Table of Contents
Advertisement
Advertisement
Table of Contents
Related Manuals for Bard SH261
Summary of Contents for Bard SH261
- Page 1 INSTALLATION INSTRUCTIONS WALL MOUNTED PACKAGE HEAT PUMPS Models SH261 SH311 Bard Manufacturing Company, Inc. Manual : 2100-409C Bryan, Ohio 43506 Supersedes: 2100-409B File: Volume III Tab 17 Since 1914...Moving ahead just as planned. Date: 07-20-06 Manual 2100-409C © Copyright 2003...
-
Page 2: Table Of Contents
CONTENTS Getting Other Informations and Publications Start Up Important Installer Note ......... 18 Wall Mount General Information High Pressure Switch ..........18 Heat Pump Wall Mount Model Nomenclature ..4 Three Phase Scroll Compressor Start Up ....18 Shipping Damage ............ 7 Phase Monitor ............ -
Page 3: Getting Other Informations And Publications
Getting Other Information and Publications These publications can help you install the air For more information, contact these 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 standard. -
Page 4: Wall Mount General Information
WALL MOUNT GENERAL INFORMATION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE – MODEL NUMBER CONTROL REVISIONS MODULES VOLTS & PHASE COLOR OPTIONS X – Beige (Standard) COIL OPTIONS A – 230/208/60-1 CAPACITY B – 230/208/60-3 1 – White X – Standard 26 –... -
Page 5: Figure 1 Unit Dimensions
Manual 2100-409C Page 5 of 25... -
Page 6: Table 1 Electrical Specifications
Manual 2100-409C Page 6 of 25... -
Page 7: Shipping Damage
Any grille that meets the 5/8 inch louver criteria, may be and/or local codes in any way. Authorities having used. It is recommended that Bard Return Air Grille Kit jurisdiction should be consulted before the installation is RG-2 through RG-5 or RFG-2 through RFG-5 be made. -
Page 8: Fresh Air Intake
FRESH AIR INTAKE The blank-off plate is available upon request from the factory and is installed in place of the fresh air damper All units are built with fresh air inlet slots punched in shipped with each unit. the service panel. CONDENSATE DRAIN If the unit is equipped with the fresh air damper assembly, the assembly is shipped already attached to... -
Page 9: Installation Instructions
INSTALLATION INSTRUCTIONS 3. Locate and mark lag bolt locations and bottom WALL MOUNTING INFORMATION mounting bracket location. See Figure 4. 1. Two holes, for the supply and return air openings, 4. Mount bottom mounting bracket. If used. must be cut through the wall as shown in Figure 3. 2. -
Page 10: Figure 3 Mounting Instructions
Manual 2100-409C Page 10 of 25... -
Page 11: Figure 4 Electric Heat Clearance
FIGURE 4 ELECTRIC HEAT CLEARANCE WARNING A minimum of 1/4" clearance must be maintained between the supply air duct and combustible materials. This is required for the first three (3) feet of ducting. It is important to insure that the 1/4" minimum spacing is maintained at all points. -
Page 12: Figure 5 Wall Mounting Instructions
FIGURE 5 WALL MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIONS FIGURE 6 WALL MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS Manual 2100-409C Page 12 of 25... -
Page 13: Figure 7 Common Wall Mounting Installations
FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS Manual 2100-409C Page 13 of 25... -
Page 14: Wiring - Main Power
WIRING – MAIN POWER FIGURE 8 UNIT 24V TERMINAL BOARD 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. -
Page 15: Optional Outdoor Thermostat Applications
OPTIONAL COMPRESSOR CUTOFF OPTIONAL OUTDOOR THERMOSTAT THERMOSTAT (SEE FIGURES 9 AND 10) APPLICATIONS Heat pump compressor operation at outdoor Since most equipment at the time of manufacture is not temperatures below 0°F are neither desirable nor designated for any specific destination of the country advantageous in term of efficiency. -
Page 16: Figure 11 Electric Heat Hold-Off Wiring
ELECTRIC HEAT HOLD-OFF efficiency by utilizing the heat pump to bring the conditioned space temperature up, rather than cycling on (SEE FIGURES 11 AND 12) the electric heat due a second stage call for heat from the In other applications, it is desirable to disable the thermostat on start-up coming off a night set-back operation of the electric heat until outdoor temperatures condition or someone increasing the thermostat set... -
Page 17: Thermostat Indicators
THERMOSTAT INDICATORS “Y” terminal is the compressor input. “B” terminal is the reversing valve input. The reversing 8403-049 (1F93-380) Thermostat: valve must be energized for heating mode. In heating and cooling, the LED will illuminate green for first stage and yellow for second stage. The same “R”... -
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 dish washing detergent. damage due to phase reversal. HIGH PRESSURE SWITCH The phase monitor in this unit is equipped with two LEDs. -
Page 19: Pressure Service Ports
Heat pump heating cycle now in operation. The second Use a small screwdriver or other metallic object, or option has no “Auto” changeover position, but instead another 1/4 inch QC, to short between the SPEEDUP energizes the reversing valve solenoid constantly terminals to accelerate the HPC timer and initiate whenever the system switch on subbase is placed in defrost. -
Page 20: Figure 13 Defrost Control Board
FIGURE 13 DEFROST CONTROL BOARD Manual 2100-409C Page 20 of 25... -
Page 21: Troubleshooting
TROUBLESHOOTING SOLID STATE HEAT PUMP CONTROL 3. Turn thermostat blower switch to auto position. Indoor blower should stop. TROUBLESHOOTING PROCEDURE 4. Set system switch to heat or cool. Adjust 1. Turn on AC power supply to indoor and outdoor thermostat to call for heat or cool. The indoor units. -
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 4. If sensor resistance reads very low, then sensor is from outdoor coil. -
Page 23: Figure 14 Fan Blade Setting
1. Disconnect all power to the unit. 2. Remove the screws holding both grilles, one on NOTE: The SH261 and SH311 are shipped with the each side of unit, and remove grilles. indoor blower on high speed for ducted applications. -
Page 24: Pressure Tables
TABLE 9 PRESSURE TABLE COOLING Air Temperature Entering Outdoor Coil °F TABLE 10 PRESSURE TABLE HEATING Air Temperature Entering Outdoor Coil °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 25: Optional Accessories
TABLE 11 OPTIONAL ACCESSORIES i t n t a l i t n t a l Manual 2100-409C Page 25 of 25...