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Related Manuals for Bard WL423
Summary of Contents for Bard WL423
- Page 1 INSTALLATION WALL MOUNTED PACKAGE AIR CONDITIONERS MODELS WL423 WL484 WL602 Bard Manufacturing Company Bryan, Ohio 43506 Since 1914...Moving ahead just as planned. INSTRUCTIONS Manual : Supersedes: File: Date: 2100-400 Volume III Tab 16 01-31-02 © Copyright 2002...
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Page 2: Table Of Contents
CONTENTS Getting Other Information and Publications Wall Mount General Information Heat Pump Wall Mount Model Nomenclature ... 2 Shipping Damage ... 5 General ... 5 Duct Work ... 5 Filters ... 6 Fresh Air Intake ... 6 Condensate Drain ... 6 Installation Instructions Wall Mounting Information ... -
Page 3: Getting Other Information And Publications
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/NFPA 70 Standard for the Installation ... -
Page 4: Wall Mount General Information
WALL MOUNT GENERAL INFORMATION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE MODEL NUMBER CAPACITY 42 - 3 1/2 Ton 48 - 4 Ton REVISIONS 60 - 5 Ton VOLTS & PHASE VENTILATION OPTIONS A - 230/208/60/1 X - Barometric Fresh Air Damper (Standard) B - 230/208/60/3 B - Blank-off Plate C - 460/60/3... -
Page 5: Figure 1 Unit Dimensions
BACK VIEW FIGURE 1 UNIT DIMENSIONS LEFT SIDE VIEW FRONT VIEW MIS-1286... -
Page 6: Table 2 Electrical Specifications
& Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors. Based on 75° C copper wire. All wiring must conform to NEC and all local codes. These “Minimum Circuit Ampacity” values are to be used for sizing the field power conductors. Refer to the National Electric Code (latest revision), article 310 for power conductor sizing. -
Page 7: Shipping Damage
5/8 inch. Any grille that meets with 5/8 inch louver criteria may be used. It is recommended that Bard Return Air Grille Kit RG2 through RG5 or RFG2 through RFG5 be installed when no return duct is used. -
Page 8: Filters
FILTERS A one inch throwaway filter is supplied with each unit. The filter slides into position making it easy to service. This filter can be serviced from the outside by removing the service door. A one inch washable filter and two inch pleated filter are also available as optional accessories. -
Page 9: Installation Instructions
WALL MOUNTING INFORMATION 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 strong and rigid enough to carry the weight of the unit without transmitting any unit vibration. -
Page 10: Figure 3 Mounting Instructions
FIGURE 3 MOUNTING INSTRUCTIONS MIS-947... -
Page 11: Figure 4 Electric Heat Clearance
ELECTRIC HEAT CLEARANCE MIS-277 WARNING 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 spacing is maintained at all points. -
Page 12: Figure 5 Wall Mounting Instructions
WALL STRUCTURE FACTORY SUPPLIED RAIN FLASHING. MOUNT ON UNIT BEFORE INSTALLATION SUPPLY AIR DUCT RETURN AIR OPENING BOTTOM MOUNTING BRACKET. MOUNT ON WALL BEFORE INSTALLING UNIT. MIS-948 FRAMING MATERIAL 2 X 4’S, 2 X 6’S AND/OR STRUCTURAL STEEL MIS-1051 Manual 2100-400 Page 10 FIGURE 5 WALL MOUNTING INSTRUCTIONS... -
Page 13: Figure 7 Common Wall Mounting Installations
FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS FREE AIR FLOW NO DUCT DUCTED SUPPLY RETURN AT UNIT FALSE WALL INSTALLATION CLOSET INSTALLATION MIS-1050 Manual 2100-400 Page... -
Page 14: Wiring - Main Power
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 of electric heat, there may be two field power circuits required. -
Page 15: Figure 8 Unit 24V Terminal Board
FIGURE 8 UNIT 24V TERMINAL BOARD MIS-1373A Manual 2100-400 Page... -
Page 16: Start Up
START UP IMPORTANT INSTALLER NOTE For improved start up performance wash the indoor coil with a dish washing detergent. HIGH PRESSURE SWITCH The WL484 and WL602 models are supplied with a remote reset high pressure switch. If tripped, this pressure switch may be reset by turning the thermostat off then back on again. -
Page 17: Compressor Control Module
The compressor control module is standard on the WL484 and WL602 models covered by this manual and is optional on the WL423 model. The compressor control is an anti-short cycle/lockout timer with high and low pressure switch monitoring and alarm relay output. -
Page 18: Figure 9 Fan Blade Setting
TROUBLESHOOTING FAN BLADE SETTING DIMENSIONS Shown in Figure 10 is the correct fan blade setting dimension for proper air delivery across the outdoor coil. Any service work requiring removal or adjustment in the fan and/or motor area will require that the dimensions below be checked and blade adjusted in or out on the motor shaft accordingly. -
Page 19: Pressure Table
TABLE 8 RECOMMENDED AIRFLOW * Rated CFM and ESP on high speed tap. COOLING 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 and recharged to serial plate instructions. -
Page 20: Optional Accessories
l a i i t n & t i u l l u t i u t i u t i u Manual 2100-400 Page 18 TABLE 11 OPTIONAL ACCESSORIES t a l...