SV Heat PumpSeries CONTENTS Constant CFM ECM Blower Motor........30 Model Nomenclature............3 Unit Start Up..............31 General Description............4 Maintenance..............31 Unit Check Out Sheet..........32 Moving and Storage............4 Troubleshooting.............. 33 Initial Inspection..............5 Temperature/Pressure Table ........... 38 Location................5 Waterside Pressure Drop Table ........44 Water Quality ..............6 Water Coil Volume............44 Installation................7...
4 | General Description SV Heat PumpSeries SAFETY CONSIDERATIONS GENERAL DESCRIPTION The SV series water-to-air heat pump provides an WARNING: Installation and servicing of this unmatched combination of performance, features equipment can be hazardous due to system and flexibility for both high performance new pressure and electrical components.
Revised 08/14 Moving and Storage | 5 INITIAL INSPECTION SV series units are offered with a wide range of factory installed options including: PSC, constant Be certain to inspect all cartons or crates on each torque ECM or constant air flow ECM fan motors, unit as received at the job site before signing the hot gas reheat, tin plated air coils, on board DDC freight bill.
Revised 08/14 Installation | 7 Mounting Vertical Units For open loop systems, water quality is very important. Table #1 shows acceptable ranges for a SV Series vertical and counter flow units should be variety of water quality factors. The three main mounted level on a vibration absorbing pad slightly concerns in open loop installations are scaling, larger than the unit base in order to minimize...
8 | Hanging Bracket Kit SV Heat PumpSeries (10) Bolts 1/4-28x1/2” Hex Bolt ( not used on this Units larger than six tons include an integral model) angle iron frame with mounting holes present. The following are needed and are to be field (See unit horizontal detail drawing).
Revised 08/14 Converting Horizontal Supply Air Configuration | 9 4. Hang the unit and assemble the field provided 9. Replace the blower access panel. Thread Rod, Nuts and washers on to the Brackets 10. Reconnect power to the unit. as shown in Figure#5 CONDENSATE CONNECTIONS A drain line must be connected to the heat pump CAUTION: Rods must be securely anchored...
10 | Piping SV Heat PumpSeries A flexible connector is recommended for supply In conditions anticipating moderate scale and return air duct connections on metal duct formation or in brackish water a cupro-nickel heat systems. All metal ducting should be insulated exchanger is recommended.
Revised 08/14 Electrical - High Voltage | 11 ELECTRICAL - HIGH VOLTAGE WARNING: The power supply ground wire All field installed wiring must comply with the should never be used as a neutral wire. National Electric Code as well as all applicable local codes.
12 | Unit Controls - UPM SV Heat PumpSeries Table #2 shows the VA draw of factory mounted components in the SV heat pump. The total VA draw of the heat pump internal components plus any attached accessories must be lower than the VA capacity of the unit control transformer.
Revised 08/14 Unit Controls - UPM | 13 Thermostat Options NOTE: Always disconnect power before changing jumper positions on the interface First Stage Compressor Operation board and reset the unit afterward. Transformer 24 VAC Common (primary connection) Dehumidification Method Selector Transformer 24 VAC Hot Dehumidification method selector (Figure #7, item Dehumidification Mode...
14 | Unit Controls - UPM SV Heat PumpSeries Sequence of Operation START RESET ON R RESET ON Y1 = ON R = 24VAC POWER/ SWITCHES/SENSOR CLEAR FAULTS STATUS CHECK BLINK CODE ON STATUS LED COUNTER SOFT LOCKOUT V > 18VAC NEEDED? RECORD ALARM START COUNTER (IF APPLICABLE)
Revised 08/14 Unit Controls - UPM | 15 General UPM Safety Features SV series heat pumps are designed to be controlled by a standard 1 heat / 1 cool heat pump thermostat. The heat pump control circuit operates on 24 VAC control voltage regardless of the unit supply voltage.
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16 | Unit Controls - UPM SV Heat PumpSeries • Evaporator freeze protection sensor, mounted If the thermostat is provided with a malfunction after the thermal expansion device and the light powered off of the hot (R) side of the evaporator, monitors refrigerant temperature transformer, then the thermostat malfunction between the evaporator coil and thermal...
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Revised 08/14 Unit Controls - UPM | 17 • RANDOM START: Each controller has an unique UPM Board Factory Default Settings random start delay ranging from 270 to 300 seconds on initial power up to reduce the chance of multiple TEMP 26°F unit simultaneously starting at the same time after...
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18 | Unit Controls - UPM SV Heat PumpSeries • TEST DIP SWITCH: • INTELLIGENT RESET: If a fault condition is A test dip switch is provided initiated, the 5 minute delay on break time to reduce all time delays settings to 10 seconds period is initiated and the unit will restart after during troubleshooting or verification of unit these delays expire.
Revised 08/14 Options | 19 OPTIONS To function, heat pumps with hot gas reheat must be controlled by both a thermostat and a Extended Range Option humidistat (or a combination thermostat/ SV heat pumps are supplied standard with humidistat). The humidistat must provide a dry capillary style expansion device tuned to typical contact closure on a rise in humidity above set boiler/tower system operating conditions.
20 | Application Considerations SV Heat PumpSeries APPLICATION CONSIDERATIONS NOTE: It is imperative that all air is Boiler/Cooling Tower Systems eliminated from the closed loop side of the To assure adequate cooling and heating heat exchanger to prevent condenser performance, the cooling tower and boiler water fouling.
Revised 08/14 Application Considerations | 21 Geothermal Closed Loop Systems Utilizing Ground Loop Pumping Package (GLP), Operation of an SV Series unit on a closed loop makes the installation easy. Anti-freeze solutions application requires the extended range option. must be utilized when low loop temperatures are CAUTION: Closed loop and pond expected to occur.
Revised 08/14 Fan Motor Options | 23 FAN MOTOR OPTIONS 4. Uncap the desired fan speed wire and terminate with a ¼” quick connect. Connect to Permanent Split Capacitor Motors (PSC) the fan relay. The standard motor for all SV series heat pumps is 5.
26 | Fan Motor Options SV Heat PumpSeries Table 6: Constant Torque Blower Motor Data Model Spee Rated Airflow 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1390 1370 1350 1320 1600 1580 1550 1530 1510 SV-048 1600 1730...
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Revised 08/14 Fan Motor Options | 27 Table 7: Constant Airflow Motor Performance Table Rated Model Speed Airflow 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 A - Low SV-015 A - Normal A - Hi B - Low SV-018 B - Normal...
Revised 08/14 Constant Torque ECM Blower Motor | 29 CONSTANT TORQUE ECM BLOWER MOTOR Compressor Voltage Voltage Fan Motor Total Unit Model Rated Voltage Motor Circuit Code Min/Max Fuse Amps 208-230/60/1 197/253 0.33 SV015 265/60/1 240/292 0.33 208-230/60/1 197/253 0.33 10.9 SV018 265/60/1...
30 | Constant CFM ECM Blower Motor SV Heat PumpSeries CONSTANT CFM ECM BLOWER MOTOR Volt- Compressor Total Min Cir- Rated Voltage Model Motor Motor Unit cuit Fuse/ Voltage Min/Max QTY RLA Code Amps HACR 208-230/60/ 197/253 0.33 SV015 265/60/1 240/292 0.33 208-230/60/...
Revised 08/14 Unit Start Up | 31 UNIT START UP 2. An annual “checkup” is recommended by a licensed refrigeration mechanic. Recording the 1. Set the thermostat to the highest setting. performance measurements of volts, amps, 2. Set the thermostat system switch to “COOL”, and water temperature differences (both and the fan switch to the “AUTO”...
Auxiliary Heat Unit Make __________________________________ Model Number: ______________________________ Serial Number _____________________________ Max Fuse Size (Amps) _______________________ Volts / Amps _______________________________ Bosch Group Entering Air Temperature _____________________ 601 NW 65th Court Leaving Air Temperature ______________________ Fort Lauderdale, FL 33309 MAIL TO: Phone: 866-642-3198 Bosch.Fhp.TechSupport@us.bosch.com...
Revised 08/14 Troubleshooting | 33 TROUBLESHOOTING UNIT TROUBLESHOOTING Problem Mode Check Possible Cause Action Cooling Heating Check water valves and/or pumps High Pressure fault - no for proper operation. Check for or low water flow water coil blockage. High Pressure fault - high Check water temperature - is it in water temperature range?
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34 | Troubleshooting SV Heat PumpSeries UNIT TROUBLESHOOTING Problem Mode Check Possible Cause Action Check condensate pan for high Condensate fault - poor water level. Check drain line for drainage blockages, double trapping or inadequate trapping. Is fault LED Blinking Check condensate pan for high 4 times? water level.
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Revised 08/14 Troubleshooting | 35 UNIT TROUBLESHOOTING Problem Mode Check Possible Cause Action Check for supply voltage at the load Open compressor side of the contactor. For 3 phase overload models check phase rotation and voltage at all 3 phases. Look for signs of heat on the wiring insulation.
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36 | Troubleshooting SV Heat PumpSeries UNIT TROUBLESHOOTING Problem Mode Check Possible Cause Action Check for 24 VAC between "G" and "C". Check all wiring connections. No fan operation signal Make sure that the thermostat connection plug is securely connected. Check all wiring connections at motor and control box.
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Revised 08/14 Troubleshooting | 37 UNIT TROUBLESHOOTING Problem Mode Check Possible Cause Action Fan speed setting too Consult blower performance table Air flow too high high and reduce fan speed if possible. Loss of refrigeration Check refrigerant pressures with Low refrigerant capacity gauge set.
Water Side Water Side SV Series Coaxial Coil Volume (gal) Flow Pressure Drop Model Pressure Drop Rate with Internal (PSI) 0.04 (GPM) Valve (PSI) 0.06 SV007 0.08 SV009 0.09 0.14 SV012 0.14 0.24 SV015 0.27 13.8 0.27 SV018 0.27 11.3 0.49...
46 | Corner Weights (HZ) SV Heat PumpSeries CORNER WEIGHTS (HZ) Configuration Left Hand Return Right Hand Return Model Total Left Front* Right Front* Left Back Right Back Left Front* Right Front* Left Back Right Back SV007-HZ SV009-HZ SV012-HZ SV015-HZ SV018-HZ SV024-HZ SV030-HZ SV036-HZ...
Revised 08/14 Wiring Diagrams | 47 WIRING DIAGRAMS Figure # 16 Single Phase Base Unit, PSC Fan Motor NOTE: FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit SV Heat Pump Series 8 733 914 818 (2014/08)
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48 | Wiring Diagrams SV Heat PumpSeries Figure # 17 1 Stage-1 Phase X13 Motor. NOTE: FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. 8 733 914 818 (2014?08) Subject to change without prior notice SV Heat Pump Series...
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Revised 08/14 | 49 Figure # 18 1 Stage- Phase- EON Motor. NOTE: FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. SV Heat Pump Series 8 733 914 818 (2014/08)