Bard Q24H3-A Installation Instructions Manual Download Page 31 | Manualshive

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Manual 2100-652A
Page

31 of 42

FIGURE 21

Fresh Air Damper Removal

MOUNTING

SCREW

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Summary of Contents for Q24H3-A

Page 1: ...Bryan Ohio 43506 www bardhvac com Manual No 2100 652A Supersedes 2100 652 Date 10 11 17 Q TECTM SERIES PACKAGED HEAT PUMP Models Q24H3 A Q24H3 B Q24H3 C Q30H3 A Q30H3 B Q30H3 C Q36H3 A Q36H3 B Q36H3 C Q43H3 A Q43H3 B Q43H3 C Q48H3 A Q48H3 B Q48H3 C Q60H3 A Q60H3 B Q60H3 C ...

Page 2: ...7 Figure 4 Unit on Appliance Cart for Moving 8 Figure 5 Installation With Duct Free Plenum 9 Figure 6 Ducted Application 9 Figure 7 Supply Duct Connections 10 Figure 8 Filter Location 10 Figure 9 Optional Side Drain 12 Figure 10 Standard Rear Drain 12 Figure 11 Rear Drain Top View 12 Figure 12A Optional Rear Drain Kit 13 Figure 12B Optional Rear Drain Kit 14 Figure 12C Optional Rear Drain Kit 15 F...

Page 3: ...and Summer Manual N Air Conditioning Low Pressure Low Velocity ACCA Manual D or Duct System Design Manual Q Winter and 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...

Page 4: ... A 230 208 60 1 B 230 208 60 3 C 460 60 3 INTERNAL CONTROLS X Standard High Pressure Switch Low Pressure Switch Compressor Time Delay E Low Ambient Control Q Outdoor Thermostat R Low Ambient Control and Outdoor Thermostat CLIMATE CONTROL OPTIONS X None D Electronic Prog Man Auto H Electronic Prog Man Auto with CO2 B Electronic Prog Humidistat BACNet C Electronic Prog Humidistat BACNet CO2 MODEL NU...

Page 5: ...3 C0Z C06 C09 C15 460 3 1 1 1 1 13 22 27 27 15 25 30 30 14 10 10 10 14 10 10 10 Q48H3 A0Z A05 A10 A15 230 208 1 1 1 or 2 1 or 2 1 or 2 35 60 85 85 50 70 90 90 8 6 4 4 10 8 8 8 35 35 35 25 50 50 50 50 50 25 50 50 8 8 8 10 8 8 10 10 10 10 10 10 Q48H3 B0Z B06 B09 B15 230 208 3 1 1 1 1 28 47 56 56 40 50 60 60 8 8 6 6 10 10 10 10 Q48H3 C0Z C06 C09 C15 460 3 1 1 1 1 15 24 28 28 20 25 30 30 12 10 10 10 1...

Page 6: ...Manual 2100 652A Page 6 of 42 FIGURE 1 Unit Dimensions ...

Page 7: ...emoved to provide a place to hold the unit The unit can be slid forward on the skid until the front wheels hang over the edge of the skid see Figure 3 B The unit can be tipped forward and slid down the edge of the skid until the front wheels touch the ground see Figure 3 C The wheels will not roll They are shipped from the factory locked so they will not roll The back of the skid will have to be h...

Page 8: ...se instructions and any instructions packaged with any separate equipment required to make up the entire air conditioning system should be carefully read before beginning the installation Note particularly Start Procedure and any tags and or labels attached to the equipment While these instructions are intended as a general recommended guide they do not supersede any national and or local codes in...

Page 9: ...Manual 2100 652A Page 9 of 42 FIGURE 6 Ducted Application FIGURE 5 Installation with Duct Free Plenum ...

Page 10: ...ucted and either free blow with the use of QPB Plenum Box or a duct supply air system The QPB and QPBHW Plenum Box mounts on top of the unit and has both vertically and horizontally adjustable louvers on the front discharge grille For hot water coil option a QPBHWxx F for free blow or QPBHWxx D for ducted airflow is used When used with a ducted supply a QCX Cabinet Extension can be used to conceal...

Page 11: ...through the floor or through the wall If the drain is to be routed through an unconditioned space it must be protected from freezing The drain line must be able to be removed from the unit if it is necessary to remove the unit from the wall When the side drain is used the plug must be removed and installed in the rear drain outlet The rear drain can be used with wall thickness of up to 10 where a ...

Page 12: ...dard Rear Drain FIGURE 9 Optional Side Drain Side View Q TEC UNIT Water Trap FIGURE 11 Rear Drain Top View Wall maximum 10 for rear drain Couplings not shown but recommended for ease of removability for service Sleeve Drain Line Wall Bracket Unit ...

Page 13: ...Manual 2100 652A Page 13 of 42 MIS 2469 DRAIN BOX WALL SLEEVE OVERFLOW TUBE CAULK AROUND TUBE FIGURE 12A ...

Page 14: ...4 PLASTIC PIPE NIPPLE HORIZONTAL TO FLOOR TIGHTEN THREADS SO TEE IS THREADS APPLY TEFLON TAPE TO REAR DRAIN CONNECTION IN Q Tec PRODUCT 1 2 SLIP X 1 2 SLIP X 3 4 NPT TEE SUPPLIED WITH DRAIN BOX KIT PLUG INSTALLED IN SIDE Q Tec DRAIN MIS 2470 FIGURE 12B IMPORTANT ...

Page 15: ...Manual 2100 652A Page 15 of 42 MIS 2471 A REMOVE KNOCK OUT FOR INDOOR DRAIN HOSE CONNECTOR FIGURE 12C If used ...

Page 16: ...MOVE HOSE FROM ATTACHMENT IN LOWER DRAIN PAN AND SLIDE ONTO DRAIN BOX BARB FITTING SECURING WITH SUPPLIED CLAMP IF OUTDOOR PAN IS BYPASSED WILL REDUCE RISK OF ALGAE GROWTH IN THE OUTDOOR PAN BUT AT A SLIGHT COOLING PERFORMANCE REDUCTION OF 2 3 MIS 2472 A FIGURE 12D ...

Page 17: ...E 13B Unit Mounting Method 2 FIGURE 13A Unit Mounting Method 1 Bottom Trim Piece Bottom Trim Extension Mounting Bracket Side Trim 2 PCS Side Trim 2 PCS Cabinet Side Panel Enlarged view of mounting bracket showing sleeve to cabinet attachment Mounting Bracket 8 Screw Provided Light Color Wall Sleeve 10 Hex Head Screw Provided ...

Page 18: ...ides of the unit as it is being rolled to keep it centered in the sleeve Also check the alignment to the mounting brackets This unit must be level from side to side If adjustments are necessary shim up under the rollers with sheets of steel or any substance that is not affected by moisture 5 Make sure the gasket on the rear of the unit is touching the sleeve across the top and down both sides This...

Page 19: ...ic heat there may be two field power circuits required If this is the case the unit serial plate will so indicate All models are suitable only for connection with copper wire Each unit and or wiring diagram will be marked Use Copper Conductors Only These instructions MUST BE adhered to Refer to the National Electrical Code NEC for complete current carrying capacity data on the various insulation g...

Page 20: ... m e f i 2 W G e z i g r e n E n o i t a l i t n e V 1 O G e z i g r e n E t a e H y c n e g r e m E E 2 W B e z i g r e n E CAUTION Do not plug in or unplug blower motor connectors while the power is on Failure to do so may result in motor failure control options If the climate control option is abandoned and connections are made directly to P2 both pins 6 and 1 of P2 must be energized for proper...

Page 21: ...403 084 VT8600U5000B 2 stage Cool 2 stage Heat Programmable Non Programmable Electronic HP or Conventional Auto or Manual changeover with BACnet CSB9E THO 3 stage Cool 3 stage Heat Programmable Non Programmable Electronic HP or Conventional Auto or Manual changeover with Humidity Control BACnet MS TP or Ethernet Connection CSB9E THOC 3 stage Cool 3 stage Heat Programmable Non Programmable Electron...

Page 22: ... B SC W1 W1 E SC A SC 8 9 3 CS9BE THO 1 6 4 Thermostat Bard Part 8403 084 Factory installed jumper Terminal Block 9 10 6 5 3 11 8 Plug 2 1 12 7 2 4 G Low Voltage 1 Jumper E to W2 on the low voltage terminal block when using the 8403 084 thermostat with unit with 15 KW 1 1 2 1 2 FIGURE 17A Remote Thermostat Wiring Diagram X Thermostat Option NOTE On Option X field provided means to control ventilat...

Page 23: ...ontroller 4 2 Terminal Block Plug 2 10 4 COM 3 11 8 1 Out Part 8403 067 5 9 Low Voltage Mount relay in low voltage terminal block compartment 12 7 2 Relay is field installed and required if demand ventilation 3 2 signal O1 is supplied 1 Analog HOT 24 VAC 3 6 5 2 control does not supply blower G signal when ventilation 6 G 1 MIS 2688 C 4 4 Jumper W2 to W3 at terminal block when using 8403 084 with ...

Page 24: ...d White Blue 9 W1 E 10 6 Temp and Humidity Controller PART 8403 060 5 Black White G O B 3 11 8 4102 060 R Y1 Plug 2 C W2 1 Yellow 12 Red Yellow Brown 7 Orange A Brown White 4 FIGURE 18 Unit Mounted Thermostat Wiring Diagram D Thermostat Option ...

Page 25: ...ite G O B 3 11 8 4102 059 A R Y1 Plug 2 C 1 Yellow 12 Red Yellow Brown 7 A Brown White 2 Out 24 VAC Red White Brown White 4 W2 Orange Red White 4 CO2 Controller W1 E 2 1 Red White 6 5 1 4 10 Controller Part 8201 062 COM Part 8403 067 Relay 2 HOT 6 3 3 Black White 5 FIGURE 19 Unit Mounted Thermostat Wiring Diagram H Thermostat Option ...

Page 26: ...low Orange Red White Plug 2 4102 078 Orange 8 12 9 Black White Blue 3 6 Red Yellow Brown 11 10 4 W2 A SC SC W1 E G O B R Y1 C SC Temp and Humidity Controller B CS9BE THO C CS9BE THOC FIGURE 20 Unit Mounted Thermostat Wiring Diagram B or C Thermostat Option ...

Page 27: ...tiple 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 of...

Page 28: ...r 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 monitor and phases are correct the green LED will light and the compressor contactor is allowed to energize If phases are reversed the red fault LED will be lit and compressor operation is inhibited If a fault condition occurs reverse two of the supply leads to the unit D...

Page 29: ... the top center screw only from the cabinet side panel g Remove screws that attach the duct work to the unit flanges This unit is equipped with four rollers mounted to the base For ease in pulling unit out from the wall it may be desirable to remove the bottom service door which requires removal of the return air panel Grip the front flange of the base pan and pull straight out 7 Annual maintenanc...

Page 30: ...p and the bottom can be pulled toward the front of the unit and removed VENT OPTIONS Barometric Fresh Air Damper Standard Before starting make sure the power has been turned off The return air grille panel must be removed The fresh air damper assembly can be seen on the back of the unit see Figure 21 1 The fresh air damper is attached to the back of the unit with one screw on either side of the as...

Page 31: ...Manual 2100 652A Page 31 of 42 FIGURE 21 Fresh Air Damper Removal MOUNTING SCREW ...

Page 32: ...Manual 2100 652A Page 32 of 42 FIGURE 22 QERV Removal MOUNTING SCREWS FRONT FILL LOWER BLOWER ASSEMBLY POWER CONNECTOR POWER CONNECTORS ...

Page 33: ... and starting compressor and outdoor motor R G also makes starting indoor blower motor PRESS UP AND DOWN ARROWS TO ENTER CONFIGURATION MODE USE ARROWS TO SELECT SETTING PUSH MIDDLE BUTTON TO CHANGE CONTROLLER WILL SHOW SET NOTE MENU JUMPER MUST BE SET TO ON TO CHANGE ANY SETTINGS WITH THE FRONT BUTTONS TO LOCK THE CO2 CONTROLLER MOVE JUMPER TO OFF AFTER IT HAS BEEN CONFIGURED Settings Recommended ...

Page 34: ...the first 30 60 120 or 180 seconds of Y operation After this period expires the control will then monitor the low pressure switch input normally to make sure that the switch is closed during Y operation PRESSURE SERVICE PORTS High and low pressure service ports are installed on all units so that the system operating pressures can be observed Pressure tables covering all models can be found on page...

Page 35: ...o reset which at that point then allows the compressor to be restarted as long as the 5 minute short cycle timer has run out If the high pressure switch trips a third time within 1 hour the unit is in hard lockout indicating something is wrong and it will not restart itself 120 SW 1 SW 2 TIME SEC OFF OFF ON ON OFF ON OFF ON 30 60 180 LOW PRESSURE BYPASS TIMER SWITCH FACTORY SETTING 120 SECONDS ACC...

Page 36: ... 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 terminals This should cause th...

Page 37: ...74 22 0 43554 60 0 15310 98 0 6098 15 0 139576 23 0 42295 61 0 14921 99 0 5961 14 0 134956 24 0 41077 62 0 14544 100 0 5827 13 0 130506 25 0 39898 63 0 14177 101 0 5697 12 0 126219 26 0 38757 64 0 13820 102 0 5570 11 0 122089 27 0 37652 65 0 13474 103 0 5446 10 0 118108 28 0 36583 66 0 13137 104 0 5326 9 0 114272 29 0 35548 67 0 12810 105 0 5208 8 0 110575 30 0 34545 68 0 12492 106 0 5094 7 0 1070...

Page 38: ...if 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...

Page 39: ...inal location and orientation 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 Figu...

Page 40: ...NSION A INCHES All Q H3 Models 750 Model Rated ESP Max ESP Rated CFM Optional CFM Continuous CFM CFM Max ESP Q24H3 n 10 0 5 800 N A 800 700 Q30H3 15 0 8 1000 N A 1000 910 Q36H3 15 0 8 1200 1000 1000 1175 Q43H3 15 0 8 1200 1000 1000 1175 Q48H3 15 0 8 1400 1100 1100 1175 Q60H3 20 0 5 1550 1250 1100 1400 NOTE These units are equipped with a variable speed ECM indoor motor that automatically adjusts i...

Page 41: ...de 124 333 127 353 130 374 133 397 135 420 137 446 138 471 139 498 140 527 141 557 80 DB 67 WB Low Side High Side 133 342 136 362 139 384 142 407 144 431 146 457 148 483 149 511 150 541 151 571 85 DB 72 WB Low Side High Side 138 354 141 375 144 397 147 421 149 446 151 473 153 500 154 529 155 560 156 591 Q48H3 75 DB 62 WB Low Side High Side 120 337 122 362 123 385 125 410 128 436 130 461 132 488 13...

Page 42: ...6 33 264 43 272 52 281 61 289 69 298 78 307 85 317 92 327 99 337 106 347 112 358 117 369 Q48H3 70 Low Side High Side 171 241 123 254 85 266 56 278 36 289 26 300 25 310 34 320 52 329 80 338 117 346 163 354 219 362 Q60H3 70 Low Side High Side 38 253 40 262 42 271 46 280 50 288 56 297 62 305 69 313 78 321 87 329 97 337 109 344 121 352 TABLE 10 Heating Pressure All Temperatures in Degrees F Low side p...

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