Related Manuals for Bard YL253
Summary of Contents for Bard YL253
- Page 1 WALL MOUNTED PACKAGED INSTALLATION AIR CONDITIONER INSTRUCTIONS YL253 Models: Manual No.: 2100-465A Supersedes: 2100-465 Date: 07-25-06 Manual 2100-465A © Copyright 2005 Page 1 of 16...
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Page 2: Table Of Contents
CONTENTS Start Up Getting Other Information Important Installer Note ........13 Wall Mount General Information High Pressure Switch ........... 13 Model Nomenclature ..........4 Three Phase Scroll Compressor Start Up Shipping Damage ........... 6 Information ............13 General ..............6 Phase Monitor ............ -
Page 3: Getting Other Information
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 3 — MODEL NUMBER REVISIONS CONTROL MODULES J - Standard on All Models CAPACITY VOLTS & PHASE COLOR OPTIONS 25 - 2 Ton w/scroll A - 230/208/60/1 X - Beige (Standard) COIL OPTIONS B - 230/208/60/3 1 - White... -
Page 5: Figure 1 Unit Dimensions
Manual 2100-465A Page 5 of 16... -
Page 6: Shipping Damage
TABLE 2 ELECTRIC HEAT TABLE SHIPPING DAMAGE These instructions and any instructions packaged with any separate equipment required to make up the entire Upon receipt of equipment, the carton should be air conditioning system should be carefully read before checked for external signs of shipping damage. If beginning the installation. -
Page 7: Duct Work
Any grille that meets the 5/8 inch louver criteria may be used. It is recommended that Bard Return Air Grille FIGURE 2 Kit RG-2 through RG-5 or RFG-2 through RFG-5 be FRESH AIR DAMPER ASSEMBLY installed when no return duct is used. -
Page 8: Installation Instructions
INSTALLATION INSTRUCTIONS WALL MOUNTING INFORMATION 3. Mount bottom mounting bracket, if used. 1. These units are secured by wall mounting brackets 4. Hook top rain flashing under back bend of top. Top rain flashing is shipped attached to the back of the which secure the unit to the outside wall surface at unit on the right side. -
Page 9: Figure 4 Wall Mounting Instructions
FIGURE 4 WALL-MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIONS FOR OPENING SIZES FIGURE 5 WALL-MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS FIGURE 1 FOR ACTUAL DIMENSIONS Manual 2100-465A Page 9 of 16... -
Page 10: Figure 6 Common Wall Mounting Installation
FIGURE 6 COMMON WALL-MOUNTING INSTALLATIONS Manual 2100-465A Page 10 of 16... -
Page 11: Wiring - Main Power
WIRING — LOW VOLTAGE WIRING WIRING — MAIN POWER 230/208V – 1 phase and 3 phase equipment dual Refer to the unit rating plate for wire sizing information primary voltage transformers. All equipment leaves the and maximum fuse or “HACR Type” circuit breaker factory wired on 240V tap. -
Page 12: Figure 7 Low Voltage Wiring Diagram
FIGURE 7 LOW VOLTAGE WIRING DIAGRAM Manual 2100-465A Page 12 of 16... -
Page 13: Start Up
START-UP IMPORTANT INSTALLER NOTE PHASE MONITOR For improved start-up performance, wash the indoor All units with three phase compressors are equipped coil with a dishwater detergent. with a 3 phase line monitor to prevent compressor damage due to phase reversal. The phase monitor in this unit is equipped with two HIGH PRESSURE SWITCH LEDs. -
Page 14: Compressor Control Module
Alarm Relay Output COMPRESSOR CONTROL MODULE The compressor control module is optional on the Alarm terminal is output connection for applications models covered by this manual. The compressor control where alarm relay is employed. This terminal is is an anti-short cycle/lockout timer with high and low powered whenever compressor is locked out due to HPC pressure switch monitoring and alarm relay output. -
Page 15: Figure 8 Fan Blade Setting
TROUBLESHOOTING FAN BLADE SETTING DIMENSIONS TABLE 6 SUCTION LINE TEMPERATURES Shown in the drawing below are the correct fan blade setting dimensions for proper air delivery across the outdoor coil. f r i 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 16: Table 10 Cooling Pressure - Outdoor
TABLE 10 COOLING PRESSURE – OUTDOOR TEMPERATURE °F Low side pressure ± 2 PSIG High side pressure ± 5 PSIG Table 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 operating charge being in the system, the charge should be removed, system evacuated, and recharged to serial plate instructions.