4 | Initial Inspection ES 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, repair, or service the equipment. WARNING: Before performing service or maintenance operations on the system, turn off main power to the unit.
ES 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.
6 | Hanging Bracket Kit ES Series 2. Mount 4 Brackets to unit corner post using the bolts provided in the kit as shown on Figure#6. NOTE: IF unit is located in a crawl space, the bottom of the unit MUST be at least 4” above WARNING: Do not re-use screws removed grade to prevent flooding of the electrical parts from the unit on step 1 to mount the...
ES Series CONDENSATE DRAIN | 7 CONDENSATE DRAIN DUCT SYSTEM If equipped with float style condensate Supply air duct and return air duct flanges are overflow switch, final adjustment must be shipped unfolded with unit. made in the field. A supply air outlet collar and return air duct flange A drain line must be connected to the heat pump are provided on all units to facilitate duct and pitched away from the unit a minimum of 1/8”...
8 | Piping ES Series The return air inlet to the heat pump must have at NOTE: Do not overtighten the connections. least one 90 degree turn away from the space return air grille. If air noise or excessive air flow are a problem, the Flexible hoses should be used between the unit blower speed can be changed to a lower speed to and the rigid system to avoid possible vibration.
ES Series Thermostat Connections | 9 THERMOSTAT CONNECTIONS Thermostat wiring is connected to the 10 pin screw type terminal block on the lower center portion of the ECM Interface Board. In addition to providing a connecting point for thermostat wiring, the interface board also translates thermostat inputs into control commands for the Electronic Commutated Motor (ECM) DC fan motor and...
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Heater COOL/ Model Cool/ Cool/ EMERG PLUS MINUS HEAT/ Only Heat Heat Heat Heat DELAY ES025 ES035 1200 1200 1200 1400 1000 ES049 1000 1600 1600 1600 1800 1400 ES061 1200 1400...
ES Series Safety Devices and the UPM Controller | 11 SAFETY DEVICES AND THE UPM • High pressure switch located in the refrigerant discharge line and wired across the HPC CONTROLLER terminals on the UPM • Low pressure switch located in the unit refrigerant suction line and wired across terminals LPC1 and LPC2 on the UPM.
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12 | Safety Devices and the UPM Controller ES Series If 24 VAC output is needed R must be wired to UPM DIP SWITCH DEFAULT POSITION ALR-COM terminal; 24 VAC will be available o the ALR-OUT terminal when the unit is in the lockout alarm condition.
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ES Series Safety Devices and the UPM Controller | 13 • L.E.D. FAULT INDICATION: Two L.E.D. indicators are provided: Green: Power L.E.D. indicates 18-30 VAC present on board. Red: Fault indicator with the following blink codes; 1 - High Pressure Lockout 2 - Low Pressure Lockout 3 - Freeze Sensor Lockout 4 - Condensate Overflow...
14 | UPM Sequence of Operation ES Series UPM SEQUENCE OF OPERATION START RESET ON R RESET ON R = 24VAC Y1 = ON POWER/ SWITCHES/SENSOR CLEAR FAULTS STATUS CHECK BLINK CODE ON STATUS LED SOFT LOCKOUT COUNTER V > 18VAC RECORD ALARM NEEDED? START COUNTER (IF APPLICABLE)
16 | Heat Recovery Package ES 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...
ES 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.
18 | Sequence of Operation ES 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”...
ES Series Installation of Pressure Regulating Valves | 19 Figure # 18 [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.
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20 | Cooling Tower/Boiler Systems ES 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.
ES 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.
22 | System Checkout ES 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”...
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ES Series Maintenance | 23 3. Lubrication of the blower motor is not required, however may be performed on some motors to extend motor life. Use SAE-20 non- detergent electric motor oil. 4. The condensate drain should be checked annually by cleaning and flushing to insure proper drainage.
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: (954) 776-5471 Bosch.Fhp.TechSupport@us.bosch.com...
ES 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”...
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26 | troubleshooting ES 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.
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ES Series troubleshooting | 27 Compressor Ohms Model Start Winding Run Winding ES025 1.64 ES035 1.52 0.88 ES049 1.86 0.52 ES061 1.63 0.39 ES071 1.85 0.34 Tolerance +/- 7%. All resistance values must be measured with compressor at room temperature.
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28 | troubleshooting ES Series Comfort Alert Module -Flash Codes Status LED Status LED Description Status LED Troubleshooting Information Solution YELLOW "ALERT” Open Start Circuit 1. Run capacitor has failed (may not be bad, verify) FLASH CODE 6 Current only in run 2.
ES Series Electronic Thermostat Installation | 29 ELECTRONIC THERMOSTAT INSTALLATION Position the thermostat subbase against the wall so that it is level and the thermostat wires protrude through the middle of the subbase. Mark the position of the subbase mounting holes and drill holes with a 3/16-inch bit.
ES Series Blower performance data | 35 BLOWER PERFORMANCE DATA Constant Airflow ECM Motor Models Rated External Static Pressure (in of Water) Speed Airflow Adjust 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 025- Part Load Normal 025- Full Load Normal 1200 1200...
36 | Wiring diagrams ES Series WIRING DIAGRAMS Figure # 23 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. T111970291 (2015/01) Subject to change without prior notice ES Series...
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ES Series Wiring diagrams | 37 Figure # 24 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. ES Series T111970291 (2015/01)
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38 | Wiring diagrams ES Series Figure # 25 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. T111970291 (2015/01) Subject to change without prior notice ES Series...
ES Series Wiring diagrams | 39 Figure # 26 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. ES Series T111970291 (2015/01)
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40 | Wiring diagrams ES Series Figure # 27 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. T111970291 (2015/01) Subject to change without prior notice ES Series...
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ES Series Wiring diagrams | 41 Figure # 28 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. ES Series T111970291 (2015/01)
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42 | Wiring diagrams ES Series Figure # 29 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. T111970291 (2015/01) Subject to change without prior notice ES Series...
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ES Series Wiring diagrams | 43 Figure # 30 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. ES Series T111970291 (2015/01)
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44 | Wiring diagrams ES Series Figure # 31 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. T111970291 (2015/01) Subject to change without prior notice ES Series...
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ES Series Wiring diagrams | 45 Figure # 32 FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. ES Series T111970291 (2015/01)
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46 | Notes ES Series NOTES T111970291 (2015/01) Subject to change without prior notice ES Series...
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ES Series Notes | 47 ES Series T111970291 (2015/01)