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Summary of Contents for Bard SH261D
- Page 1 INSTALLATION INSTRUCTIONS WALL MOUNTED PACKAGE HEAT PUMPS Models SH261D SH311D Manual : 2100-408C Bard Manufacturing Company Supersedes: 2100-408B Bryan, Ohio 43506 File: Volume III Tab 17 Since 1914...Moving ahead just as planned. Date: 05-06-05 © Copyright 2004...
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Page 2: Table Of Contents
CONTENTS Start Up Getting Other Informations and Publications ..1 Important Installer Note ......... 16 High Pressure Switch ..........16 Wall Mount General Information Three Phase Scroll Compressor Start Up Info ..16 Wall Mount Nomenclature ........2 Phase Monitor ............16 Shipping Damage ............ -
Page 3: Getting Other Informations And Publications
Getting Other Information And Publications For more information, contact these These publications can help you install the air conditioner or heat pump. You can usually find these at 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 Heat Pump Wall Mount Model Nomenclature REVISION MODEL NUMBER CONTROL MODULES (See Chart Below) CAPACITY COIL OPTIONS 26 – 2 Ton DEHUMIDIFICATION X – Standard 31 – 2½ Ton 1 – Phenolic Coated Evaporator 2 – Phenolic Coated Condenser VOLTS &... -
Page 5: Figure 1 Unit Dimensions
Manual 2100-408C Page... -
Page 6: Table 1 Electrical Specifications
Manual 2100-408C Page... -
Page 7: Shipping Damage
Any grille that meets the 5/8 inch louver criteria, may be standards. used. It is recommended that Bard Return Air Grille Kit RG-2 through RG-5 or RFG-2 through RFG-5 be Size of unit for a proposed installation should be based installed when no return duct is used. -
Page 8: Fresh Air Intake
CONDENSATE DRAIN FRESH AIR INTAKE A plastic drain hose extends from the drain pan at the All units are built with fresh air inlet slots punched in top of the unit down to the unit base. There are openings the service panel. in the unit base for the drain hose to pass 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. Failure to provide the 1/4 inch clearance 2. On wood-frame walls, the wall construction must be between the supply duct and a combustible strong and rigid enough to carry the weight of the unit surface for the first 3 feet of duct can result in... -
Page 10: Figure 3 Mounting Instructions
FIGURE 3 MOUNTING INSTRUCTIONS 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. MIS-311 FIGURE 4 ELECTRIC HEAT CLEARANCE WARNING • A minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials. -
Page 11: Figure 5 Wall Mounting Instructions
FIGURE 5 WALL-MOUNTING INSTRUCTIONS SEE FIGURE 3 — MOUNTING INSTRUCTIONS MIS-548 FIGURE 6 WALL-MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS SEE FIGURE 1 FOR DUCT DIMENSIONS MIS-549 Manual 2100-408C Page... -
Page 12: Figure 7 Common Wall Mounting Instructions
FIGURE 7 COMMON WALL-MOUNTING INSTRUCTIONS MIS-550 Manual 2100-408C Page... -
Page 13: Wiring - Main Power
Relay Fuse” or “HACR” type circuit breaker that is to Only the thermostat and subbase combinations be used with the equipment. The correct size must be as shown in this manual are assured by Bard to used for proper circuit protection and also to assure work with this equipment. -
Page 14: Figure 8 Hot Gas Reheat During Dehumidification With Cs200A
FIGURE 8 SHxxxDx – HOT GAS REHEAT DURING DEHUMIDIFICATION WITH CS2000A ENERGY MONITOR FULL TIME DEHUMIDIFICATION IMPORTANT NOTE: Only the thermostat and subbase combinations as shown above and in Table 4 will work with this equipment. The thermostat and subbase must be matched and the correct operation can be assured only by proper selection and application of these parts. -
Page 15: Figure 9 Hot Gas Reheat During Dehumidification With Programmable Thermostat
FIGURE 9 SHxxxDx – HOT GAS REHEAT DURING DEHUMIDIFICATION WITH PROGRAMMABLE THERMOSTAT FULL TIME DEHUMIDIFICATION IMPORTANT NOTE: Only the thermostat and subbase combinations as shown in Table 4 will work with this equipment. The thermostat and subbase must be matched, and the correct operation can be assured only be proper selection and application of these parts. -
Page 16: For Units Equipped With 1F93-380 Thermostat
TABLE 2 TABLE 3 THERMOSTAT WIRE SIZE WALL THERMOSTATS ; l o ; l o EMERGENCY HEAT POSITION FOR UNITS EQUIPPED WITH 1F93-380 THERMOSTAT (8403-049) The operator of the equipment must manually place the system switch in this position. This is done when there is a known problem with the unit, or when the red LED THERMOSTAT INDICATOR LAMPS comes on indicating a problem. -
Page 17: Low Voltage Connections
FIGURE 10 4 – 8KW 1 Ph — 6KW 3 Ph MIS-409 LOW VOLTAGE CONNECTIONS NOTE: For total and proper control using DDC, a total of 7 controlled outputs are required (6 if no These units use a grounded 24 volt AC low voltage ventilation system is installed). -
Page 18: Start Up
START UP IMPORTANT INSTALLER NOTE PHASE MONITOR All units with three phase compressors are equipped For improved start-up performance, wash the indoor coil with a 3 phase line monitor to prevent compressor with a dishwashing detergent. damage due to phase reversal. The phase monitor in this unit is equipped with two HIGH PRESSURE SWITCH LEDs. -
Page 19: Pressure Service Ports
DEFROST CYCLE HEATING SEQUENCE – On a call for heating, the compressor and reversing valve of the unit are energized The defrost cycle is controlled by temperature and time to provide heat pump heating. If the room temperature on the solid state heat pump control. See Figure 11. falls below the 2nd stage heating set point backup When the outdoor temperature is in the lower 40°... -
Page 20: Figure 11 Defrost Control Board
In order to terminate the defrost test the SEN JMP There is an initiate defrost jumper (sen jump) on the control that can be used at any outdoor ambient during jumper must be removed. If left in place too long, the the heating cycle to simulate a 0°... -
Page 21: Troubleshooting
TROUBLESHOOTING 3. Turn thermostat blower switch to auto position. SOLID STATE HEAT PUMP CONTROL Indoor blower should stop. TROUBLESHOOTING PROCEDURE 4. Set system to heat or cool. Adjust thermostat to call 1. Turn on AC power supply to indoor and outdoor for heat or cool –... -
Page 22: Checking Temperature Sensor Outside Unit Circuit
CHECKING TEMPERATURE SENSOR 3. Check resistance reading to chart of resistance. Use sensor ambient temperature. (Tolerance of part is OUTSIDE UNIT CIRCUIT ± 10%.) 1. Disconnect temperature sensor from board and from 4. If sensor resistance reads very low, then sensor is outdoor coil. -
Page 23: Table 5 Dehumidification Relay Logic Board
Manual 2100-408C Page... -
Page 24: Figure 12 Fan Blade Setting Dimensions
– and remove grilles. 3. Remove screws holding fan shroud to condenser and bottom – (9) screws. NOTE: SH261D and SH311D are shipped with the indoor blower on high speed for 4. Unwire condenser fan motor. -
Page 25: Pressure Tables
TABLE 10 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 26: Optional Accessories
TABLE 12 OPTIONAL ACCESSORIES i t n t a l i t n t a l Manual 2100-408C Page... -
Page 27: Cooling Mode
FIGURE 13 BARD HEAT PUMP COOLING MODE CIRCUIT DIAGRAM MIS-1426 FIGURE 14 BARD HEAT PUMP DEHUMIDIFICATION MODE CIRCUIT DIAGRAM MIS-1427 Manual 2100-408C Page...