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Table of Contents
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Summary of Contents for Bard WA611
- Page 1 INSTALLATION INSTRUCTIONS WALL MOUNTED PACKAGED AIR CONDITIONER WA611 Models: WA701-B WA701-C WA702-A WA721 Bard Manufacturing Company Bryan, Ohio 43506 Since 1914...Moving ahead, just as planned. MIS-801 Manual No.: 2100-425 Supersedes: File: Volume III, Tab 16 Date: 01-01-03 © Copyright 2003...
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Page 2: Table Of Contents
CONTENTS Getting Other Information and Publications For more information, contact these publishers: ... 1 Wall Mount General Information Air Conditioner Wall Mount Model Nomenclature ... 2 Shipping Damage ... 5 General ... 5 Duct Work ... 5 Filters ... 6 Fresh Air Intake ... -
Page 3: Getting Other Information And Publications
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. -
Page 4: Wall Mount General Information
WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE MODEL NUMBER CAPACITY 61 – 5 Ton 70 – 6 Ton 72 – 6 Ton REVISION VOLTS & PHASE A – 230/208-1 00 – No KW B – 230/208/60-3 0Z – No KW C –... -
Page 5: Figure 1 Unit Dimensions
DIMENSIONS OF BASIC UNIT FOR ARCHITECTURAL AND INSTALLATION REQUIREMENTS (Nominal) All dimensions in inches. TABLE 2 FIGURE 1 UNIT DIMENSIONS MIS-764... -
Page 6: Table 3 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 the National Electric Code (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 version), Article 310 for power conductor sizing. -
Page 7: Shipping Damage
5/8 inches. Any grille that meets the 5/8 inch louver criteria, may be used. It is recommended that Bard Return Air Grille Kit RG-2 thru RG-5 or RFG-2 thru RFG-5 be installed when no return duct is used. Contact distributor or factory for ordering information. -
Page 8: Filters
FILTERS A 1 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 1 inch washable filter and 2 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
The unit rating plate lists a “Maximum Time Delay Relay Fuse” or “HACR" type circuit breaker that is to be used with the equipment. The correct size must be used for proper circuit protection and also to assure that there will be no nuisance tripping due to the momentary high starting current of the compressor motor. -
Page 11: Wiring - Low Voltage Wiring
WIRING — LOW VOLTAGE WIRING 230/208V, 1 phase and 3 phase equipment dual primary voltage transformers. All equipment leaves the factory wired on 240V tap. For 208V operation, reconnect from 240V to 208V tap. The acceptable operating voltage range for the 240 and 208V taps are shown in Table 4 below. -
Page 12: Figure 4 Wall-Mounting Instructions
SEE FIGURE 3 — MOUNTING INSTRUCTIONS Manual 2100-425 Page FIGURE 4 WALL-MOUNTING INSTRUCTIONS FIGURE 5 WALL-MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS MIS-548 SEE FIGURE 1 FOR DUCT DIMENSIONS MIS-549... -
Page 13: Figure 6 Common Wall-Mounting Instructions
FIGURE 6 COMMON WALL-MOUNTING INSTALLATIONS MIS-550 Manual 2100-425 Page... -
Page 14: Figure 7 Electric Heat Clearances
MIS-277 • 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 spacing is maintained at all points. -
Page 15: Figure 8 Low Voltage Wiring
FIGURE 8 LOW VOLTAGE WIRING Manual 2100-425 Page... -
Page 16: Figure 9 Start-Up Label
The decal in Figure 9 is affixed to all WA611, WA70 and WA721 units detailing start-up procedure. This is very important. Please read carefully. -
Page 17: Service Hints
The high pressure switch and low pressure switch cut out and cut in settings are fixed by specific air conditioner or heat pump unit model. The lockout features, both soft and manual, are a function of the Compressor Control Module. -
Page 18: Adjustments
ADJUSTMENTS Adjustable Delay on Make and Delay on Break Timer The potentiometer is used to select Delay on Break time from 30 seconds to 5 minutes. Delay on Make (DOM) timing on power-up and after power interruptions is equal to 2 minutes plus 10% of Delay on Break (DOB) setting: 0.5 minute (30 seconds) DOB =123 second DOM 1.0 minute (60 seconds) DOB =126 second DOM... -
Page 19: Figure 10 Fan Blade Setting
FAN BLADE SETTING DIMENSIONS Shown in the drawing below are the correct fan blade setting dimensions 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 20: Pressure Chart
- - - - - - - - - COOLING PRESSURE – (All temperatures °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 and recharged to serial plate instruction. -
Page 21: Optional Accessories
OPTIONAL ACCESSORIES l l u TABLE 13 i t n t a l i t n t a l i t n t a l Manual 2100-425 Page...