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Manual 2100-034G

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2 of 21

General Information

The User's Application Guide covers a wide range of heating and cooling products manufactured by Bard
Manufacturing Company. It is intended to be a general guide for care and operation of typical systems and covers the
most important features you should be aware of and are responsible for as the user of the equipment.
Because our product offerings are so varied and can be equipped with many features and options, it is not possible to
cover all aspects of what your specific system may be configured for. Some systems may be quite simple in features to
provide basic cooling and possibly heating, while other systems may also incorporate various ventilation technologies,
dehumidification circuits and many different internal controls as well as room temperature controls. Therefore, you
should request a detailed operation sequence and explanation of any special features from your installer and/or service
company and also have them instruct you as to any routine maintenance procedures you are responsible for.

Contents

Overview ........................................................................3

Documentation .............................................................4

Unit Literature Assembly – Documentation Provided
with Your Units .....................................................4

Unit Installation ...........................................................5

WALL MOUNT Products – Mounting the Product on
Wall Surface .........................................................5

WALL MOUNT Products – Clearances for Outdoor
Condenser Fan Airflow ...........................................6

WALL MOUNT Products – Clearances for Indoor
Supply and Return Airflow ......................................6

WALL MOUNT Products – Condensate and Defrost
Drainage ..............................................................7

I-TEC and Q-TEC Products – Installing the Product
Inside a Room ......................................................8

I-TEC and Q-TEC Products – Clearances for Outdoor
Condenser Fan Airflow ...........................................8

I-TEC and Q-TEC Products – Clearances for Indoor
Supply and Return Airflow ......................................9

I-TEC Air Path ................................................9

Q-TEC Air Path ...............................................9

I-TEC and Q-TEC Products – Condensate Drainage .10

All Products – Power Supply Verification ................11

Field-Supplied

Voltage ..................................11

Single and Three Phase Power .......................11

Hertz

(Frequency) .........................................11

Unit Maintenance .......................................................12

All Products – Filters and Filter Servicing ..............12

Outdoor Unit Wall Mount Room Air Filters .......12

WALL MOUNT Products – Filters and Filter
Servicing ............................................................13

I-TEC Indoor Products – Filters and Filter
Servicing ............................................................14

Q-TEC Indoor Products – Filters and Filter
Servicing ............................................................15

All Products – Coil Cleaning .................................16

Equipment Corrosion Protection .....................16

All Products – Condenser Airflow ..........................17

Unit Operation ............................................................18

Air-to-Air Cooling Products (Air Conditioners) .........18

Air-to-Air Cooling and Heating Products
(Heat Pumps) .....................................................18

Cooling

Mode ...............................................18

Heating

Mode ..............................................18

Water-to-Air Cooling and Heating Products

(Geothermal Heat Pumps) ....................................19

Cooling

Mode ...............................................19

Heating

Mode ..............................................19

Water Supply Systems ...................................19

Dehumidification and Ventilation Operation .......20

Dehumidification (Air-to-Air or Water-to-Air
Systems) ............................................................20

Ventilation Options (Air-to-Air or Water-to-Air
Systems) ............................................................20

Troubleshooting .........................................................21

All Units – Troubleshooting ..................................21

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Содержание Q-TEC Q A4D Series

Страница 1: ...838 Contains the following 2100 034 G User Guide 2100 479 Leak Test Evacuation Charging 2100 752 C Q24 42A4 Installation Instructions 2110 1568 G Replacement Parts Manual 7960 923 Dehum Supplemental Manual QA 7960 420 Warranty ...

Страница 2: ......

Страница 3: ...te Control Solutions BARDHVAC COM Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 034G Supersedes 2100 034F Date 12 17 20 USER S APPLICATION GUIDE AND TECHNICAL PRODUCT OVERVIEW ...

Страница 4: ...MOUNT Products Clearances for Outdoor Condenser Fan Airflow 6 WALL MOUNT Products Clearances for Indoor Supply and Return Airflow 6 WALL MOUNT Products Condensate and Defrost Drainage 7 I TEC and Q TEC Products Installing the Product Inside a Room 8 I TEC and Q TEC Products Clearances for Outdoor Condenser Fan Airflow 8 I TEC and Q TEC Products Clearances for Indoor Supply and Return Airflow 9 I T...

Страница 5: ...chnical Product Overview covers the following topics Documentation provided by Bard for proper use of your new product Unit installation guidelines Routine unit maintenance Unit operation Unit troubleshooting Please use this guide as a general overview regarding unit application maintenance and troubleshooting Refer to product installation instructions and supplemental documentation provided with ...

Страница 6: ...mputer at the office a laptop or an internet capable cell phone at the worksite Up to date documentation is available along with specification sheets and other valuable resources regarding your new Bard product Unit Literature Assembly Documentation Provided with Your Unit Bard products are shipped with documentation that when used by a technician with cooling and heating knowledge can ensure that...

Страница 7: ... sheet and a safety factor should be designed into the installation Typical fasteners to attach the unit to the wall using the integrated mounting flanges on both sides of the unit include tap cons bolts studs and other fastening devices The selection of the fasteners to be used needs to be reviewed by a construction professional and decided upon based on the wall construction and fastener strengt...

Страница 8: ...onents can be serviced and maintenance can be performed when needed National and local electrical codes must be reviewed before unit installation Always use common sense when installing products follow unit clearances given in the installation instructions and contact local Bard distributors when additional knowledge is needed regarding unit clearances for proper unit functionality WALL MOUNT Prod...

Страница 9: ...e water is generated inside the unit as moisture is extracted from the supply air This is collected in an evaporator pan and drained to either a drainage system indoor products or outside the unit cabinet outdoor products Evaporator drain traps are not necessary for any of our wall mounted outdoor products and the use of standing water U shaped traps may be prone to freezing in certain climate zon...

Страница 10: ...nit A louver grille is used to cover the external wall opening and fasteners used during sleeve installation Wall Sleeve Wall sleeves allow for outdoor air to enter and exit the unit inside the room Air Paths Air paths through the unit allow for cooling operation and fresh air to enter the structure I TEC shown Louver Installation Outdoor louvers provide an esthetically pleasing look to the instal...

Страница 11: ...ation instructions when electric heating is used I TEC Air Path The I TEC product has been engineered for extremely quiet unit operation and has multiple air paths for air entering and exiting the unit Room air enters the upper sides to be conditioned cooled inside the unit and exits the unit top The unit will either be ducted to supply registers or have a supply air plenum box installed A supply ...

Страница 12: ...ir This is collected in an evaporator pan and needs to be drained to an external drainage system Your new Bard product includes provisions to allow condensate water to exit the unit and fittings will need to be field supplied to connect the unit drain to the building Adequate drain sizing needs to be provided to allow proper drainage for condensate water generation and restriction in drain lines s...

Страница 13: ...ard product Single and Three Phase Power Bard products are available in single and three phase power options It is important to connect the proper phase listed on the unit serial plate Three phase power is often used to reduce energy usage and units rated for 3 phase operation are equipped with a phase monitor safety device The phase monitor will not allow unit operation with improper phase connec...

Страница 14: ...rect filter size and type for your system is always used If there is any question as to acceptable filter size or type review the installation instructions for the specific equipment involved if available Otherwise consult with your installing dealer or service company Most equipment can have the filters inspected and serviced by the user with no problems In some instances because of equipment des...

Страница 15: ... with vent options will have a washable screen behind the vent intake panel Filter Door The unit room air filter is located behind this panel for units without a vent hood Vent Hood Door The unit indoor filter is located behind this panel for units with a vent hood The hood contains a washable pre filter that needs to be cleaned regularly Vent Intake Panel Vent Intake Panel Filter Door The unit ro...

Страница 16: ...ngs of the filter are available up to MERV13 These filters filter the air used for cooling inside the classroom or structure and should be changed regularly If the unit has an air intake vent option installed two 1 x 12 x 20 filters are located in the lower section of the front doors behind the louvers These filters help keep the vent option clean and operating properly Two washable filters are al...

Страница 17: ...avy The upper section of the Q TEC contains two 1 throwaway filters standard with every unit These filters filter the air used for cooling inside the classroom or structure and should be changed regularly The Q TEC product installation instructions contain additional information regarding unit maintenance This information may be accessed at www bardhvac com Q TEC Filter Location The Q TEC room air...

Страница 18: ...t having the installing dealer or service company instruct you in the proper procedure and technique The product installation instructions contain additional information regarding unit coil cleaning This information may be accessed at www bardhvac com WARNING Do not open or enter the equipment without first turning off the electrical service disconnect Failure to do so can result in personal injur...

Страница 19: ...front grille C H Wall Mount Units These units are called draw through condenser airflow units because they draw cool outdoor air in the front through the coil and blow the exiting warm condenser air through the unit sides I TEC and Q TEC Units These units draw the cool outdoor air through the top section of the wall louver and exhaust the warmer condenser air out of the lower section of the louver...

Страница 20: ...the cooling mode will remove some amount of moisture as it reduces the air temperature precise humidity regulation in the conditioned space cannot be assured and additional equipment such as a dedicated dehumidifier may be required Air to Air Cooling and Heating Products Heat Pumps A heat pump is a refrigerant based system that has additional components and controls that both heats and cools using...

Страница 21: ... primary difference is that the system uses water or antifreeze protected water solution instead of an air cooled outdoor heat transfer coil and there is no outdoor motor fan system but instead a water pump to provide adequate water flow to the system Cooling Mode The cooling mode of a water to air heat pump is exactly the same as that described for an air conditioner in the previous Air Condition...

Страница 22: ...o determine if your installation has any of these devices and for any instructions or maintenance requirements you should be aware of as the user Ventilation Options Air to Air or Water to Air Systems All Bard systems are available with factory installed vent options Most units can have ventilation field installed after unit installation Ventilation has multiple purposes Outside air intake for occ...

Страница 23: ... system Off then back On when you need it This can allow temperature and humidity to build up in warm weather conditions and force the system to run continuously to try and catch up If the building is to be unoccupied for a lengthy period it is best to adjust the thermostat to a reasonable higher or lower depending on the season setting rather than turning it completely off Upon return the inside ...

Страница 24: ......

Страница 25: ...ckaged Air Conditioner Models INSTALLATION INSTRUCTIONS Q36A4DA Q36A4DB Q36A4DC Q42A4DA Q42A4DB Q42A4DC Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 752C Supersedes 2100 752B Date 8 13 21 Q48A4DA Q48A4DB Q48A4DC ...

Страница 26: ... 28 High Pressure Switch 28 Low Pressure Switch 28 Freeze Stat Switch 28 Logic Control Board 29 Phase Monitor 29 Condenser Fan Operation 29 Sequence of Operation 29 Balanced ClimateTM Mode 30 Service 31 Troubleshooting ECM 142R Outdoor Fan Motors 31 Replacing the Motor 32 Troubleshooting ECM Indoor Blower Motors 33 Replacing ECM Control Module 34 Fan Blade Setting Dimensions 36 R 410A Refrigerant ...

Страница 27: ...24 CCM LED Fault Illumination 29 Figure 25 Control Disassembly 34 Figure 26 Winding Test 34 Figure 27 Drip Loop 34 Figure 28 Control Connector Motor Half 35 Figure 29 Fan Blade Setting 36 Figure 30 Fan Shroud Removal 36 GRAPHS Graph 1 Q36A4D FAD Ventilation Delivery 40 Graph 2 Q42A4D FAD Ventilation Delivery 40 Graph 3 Q48A4D FAD Ventilation Delivery 41 ...

Страница 28: ...ds Institute 11 West Street 13th Floor New York NY 10036 Telephone 212 642 4900 Fax 212 302 1286 ASHRAE American Society of Heating Refrigeration and Air Conditioning Engineers Inc 1791 Tullie Circle N E Atlanta GA 30329 2305 Telephone 404 636 8400 Fax 404 321 5478 NFPA National Fire Protection Association Batterymarch Park P O Box 9101 Quincy MA 02269 9901 Telephone 800 344 3555 Fax 617 984 7057 ...

Страница 29: ...4 D A 0Z X P X X X X MODEL SERIES FILTER OPTIONS X 1 MERV 2 Disposable Filter M 2 MERV 11 Disposable Filter N 2 MERV 13 Disposable Filter P 2 MERV 8 Disposable Filter B NPBI TECH 2 MERV 13 Disposable Filter A UV C 2 MERV 13 Disposable Filter PLACEHOLDER X Standard Unit Q QSP Plenum Option COLOR OPTIONS X Beige Baked Enamel Finish V Vinyl Coated 4 Buckeye Gray Baked Enamel Finish CAPACITY 36 3 Ton ...

Страница 30: ...ng brackets on each side of the unit must be removed and discarded see Figure 2 The return air grille panel can be removed to provide a place to hold the unit FIGURE 1 Air Seal Under Q TEC Unit Air Seal MIS 1008 The unit can be tipped forward and slid down the edge of the skid until the front wheels touch the ground The wheels will not roll as they are shipped from the factory locked The back of t...

Страница 31: ...uct work For use without duct work Plenum Box QPB36 is recommended These instructions explain the recommended method to install the air cooled self contained unit and the electrical wiring connections to the unit These 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 installat...

Страница 32: ... provides enough clearance to install the duct work see Figure 6 FIGURE 5 Installation with Duct Free Plenum 8 FT 5 IN 8 FT 6 IN MINIMUM REQUIRED INSTALLATION HEIGHT MIS 4174 FLOOR MIS 4174 FIGURE 6 Ducted Application 7 FT 4 IN UNIT HEIGHT 8 FT 7 IN MINIMUM RECOMENDED CEILING HEIGHT MIS 4175 12 IN MINIMUM BOTTOM TO DUCT 2 IN MINIMUM FROM DUCT FLANGE 8 FT 4 5 IN MINIMUM REQUIRED INSTALLATION HEIGHT...

Страница 33: ...d supply a Q4CX Cabinet Extension can be used to conceal the duct work above the unit to the ceiling This extends 20 above the unit for a total height above the floor of 10 7 8 The unit is equipped with a variable speed indoor blower motor which increases in speed with an increase in duct static pressure The unit will therefore deliver proper rated air flow up to the maximum ESP shown in Table 11 ...

Страница 34: ...s located in the rear of the unit and to gain access to make these adjustments remove the air filter service door All capacity efficiency and cost of operation information as required for Department of Energy Energyguide Fact Sheets are 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 a...

Страница 35: ... after the panel has been removed To gain access to the mist eliminator the QERV must be removed 1 The front fill plate of the QERV must be removed There is one screw on either side of the plate Remove these screws and remove the plate 2 On either side of the QERV there are mounting screws that hold the QERV in place Remove both of these screws 3 Underneath the heat recovery cassette is a power co...

Страница 36: ...CDS48 is used the minimum can be reduced to 8 This clearance is required to allow for the attachment of the unit to the sleeve and side trim pieces to the wall This unit is to be secured to the wall sleeve with mounting brackets provided The unit itself the supply duct and the free blow plenum are suitable of 0 clearance to combustible material Following are the steps for mounting the Q TEC For re...

Страница 37: ...nel Enlarged view of mounting bracket showing sleeve to cabinet attachment Mounting Bracket 8 Screw Provided Light Color Wall Sleeve 10 Hex Head Screw Provided MIS 1061 MIS 4178 PIECE BOTTOM TRIM MOUNTING BRACKET BOTTOM TRIM EXTENSION 2 PCS SIDE TRIM 2 PCS SIDE TRIM 2 PCS Bottom Trim Piece MIS 4178 Bottom Trim Extension 2 Pcs Side Trim 2 Pcs Mounting Bracket Side Trim 2 Pcs ...

Страница 38: ...ngth to trim up to a 10 2 ceiling NOTE If the exterior wall thickness is between 5 and 10 5 a side trim extension piece kit model QSTX42 is available Condensate Drain There are two drain connections on the unit The rear drain is the primary drain and is located on the right lower rear panel of the unit The optional side drain is located on the bottom right side of the unit The side drain is shippe...

Страница 39: ...ical growth to occur by minimizing the standing water and exposing it to warm temperatures See Figures 18A 18B 18C and 18D on pages 16 19 The drain box permanently mounts onto the wall sleeve and is then either piped directly outdoors or can be piped vertically The Q TEC unit is then equipped with fittings on the rear of the unit that slide into the drain box as it is wheeled towards the wall slee...

Страница 40: ...8A MIS 2469 SUPPLIED WITH DRAIN BOX KIT 3 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 18B IMPORTANT ...

Страница 41: ...Manual 2100 752C Page 17 of 41 MIS 2471 A REMOVE KNOCK OUT FOR INDOOR DRAIN HOSE CONNECTOR FIGURE 18C If used ...

Страница 42: ...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 18D ...

Страница 43: ...upply flanges before unit installation to help with duct connections inside the structure Supply ducts must be properly sized for the 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 conserve energy reduce heat conduc...

Страница 44: ...PT DRAIN OPT 3 375 7 000 2 000 2 000 OPTIONAL HIGH VOLTAGE FREEBLOW PLENUM OPTIONAL LOW VOLTAGE ELECTRICAL ENTRANCE ELECTRICAL ENTRANCE TOP VIEW SHOWN WITHOUT SUPPLY AIR OPENING TOP VIEW SHOWN WITHOUT PLENUM 2 000 1 625 5 000 1 875 3 250 24 125 2 500 A OPTIONAL HIGH VOLTAGE ELECTRICAL ENTRANCE OPTIONAL PLENUM BOX RIGHT SIDE VIEW FREEBLOW 3 4 NPT DRAIN OPT 36 750 27 563 2 000 3 375 19 375 35 063 MI...

Страница 45: ...he various insulation grades of wiring material All wiring must conform to NEC and all local codes FIGURE 20 High Voltage Connections The electrical data on the serial plate in the unit specifications and also in Table 9 on page 38 list fuse and wire sizes 75 C copper for all models including the most commonly used heater sizes Also shown are the number of field power circuits required for the var...

Страница 46: ...t for Balanced Climate compressor cooling operation The Y2 terminal is the 24VAC input for compressor cooling standard operation Y1 and Y2 are connected with a brass jumper bar which can be removed to enable Balanced Climate mode The Q TEC products come standard with two low voltage strips one in the blower section and another in the control panel Each low voltage strip will need the Y1 Y2 jumper ...

Страница 47: ...ACnet compatible CS9B THOCA 3 stage Cool 3 stage Heat Programmable Non Programmable HP or Conventional Auto or Manual Changeover Humidity Sensor w dehumidification CO2 Sensor Motion Sensor w Intelligent Learning Control BACnet compatible CS9BE THOA 3 stage Cool 3 stage Heat Programmable Non Programmable HP or Conventional Auto or Manual Changeover Humidity Sensor w dehumidification Motion Sensor w...

Страница 48: ... only see vent instruction manuals 5 Change model configuration from heat pump to heat cool Must be configured to programmable and fan set to be programmed fan for the A output to function during scheduled occupied periods Must be configured for multi stage for Y1 output to be active 1st stage cooling For dehumidification must be configured for No Economizer for YO D to be active for humidity cont...

Страница 49: ...nt installation manual 6 For vent operation add jumper if optional CO2 controller is not used Vent will run while blower is energized For ECON CRV V an additional wire change is required See install Manual 4 Factory installed jumper Remove jumper and connect to N C fire alarm circuit if emergency shutdown required 3 Wire not needed below 15KW 2A Wire required for dehumidification models only 1 The...

Страница 50: ...r to instructions for the cylinder that is being utilized for proper method of liquid extraction Safety Practices 1 Never mix R 410A with other refrigerants 2 Use gloves and safety glasses Polyol ester oils can be irritating to the skin and liquid refrigerant will freeze the skin 3 Never use air and R 410A to leak check the mixture may become flammable 4 Do not inhale R 410A the vapor attacks the ...

Страница 51: ...sors like several other types of compressors will only compress in one rotational direction Direction of rotation is not an issue with single phase compressors since they will always start and run in the proper direction However three phase compressors will rotate in either direction depending upon phasing of the power Since there is a 50 50 chance of connecting power in such a way as to cause rot...

Страница 52: ...al is sent to L terminal Low Pressure Switch Terminals LP1 and LP2 Circuit will be proved as closed prior to energizing A or CC terminals The condition of the LP terminals will then be ignored for the first 90 seconds after a demand for compressor operation Following this 90 second period if pressure switch opens compressor will go into soft lockout mode and compressor operation will be terminated...

Страница 53: ... lockout of the compressor circuit will occur requiring a manual system reset The compressor logic control board has five LED lights providing status updates of the system operation see Figure 24 When the green status light is blinking this is an indication that there is 24V power to the board Upon an alarm detection from one of the four safety switches there will be a blinking light indicating a ...

Страница 54: ...mfortable environment This mode will also increase the supply temperature when in heating mode When Balanced Climate mode is activated it is employed in both heating and cooling modes Balanced Climate can readily be applied to duct free supply and return air grille applications It may also be applied to ducted applications with limited static of 0 20 ESP total including both supply and return stat...

Страница 55: ... based upon varied outdoor ambient conditions to optimize sound and unit efficiency 3 If the system is noisy freezing up running a high head pressure tripping the high pressure switch or compressor overload check the following a Ensure cleanliness of condenser coil s and fan blade shroud b Confirm the fan blade is not bent or deformed isn t rubbing on the shroud and that it is tight on the motor s...

Страница 56: ...hardware to reduce vibration Make sure all wires are free of the fan blade and not pinched in mountings or cabinet through points Check line power to motor Check between red and black wires for line power Verify ground by checking green wire to L1 and L2 line power Check for 24VAC common signal to motor against transformer R signal Check BR terminal of fan logic control board Check blue fan lead o...

Страница 57: ...mine 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 ...

Страница 58: ... motor plug just removed to the motor shell is 100K ohms Refer to Figure 26 Measure to unpainted motor end plate If any motor lead fails this test do not proceed to install the control module THE MOTOR IS DEFECTIVE AND MUST BE REPLACED Installing the new control module will cause it to fail also 7 Verify that the replacement control is correct for the application Refer to the manufacturer s author...

Страница 59: ...Mode Heat 1st Bank of Elec Heat Heat 1st 2nd Bank of Elec Heat Thermostat 24 VAC Input Signals G G Y1 G Y1 Y2 D G B W1 G B W1 W2 Pin 1 24 VAC C Common Signal Always Energized Pin 2 Not Used Pin 3 24 VAC C Common Signal Always Energized Pin 4 Not Used Pin 5 Not Used Pin 6 X X X Pin 7 Not Used Pin 8 Not Used Pin 9 X X Pin 10 X X X X X Pin 11 Not Used Pin 12 24 VAC Hot R Signal Always Energized Pin 1...

Страница 60: ...he outdoor fan 3 The fan shroud and motor assembly can be removed from the unit by four 4 screws and the coil top fill then the six 6 screws from the shroud sides Fan motor must be unplugged from motor controller The assembly can now be lifted slid out from the condenser section see Figure 30 4 The fan assembly or coil can now be serviced 5 Reverse the steps to reassemble MIS 983 FIGURE 30 Fan Shr...

Страница 61: ...5 Tables are based upon rated CFM airflow across the evaporator coil If there is any doubt as to correct operating charge being in the system the charge should be removed and system evacuated and recharged to serial plate charge weight NOTE Pressure table based on high speed condenser fan operation If condensing pressures appear elevated check condenser fan wiring See Condenser Fan Operation on pa...

Страница 62: ...2 16 25 15 15 20 30 14 14 12 10 14 14 12 10 These Minimum Circuit Ampacity values are to be used for sizing the field power conductors Refer to the National Electrical code latest version Article 310 for power conductor sizing CAUTION When more than one field power circuit is run through one conduit the conductors must be derated Pay special attention to note 8 of Table 310 regarding Ampacity Adju...

Страница 63: ...r Performance TABLE 11 Maximum ESP of Operation Electric Heat Only Values shown are for units equipped with standard 1 throwaway filter or 1 washable filter Derate ESP by 15 for 2 pleated filters Nominal KW At 240V At 208V At 480V At 460V KW 1 Ph Amps 3 Ph Amps BTUH KW 1 Ph Amps 3 Ph Amps BTUH KW 3 Ph Amps BTUH KW 3 Ph Amps BTUH 5 0 5 0 20 8 17 065 3 75 18 0 12 799 6 0 6 0 14 4 20 478 4 50 12 5 15...

Страница 64: ...Manual 2100 752C Page 40 of 41 GRAPH 2 Q42A4D FAD Ventilation Delivery GRAPH 1 Q36A4D FAD Ventilation Delivery ...

Страница 65: ...Manual 2100 752C Page 41 of 41 GRAPH 3 Q48A4D FAD Ventilation Delivery ...

Страница 66: ......

Страница 67: ...s Q24 30 4 Exploded View and Usage List 16 Blower Assembly Components Q36 42 43 48 4 Exploded View and Usage List 17 General Notes Revised and or additional pages may be issued from time to time A complete and current manual consists of pages shown in the following contents section Important Contact the installing and or local Bard distributor for all parts requirements Make sure to have the compl...

Страница 68: ...Manual 2110 1568G Page 2 of 17 EXTERNAL COMPONENTS STANDARD DEHUMIDIFICATION 2 1 SEXP 1022 14 19 30 6 24 4 21 10 5 17 28 7 3 15 8 23 16 12 32 18 25 34 33 26 22 27 29 9 13 31 20 11 ...

Страница 69: ...2 Condenser Top Fill Condenser Top Fill X X X X X X X X 23 23 509 430 509 438 Back Back X X X X X X X X 24 542 054 Fresh Air Intake Blank Off Plate O O O O O O O O 25 25 107 393 107 396 Top Top X X X X X X X X 26 136 359 T K O Plate X X X X X X X X 27 27 105 1481 105 1509 Upper Rear Captivation Plate Upper Rear Captivation Plate X X X X X X X X 28 28 105 1482 105 1510 Upper Front Captivation Plate...

Страница 70: ...Manual 2110 1568G Page 4 of 17 INTERNAL COMPONENTS STANDARD DEHUMIDIFICATION SEXP 1025 21 2 6 20 24 9 12 14 13 22 19 10 16 3 11 4 5 15 8 7 1 17 18 ...

Страница 71: ...le X X X X X X X X X X X 14 131X173 Right Condenser Fill Pan Angle X X X X X X X X X X X 15 15 123 164 123 165 Condenser Drain Pan Condenser Drain Pan X X X X X X X X X X X 16 140 513 Copper Hold Down Bracket 2 2 2 2 2 2 2 2 17 113 834 Fan Motor Control Bracket X X X X X X X X X X X 18 536 351 Exhaust Blank Off Plate O O O O O O O O O O O 19 19 131 171 131 175 Filter Partition Filter Partition X X...

Страница 72: ...Manual 2110 1568G Page 6 of 17 FUNCTIONAL COMPONENTS STANDARD DEHUMIDIFICATION SEXP 1023 3 4 29 5 17 23 9 15 7 21 9 1 2 30 28 13 18 31 8 20 27 6 24 19 10 14 16 12 25 11 22 26 ...

Страница 73: ...E TFD 130 Compressor ZP42K6E PFV 130 Compressor ZP42K6E TF5 130 Compressor ZP42K6E TFD 130 X X X X X X X X X 11 11 11 11 917 0455BX 917 0456BX 917 0458BX 917 0459BX Outdoor Coil Includes Distributor Outdoor Coil Coated Includes Distributor Outdoor Coil Includes Distributor Outdoor Coil Coated Includes Distributor X O X O X O X O X O X O X O X O X O NS 5051 161 Outdoor Coil 8 X 36 X X X 13 8408 048...

Страница 74: ... Includes Distributor Outdoor Coil Coated Includes Distributor X O X O X O X O X O X O X O X O X O X O X O X O X O X O X O X O X O X O 12 8408 060 Outdoor Temperature Sensor O O O O O O O O O O O O O O O O O O 13 8408 048 Freeze Protection Thermostat O O O O O O O O O O O O O O O O O O 14 14 5051 241BX 5054 241BX Reheat Coil Reheat Coil Coated X O X O X O X O X O X O X O X O X O 15 5650 039 Revers...

Страница 75: ... 0443BX 917 0444BX Outdoor Coil Includes Distributor Outdoor Coil Coated Includes Distributor X O X O X O X O X O X O X O X O X O X O X O X O NS 5051 161 Outdoor Coil 8 X 36 X X X X X X 12 8408 060 Outdoor Temperature Sensor O O O O O O O O O O O O 13 8408 048 Freeze Protection Thermostat O O O O O O O O O O O O 14 14 5051 242BX 5054 242BX Reheat Coil Reheat Coil Coated X O X O X O X O X O X O 15 ...

Страница 76: ...Manual 2110 1568G Page 10 of 17 CONTROL PANEL COMPONENTS QA DEHUMIDIFICATION 16 15 2 12 21 23 9 20 13 1 4 7 6 14 17 3 11 8 5 19 18 22 SEXP 1054 ...

Страница 77: ...rmer X X X X X X X X X 14 S8201 126 Phase Monitor X X X X X X 15 15 8552 043 8552 081 Compressor Capacitor Compressor Capacitor X X X 16 8550 008 Capacitor Strap X X X 17 17 8401 034 8401 035 Compressor Contactor Compressor Contactor X X X X X X X X X 18 18 18 18 8615 051 8615 052 8615 055 S8615 095 Circuit Breaker 25A 3 Pole Circuit Breaker 30A 3 Pole Circuit Breaker 40A 2 Pole Toggle Disconnect ...

Страница 78: ...Manual 2110 1568G Page 12 of 17 CONTROL PANEL COMPONENTS QH STANDARD DEHUMIDIFICATION 10 SEXP 1024 6 16 19 11 23 13 20 15 1 22 12 18 4 14 2 21 9 3 8 17 7 5 ...

Страница 79: ...8 Capacitor Strap Capacitor Strap X X X X X X 17 17 8401 034 8401 035 Compressor Contactor Compressor Contactor X X X X X X X X X X X X X X X X X X 18 18 18 18 18 18 18 8615 038 8615 039 8615 051 8615 054 8615 055 8615 083 S8615 095 Circuit Breaker 35A 2 Pole Circuit Breaker 45A 2 Pole Circuit Breaker 25A 3 Pole Circuit Breaker 20A 3 Pole Circuit Breaker 40A 2 Pole Circuit Breaker 30A 3 Pole Toggl...

Страница 80: ... Rail 2 1 2 X X X X 21 8607 017 Terminal Block X X X X 22 141 188 Heater Plug Bracket X X X X X X X X X X X X 23 8301 079 0003 EVD Control Board Programmed X X X X X X NS 3000 1145 Blower Power Plug X X X X X X X X X X X X NS NS 3000 1337 3000 1338 Compressor Wire Harness Compressor Wire Harness X X X X X X X X X X X X NS NS NS NS NS NS 3003 083 3003 084 3003 085 3003 086 3003 087 3003 088 Control...

Страница 81: ...Manual 2110 1568G Page 15 of 17 This page intentionally left blank ...

Страница 82: ...Part Number Description 1 5152 049 Blower Wheel X X 2 2 S8105 059 0211 S8105 059 0212 1 3 HP Programmed Motor 1 3 HP Programmed Motor X X 3 151 122 Housing X X NS NS C8105 059 0211 C8105 059 0212 1 3 HP Control Only Replacement 1 3 HP Control Only Replacement X X 5154 002 0211 5154 002 0212 ...

Страница 83: ...te Blower Assembly Complete Blower Assembly Complete Blower Assembly X X X X 2 2 2 2 C5154 005 0210 C5154 005 0215 C5154 007 0216 C5154 005 0228 1 2 HP Programmed Motor 1 2 HP Programmed Motor 3 4 HP Programmed Motor 1 2 HP Programmed Motor X X X X BLOWER ASSEMBLY COMPONENTS Q36 42 43 48 4 1 SEXP 942 2 5154 005 0210 5154 005 0215 5154 007 0216 5154 005 0228 ...

Страница 84: ......

Страница 85: ...it which reheats the conditioned air before it is delivered to the room The refrigerant gas is then routed from the desuperheating condenser to the system condenser for further heat transfer When the humidistat is satisfied the system automatically switches off The result is separate humidity control at minimum operating cost Dehumidification Sequence of Operation Dehumidification is controlled th...

Страница 86: ...r the valve needs to be manually opened first The valve can be opened manually using the magnetic EEV service tool Bard P N 2151 021 shown in Figure 1 To do this remove the EEV stator coil red color with retaining nut on top slide the magnetic tool over the shaft where the stator was removed and turn in a clockwise direction to open the valve to the full open position directional arrows are provid...

Страница 87: ... and red green and red yellow and purple blue and purple If the resistance falls outside these values replace the stator Transducer Sensor 1 Check continuity of all three wires from transducer plug to controller plug Replace wires if poor connection in any wire 2 Check to ensure wires are correctly connected as follows Blue wire pin 1 of controller plug to pin C on transducer plug Red wire pin 2 o...

Страница 88: ... 96 8 36 6 700 98 6 37 6 470 100 4 38 6 250 102 2 39 6 030 104 40 5 830 105 8 41 5 630 107 6 42 5 440 109 4 43 5 260 111 2 44 5 080 113 45 4 910 114 8 46 4 750 116 6 47 4 590 118 4 48 4 440 120 2 49 4 300 122 50 4 160 123 8 51 4 030 125 6 52 3 900 127 4 53 3 770 129 2 54 3 650 131 55 3 540 132 8 56 3 430 134 6 57 3 320 136 4 58 3 220 138 2 59 3 120 140 60 3 020 141 8 61 2 930 143 6 62 2 840 145 4 ...

Страница 89: ...ion Mode Circuit Diagram 4 WAY VALVE COMPRESSOR REHEAT COIL EVAPORATOR COIL EEV CHECK VALVE CONDENSER COIL SUCTION PRESSURE TRANSDUCER FOR EEV MIS 4017 A EVAPORATOR COIL CONDENSER COIL REHEAT COIL 4 WAY VALVE COMPRESSOR CHECK VALVE EEV SUCTION PRESSURE TRANSDUCER FOR EEV MIS 4016 A ...

Страница 90: ...G3 320 280 363 311 409 343 75 65 5 60 RH Total Cooling Btuh 38 700 17 100 37 100 12 600 35 100 8 200 Sensible Btuh 25 100 3 700 24 200 400 23 200 2 900 S T 0 649 0 216 0 652 0 032 0 661 0 Latent Btuh 13 600 13 400 12 900 12 200 11 900 11 100 Lbs H20 hr 12 8 12 6 12 2 11 5 11 2 10 5 Supply Air DB 55 6 71 2 56 3 75 0 57 1 78 7 Supply Air WB 54 3 58 9 54 9 60 7 55 6 62 6 Suction PSIG3 132 124 134 127...

Страница 91: ...G3 320 280 363 311 409 343 75 65 5 60 RH Total Cooling Btuh 38 700 17 100 37 100 12 600 35 100 8 200 Sensible Btuh 25 100 3 700 24 200 400 23 200 2 900 S T 0 649 0 216 0 652 0 032 0 661 0 Latent Btuh 13 600 13 400 12 900 12 200 11 900 11 100 Lbs H20 hr 12 8 12 6 12 2 11 5 11 2 10 5 Supply Air DB 55 6 71 2 56 3 75 0 57 1 78 7 Supply Air WB 54 3 58 9 54 9 60 7 55 6 62 6 Suction PSIG3 132 124 134 127...

Страница 92: ...arge PSIG3 339 292 382 323 428 354 75 65 5 60 RH Total Cooling Btuh 50 300 20 200 47 700 15 100 44 600 9 300 Sensible Btuh 32 200 3 500 30 700 0 29 100 4 400 S T 0 640 0 173 0 644 0 000 0 652 0 Latent Btuh 18 100 16 700 17 000 15 100 15 500 13 700 Lbs H20 hr 17 1 15 8 16 14 2 14 6 12 9 Supply Air DB 56 72 4 56 9 75 6 57 8 79 3 Supply Air WB 54 5 59 6 55 3 61 3 56 63 1 Suction PSIG3 129 119 132 122...

Страница 93: ...ehum Unoccupied X X X X D A Dehum Occupied X X X X X TABLE 3 Dehumidification Relay Logic Board Cooling takes precedence over dehumidification A cooling call cancels dehumidification The dehumidification input D is not received by the board because of an isolation relay that is energized by the call for heating B W1 Thus the heating call B W1 always takes precedence over dehumidification The relay...

Страница 94: ...eld power conductors Refer to the National Electrical code latest version Article 310 for power conductor sizing CAUTION When more than one field power circuit is run through one conduit the conductors must be derated Pay special attention to note 8 of Table 310 regarding Ampacity Adjustment Factors when more than three 3 current carrying conductors are in a raceway Maximum size of the time delay ...

Страница 95: ......

Страница 96: ...ating environment is exposed to airborne saline particles typically 5 miles from coast line must have corrosion protection or warrenty claims will be declined on corrosion based cabinet and part failures 12 Bard does not endorse approve or certify any online sales of its products through auction websites online retailers liquidators or any other method of online sales direct to consumers Bard will...

Страница 97: ...arts Must be registered at www wallmountwarranty com within 90 days of installation for the 10 year parts coverage to be in effect Factory coated coils have a 5 year warranty in corrosive environments that are listed as approved Model Number Series Includes all Models in each Series which may have additional characters Example W12 70A includes W36A w additional characters Number of Years from Inst...

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