 36 45 25 40 45 10 8 8 10 10 10 T30H1 C0Z C06 C09 460 60 3 1 1 1 10 19 24 15 20 25 14 12 10 14 12 10 T3...

Page 25: ...8 60 3 1 1 1 16 34 42 20 35 45 12 8 8 12 10 10 T24H1DC0Z DC06 DC09 460 60 3 1 1 1 9 18 23 15 20 25 14 12 10 14 12 10 T30H1DA00 DA0Z DA04 m DAS8 p DAF8 230 208 60 1 1 1 1 1 or 2 24 45 48 66 35 50 50 70 8 8 8 4 10 10 10 8 24 42 35 45 8 8 10 10 T30H1DB00 DB0Z DB06 DB09 230 208 60 3 1 1 1 18 36 45 25 40 45 10 8 8 10 10 10 T30H1DC0Z DC06 DC09 460 60 3 1 1 1 10 19 24 15 20 25 14 12 10 14 12 10 T36H1DA00...

Page 26: ...CM indoor motor that automatically adjusts itself to maintain approximately the same rate of indoor airflow in both heating cooling dry wet coil conditions and at both 230 208 or 460 volts Maximum ESP inches WC shown is with 2 thick disposable filter Blower only CFM is the total air being circulated during continuous fan mode Airflow remains constant Blower only CFM reduces during continuous fan m...

Page 27: ...it s air noise cabinet duct or motor noise interview customer if necessary Air noise High static creating high blower speed Is airflow set properly Does removing filter cause blower to slow down Check filter Use low pressure drop filter Check correct duct restrictions Symptom Cause Procedure Noisy blower or cabinet Check for loose blower housing panels etc High static creating high blower speed Ch...

Page 28: ...tion d Add a drip loop to the cables so that water cannot enter the motor by draining down the cables Refer to Figure 26 The installation is now complete Reapply the AC power to the HVAC equipment and verify that the new motor control module is working properly Follow the manufacturer s procedures for disposition of the old control module Figure 25 Figure 24 Figure 26 TROUBLESHOOTING ECM MOTORS CO...

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