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Summary of Contents for Bard W38A1
- Page 1 INSTALLATION INSTRUCTIONS WALL MOUNTED PACKAGE AIR CONDITIONERS MODELS W38A1 W49A1 W61A1 Bard Manufacturing Company, Inc. Manual : 2100-530A Supersedes: 2100-530 Bryan, Ohio 43506 File: Volume III Tab 16 Since 1914...Moving ahead just as planned. Date: 12-15-11 Manual 2100-530A Page 1 of 22...
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Page 2: Table Of Contents
Contents Start Up Getting Other Information and Publications R-410A / General ........... 15 Topping off System Charge ........15 Wall Mount General Information Safety Practices ............. 15 Wall Mount Model Nomenclature ......4 Important Installer Note ......... 16 Shipping Damage ............ 7 High Pressure Switch .......... -
Page 3: Getting Other Information And Publications
GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help you install the air FOR MORE INFORMATION, CONTACT conditioner or heat pump. You can usually find these at THESE PUBLISHERS: your local library or purchase them directly from the publisher. Be sure to consult current edition of each ACCA Air Conditioning Contractors of America standard. -
Page 4: Wall Mount General Information
WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE CONTROL REVISION SERIES MODULES (See Spec. VOLTS & PHASE CAPACITY | Sheet S3412) A - 230/208/60/1 38 - 3 Ton CONDITIONER COLOR OPTIONS B - 230/208/60/3 49 - 4 Ton X - Beige COIL OPTIONS C - 460/60/3... -
Page 5: Figure 1 Unit Dimensions
Manual 2100-530A Page 5 of 22... -
Page 6: Table 2 Electrical Specifications
TABLE 2 ELECTRICAL SPECIFICATIONS i n i i n i t i u s t l t i u y t i . t k . r k y t i . t k . r k s t i . -
Page 7: Shipping Damage
Any grille that meets with 5/8 inch louver criteria may jurisdiction should be consulted before the installation be used. It is recommended that Bard Return Air Grille is made. See Page 3 for information on codes and Kit RG2 through RG5, or RFG2 through RFG5 be standards. -
Page 8: Filters
CONDENSATE DRAIN FILTERS A plastic drain hose extends from the drain pan at the A 1-inch throwaway filter is supplied with each unit. top of the unit down to the unit base. There are The filter slides into position making it easy to service. openings in the unit base for the drain hose to pass This filter can be serviced from the outside by removing through. -
Page 9: Installation Instructions
INSTALLATION INSTRUCTIONS WALL MOUNTING INFORMATION WARNING 1. Two holes for the supply and return air openings must be cut through the wall as shown in Figure 3. 2. On wood frame walls, the wall construction must be Failure to provide the 1/4 inch clearance strong and rigid enough to carry the weight of the between the supply duct and a combustible unit without transmitting any unit vibration. -
Page 10: Figure 3 Mounting Instructions
Manual 2100-530A Page 10 of 22... -
Page 11: Figure 4 Electric Heat Clearance
FIGURE 4 ELECTRIC HEAT CLEARANCE BELOW SIDE SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1/4 INCH CLEARANCE TO COMBUSTIBLE SURFACES. WARNING 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. -
Page 12: Figure 5 Wall Mounting Instructions
FIGURE 5 WALL MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIONS FIGURE 6 WALL MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS Manual 2100-530A Page 12 of 22... -
Page 13: Figure 7 Common Wall Mounting Installations
FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS Manual 2100-530A Page 13 of 22... -
Page 14: Wiring - Main Power
WIRING – LOW VOLTAGE WIRING WIRING – MAIN POWER Refer to the unit rating plate for wire sizing information 230/208V, 1 phase and 3 phase equipment dual primary voltage transformers. All equipment leaves the factory and maximum fuse or “HACR” type circuit breaker wired on 240V tap. -
Page 15: Start Up
7. Never fill cylinders over 80% of total capacity. TOPPING OFF SYSTEM CHARGE 8. Store cylinders in a cool area, out of direct If a leak has occurred in the system, Bard Manufacturing sunlight. recommends reclaiming, evacuating (see criteria above), 9. -
Page 16: Important Installer Note
The phase monitor in this unit is equipped with two LEDs. If the Y signal is present at the phase monitor The W38A1, W49A1 and W61A1 models are supplied and phases are correct the green LED will light. with a remote reset high pressure switch. If tripped, this... -
Page 17: Sequence Of Operation
SEQUENCE OF OPERATION Alarm Relay Output COOLING – Circuit R-Y makes at thermostat pulling Alarm terminal is output connection for applications in compressor contactor, starting the compressor and where alarm relay is employed. This terminal is outdoor motor. The G (indoor motor) circuit is powered whenever the compressor is locked out due to automatically completed on any call for cooling HPC or LPC sequences as described. -
Page 18: Figure 8 Fan Blade Setting
TROUBLESHOOTING FAN BLADE SETTING DIMENSIONS REMOVAL OF FAN SHROUD 1. Disconnect all power to the unit. Shown in Figure 8 is the correct fan blade setting 2. Remove the screws holding both grilles, one on each dimension for proper air delivery across the outdoor coil. side of unit, and remove grilles. -
Page 19: Table 5 Indoor Blower Performance
TABLE 5 O) 1 INDOOR BLOWER PERFORMANCE CFM (0.00" – 0.50" H NOTE: These units are equipped with a variable speed (ECM) indoor motor that automatically adjusts itself to maintain approximately the same rate of indoor airflow in both heating & cooling, dry & wet coil conditions and at both 230/208 or 460 volts. 1 Maximum ESP (inches WC) shown is with 2"... -
Page 20: Optional Accessories
TABLE 7 OPTIONAL ACCESSORIES l a i i t n t a l l a i i t n t a l i t n t a l i t n t a l t i u t i u t i u t i u t i u... -
Page 21: Ge Ecm™ Motors
TROUBLESHOOTING GE ECM MOTORS ™ CAUTION: Symptom Cause/Procedure • Noisy blower or cabinet • Check for loose blower housing, panels, etc. Disconnect power from unit before removing or replacing • High static creating high blower speed? connectors, or servicing motor. To avoid electric shock - Check for air whistling through seams in from the motor’s capacitors, disconnect power and wait at ducts, cabinets or panels... -
Page 22: Figure 9 Control Disassembly
TROUBLESHOOTING GE ECM MOTORS CONT’D. ™ 8b. IF REPLACING AN ECM 2.3 CONTROL WITH AN ECM Replacing ECM Control Module 2.3 CONTROL, the plastic tab and shorter through-bolts are not needed. To replace the control module for the GE variable-speed indoor blower motor The control can be oriented in two positions 180°...