Bosch SM024 Installation, Operation And Maintenance Manual
Sm ah series heat pump
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Summary of Contents for Bosch SM024
- Page 1 SM AH Series Heat pump SM024 | SM036 | SM048 | SMO60 | SM070 Installation, Operation and Maintenance Manual...
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Page 2: Table Of Contents
DX071-1VTX SM070-1CSC SM070-1AVX SM070-1AHX DX071-1VTX DX071-1CCX DX071-1UCX LEGEND: BOSCH box style Vertical Air Handler BOSCH box style Horizontal Air Handler Cased coil Uncased coil BOSCH unitary style air handler 8733920846 (2015/01) Subject to change without prior notice SM AH Series Heat Pump... -
Page 3: Ah Model Nomenclature
SM AH Series Heat Pump AH Model Nomenclature | 3 AH MODEL NOMENCLATURE AV X X L T A FAN MOTOR OPTIONS SERIES A - Constant Airflow ECM SIZE DISCHARGE AIR CONFIGURATION T - Top (AV only) S - Straight (AH only) E - End (AH only) RETURN AIR CONFIGURATION L - Left... -
Page 4: Initial Inspection
4 | INITIAL INSPECTION SM AH Series Heat Pump MOVING AND STORAGE To avoid equipment damage, DO NOT use If the equipment is not needed for immediate these units as a source of heating or cooling installation upon its arrival at the job site, it should during the construction process. -
Page 5: Condensing Section
SM AH Series Heat Pump Installation | 5 Condensing Section operate continuously to prevent possible condenser freeze-up and to optimize overall Locate the condensing section in an area that system performance. Consult the factory in these provides sufficient room to make water and instances for guidance. -
Page 6: Hanging Bracket Kit
6 | Hanging Bracket Kit SM AH Series Heat Pump The secondary drain pan prevents possible condensate overflow or water leakage damage to the ceiling. The secondary drain pan is usually placed on a plywood base isolated from the ceiling joists by additional layers of vibration absorbing mesh. -
Page 7: Condensate Drain
SM AH Series Heat Pump CONDENSATE DRAIN | 7 Figure # 7 Figure # 8 The condensing unit should be pitched approximately 1/4" towards the drain in both NOTE: Plumbing connected to the heat directions, to facilitate condensate removal. (See pump must not come in direct contact with Figure #6) joists, trusses, walls, etc. -
Page 8: Electrical
8 | Electrical SM AH Series Heat Pump Electric Heater Package Option If the unit will be installed in a new installation which includes new duct work, the installation Factory installed internal electric heater packages should be designed using current ASHRAE are available for all unit sizes, in certain procedures for duct sizing. -
Page 9: Electronic Thermostat Installation
Figure 12: Heater Package Compatibility Heater Model Heater Amps Circuit Max. Fuse Model Min. 208V 240V 208V 240V 208V 240V SM024 thru 070 HK050-1XS 17.3 20.0 L1/L2 27.1 30.4 SM024 thru 070 HK100-1XS 34.7 40.0 L1/L2 48.8 55.4 SM036 thru 070 HK100-1XM 34.7... -
Page 10: Ecm Interface Board
10 | Electrical SM AH Series Heat Pump Condensate PACKAGED Sensor (1) THERMOSTAT HEAT PUMP Alarm Output Splice (From UPM) Auxilliary W/W1/W2 Electric Heat EM/W2 Emergency Heat (4) For the condensate overflow sensor, connect ‘CS’ at the condensing section to ‘CS’ at the air handler. Be sure to ground power supply. -
Page 11: Sequence Of Operation
SM AH Series Heat Pump Sequence of operation | 11 The thermostat connections and their functions Just above the connector block is a single red LED are as follows: labeled CFM that will blink intermittently when the unit is running and may flicker when the unit is off. Second Stage Compressor Operation This LED indicates the air delivery of the blower at First Stage Compressor Operation... -
Page 12: Heating Mode
12 | Refrigerant Lines SM AH Series Heat Pump Once the thermostat is satisfied, the compressor • Pressure drop (friction losses) in refrigerant shuts down accordingly and the fan ramps down to suction lines reduces system capacity and either fan only mode or off over a span of 30 seconds increases power consumption by as much as (ECM Motors). -
Page 13: Unit
Wrench 4. Verify the heat pump is operating in the cooling Type Size size mode. 5. Turn the thermostat system switch to the SM024/036 Suction 5/16 "OFF" position. The unit should stop running SM048/060/070 Suction 5/16 and the reversing valve should deenergize. -
Page 14: Unit Checkout Sheet
Auxiliary Heat Unit Make __________________________________ Model Number: ______________________________ Serial Number _____________________________ Max Fuse Size (Amps) _______________________ Volts / Amps _______________________________ Bosch Group Entering Air Temperature _____________________ 555 NW 65th Court Leaving Air Temperature ______________________ Fort Lauderdale, FL 33309 MAIL TO: Phone: (866) 642-3198 Bosch.Fhp.TechSupport@us.bosch.com... -
Page 15: Troubleshooting
SM AH Series Heat Pump Troubleshooting | 15 TROUBLESHOOTING Unit Troubleshooting Problem Possible Cause Checks and Correction ENTIRE UNIT Power Supply Off Apply power, close disconnect DOES NOT RUN Blown Fuse Replace fuse or reset circuit breaker. Check for correct fuses Voltage Supply If voltage is below minimum voltage specified on unit data plate, contact local power company. - Page 16 16 | Troubleshooting SM AH Series Heat Pump Unit Troubleshooting Problem Possible Cause Checks and Correction INSUFFICIENT Unit undersized Recalculate heating and or cooling loads. If excessive, possibly adding COOLING OR insulation and shading will rectify the problem HEATING Loss of Check for leaks in duct work or introduction of ambient air through conditioned air by doors or windows...
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Page 17: Wiring Diagrams
SM AH Series Heat Pump Wiring Diagrams | 17 WIRING DIAGRAMS Figure # 17 SM - No Electric Heat Kit 8733920846 (2015/01) -
Page 18: Wiring Diagrams
18 | Wiring Diagrams SM AH Series Heat Pump Figure # 18 SM- With Electric Heat Kit 8733920846 (2015/01) Subject to change without prior notice SM AH Series Heat Pump... - Page 19 SM AH Series Heat Pump Dimensional drawings | 19 DIMENSIONAL DRAWINGS 8733920846 (2015/01)
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Page 20: Dimensional Drawings
20 | Dimensional drawings SM AH Series Heat Pump 8733920846 (2015/01) Subject to change without prior notice SM AH Series Heat Pump... - Page 21 SM AH Series Heat Pump Dimensional drawings | 21 SPARE PARTS LIST - AIR HANDLER 8733920846 (2015/01)
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Page 22: Air Handler Part List
22 | Notes SM AH Series Heat Pump NOTES 8733920846 (2015/01) Subject to change without prior notice SM AH Series Heat Pump... - Page 23 SM AH Series Heat Pump Notes | 23 8733920846 (2015/01)
- Page 24 601 N.W. 65th Court, Ft. Lauderdale, FL 33309 Phone: 866-642-3198 | Fax: 954-776-5529 www.boschtaxcredit.com | www.bosch-climate.us Revised 01/2015...