Related Manuals for Bosch FHP EC Large Series
Summary of Contents for Bosch FHP EC Large Series
- Page 1 EC Large Series 072, 096, 120, 150, 151, 180, 181, 210, 240, 242, 300, 360. Installation, operation and Maintenance Manual...
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Page 2: Table Of Contents
EC Series CONTENTS Unit Nameplate Data..........24 Operating Conditions..........24 Auxiliary Heat ............24 Model Nomenclature............3 troubleshooting .............. 25 Initial Inspection..............4 Belt drive Motor General Description............4 Table................28 Moving and Storage............5 Blower Performance Location................5 Table................29 INSTALLATION ..............5 Water side Pressure Drop MOUNTING VERTICALLY..........5 Table................30 MOUNTING HORIZONTALY..........5... -
Page 3: Model Nomenclature
EC Series Model Nomenclature | 3 MODEL NOMENCLATURE Figure # 1 EC Series T111970289 (2015/01) -
Page 4: Initial Inspection
4 | Initial Inspection EC Series INITIAL INSPECTION WARNING: Installation and servicing of this equipment can be hazardous due to system pressure and electrical components. Only trained and qualified personnel should install, rECair, or service the equipment. WARNING: Before performing service or maintenance operations on the system, turn off main power to the unit. -
Page 5: Moving And Storage
EC Series Moving and Storage | 5 INSTALLATION NOTE: 50° Minimum Entering Water MOUNTING VERTICALLY Temperature (EWT) for well water applications Vertical units up to six tons are available in left or with sufficient water flow to prevent freezing. right air return configurations. Vertical units Antifreeze solution is required for all closed loop should be mounted level on a vibration absorbing applications. -
Page 6: Condensate Drain
6 | CONDENSATE DRAIN EC Series NOTE: IF unit is located in a crawl space, the bottom of the unit MUST be at least 4” above grade to prevent flooding of the electrical parts due to heavy rains. Figure # 5 The horizontal unit should be pitched approximately 1/4”... -
Page 7: Piping
EC Series Piping | 7 EC units are supplied with either a copper or optional cupro-nickel condenser. Copper is NOTE: Application of the unit to no insulated adequate for ground water that is not high in duct work is not recommended as the unit’s mineral content. -
Page 8: Ecm Interface Board
8 | Electrical EC Series WARNING: Power to the unit must be within the operating voltage range indicated on the unit namEClate or on the performance data sheet. WARNING: Operation of unit on improper line voltage or with excessive phase imbalance will be hazardous to the unit, constitutes abuse and may void the warranty. -
Page 9: Thermostat Connections
EC Series Thermostat Connections | 9 THERMOSTAT CONNECTIONS Thermostat wiring is connected to the 10 pin EM (Red) Emergency Heat On screw type terminal block on the lower center W1 (Red Auxiliary Heat On portion of the ECM Interface Board. In addition to providing a connecting point for thermostat wiring, O (Green) Reversing Valve Energized, unit is... -
Page 10: Safety Devices And The Upm Controller
10 | Safety Devices and the UPM Controller EC Series SAFETY DEVICES AND THE UPM NOTE: Do not set the ADJ DIP switch to the CONTROLLER (-) setting when electric heaters are installed. Doing so may cause the heaters to cycle on their thermal overload switches, potentially shortening the life of the switches. - Page 11 EC Series Safety Devices and the UPM Controller | 11 • High pressure switch located in the refrigerant UPM Board Factory Default Settings discharge line and wired across the HPC terminals on the UPM TEMP 26°F • Low pressure switch located in the unit LOCKOUT refrigerant suction line and wired across terminals LPC1 and LPC2 on the UPM.
- Page 12 12 | Safety Devices and the UPM Controller EC Series • MALFUNCTION OUTPUT: Alarm output is NOTE: If unit is employing a fresh water If pulse is Normally Open (NO) dry contact. system (no anti-freeze protection), it is selected the alarm output will be pulsed. The extremely important to have the Freeze1 fault output will depend on the dip switch R42 resistor set to 26°F in order to shut...
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Page 13: Electronic Thermostat Installation
EC Series Electronic Thermostat Installation | 13 ELECTRONIC THERMOSTAT WATER QUALITY INSTALLATION NOTE: Failure to insure proper water quality Position the thermostat subbase against the wall and flow rates can shorten the life of the so that it is level and the thermostat wires heat pump and potentially void the unit protrude through the middle of the subbase. -
Page 14: Upm Sequence Of Operation
14 | UPM SequenCE of Operation EC Series UPM 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 SOFT LOCKOUT COUNTER V > 18VAC RECORD ALARM NEEDED? START COUNTER (IF APPLICABLE) -
Page 15: Water Quality
EC Series water quality table | 15 WATER QUALITY TABLE POTENTIAL Water Characteristic AccECtable Value PROBLEM Copper Cupro-Nickel pH (Acidity/Alkalinity) Hardness (CaCO3, < 350 ppm < 350 ppm MgCO3) SCALING Ryznar Stability Index 6.0 - 7.5 6.0 - 7.5 Langelier Saturation Index -0.5 - +0.5 -0.5 - +0.5 Table 1: Water Quality... -
Page 16: Heat Recovery Package
16 | Heat Recovery Package EC Series HEAT RECOVERY PACKAGE 3. Close cold water inlet valve to water heater tank. The Heat Recovery Package (HRP) is a factory 4. Drain tank by opening drain valve on the mounted option. It consists of a forced pumped bottom of the tank, then open pressure relief unit that employs a circulating pump to move water through a double wall/vented heat... -
Page 17: Water Tank Refill
EC Series Water Tank Refill | 17 WATER TANK REFILL Initial Start-Up 1. Open the cold water supply to the tank. NOTE: Make sure all valves in heat recovery 2. Open a hot water faucet to vent air from the water piping system are open. -
Page 18: Sequence Of Operation
18 | Sequence of Operation EC Series SEQUENCE OF OPERATION APPLICATION CONSIDERATIONS Cooling Mode Well Water Systems Energizing the “O” terminal energizes the unit reversing valve in the cooling mode. The fan motor NOTE: In well water applications a slow starts when the “G”... -
Page 19: Installation Of Pressure Regulating Valves
EC Series Installation of Pressure Regulating Valves | 19 Figure # 16 [1] Line voltage disconnect (unit) A refrigerant tap is provided in the refrigerant line located between the reversing valve and the water- [2] Flex duct Connection to-refrigerant heat exchanger for proper [3] Low voltage control connection monitoring of the refrigerant pressures. - Page 20 20 | Cooling Tower/Boiler Systems EC Series When utilizing open cooling towers, chemical installed in the supply and return lines for unit water treatment is mandatory to ensure the water isolation and unit water flow balancing. Pressure/ is free from corrosive elements. A secondary heat temperature ports are recommended in both exchanger (plate frame) between the unit and the supply and return lines for system flow balancing.
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Page 21: Geothermal (Earth-Coupled) Systems
EC Series Cooling Tower/Boiler Systems | 21 Geothermal (Earth-Coupled) Systems installation easy. Anti-freeze solutions are utilized when low evaporating conditions are expected to Closed loop and pond applications require occur. Refer to the GLP installation manuals for specialized design knowledge. No attempt at these more specific instructions. -
Page 22: System Checkout
22 | System Checkout EC Series SYSTEM CHECKOUT UNIT START-UP After completing the installation, and before 1. Set the thermostat to the highest setting. energizing the unit, the following system checks 2. Set the thermostat system switch to “COOL”, should be made: and the fan switch to the “AUTO”... -
Page 23: Maintenance
EC Series Maintenance | 23 MAINTENANCE 1. Filter changes or cleaning are required at regular intervals. The time period between filter changes will depend upon type of environment the equipment is used in. In a single family home, that is not under construction, changing or cleaning the filter every 60 days is sufficient. -
Page 24: Unit Check-Out Sheet
Auxiliary Heat Unit Make __________________________________ Model Number: ______________________________ Serial Number _____________________________ Max Fuse Size (Amps) _______________________ Volts / Amps _______________________________ Bosch Entering Air Temperature _____________________ 555 NW 65th Court Leaving Air Temperature ______________________ Fort Lauderdale, FL 33309 MAIL TO: Phone: (954) 776-5471 Bosch.Fhp.TechSupport@us.bosch.com... -
Page 25: Troubleshooting
EC Series Troubleshooting | 25 TROUBLESHOOTING UPM Board LED Indications NOTE: Troubleshooting Information Indication Solution column may reflect a possible Color Blinks Description fault that may be one of, or a GREEN Solid 18-30 VAC Power is present combination of causes and solutions. Check each cause and adopt “process High pressure lockout of elimination”... - Page 26 26 | Troubleshooting EC Series Unit Troubleshooting Problem Possible Cause Checks and Correction UNIT OFF ON Discharge In “COOLING” mode: Lack of or inadequate water flow. Entering water HIGH PRESSURE pressure too high temperature is too warm. Scaled or plugged condenser. In “HEATING” CONTROL mode: Lack of or inadequate air flow.
- Page 27 EC Series Troubleshooting | 27 HRP Troubleshooting Problem Possible Cause Checks and Corrections NO FLOW No Power Check power supply LOW FLOW On/Off Switch Position Set switch to “ON” position Compressor Contactor Engage heat pump contactor Broken or loose wires Repair or tighten wires Air Lock Purge air from piping system...
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Page 28: Belt Drive Motor
28 | Table Belt Drive Motor EC Series TABLE BELT DRIVE MOTOR Model Voltage Rated Voltage Voltage Min/ Compressor Total Unit Compressor Service Code w/ Belt Drive Motor Cold Winding Capacitor Resistance (µF/V) Motor Min Circuit Single Single Three (each) (each) Amps Fuse/... -
Page 29: Blower Performance
EC Series Blower performance | 29 BLOWER PERFORMANCE Model Motor Rated External Static Pressure (in wc Wet coil and filter included) Sheave 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 Closed – – – – –... -
Page 30: Water Side Pressure Drop
30 | Water side pressure drop EC Series Model Motor Rated External Static Pressure (in wc Wet coil and filter included) Sheave Airflow Motor Rated Sheave Airflow Closed – – – – – – – – – – 12900 10800 Half Open 12,00 –... -
Page 31: Operating Temperatures And Pressures
EC Series Operating Temperatures and Pressures | 31 OPERATING TEMPERATURES AND PRESSURES COOLING HEATING ENTERING WATER SUCTION DISCHARGE WATER AIR TEMP DISHARGE WATER AIR TEMP SUCTION WATER FLOW PRESSURE PRESSURE TEMP DROP, °F PRESSURE PRESSURE TEMP RISE, °F MODEL TEMP, °F PSIG PSIG RISE, °F... -
Page 32: Ec150
32 | Operating Temperatures and Pressures EC Series OPERATING DATA COOLING HEATING ENTERING WATER SUCTION DISCHARGE WATER AIR TEMP DISHARGE WATER AIR TEMP SUCTION WATER FLOW PRESSURE PRESSURE TEMP DROP, °F PRESSURE PRESSURE TEMP RISE, °F MODEL TEMP, °F PSIG PSIG RISE, °F PSIG... -
Page 33: Ec240
EC Series Operating Temperatures and Pressures | 33 OPERATING DATA COOLING HEATING ENTERING WATER SUCTION DISCHARGE WATER AIR TEMP DISHARGE WATER AIR TEMP SUCTION WATER FLOW PRESSURE PRESSURE TEMP DROP, °F PRESSURE PRESSURE TEMP RISE, °F MODEL TEMP, °F PSIG PSIG RISE, °F PSIG... -
Page 34: Wiring Diagrams
34 | Wiring Diagrams EC Series WIRING DIAGRAMS Figure # 19 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. T111970289 (2015/01) Subject to change without prior notice EC Series... - Page 35 EC Series Wiring Diagrams | 35 Figure # 20 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. EC Series T111970289 (2015/01)
- Page 36 36 | Wiring Diagrams EC Series Figure # 21 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. T111970289 (2015/01) Subject to change without prior notice EC Series...
- Page 37 EC Series Wiring Diagrams | 37 Figure # 22 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. EC Series T111970289 (2015/01)
- Page 38 38 | Wiring Diagrams EC Series Figure # 23 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. T111970289 (2015/01) Subject to change without prior notice EC Series...
- Page 39 EC Series Wiring Diagrams | 39 Figure # 24 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. EC Series T111970289 (2015/01)
- Page 40 40 | Wiring Diagrams EC Series Figure # 25 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. T111970289 (2015/01) Subject to change without prior notice EC Series...
- Page 41 EC Series Wiring Diagrams | 41 Figure # 26 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. EC Series T111970289 (2015/01)
- Page 42 42 | Wiring Diagrams EC Series Figure # 27 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. T111970289 (2015/01) Subject to change without prior notice EC Series...
- Page 43 EC Series Wiring Diagrams | 43 Figure # 28 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. EC Series T111970289 (2015/01)
- Page 44 44 | Wiring Diagrams EC Series Figure # 29 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. T111970289 (2015/01) Subject to change without prior notice EC Series...
- Page 45 EC Series Wiring Diagrams | 45 Figure # 30 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. EC Series T111970289 (2015/01)
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Page 46: Notes
46 | Notes EC Series NOTES T111970289 (2015/01) Subject to change without prior notice EC Series... - Page 47 EC Series Notes | 47 EC Series T111970289 (2015/01)
- Page 48 Bosch Thermotechnology Corp 555 NW 65th Court Ft.Lauderdale, FL 33309 Phone: 954-776-5471 | Fax: 954-776-5529 www.bosch-climate-us Revised: 01/2015...