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Bard W3LV2-R Скачать руководство пользователя страница 66

Manual 2100-034G

Page

20 of 21

Dehumidification and Ventilation Operation

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

Many Bard systems, typically those used in schools or other commercial applications, have a dedicated
dehumidification capability by having a special additional refrigeration circuit (factory-installed option only) in
addition to the basic system. These special systems, sometimes also referred to as hot gas reheat, are designed to
control humidity on demand from a humidity controller much the same as the basic cooling and/or heating system
is controlled by a wall thermostat. Consult your installer and/or service company to 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 occupied structures
•  Positive pressurization
•  Energy savings when outdoor air can be used for cooling
•  Agricultural use of bringing in outdoor air and exhausting room air
•  Equipment and electronics ventilation
Review product specifications and manuals for more details regarding available ventilation options and features.
Product documentation is shipped with the product and also available at

www.bardhvac.com

.

Dehumidification and Ventilation Operation

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Содержание W3LV2-R

Страница 1: ...lation Instructions 2100 559 A ECU Quick Start Guide 2100 560 ECU Advanced Program 7960 780 Supplemental Instructions 2100 034 G User s Guide 2100 479 Servicing Procedures 2110 1418 G Replacement Part...

Страница 2: ......

Страница 3: ...dels W3RV2 R W3RV2 S W3RV2 T W3LV2 R W3LV2 S W3LV2 T W5RV2 R W5RV2 S W5RV2 T INSTALLATION INSTRUCTIONS Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 615A Supersedes 2100...

Страница 4: ...trol Options 24 Getting Other Information and Publications 3 Wall Mount General Information ECU Wall Mount Model Nomenclature 4 Shipping Damage 4 General 4 Duct Work 5 Filters 5 Fresh Air Intake 5 Con...

Страница 5: ...ter 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...

Страница 6: ...Authorities having jurisdiction should be consulted before the installation is made See Page 3 for information on codes and standards Vent option X does not have exhaust capability May require separat...

Страница 7: ...ing Systems NFPA No 90B Where local regulations are at a variance with instructions installer should adhere to local codes DUCT WORK All duct work supply and return must be properly sized for the desi...

Страница 8: ...l for model series W3R LV W5R LV and W6R LV However it is generally recommended that a 1 inch clearance is used for ease of installation and maintaining the required clearance to combustible material...

Страница 9: ...eat Heater Lockable Access Panel Low Voltage Air Inlet Entrance Electric Electrical Rain Hood 4 Pitch Built In Disconnect Entrance C Breaker High Voltage Electrical Drain Side View C H K J I D 2 13 A...

Страница 10: ...T IS REQUIRED FROM COMBUSTABLE MATERIALS RAIN FLASHING TOP HEATER ACCESS 1 4 CLEARANCE ON ALL SILICONE CAULKING BE PLACED BEHIND IS ON OPPOSITE LEFT SIDE THE SIDE MOUNTING FLANGES AND UNDER CONTROLS A...

Страница 11: ...COMBUSTIBLE MATERIALS A 29 C D E B 10 1 2 6 1 4 1 1 4 29 3 4 30 1 2 12 5 1 2 2 PANEL SUPPLY AIR NOTES RETURN AIR 2 Dimension is 10 on T48H1 T60H1 3 Dimension is 6 on T48H1 T60H1 2 WALL DUCT OPENING T...

Страница 12: ...bustible materials 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 overheati...

Страница 13: ...NT ON UNIT FACTORY SUPPLIED RAIN FLASHING SUPPLY AIR MIS 3080 I A C K E 1 000 B 1 000 L C STRUCTURAL STEEL 2 x 6 SEE UNIT DIMENSIONS FIGURE 2 FOR ACTUAL DIMENSIONS SUPPLY DUCT OPENING MIS 3081 FRAMING...

Страница 14: ...OUTSIDE WALL OUTSIDE WALL SUPPLY AIR DUCT SUPPLY AIR DUCT SUPPLY AIR DUCT CLOSET INSTALLATION OUTSIDE W GRILLE RETURN AIR OPENING W GRILLE RAIN FLASHING RAIN FLASHING SUPPLY DUCT MAYBE LOCATED IN AN A...

Страница 15: ...ed See Start Up section for important information on three phase scroll compressor start ups See Table 3 on page 22 for Electrical Specifications WIRING MAIN POWER These units are rated for 60 50 Hz o...

Страница 16: ...LOW VOLTAGE WIRING DIAGRAM C 5 3 1 6 4 R 7 BLOCK F E Y1 G W1 W2 Y UNIT LOW VOLTAGE TERMINAL 2 IN3 IN4 A B 24V 24 COM IN2 GND OUT 9 GND 7 9 OUT 8 OUT 7 RLY 6 SC 4 6 RLY 5 RLY 4 RLY 3 SC 1 3 RLY 2 RLY 1...

Страница 17: ...iple 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...

Страница 18: ...ee phase scroll compressors are equipped with a 3 phase 60 50 Hz line monitor to prevent compressor damage due to phase reversal No changes required for 60 or 50 Hz operation The phase monitor in this...

Страница 19: ...on from 50 to 100 of operation Once compressor operation is at 50 or below percent airflow will be at 50 and no further reduction of airflow will occur Modulation is accomplished by modulating a 0 10...

Страница 20: ...5 F and above 115 F described under Outdoor Fan Motor Operation Discharge Temperature Sensor This sensor is mounted on the compressor discharge line and protects the compressor against overheating It...

Страница 21: ...the delay on make time delay has expired If the low pressure switch remains open or opens again for longer than 120 seconds the unit will go into hard lockout condition and the alarm relay circuit wil...

Страница 22: ...e AHRI capacity and efficiency ratings were determined by testing with this refrigerant charge quantity The following pressure tables show nominal pressures for the units Since many installation speci...

Страница 23: ...7 85 29 4 90 32 2 95 35 0 100 37 8 105 40 6 110 43 3 115 46 1 120 48 9 125 51 7 131 55 0 W3RV W3LV 75 62F 23 9 16 7C Low Side High Side 128 355 127 373 127 394 127 416 128 442 129 469 130 498 132 530...

Страница 24: ...N A 6 N A N A 10 N A N A N A N A N A 10 N A N A 10 N A N A N A W3RV2 W3LV2 S0Z S06 S09 230 208 60 3 220 200 50 3 1 1 1 21 39 48 30 40 50 10 8 8 10 10 10 N A N A N A N A N A N A N A N A N A N A N A N A...

Страница 25: ...850 W6R LV 1700 20 1700 850 Model W3 W5 W6 FRONT FRONT High High A0Z A05 A10 50 50 50 50 50 50 B0Z B06 B09 50 50 50 50 50 50 C0Z C09 C12 50 50 45 50 50 50 Models 240V 1 208V 1 240V 3 208V 3 460V 3 KW...

Страница 26: ...AND CONTROL OPTIONS W3R LV W5R LV W6R LV Part Number Description CMC 15 Start Kit 230V 1 Phase X X BFAD 3 Barometric Fresh Air Damper Standard X BOP 3 Blank Off Plate X BFAD 5 Barometric Fresh Air Da...

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Страница 28: ...e 1 of 6 CONTROLLER INSTALLATION OPERATION QUICK START GUIDE INSTALLATION INSTRUCTIONS Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 559A Supersedes 2100 559 Date 5 18 1...

Страница 29: ...un is greater than 18 gauge stranded wire is recommended See Figure 1 for exact number of conductors NOTE Shielded wire must be used in applications where transient signals may accumulate and affect d...

Страница 30: ...Lockout Alarm Input Relay Closure1 24 COM C 24VAC COM Power 24 VAC 24V R R 24VAC Power 24 VAC OUT 9 F Fan Motor Control Analog Output 2 10 VDC GND7 9 E Control Guard Analog Output 2 10 VDC OUT 8 Y1 U...

Страница 31: ...fic HVAC model number specific system enabling and appropriate temperature setpoints BASIC SETUP Home Main Menu and Override Screens FIGURE 2 ECU Series Controller Home Overide and Configuration Scree...

Страница 32: ...ints HEATING Conventional system in Heating Only mode HVAC system will cycle heating in reference to heating setpoint only Unit will not activate cooling sequence COOLING Conventional system in Coolin...

Страница 33: ...ength of time as an override feature This temperature change will not be permanent See the Advanced Programming Features manual 2100 560 for further information NOTE Any system start up conducted with...

Страница 34: ......

Страница 35: ...Manual 2100 560 Page 1 of 8 ADVANCED PROGRAMMING FEATURES Controller 8403 066 ECU Series Controller Manual 2100 560 Supersedes NEW File Tab 19 Date 05 02 11...

Страница 36: ...rogramming Features Page 3 Home Screen Features Page 3 Temporary Temperature Override Pages 3 4 Indoor Blower Settings Page 4 Setting Date Time Page 4 Scheduling Pages 4 5 Alarm Feature Page 5 Securit...

Страница 37: ...mperature from the Home Screen will result in a temporary override which will last for a programmable length of time factory default is 1 hour To change temperature temporarily from the Home Screen pr...

Страница 38: ...ill operate during call for cooling or heating but will cycle off when no compressor or no heating is needed 5 Enter button to save changes to Fan Modes Selections Repeat steps 4 through 5 for all cha...

Страница 39: ...on 8 Enter button to save scheduling programming 9 Repeat steps 3 8 as necessary to complete Scheduling time periods 10 Left button to navigate back to Main Menu Screen 11 Left button to navigate back...

Страница 40: ...own button s to select among the three 3 levels of security passwords User Operator and Administrator None Level has no Password 10 Enter button to select specific Password 11 Up Down and Right button...

Страница 41: ...rammable 7 Enter button to select chosen Log and enter Setup Screen 8 Down button to highlight Object Ref 9 Select button to select Object Ref and choose from the following AI1 Space Temperature Facto...

Страница 42: ...select enter Advanced Screen 4 Down button through entries to highlight Restart Restore 5 Select button to select enter Restart Restore Screen 6 Controller will ask for Admin Level Password Factory De...

Страница 43: ......

Страница 44: ...o the user manual to verify the time and date setting for each ECU Series controller Navigate the menus and change settings by pressing a combination of the four arrow buttons and the ENTER button ENT...

Страница 45: ...Press ENTER button Press UP or DOWN button to select of units Press ENTER button to save of units This number must be the same on all the units that are used in lead lag operation Unit Temperature Se...

Страница 46: ......

Страница 47: ...e 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 OVE...

Страница 48: ...OUNT 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...

Страница 49: ...hnical 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 troubles...

Страница 50: ...puter 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 Bar...

Страница 51: ...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 bo...

Страница 52: ...nents 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...

Страница 53: ...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 cabi...

Страница 54: ...it 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 Ai...

Страница 55: ...tion 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...

Страница 56: ...r 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 n...

Страница 57: ...rd 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 powe...

Страница 58: ...ect 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 availa...

Страница 59: ...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 indoo...

Страница 60: ...gs 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 in...

Страница 61: ...vy 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 regula...

Страница 62: ...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 Th...

Страница 63: ...ront 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 th...

Страница 64: ...he 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 dedicate...

Страница 65: ...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...

Страница 66: ...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...

Страница 67: ...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...

Страница 68: ......

Страница 69: ...1 of 11 Manual No 2100 479 Supersedes NEW File Volume I Tab 1 Date 03 08 07 SERVICING PROCEDURE R 410A LEAK TEST EVACUATION CHARGING Bard Manufacturing Company Inc Bryan Ohio 43506 Since 1914 Moving a...

Страница 70: ...tioning Heat Pump Cooling 9 Low Suction Low Head Pressure 9 High Suction Low Head Pressure 9 Low Suction High Head Pressure 9 High Suction High Head Pressure 9 Heat Pump Heating 9 Low Suction Low Head...

Страница 71: ...tion of the system The valving on the manifold is so arranged that when the valves are closed front seated the center port on the manifold is closed to the gauges and gauge ports With the valves in th...

Страница 72: ...from the system down to 0 psig 5 Change the filter dryer When leaks if any have been repaired system is ready to be evacuated and charged Relieve all pressure from the system down to 0 psig EVACUATION...

Страница 73: ...late for the full operating charge PRELIMINARY CHARGING STEPS If the system has been open to the atmosphere the filter dryer should be replaced and then evacuated Then proceed as follows 1 Attach a dr...

Страница 74: ...Manual 2100 479 Page 6 of 11 FIGURE 1 TYPICAL AIR CONDITIONING SYSTEM COOLING CYCLE MIS 369...

Страница 75: ...Manual 2100 479 Page 7 of 11 FIGURE 2 TYPICAL HEAT PUMP SYSTEM COOLING CYCLE MIS 368...

Страница 76: ...ed refrigerant flow it may be necessary to place refrigerant drum in a pan of warm water not greater than 130 F Remember to either consider the total weight of the pan of water or remove the drum for...

Страница 77: ...ing device etc 6 Low charge 7 Low ambient entering air temperature Low entering water temperature to water coil HIGH SUCTION LOW HEAD PRESSURE 1 Defective or broken valves 2 IPRV valve open 3 Defectiv...

Страница 78: ...r o s s e r p m o c m e t s y s e b u t p a c e r u t a r e p m e t e c a p S h g i h o o t Power Failure Blown Fuses or Tripped Circuit Breakers Faulty Wiring Loose Terminals Low Voltage Single 1PH...

Страница 79: ...l n o p u d l i u b e c I l i o c D O f o g n i d o o l f t n a r e g i r f e r d i u q i L r o s s e r p m o c o t k c a b D I n o t a e h y r a i l i x u A f f o r e w o l b s t s o c g n i t a r e...

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Страница 81: ...te Duty Door Exploded View 4 Usage List 5 Cabinet Components Left Extreme Duty Door Exploded View 6 Usage List 7 Cabinet Components Left Moderate Duty Door Exploded View 8 Usage List 9 Functional Comp...

Страница 82: ...Manual 2110 1418G Page 2 of 16 CABINET COMPONENTS RIGHT EXTREME DUTY DOOR...

Страница 83: ...el Cover Outer Control Panel Cover Outer X X X X 17 17 125 029 125 059 Fan Shroud Fan Shroud X X X X 18 113 140 Bottom Mounting Bracket X X 19 S137 1006 Fill X X 20 BFAD 5 Fresh Air Damper Assembly X...

Страница 84: ...Manual 2110 1418G Page 4 of 16 CABINET COMPONENTS RIGHT MODERATE DUTY DOOR...

Страница 85: ...er X X X X X X 16 16 16 S153 218 S153 387 S153 405 Disconnect Access Door Disconnect Access Door Disconnect Access Door X X X X X X 17 17 125 029 125 059 Fan Shroud Fan Shroud X X X X 18 113 140 Botto...

Страница 86: ...Manual 2110 1418G Page 6 of 16 CABINET COMPONENTS LEFT EXTREME DUTY DOOR...

Страница 87: ...l Panel Cover Outer Control Panel Cover Outer X X X X 17 17 125 029 125 059 Fan Shroud Fan Shroud X X X X 18 113 140 Bottom Mounting Bracket X X 19 S137 1006 Fill X X 20 BFAD 5 Fresh Air Damper Assemb...

Страница 88: ...Manual 2110 1418G Page 8 of 16 CABINET COMPONENTS LEFT MODERATE DUTY DOOR...

Страница 89: ...er Outer X X X X X X 16 16 16 S153 218 S153 387 S153 405 Disconnect Access Door Disconnect Access Door Disconnect Access Door X X X X X X 17 17 125 029 125 059 Fan Shroud Fan Shroud X X X X 18 113 140...

Страница 90: ...Manual 2110 1418G Page 10 of 16 FUNCTIONAL COMPONENTS RIGHT HAND This exploded view references table on page 12...

Страница 91: ...Manual 2110 1418G Page 11 of 16 FUNCTIONAL COMPONENTS LEFT HAND This exploded view references table on page 12...

Страница 92: ...X X 9 9 9 7004 016 7003 030 7004 027 Air Filter 1 Throw Away Air Filter 1 Washable Air Filter 2 Pleated X X X X X X X X X X X X 10 1171 022 1 4 Turn Fastener X X X X 11 1171 024 1 4 Turn Retainer X X...

Страница 93: ...Manual 2110 1418G Page 13 of 16 CONTROL PANEL RIGHT HAND This layout view references table on page 15 7 11 4 9 8 16 18 14 10 19 15 1 5 SEXP 738 A...

Страница 94: ...Manual 2110 1418G Page 14 of 16 CONTROL PANEL LEFT HAND This layout view references table on page 15 SEXP 739 A 5 10 11 1 15 4 19 7 14 18 9 8 16...

Страница 95: ...eld X X X X 8 8611 006 Ground Terminal X X X X 9 3000 1463 6 Pin Connector X X X X 10 8201 148 Compressor Control Module X X X X 11 8201 126 Phase Monitor X X X X 14 8201 062 Alarm Relay X X X X 15 S1...

Страница 96: ...l CCW X X 3 3 S8107 023 0130 S8107 024 0131 Programmed Motor w Control Programmed Motor w Control X X 4 4 C8107 023 0130 C8107 024 0131 Control Only Control Only X X 5 112 344 Blower Motor Control Mou...

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Страница 98: ...delay on break time If the switch closes again it will then restart the compressor If the switch trips again during the same Y call the compressor will be de energized and the alarm terminal will be e...

Страница 99: ...ill be detected and the blue LED will flash A flashing blue LED indicates that a brownout condition was sensed the control will continue to flash the blue LED until the Y call has been satisfied The c...

Страница 100: ......

Страница 101: ...ting 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 failur...

Страница 102: ...rts 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...

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