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Bard W3LV1 manual

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Table of contents for the manual

  • Page 1

    Manual 2100-538E Page 1 of 23 INST ALLA TION INSTRUCTIONS W ALL MOUNTED V ARIABLE CAP ACITY ENVIRONMENT AL CONTROL UNITS MODELS W3R V1 W3L V1 W5R V1 W5L V1 W6R V1 W6L V1 Manual : 2100-538E Supersedes: 2100-538D File: V olume III T ab 16 Date: 12-15-1 1 Bard Manufacturing Company , Inc. Bryan, Ohio 43506 Since 1914...Moving ahead just as planned.[...]

  • Page 2

    Manual 2100-538E Page 2 of 23 Content s Figures Figure 1 Fresh Air Damper Assembly ................... 5 Figure 2 Unit Dimensions ...................................... 7 Fi gur e 3A Mounting Instructions .............................. 8 Fi gur e 3B Mounting Instructions .............................. 9 Figure 4 Electric Heat Clearance ............[...]

  • Page 3

    Manual 2100-538E Page 3 of 23 GETTING OTHER INFORMA TION AND PUBLICA TIONS These publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard. National Electri cal Code ...................... ANSI[...]

  • Page 4

    Manual 2100-538E Page 4 of 23 W ALL MOUNT GENERAL INFORMA TION Environment al Control Unit (ECU) Wall-Mount Model Nomenclature SHIPPING DAMAGE Upon receipt of equipment, the carton should be checked for external signs of shipping damage. If damage is found, the receiving party must contact the last carrier immediately, preferably in writing, reques[...]

  • Page 5

    Manual 2100-538E Page 5 of 23 DUCT WORK All duct work, supply and return, 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 both cons[...]

  • Page 6

    Manual 2100-538E Page 6 of 23 s s e c c A e c i v r e S r o f d e r i u q e R s e c n a r a e l C w o l f r i A r e s n e d n o C e t a u q e d A d n a S L E D O M E D I S T F E L E D I S T H G I R 1 V R 3 W " 5 1 " 0 2 1 V L 3 W " 0 2 " 5 1 1 V R 6 W , 1 V R 5 W " 0 2 " 0 2 1 V L 6 W , 1 V L 5 W " 0 2 " 0 2 [...]

  • Page 7

    Manual 2100-538E Page 7 of 23 I A C K 2.13 H J 2.63 9.06 P M L O E .44 W 5.75 F G R D S1 S1 S2 S1 T S2 Return Air Opening Heater Drain Air Air Outlet Front View Heat Electric Side View Inlet Panel Access Cond. Disconnect Condenser Back View Panel Bottom Installation Bracket Side Wall Mounting Brackets Flashing Shipping Location Optional Electrical [...]

  • Page 8

    Manual 2100-538E Page 8 of 23 FIGURE 3A W3RV1, W3LV1 MOUNTING INSTRUCTIONS D 12" 12" 12" 12" 12" C C A 28" 1" 3" 4" Typ . 4 1 2 " B E 14" 1" 3 1 8 " 4" Typ . 5" 4 1 2 " 7 8 " RETURN AIR SUPPLIED Return Opening 16 7/8 4 9/16 4 1/2 10 30 17 5/8 3 13/16 5 1/4 8 1/2 28[...]

  • Page 9

    Manual 2100-538E Page 9 of 23 FIGURE 3B W5RV1, W5LV1, W6RV1, W6LV1 MOUNTING INSTRUCTIONS D 16" 16" 16" 16" 16" 1 7 8 " 6 1 2 " 6 1 2 " 2 1 8 " 7 8 " 1" 3" 4" Typ. 4" Typ. 6 1 2 " 30" E 16" A C C 3 1 8 " B Dimension is 21" on W6R and W6L Units. 1 TOP 1 1 D[...]

  • Page 10

    Manual 2100-538E Page 10 of 23 FIGURE 4 ELECTRIC HEAT CLEARANCE W3RV1, W3LV1, W5RV1, W5LV1, W6RV1, W6LV1 W ARNING A minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials. This is required for the first 3 feet of ducting. It is important to insure that the 1/4 inch minimum sp acing is maintained at al[...]

  • Page 11

    Manual 2100-538E Page 11 of 23 FIGURE 5 WALL MOUNTING INSTRUCTIONS FIGURE 6 WALL MOUNTING INSTRUCTIONS DUCT OPENING RETURN AIR SUPPLY AIR WOOD FRAME WALL INSTALLATION OPENING WALL BE FORE MOUNT ON UNIT OPENING BEFORE INSTALL ATION BOTTOM M OUNTING CONCRET E B L OCK WAL L I NS T A LL AT ION BRACKET. MOUNT ON OPENING WOOD OR STEEL SIDING OPENING INST[...]

  • Page 12

    Manual 2100-538E Page 12 of 23 FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS LOWER ED RAISED FLOO R RAFTERS SUPPLY AIR CEILING SURFACE WAL L SL EEVE RETURN AIR CLOSET W ALL GRILL E FLASHING RETURN AIR FLASHING SUPPLY DUCT MAYBE L OCATED IN AN ATTIC OR BELO W CEIL ING RAFTERS AS SHOWN SUPPLY DUCT MAY BE L OCATED IN AN ATTIC SURFACE RAFTERS FINISHED CE[...]

  • Page 13

    Manual 2100-538E Page 13 of 23 WIRING – MAIN POWER These units are rated for 60/50 Hz operation as follows. NOTE: This system must be controlled only by the Bard 8403-064 Digital Thermostat/Controller that is supplied with the unit. See below for Wiring and Pages 16-17 for Operating Sequences. DIGITAL THERMOSTAT/CONTROLLER Refer to the unit ratin[...]

  • Page 14

    Manual 2100-538E Page 14 of 23 ST ART UP THESE UNITS REQUIRE R-410A REFRIGERANT AND POL YOL ESTER OIL. GENERAL: 1. Use separate service equipment to avoid cross contamination of oil and refrigerants. 2. Use recovery equipment rated for R-410A refrigerant. 3. Use manifold gauges rated for R-410A (800 psi/250 psi low). 4. R-410A is a binary blend of [...]

  • Page 15

    Manual 2100-538E Page 15 of 23 ST ART UP (Continued) IMPORTANT INSTALLER NOTE For improved start up performance wash the indoor coil with a dish washing detergent. HIGH PRESSURE SWITCH All W*R/LV wall mounted air conditioner series models are supplied with a remote reset for the high and low pressure switch. If tripped, this pressure switch may be [...]

  • Page 16

    Manual 2100-538E Page 16 of 23 SEQUENCE OF OPERATION MODES OF OPERATION Cool Only Mode: • Compressor will modulate from 100% down to 20%. • Compressor will cycle of f if thermostat/controller set- point is reached. Heat Only Mode: • Electric heat Stage 1 operates at 1 st -stage heating set-point. • Electric heat Stage 2 (if equipped) operat[...]

  • Page 17

    Manual 2100-538E Page 17 of 23 l o r t n o C e c i v e Dl a m r o Nl a m r o n b A r o o d n I r o t o M r e w o l B l o r t n o C d r a o B D E L d e Rt i l D E L n e e r G , t r o h s d n a g n o l s e h s a l f d e l l a c s i n a F n e h w s e h s a l f o t l a n g i S m o r f c d V 0 1 - 2 , r o f . P n o s i r e p m u J . n o m m o C n e e r [...]

  • Page 18

    Manual 2100-538E Page 18 of 23 COMPRESSOR CONTROL MODULE The compressor control module is standard on all models covered by this manual. The compressor control module is an anti-short cycle/lockout timer with high and low pressure switch monitoring and alarm relay output. Adjustable Delay On Make And Break Timer On initial power up or anytime power[...]

  • Page 19

    Manual 2100-538E Page 19 of 23 TROUBLESHOOTING FIGURE 8 FAN BLADE SETTING MIS-1724 TABLE 1 FAN BLADE DIMENSION REMOVAL OF FAN SHROUD 1. Disconnect all power to the unit. 2. Remove the screws holding both grilles, one on each side of unit, and remove grilles. 3. Unwire condenser fan motor. 4. Remove the bolts and nuts holding the condenser fan motor[...]

  • Page 20

    Manual 2100-538E Page 20 of 23 TABLE 2 COOLING PRESSURE TABLE Air Temperature Entering Outdoor Coil °F (°C) Low side pressure ± 4 PSIG High side pressure ± 10 PSIG 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, system e[...]

  • Page 21

    Manual 2100-538E Page 21 of 23 TABLE 3 1 Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors. 2 Based on 75C copper wire. All wiring must conform to the National Electrical Code and all local codes. 3 These “Minimum Circuit Ampacity” values are to be used for sizing the field power conducto[...]

  • Page 22

    Manual 2100-538E Page 22 of 23 TABLE 6 ELECTRIC HEAT TABLE 4 RECOMMENDED AIRFLOW TABLE 5 MAXIMUM ESP OF OPERATION ELECTRIC HEAT ONLY V alues shown are for units equipped with st andard 1-inch throwaway filter or 1-inch washable filter . Derate ESP by .15 for 2-inch pleated filters. s l e d o M1 - V 0 4 21 - V 8 0 23 - V 0 4 23 - V 8 0 23 - V 0 6 4 [...]

  • Page 23

    Manual 2100-538E Page 23 of 23 TABLE 7 VENT & CONTROL OPTIONS W3R/LV W5R/LV W6R/LV r e b m u N t r a Pn o i t p i r c s e D 5 1 - C M C) e s a h P - 1 V 0 3 2 ( t i K t r a t SX X 3 - D A F Bd r a d n a t S - r e p m a D r i A h s e r F c i r t e m o r a BX 3 - P O Be t a l P f f O k n a l BX 5 - D A F Bd r a d n a t S - r e p m a D r i A h s e[...]