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Table of Contents
Related Manuals for Bard WA302
Summary of Contents for Bard WA302
- Page 1 WALL MOUNTED PACKAGED AIR CONDITIONER INSTALLATION WA302 Models: INSTRUCTIONS WA372 MIS-656 Bard Manufacturing Company Manual No.: 2100-404 Supersedes: Bryan, Ohio 43506 File: Volume III, Tab 16 Since 1914...moving ahead just as planned. Date: 04-01-02 © Copyright 2002...
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Page 2: Table Of Contents
Contents Start Up Getting Other Information and Publications Important Installer Note ......... 13 For more information, High Pressure Switch ..........12 contact these publishers .......... 1 Three Phase Scroll Compressor Start Up Information ............. 13 Wall Mount General Information Phase Monitor ............13 Air Conditioner Wall Mount Model Nomenclature .. -
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 MODEL CONTROL MODULES 37 2 – A 10 NUMBER (See Spec. Sheet S3208) COIL OPTIONS CAPACITY X - Standard 25 - 2 Ton REVISIONS 1 - Phenolic Coated Evaporator 37 - 3 Ton COLOR OPTIONS 2 - Phenolic Coated Condenser X - Beige (Standard) -
Page 5: Figure 1 Unit Dimensions
TABLE 2 DIMENSIONS OF BASIC UNIT (NOMINAL) FIGURE 1 UNIT DIMENSIONS FRONT VIEW SIDE VIEW BACK VIEW... -
Page 6: Shipping Damage
TABLE 3 ELECTRIC HEAT TABLE - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -... -
Page 7: Duct Work
CLOSED FOR SHIPPING Any grille that meets the 5/8 inch louver criteria may be used. It is recommended that Bard Return Air Grille Kit RG-2 through RG-5 or RFG-2 through RFG-5 be installed when no return duct is used. Contact distributor or factory for ordering information. -
Page 8: Installation Instructions
INSTALLATION INSTRUCTIONS 6. Position unit in opening and secure with 5/16 lag WALL MOUNTING INFORMATION bolts; use 7/8 inch diameter flat washers on the lag 1. Two holes, for the supply and return air openings, bolts. must be cut through the wall as shown in Figure 3. 7. -
Page 9: Wiring - Low Voltage Wiring
The electrical data lists fuse and wire sizes (75ºC WIRING — LOW VOLTAGE WIRING copper) for all models, including the most commonly 230/208V, 1 phase and 3 phase equipment dual primary used heater sizes. Also shown are the number of field voltage transformers. -
Page 10: Figure 3 Mounting Instructions
FIGURE 3 MOUNTING INSTRUCTIONS 4 9/16 MIS-311 NOTE: It is recommended that a bead of silicone caulking be placed behind the side mounting flanges and under the top flashing at the time of installation. Manual 2100-404 Page 8... -
Page 11: Figure 4 Wall-Mounting Instructions
FIGURE 4 WALL-MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIONS MIS-548 FIGURE 5 WALL-MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS SEE FIGURE 1 FOR DUCT DIMENSIONS MIS-311 MIS-311 MIS-311 MIS-549 Manual 2100-404 Page 9... -
Page 12: Figure 6 Common Wall-Mounting Installations
FIGURE 6 COMMON WALL-MOUNTING INSTALLATIONS MIS-550 Manual 2100-404 Page 10... -
Page 13: Figure 7 Electric Heat Clearances
FIGURE 7 ELECTRIC HEAT CLEARANCE Side section view of supply air duct for wall mounted unit showing 1/4 inch clearance to combustible surfaces. MIS-277 WARNING 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 14: Figure 8 Low Voltage Wiring
FIGURE 8 LOW VOLTAGE WIRING MIS-1373C Manual 2100-404 Page 12... -
Page 15: Start Up
START UP IMPORTANT INSTALLER NOTE The direction of rotation of the compressor may be changed by reversing any two line connections to the For improved start-up performance, wash the indoor unit. coil with a dishwasher detergent. PHASE MONITOR HIGH PRESSURE SWITCH All units with three phase compressors are equipped The WA372 models are supplied with a remote reset with a 3 phase line monitor to prevent compressor... -
Page 16: Compressor Control Module
COMPRESSOR CONTROL MODULE Alarm Relay Output The compressor control module is optional on the Alarm terminal is output connection for applications models covered by this manual. The compressor where alarm relay is employed. This terminal is control is an anti-short cycle/lockout timer with high powered whenever compressor is locked out due to and low pressure switch monitoring and alarm relay HPC or LPC sequences as described. -
Page 17: Figure 9 Fan Blade Setting
TROUBLESHOOTING FAN BLADE SETTING DIMENSIONS The suction line temperatures in Table 8 are based upon 80ºF dry bulb/67ºF wet bulb (50 percent R.H.) Shown in the drawing below are the correct fan blade temperature and rated airflow across the evaporator setting dimensions for proper air delivery across the during cooling cycle. -
Page 18: Cooling Pressures
TABLE 12 COOLING PRESSURE Outdoor Temperature °F Low side pressure ± 2 psig High side pressure ± 5 psig Tables are based upon rated CFM (airflow) across the evaporator coil and should be found under section titled "Refrigerant Charge" elsewhere in manual. If there is any doubt as to correct charge being in the system, the charge should be removed, system evacuated and recharged to serial plate instructions. -
Page 19: Optional Accessories
TABLE 13 OPTIONAL ACCESSORIES 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 These heater packages not suitable for installation in top outlet models. NOTE: Top outlet models are available only as factory built.