Electrical Data: CV EC Blower Motor Johnson Controls works continually to improve its products. As a result, the design and specifications of each product at the time for order may be changed without notice and may not be as described herein. Please contact Johnson Controls’ Customer Service Department at 1-877-329-7430 for specific information on the current design and specifications.
BE PREMIER SERIES– IOM Models: Model Nomenclature 024-072 PRODUCT STANDARD NAME B = Brand B = R-454B Refrigerant BLOWER MOTOR MODEL V = Constant Volume (CV) EC Motor TYPE E = Premier Series EXTENDED OPTIONS 0 = Standard SUPPLY & RETURN...
BE PREMIER SERIES– IOM Models: Attentions, Cautions, and Warnings 024-072 SAFETY WARNING All refrigerant discharged from this unit must be recovered WITHOUT Warnings, cautions, and notices appear EXCEPTION. Technicians must follow industry accepted guidelines and throughout this manual. Read these items carefully all local, state, and federal statutes for the recovery and disposal of refrigerants.
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BE PREMIER SERIES– IOM Models: Attentions, Cautions, and Warnings 024-072 CAUTION DO NOT store or install units in corrosive environments or in locations subject to temperature or humidity extremes (e.g., attics, garages, rooftops, etc.). Corrosive conditions and high temperature or humidity can significantly reduce performance, reliability, and service life.
BE PREMIER SERIES– IOM Models: General Information 024-072 INSPECTION PRE-INSTALLATION Upon receipt of the equipment, carefully check the Installation, Operation, and Maintenance instructions shipment against the bill of lading. Make sure all units are provided with each unit. Horizontal equipment have been received.
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BE PREMIER SERIES– IOM Models: General Information 024-072 Work Procedure Checks to the Refrigeration Equipment Work shall be undertaken under a controlled procedure The following checks shall be applied to installations so as to minimise the risk of a flammable gas or vapor using FLAMMABLE REFRIGERANTS: being present while the work is being performed.
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BE PREMIER SERIES– IOM Models: General Information 024-072 REPAIR TO INTRINSICALLY SAFE COMPONENTS Table 1: Altitude Adjustment Intrinsically safe components must be replaced. ft (m) 0 (0) 1.00 CABLING 656 (200) 1.00 1,312 (400) 1.00 Check that cabling will not be subject to wear, 1,968 (600) 1.00...
BE PREMIER SERIES– IOM Models: Minimum Installation Area 024-072 MINIMUM INSTALLATION AREA Minimum area where a blower-equipped unit must be installed, and mechanical/natural ventilation is not required Minimum Installation Charge Area ft ) [A Model Configuration Minimum area where unit is installed...
BE PREMIER SERIES– IOM Models: Refrigerant System Servicing 024-072 REFRIGERANT SYSTEM To maintain sealed circuit integrity, do not install The outlet for the vacuum pump shall not service gauges unless unit operation appears be close to any potential ignition sources, abnormal.
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BE PREMIER SERIES– IOM Models: Refrigerant System Servicing 024-072 Ensure that the detector is not a potential source of Before attempting the procedure, ensure that: Ignition and is suitable for the refrigerant used. Leak Mechanical handling equipment is available, detection equipment shall be set at a percentage if required, for handling refrigerant cylinders.
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BE PREMIER SERIES– IOM Models: Refrigerant System Servicing 024-072 RECOVERY When removing refrigerant from a system, either for In addition, a set of calibrated weighing scales servicing or decommissioning, it is recommended shall be available and in good working order.
BE PREMIER SERIES– IOM Models: Physical Data 024-072 BE Series Model (BE) Compressor (1 each) Scroll Factory Charge HFC/HFO-454B - (oz.) Refrigerant Leak Detection System Number of Sensors Water Connection Size Source FPT 3/4” 3/4” 1” 1” 1" System Water Volume (gallons) 0.323...
BE PREMIER SERIES– IOM Models: Horizontal Installation 024-072 HORIZONTAL UNIT LOCATION Units are not designed for outdoor installation. Locate The installation of water source heat pump units and all the unit in an INDOOR area that allows enough space associated components, parts and accessories which...
BE PREMIER SERIES– IOM Horizontal Installation: Models: Service Access 024-072 Left Return Back Discharge Right Return Back Discharge Supply Supply Air Flow Air Flow Return Return Air Flow Air Flow Front Front Left Return Straight Discharge Right Return Straight Discharge...
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BE PREMIER SERIES– IOM Models: Actual area is 3.5313” w x 8.875”h Horizontal Installation 024-072 Guides indicate .125” bleed all around Figure 2: Horizontal Unit Pitch 1/4” (6.4 mm) pitch toward drain for drainage Drain connection Figure 3: Typical Unit Installation 3/8”...
BE PREMIER SERIES– IOM Models: Horizontal Installation 024-072 CONDENSATE PIPING STAINLESS STEEL DRAIN PANS A condensate drain line must be installed and The condensate connection is female pipe thread. pitched away for the unit to allow for proper Field to provide condensate connection male adapter.
BE PREMIER SERIES– IOM Models: Horizontal Installation 024-072 DUCT SYSTEM INSTALLATION Proper duct sizing and design is critical to the An unventilated area where water source performance of the unit. The duct system should heat pump is installed and surpasses a R-454B be designed to allow adequate and even airflow refrigerant charge of 62 oz (1.76 kg), shall be without...
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BE PREMIER SERIES– IOM Models: Actual area is 3.5313” w x 8.875”h 024-072 Guides indicate .125” bleed all around Figure 5: Left Return – Side-to-Back OVERVIEW Remove Screws Water Horizontal unit blower assembly can be field Connection End converted between side (straight) and back (end) discharge using the instructions below.
BE PREMIER SERIES– IOM Models: Vertical Installation 024-072 VERTICAL UNIT LOCATION 6. Provide access to water valves and fittings and screwdriver access to the unit side panels, Units are not designed for outdoor installation. Locate discharge collar and all electrical connections.
BE PREMIER SERIES– IOM Models: Vertical Installation 024-072 SOUND ATTENUATION FOR VERTICAL UNITS Always vent the condensate line when dirt or air can collect in the line or a long horizontal drain line Sound attenuation is achieved by enclosing the is required.
BE PREMIER SERIES– IOM Actual area is 7.25” w x 8.875”h Vertical Installation: Models: Guides indicate .125” bleed all around Service Access 024-072 Vertical Units Left Return Supply Air Opening Front CCP and BSP Right Return Supply Air Opening Front...
BE PREMIER SERIES– IOM Models: Piping Installation 024-072 INSTALLATION SUPPLY AND RETURN PIPING Optional pressure-rated hose assemblies designed specifically for use with units are available. Similar Follow these piping guidelines. hoses can be obtained from alternate suppliers. Supply and return hoses are fitted with swivel-...
BE PREMIER SERIES– IOM Variable Water Flow Models: Heat Pump Applications Overview 024-072 Variable Water Flow is a revolutionary new, 4. High Head Variable Pump – Typical for intelligent, and efficient way to circulate water Individual Unit Pumping. (or water plus antifreeze) using internal, variable With this option the unit includes an internal speed water flow control.
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BE PREMIER SERIES– IOM Variable Water Flow Models: Heat Pump Applications Overview 024-072 Typical Open Loop Application High System Pressure Drop Valve (Shown with Internal Modulating Motorized Valve) WPD Adders Close Model MOPD 0.41 0.94 BE*024 0.92 2.12 To Thermostat 1.63...
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BE PREMIER SERIES– IOM Variable Water Flow Heat Pump Applications Models: Overview 024-072 Standard Head Variable Pump Performance No Check Valve With Check Valve Flow Rate (gpm) High Head Variable Pump Performance No Check Valve With Check Valve Flow (gpm)
BE PREMIER SERIES– IOM Models: Water-Loop Heat Pump Applications 024-072 COMMERCIAL WATER LOOP APPLICATIONS The piping system should be flushed to remove dirt, piping chips, and other foreign material prior to Commercial systems typically include a number of operation (see Piping System Cleaning and Flushing units connected to a common piping system.
BE PREMIER SERIES– IOM Models: Ground-Loop Heat Pump Application 024-072 Test individual horizontal loop circuits before CAUTION backfilling. Test vertical U-bends and pond loop The following instructions represent industry accepted installation assemblies prior to installation. Pressures of at least practices for closed loop earth coupled heat pump systems. Instructions are provided to assist the contractor in installing trouble free ground 100 psi [689 kPa] should be used when testing.
BE PREMIER SERIES– IOM Ground-Loop and Ground Water Models: Heat Pump Applications 024-072 Figure 12: Ground-Loop Heat Pump Applications Typical Closed Loop with Central Pumping (unit with internal modulating water valve) To Thermostat Internal Motorized Modulating Valve Water Out Water In...
BE PREMIER SERIES– IOM Ground-Loop and Ground Water Models: Heat Pump Applications 024-072 OPEN LOOP: GROUND WATER SYSTEMS and possibly plugged. In areas with extremely hard water, the owner should be informed that the heat Typical open loop piping is shown in Figure 13. Shut off exchanger may require occasional acid flushing.
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BE PREMIER SERIES– IOM Ground-Loop and Ground Water Models: Heat Pump Applications 024-072 WATER CONTROL VALVE: FLOW REGULATION: UNITS WITHOUT Variable Water Flow UNITS WITHOUT Variable Water Flow Always maintain water pressure in the heat Flow regulation can be accomplished by two exchanger by placing the water control valve(s) on methods.
BE PREMIER SERIES– IOM Models: Water Quality Requirements 024-072 Table 4: Water Quality Requirements Clean water is essential to the performance and life span of water source heat pumps. Contaminants, chemicals, and minerals all have the potential to cause damage to the water heat exchanger if not treated properly.
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BE PREMIER SERIES– IOM Models: Water Quality Requirements 024-072 α The Water Quality Table provides water quality Hydrogen Sulfide has an odor of rotten eggs. requirements for coaxial and brazed-plate If one detects this smell, a test for H S must be heat exchangers.
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BE PREMIER SERIES– IOM Actual area is 7.25” w x 8.875”h Models: Water Quality Requirements Guides indicate .125” bleed all around 024-072 Measuring Earth Ground Resistance for Ground-Water Applications � 0.02 Building Well Casing Ground Rod Ohm meter Measure the earth ground bond using an Ohm meter between the building’s ground rod and the steel well casing.
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BE PREMIER SERIES– IOM Actual area is 7.25” w x 8.875”h Models: Water Quality Requirements Guides indicate .125” bleed all around 024-072 Measuring Electrolysis, Voltage, and Current for Ground-Water Applications 300mV Heat Pump Volt Meter Wire Electrode inserted into port for Voltage Measurement Pete’s Port...
BE PREMIER SERIES– IOM Models: Hot Water Generator 024-072 The Hot Water Generator (HWG) or desuperheater Using a 125°F setpoint, the HWG can heat the lower option provides considerable operating-cost savings 40 gallons of water from 100°F to 125°F, providing up by utilizing heat energy from the compressor to 8,330 btu’s of heat.
BE PREMIER SERIES– IOM Models: Hot Water Generator 024-072 Figure 15: Two-tank HWG Installation If the control detects a HWG fault, the DXM2.5 status LED flashes a numeric fault code as follows: Cold Inlet from Domestic Supply Hot Outlet High Water Temperature (> 160ºF) (five flashes)
BE PREMIER SERIES– IOM Models: Hot Water Generator 024-072 Hot Water Generator settings are determined by The heat pump, water piping, pump, and hot water tank DIP switches 3-2, 3-3, and 3-4. should be located where the ambient temperature does not fall below 50°F (10°C).
BE PREMIER SERIES– IOM Models: Hot Water Generator 024-072 WATER TANK REFILL INITIAL STARTUP Close valve #4. Ensure that the HWG valves Make sure all valves in the HWG water circuit (valves #2 and #3) are open. Open the cold are fully open.
BE PREMIER SERIES– IOM Electrical Data: CV EC Blower Motor Models: Standard Unit 024-072 TOTAL FUSE/ COMPRESSOR VOLTAGE VOLTAGE Model VOLTAGE MOTOR UNIT CIRCUIT HACR CODE MIN/MAX QTY RLA G.J. 208/230-1-60 187.0/252.0 10.3 14.5 17.1 BE024 H.K. 208/230-3-60 187.0/252.0 10.5 12.1...
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BE PREMIER SERIES– IOM Electrical Data: CV EC Blower Motor Models: with Internal Secondary Pump 024-072 TOTAL FUSE/ COMPRESSOR VOLTAGE VOLTAGE PUMP Model VOLTAGE MOTOR UNIT CIRCUIT HACR CODE MIN/MAX QTY RLA G.J. 208/240-1-60 187/252 10.3 15.3 17.9 BE024 H.K.
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BE PREMIER SERIES– IOM Electrical Data: CV Blower Motor Models: EC Standard Unit with Variable Pump 024-072 Units with Standard Head Variable Pump Compressor Voltage Pump Total Voltage Fuse/ Model Voltage Min/ Motor Motor Unit Circ Code HACR G.J. 208/230-1-60 187/252 10.3...
BE PREMIER SERIES– IOM Models: Electrical: Power Wiring 024-072 GENERAL LINE VOLTAGE WIRING WARNING Disconnect electrical power source to prevent injury or death from Be sure the available power is the same voltage and electrical shock. phase shown on the unit serial plate. Line and low...
BE PREMIER SERIES– IOM Models: Electrical: Low Voltage Wiring 024-072 THERMOSTAT CONNECTIONS Therefore, LT1 is sensing refrigerant temperature, not water temperature, which is a better indication of The thermostat should be wired directly to the how water flow rate/temperature is affecting the DXM2.5 board.
BE PREMIER SERIES– IOM Electrical: DXM2.5 Example Wiring Models: Diagram 024-072 NOTES: Field Use Only: Transformer wiring is voltage-sensitive. Use layout corresponding to the unit voltage. Typical heat-pump thermostat wiring shown. Refer to thermostat IOM for wiring to the unit. Thermostat wiring must be “Class I”...
BE PREMIER SERIES– IOM Models: Electrical: Low Voltage Wiring 024-072 ACCESSORY CONNECTIONS Only relay- or triac-based electronic thermostats should be used with slow closing valves. When A terminal paralleling the compressor contactor coil wired as shown, the slow closing valve will operate has been provided on the DXM2.5 control.
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BE PREMIER SERIES– IOM Electrical: Low Voltage Wiring for non-Variable Water Models: Flow Units Using External Motorized Water Valve 024-072 Figure 21: Accessory Motorized Water Valve Figure 23: Two-Stage Piping Typical Wiring Example #1 Solenoid Flow Valve Regulator Unit Controller...
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BE PREMIER SERIES– IOM Models: Electrical: Low Voltage Wiring 024-072 REFRIGERANT DETECTION SYSTEM (RDS) FIELD-INSTALLED RDS SYSTEM The function, operation, and required servicing If an RDS is optionally being field-installed on non- measures for the Refrigerant Detection System (RDS) ducted horizontal units in sizes 006 to 048, use...
BE PREMIER SERIES– IOM Models: Electrical: Thermostat Wiring 024-072 THERMOSTAT INSTALLATION The thermostat should be located on an interior Mark the position of the back plate mounting wall in a larger room, away from supply duct holes and drill holes with a 3/16-inch (5 mm) bit.
BE PREMIER SERIES– IOM Models: Constant Volume CV EC Limits 024-072 CV EC ADVANTAGE A major benefit of the CV EC motor over other blower motor types is its ability to adjust airflow directly at the unit with a communicating diagnostic service tool. Airflow levels can be adjusted in increments of 25 CFM from the unit’s minimum and maximum CFM range (see the CV EC motor configuration table for details).
BE PREMIER SERIES– IOM Models: Controls: DXM2.5 024-072 DXM2.5 Controls For detailed controller information, see the DXM2.5 Application, Operation, and Maintenance (AOM) manual (part # 97B0142N01). To confirm the controller type of your particular unit, refer to digit 9 on the unit model number and the unit nomenclature diagram found on page 3 of this manual.
BE PREMIER SERIES– IOM Operating Limits and Commissioning Models: Conditions 024-072 OPERATING LIMITS COMMISSIONING CONDITIONS Environment – Units are designed for indoor Starting conditions vary depending upon model and installation only. Never install units in areas subject are based upon the following notes:...
BE PREMIER SERIES– IOM Models: Piping System Cleaning and Flushing 024-072 PIPING SYSTEM CLEANING AND FLUSHING Test the system pH with litmus paper. The system water should be in the range of pH 6.0 - 8.5 Cleaning and flushing the WLHP piping system is the (see Table 4).
BE PREMIER SERIES– IOM Models: Unit and System Checkout 024-072 SYSTEM CHECKOUT WARNING Polyolester Oil, commonly known as POE oil, is a synthetic oil used in System water temperature: Check water many refrigeration systems including those with R-454B refrigerant.
BE PREMIER SERIES– IOM Models: Unit Startup Procedure 024-072 UNIT STARTUP PROCEDURE Turn the thermostat fan position to “ON”. The Refer to the Typical Unit Operating Pressures blower should start. and Temperatures tables. Check the temperature of both entering and leaving 2.
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BE PREMIER SERIES– IOM Models: Unit Startup Procedure 024-072 HE (kW) = TD x GPM x 500 NOTE: If performance during any mode appears abnormal, refer to the CXM2/DXM2.5 section or where TD is the temperature difference troubleshooting section of this manual. To obtain...
BE PREMIER SERIES– IOM Models: Unit Operating Conditions 024-072 Table 8: BE Coax Water Pressure Drop Pressure Drop, psi [kPa] U.S. Model 30°F 50°F 70°F 90°F 110°F [-1°C] [10°C] [21°C] [32°C] [43°F] 2.20 3.00 BE024 4.50 6.00 3.40 4.50 BE036 6.80...
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BE PREMIER SERIES– IOM Models: Unit Operating Conditions 024-072 Operating Pressure/Temperature tables include the following notes: Airflow is at nominal (rated) conditions Entering air is based upon 70°F (21°C) DB in heating and 80/67°F (27/19°C) in cooling Subcooling is based upon head pressure at compressor service port...
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BE PREMIER SERIES– IOM Models: Unit Operating Conditions 024-072 BE*048 Full Load Cooling - without HWG active Full Load Heating - without HWG active Entering Water Discharge Suction Water Air Temp Discharge Suction Water Superheat Subcooling Superheat Subcooling Temp Water...
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BE PREMIER SERIES– IOM Models: Unit Operating Conditions 024-072 BE*072 Full Load Cooling - without HWG active Full Load Heating - without HWG active Entering Water Discharge Suction Water Air Temp Discharge Suction Water Superheat Subcooling Superheat Subcooling Temp Water...
BE PREMIER SERIES– IOM Models: Preventative Maintenance 024-072 WATER COIL MAINTENANCE CONDENSATE DRAIN (WATER LOOP APPLICATIONS) In areas where airborne bacteria may produce a “slimy” substance in the drain pan, it may be necessary Generally water coil maintenance is not needed for to treat the drain pan chemically with an algaecide closed loop systems.
BE PREMIER SERIES– IOM Models: Troubleshooting 024-072 GENERAL SENSOR INPUTS If operational difficulties are encountered, perform All sensor inputs are ‘paired wires’ connecting each the preliminary checks below before referring to the component to the board. Therefore, continuity on troubleshooting charts.
BE PREMIER SERIES– IOM Models: Troubleshooting 024-072 ADVANCED DIAGNOSTICS If a diagnostic tool (ACDU) is connected to the DXM2.5, additional diagnostic information and troubleshooting capabilities are available. The current status of all DXM2.5 inputs can be verified, including the current temperature readings of all temperature inputs.
BE PREMIER SERIES– IOM Models: DXM2.5 Functional Troubleshooting Flow Chart 024-072 Actual area is 7.25” w x 8.875”h WARNING HAZARDOUS VOLTAGE! DISCONNECT ALL ELECTRIC POWER INCLUDING Guides indicate .125” bleed all around REMOTE DISCONNECTS BEFORE SERVICING. Failure to disconnect power before servicing can cause severe personal injury or death.
BE PREMIER SERIES– IOM Models: Functional Troubleshooting 024-072 Fault Htg Clg Possible Cause Solution Check line voltage circuit breaker and disconnect. Check for line voltage between L1 and L2 on the contactor. Main power problems Green Status LED Off Check for 24VAC between R and C on CXM2/DXM2.5.
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BE PREMIER SERIES– IOM Models: Functional Troubleshooting 024-072 Table continued from previous page Fault Htg Clg Possible Cause Solution Check power supply and 24VAC voltage before and during operation. Check power supply wire size. Under Voltage Check compressor starting. Need hard start kit?
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BE PREMIER SERIES– IOM Models: 024-072 Table continued from previous page. Fault Htg Clg Possible Cause Solution Thermostat position Ensure thermostat set for heating or cooling operation. Unit locked out Check for lockout codes. Reset power. Only Fan Runs Compressor Overload Check compressor overload.
BE PREMIER SERIES– IOM Models: Performance Troubleshooting 024-072 Symptom Htg Clg Possible Cause Solution Dirty filter Replace or clean. Check for dirty air filter and clean or replace. Reduced or no airflow in heating Check fan motor operation and airflow restrictions.
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BE PREMIER SERIES– IOM Models: Performance Troubleshooting 024-072 Table continued from previous page Symptom Htg Clg Possible Cause Solution Thermostat wiring Check G wiring at heat pump. Jumper G and R for fan operation. Jumper G and R for fan operation. Check for line voltage across...
BE PREMIER SERIES– IOM Startup Log Sheet Models: Models: Startup Log Sheet Small Packaged Units TY, TZ 024-072 7300 S.W. 44th Street, Oklahoma City, OK 73179 • Phone: 1-800-299-9747 Installer: Complete Unit and System Checkout and follow Unit Startup Procedures in the IOM. Use this form to record unit information, temperatures, and pressures during startup.
*97B0166N01* Johnson Controls works continually to improve its products. As a result, the design and specifications of each product at the time of order may be changed without notice and may not be as described herein. Please contact Johnson Controls’ Customer Service Department at 1-877-329-7430 for specific information on the current design and specifications.
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