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Bard W48A1 - page 1
Manual 2100-508 Page 1 of 25 INST ALLA TION INSTRUCTIONS W ALL MOUNTED P ACKAGE AIR CONDITIONERS MODELS W18A1 W18L1 W24A1 W24L1 W30A1 W30L1 W36A1 W36L1 W42A1 W42L1 W48A1 W48L1 W60A1 W60L1 Manual : 2100-508 Supersedes: NEW File: V olume III T ab 16 Date: 07-07-08 Bard Manufacturing Company , Inc. Bryan, Ohio 43506 Since 1914...Moving ahead just as p ...
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Bard W48A1 - page 2
Manual 2100-508 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 - W18, W24, W30, W36 .... 9 Figure 3C Mounting Instructions - W42, W48, W60 ..... 1 ...
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Bard W48A1 - page 3
Manual 2100-508 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 Ele ctrical Code ...................... ANSI/ ...
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Bard W48A1 - page 4
Manual 2100-508 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 buildi ng. SHIPPING DAMAGE Upon receipt of equipment, the carton should be checked for externa ...
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Bard W48A1 - page 5
Manual 2100-508 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 conse ...
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Bard W48A1 - page 6
Manual 2100-508 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 " 5 1 " 0 2 L 6 3 W , L 0 3 W , L 4 2 W , L 8 1 W " 0 2 " 5 1 A 0 6 W , A 8 4 W , A 2 4 W " ...
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Bard W48A1 - page 7
Manual 2100-508 Page 7 of 25 SIDE VIEW BACK VIEW FRONT VIEW *Optional top outlet (factory installed only) for W30A and W36A models only. FIGURE 2 SIDE VIEW FRONT VIEW BACK VIEW ) l a n i m o N ( s t n e m e r i u q e R n o i t a l l a t s n I d n a l a r u t c e t i h c r A r o f t i n U c i s a B f o s n o i s n e m i D L E D O M H T D I W ) W ( H ...
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Bard W48A1 - page 8
Manual 2100-508 Page 8 of 25 FIGURE 3A W18A1, W18L1, W24A1, W24L1 MOUNTING INSTRUCTIONS ...
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Bard W48A1 - page 9
Manual 2100-508 Page 9 of 25 FIGURE 3B W30A1, W30L1, W36A1, W36L1 MOUNTING INSTRUCTIONS ...
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Bard W48A1 - page 10
Manual 2100-508 Page 10 of 25 FIGURE 3C W42A1, W42L1, W48A1, W48L1, W60A1, W60L1 MOUNTING INSTRUCTIONS ...
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Bard W48A1 - page 11
Manual 2100-508 Page 11 of 25 FIGURE 4 ELECTRIC HEAT CLEARANCE W30A1, W30L1, W36A1, W36L1, W42A1, W42L1, W48A1, W48L1, W60A1, W60L1 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 s ...
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Bard W48A1 - page 12
Manual 2100-508 Page 12 of 25 FIGURE 5 WALL MOUNTING INSTRUCTIONS FIGURE 6 WALL MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 2, FOR ACTUAL DIMENSIONS IF REQUIRED IF REQUIRED ...
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Bard W48A1 - page 13
Manual 2100-508 Page 13 of 25 FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS ...
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Bard W48A1 - page 14
Manual 2100-508 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 KW ...
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Bard W48A1 - page 15
Manual 2100-508 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 H ...
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Bard W48A1 - page 16
Manual 2100-508 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 b ...
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Bard W48A1 - page 17
Manual 2100-508 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 c ...
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Bard W48A1 - page 18
Manual 2100-508 Page 18 of 25 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. Remove screws holding fan shroud to condenser and bottom. Nine (9) screws. 4. Unwire cond ...
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Bard W48A1 - page 19
Manual 2100-508 Page 19 of 25 TABLE 3 COOLING PRESSURE TABLE Air Temperature Entering Outdoor Coil °F Low side pressure ± 2 PSIG High side pressure ± 5 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 evacuated ...
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Bard W48A1 - page 20
Manual 2100-508 Page 20 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 conductor ...
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Bard W48A1 - page 21
Manual 2100-508 Page 21 of 25 TABLE 5 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 conductor ...
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Bard W48A1 - page 22
Manual 2100-508 Page 22 of 25 TABLE 6 RECOMMENDED AIRFLOW TABLE 7 INDOOR BLOWER PERFORMANCE TABLE 8 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 ...
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Bard W48A1 - page 23
Manual 2100-508 Page 23 of 25 TABLE 9 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 ...
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Bard W48A1 - page 24
Manual 2100-508 Page 24 of 25 W18*1-A W24*1-A W24*1-B W24*1-C W30*1-A W30*1-B W30*1-C W36*1-A W36*1-B W36*1-C W42*1-A W42*1-B W42*1-C W48*1-A W48*1-B W48*1-C W60*1-A W60*1-B W60*1-C TABLE 10 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 6 0 C - B 4 2 H W H EX 5 0 ...
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Bard W48A1 - page 25
Manual 2100-508 Page 25 of 25 TABLE 11 VENT & CONTROL OPTIONS W18, W24 W30, W36 W42, W48, W60 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 t e m o r a ...
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