Bard W70A1 manual

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Table of contents for the manual

  • Page 1

    Manual 2100-508F Page 1 of 25 INST ALLA TION INSTRUCTIONS W ALL MOUNTED P ACKAGE AIR CONDITIONERS MODELS W17A1 W17L1 W18A1 W18L1 W24A1 W24L1 W30A1 W30L1 W36A1 W36L1 W42A1 W42L1 W48A1 W48L1 W60A1 W60L1 W70A1 W70L1 Manual : 2100-508F Supersedes: 2100-508E File: V olume III T ab 16 Date: 12-15-1 1 Bard Manufacturing Company , Inc. Bryan, Ohio 43506 Si[...]

  • Page 2

    Manual 2100-508F Page 2 of 25 Content s Figures Figure 1 Fresh Air Damper Assembly ................... 5 Figure 2 Unit Dimensions ...................................... 7 Figure 3A Mounting Instructions .............................. 8 Figure 3B Mounting Instructions - W17 – 36 .............. 9 Figure 3C Mounting Instructions - W42, 48, 60, 70 ..[...]

  • Page 3

    Manual 2100-508F Page 3 of 25 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 Electrical Code ...................... ANSI/[...]

  • Page 4

    Manual 2100-508F Page 4 of 25 W ALL MOUNT GENERAL INFORMA TION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE W 42 A 1– A 10 X X X X X A NOTE: Vent options X, B and M are without exhaust capability. May require separate field supplied barometric relief in building. SHIPPING DAMAGE Upon receipt of equipment, the carton should be checked for externa[...]

  • Page 5

    Manual 2100-508F Page 5 of 25 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 2100-508F Page 6 of 25 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 A 6 3 W , A 0 3 W , A 4 2 W , A 8 1 W , A 7 1 W " 5 1 " 0 2 L 6 3 W , L 0 3 W , L 4 2 W , L 8 1 W , L 7 1 W " 0 2 " 5 1 A 0 7 W , A [...]

  • Page 7

    Manual 2100-508F Page 7 of 25 I A C K 2.13 H J 2.63 9.06 P M L O E .44 W 5.75 F G R S S S S S T D Return A ir Opening MIS-2488 B Drain Inle t Air Air Outlet Front View Side View Cond. 1 Back View Condenser Bracket Installation Bottom (Built In) Brackets Mounting Side Wall Location Shipping Flashing Entrances Electrical Optional Entrance Electrical [...]

  • Page 8

    Manual 2100-508F Page 8 of 25 FIGURE 3A W17A1, W17L1, W18A1, W18L1, W24A1, W24L1 MOUNTING INSTRUCTIONS 12" 12" 12" 12" 12" 20" 20" 1" 3" 4" Typ. 8" 20 1 2 " 12" 1" 3 1 8 " 4" Typ. 5" 7 8 " 3 13 16 " 2" 2" 7 1 16 " 7 1 16 " DUCT CONTROL[...]

  • Page 9

    Manual 2100-508F Page 9 of 25 FIGURE 3B W30A1, W30L1, W36A1, W36L1 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 [...]

  • Page 10

    Manual 2100-508F Page 10 of 25 FIGURE 3C W42A1, W42L1, W48A1, W48L1, W60A1, W60L1, W70A1, W70L1 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 W[...]

  • Page 11

    Manual 2100-508F Page 11 of 25 FIGURE 4 ELECTRIC HEAT CLEARANCE W30A1, W30L1, W36A1, W36L1, W42A1, W42L1, W48A1, W48L1, W60A1, W60L1, W70A1, W70L1 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[...]

  • Page 12

    Manual 2100-508F Page 12 of 25 FIGURE 5 WALL MOUNTING INSTRUCTIONS FIGURE 6 WALL MOUNTING INSTRUCTIONS DUCT OPENING RETURN AIR SUPPLY AIR WOOD FRAME WALL INSTALLATION OPENING WALL BE FO R E MOUNT ON UNIT OPENING BEFORE INSTALL ATION BOTTOM M OUNTING CONCRET E B L OCK WAL L I NS T A LL AT IO N BRACKET. MOUNT ON OPENING WOOD OR STEEL SIDING OPENING I[...]

  • Page 13

    Manual 2100-508F Page 13 of 25 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 14

    Manual 2100-508F Page 14 of 25 WIRING – MAIN POWER Refer to the unit rating plate for wire sizing information and maximum fuse or “HACR” type circuit breaker size. Each outdoor unit is marked with a “Minimum Circuit Ampacity”. This means that the field wiring used must be sized to carry that amount of current. Depending on the installed K[...]

  • Page 15

    Manual 2100-508F Page 15 of 25 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 16

    Manual 2100-508F Page 16 of 25 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**A/W**L 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 [...]

  • Page 17

    Manual 2100-508F Page 17 of 25 SEQUENCE OF OPERATION COOLING – Circuit R-Y makes at thermostat pulling in compressor contactor, starting the compressor and outdoor motor. The G (indoor motor) circuit is automatically completed on any call for cooling operation or can be energized by manual fan switch on subbase for constant air circulation. On a [...]

  • Page 18

    Manual 2100-508F Page 18 of 25 TROUBLESHOOTING FIGURE 8 FAN BLADE SETTING MIS-1724 TABLE 1 FAN BLADE DIMENSION R-410A REFRIGERANT CHARGE This unit was charged at the factory with the quantity of refrigerant listed on the serial plate. AHRI capacity and efficiency ratings were determined by testing with this refrigerant charge quantity. The followin[...]

  • Page 19

    Manual 2100-508F Page 19 of 25 TABLE 2 COOLING PRESSURE TABLE Air Temperature Entering Outdoor Coil °F 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 evacuat[...]

  • Page 20

    Manual 2100-508F Page 20 of 25 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 21

    Manual 2100-508F Page 21 of 25 TABLE 4 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 2100-508F Page 22 of 25 TABLE 5 RECOMMENDED AIRFLOW TABLE 6 INDOOR BLOWER PERFORMANCE TABLE 7 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. l e d o M d e t a R * M F C d e t a R * P S E d e d n e [...]

  • Page 23

    Manual 2100-508F Page 23 of 25 TABLE 8 ELECTRIC HEAT 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 W Ks p m AH U T Bs p m AH U T Bs p m AH U T Bs p m AH U T Bs p m AH U T B 47 . 6 10 5 6 3 14 . 4 10 4 2 0 1 58 . 0 25 6 0 7 11 . 8 10 0 8 2 1 64 . 4 10 0 5 0 25 . 2 10 6 3 5 12 . 70 0 5 0 2 83 . 3 30 0 3 7 28 . 8 25 7 4 0 2 97 . 1[...]

  • Page 24

    Manual 2100-508F Page 24 of 25 W17/18A1-A W24A1-A W24A1-B W24A1-C W30A1-A W30A1-B W30A1-C W36A1-A W36A1-B W36A1-C W42A1-A W42A1-B W42A1-C W48A1-A W48A1-B W48A1-C W60A1-A W60A1-B W60A1-C W70A1-A W70A1-B W70A1-C TABLE 9 OPTIONAL ACCESSORIES r e b m u N t r a P 5 0 A - 2 0 A W H EX X 8 0 A - A 2 0 W H EX X 0 1 A - A 2 0 A W H EX X 6 0 B - 4 2 A W H EX[...]

  • Page 25

    Manual 2100-508F Page 25 of 25 TABLE 10 VENT & CONTROL OPTIONS W17, W18, W24 W30, W36 W42, W48, W60, W70 r e b m u N t r a Pn o i t p i r c s e D 4 1 - C M CT D O XXX 5 1 - C M C) e s a h P - 1 V 0 3 2 ( t i K t r a t S XXX 3 2 - C M CC D DX X 4 2 - C M CC D DX 8 2 - C M CC A L XXX 2 - 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 [...]