Lochinvar 100 Series User'S Information Manual Download Page 15 | Manualshive

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11

MINIMUM WIRE SIZE

Allowable Ampacities of Insulated Conductors

Single-phase heat pump water heaters are two wire circuits.
Three-phase heaters are three wire circuits. In addition to the
foregoing, a grounded conductor is required. Not more than
three conductors in raceway, cable, or earth (directly buried),
based on ambient temperature of 30°C (86°F)

TABLE 3

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Summary of Contents for 100 Series

Page 1: ...Information Manual Series 100 Models MHP0270 MHP0540 MHP0810 MHP1080 MHP1350 MHP1620 MHP1890 MHP2160 Modular Water Source Commercial Heat Pump Water Heating Systems Certified UL 1995 2015 CSA C22 2 NO 236 2015 ...

Page 2: ......

Page 3: ...TO MEMBER UNITS 22 MASTER CONTROL UNIT SUPPORT CALL SEQUENCE OF OPERATIONS 22 MEMBER SCREENS 23 SAFE INSTALLATION USE AND SERVICE 1 GENERAL SAFETY INFORMATION 2 PRECAUTIONS 2 GROUNDING INSTRUCTIONS 2 INTRODUCTION 3 QUALIFICATIONS 3 PREPARING FOR THE INSTALLATION 3 PRINCIPLEOFOPERATION 4 THE REFRIGERATION CYCLE 4 SOURCE WATER TEMPERATURE RANGE 4 WATER TEMPERATURE RANGE 4 REFRIGERANTCHARGE 4 EQUIPME...

Page 4: ...ADDRESS CONFIGURATION 23 SINGLE UNIT HEAT BANK SCREEN 23 MEMBER SCREEN TERMINOLOGY 24 HOME SCREEN 24 ALARM SCREEN 24 CONFIGURATION SCREEN 24 STOP SCREEN 24 IP CONFIGURATION 24 MAINTENANCE AND SERVICE 25 ROUTINE MAINTENANCE 25 CLEANING INTERNAL INSULATION 25 CHECKING REFRIGERANT CHARGE 25 CHECK WATER TEMPERATURE RISE 25 FACTORY CHARGE 25 SUPERHEAT CALCULATION 26 BRAZE PLATE CLEANING INSTRUCTIONS 26...

Page 5: ...thers who install use or service this heat pump water heater All safety messages will generally tell you about the type of hazard what can happen if you do not follow the safety message and how to avoid the risk of injury The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to publish a list of substances known to the State of California to cause cancer ...

Page 6: ... External fire 2 Damage 3 Running without water GROUNDING INSTRUCTIONS This heat pump water heater must be grounded in accordance with the National Electrical Code and or local codes These must be followed in all cases Failure to ground this water heater properly may also cause erratic control system operation This heat pump water heater must be connected to a grounded metal permanent wiring syste...

Page 7: ...MAGE Thismanualcontainsinstructionsfortheinstallation operation and maintenance of the heat pump water heater HPWH It also contains warnings throughout the manual that you must read and be aware of All warnings and all instructions are essential to the proper operation of the HPWH and your safety READ THE ENTIRE MANUAL BEFORE ATTEMPTING TO INSTALL OR OPERATE THIS WATER HEATING APPLIANCE Detailed i...

Page 8: ...customer provided Water Pump circulates water through the condenser Refrigerant leaving the condenser is a medium temperature high pressure liquid It flows through the Liquid Line to the Thermostatic Expansion Valve The thermostatic expansion valve TXV regulates the flow of refrigerant into the Evaporator The evaporator is a single wall brazed plate source water to refrigerant heat exchanger The r...

Page 9: ...r Circuit Heated Water Inlet Condenser Heat Exchanger Heated Water Outlet Figure 1 FEATURES COMPONENTS PRODUCT ILLUSTRATION Component Source Water Circuit Source Water Inlet Evaporator Heat Exchanger Source Water Outlet Electrical Enclosure Condenser Heat Exchanger Refrigerant To Potable Water Evaporator Heat Exchanger Water to Refrigerant Evaporator Flow Switch Hot Water Out Hot Water In Source W...

Page 10: ...6 Thermostatic Expansion Valve TXV Condenser Paddle Wheel Flow Sensor Accumulator Receiver ...

Page 11: ...7 WATER TO WATER CYCLE ...

Page 12: ...BTUH BTUH MHP0270 50 50 277 100 210 000 2 34 36 68 1 150 1 300 MHP0540 100 100 554 200 414 450 2 64 36 68 2 300 2 600 MHP0810 150 150 831 300 632 500 2 99 36 68 3 450 3 900 MHP1080 200 200 1 108 400 843 350 2 132 36 68 4 600 5 200 MHP1350 250 250 1 385 500 1 054 200 2 164 36 68 5 750 6 500 MHP1620 300 300 1 662 600 1 265 000 2 Based on Conﬁguration 6 900 7 800 MHP1890 350 350 1 939 700 1 475 600 2...

Page 13: ...ust conform to these instructions and all local and national code authority having jurisdiction Costs to diagnose perform service and repair damage caused by installation errors are not covered under the limited warranty Costs to correct installation errors are not covered under the limited warranty WATER TEMPERATURE MAXIMUM SYSTEM TEMPERATURE TheHPWHunitscoveredinthismanualarecapableofmaintaining...

Page 14: ... NFPA 70 or the Canadian Electrical Code CSA C22 1 Voltage applied to the HPWH should not vary more than 5 to 10 of the voltage requirement listed on the HPWH rating label for satisfactory operation TABLE 2 VOLTAGE AMPERAGE RATINGS Model Volts Phase HZ Compressor MCA MOCP MFS LRA RLA MHP0270 208 230 3 60 560 92 9 116 125 440 480 3 60 270 49 3 62 70 575 3 60 198 28 2 35 40 MHP0540 208 230 3 60 560 ...

Page 15: ...se heat pump water heaters are two wire circuits Three phase heaters are three wire circuits In addition to the foregoing a grounded conductor is required Not more than three conductors in raceway cable or earth directly buried based on ambient temperature of 30 C 86 F TABLE 3 ...

Page 16: ...In addition to using the lowest possible temperature setting that satisfies the demand of the application a Mixing Valve should be installed upstream from the building fixtures or at the hot water taps to further reduce system water temperature WATER PIPING Read all installation requirements in this manual before installation begins The water piping installation must conform to these instructions ...

Page 17: ...ssistance in sizing of a temperature and pressure relief valve Follow the storage tank manufacturer s instructions regarding the proper installation of these products TANK SELECTION The HPWH unit is not an instantaneous water heater and must be connected to a storage tank Storage tank configurations must meet these criteria 1 The HPWH must not be connected directly to a standard gas or electric wa...

Page 18: ...components are not moisture tolerant Note The limited warranty does not cover damage to the unit or controls due to negligence during storage The pictures may appear different than your actual unit all information and reference to lifting applies to all of our models FIGURE 4 FIGURE 5 FIGURE 6 INSTALLATION REQUIRED ABILITY Installation and service of the HPWH unit requires ability equivalent to th...

Page 19: ...ng channels on the bottom of the unit See Table 1 on page 8 for unit dimensions and weights Note A qualified engineer should design and size the structural components of the mounting frame Structural channels in a field provided frame should be mounted perpendicular to the unit s footing channels PAD MOUNTING The HPWH may be pad mounted Vibration isolator mounts MUST BE placed between the unit and...

Page 20: ...ontrolled by a field supplied thermostat installed in the building recirculation return line near the storage tank or back up heater The thermostat should stop pump operation the moment the recirculation line is hot 12 Use swing type check valves not spring loaded types on the water outlet lines of all HPWH units plumbed in parallel to prevent hot water short circuiting 13 Water lines shared by pa...

Page 21: ... line on the HPWH to help prevent scale build up in the heat exchanger Service costs to clear blockages from the HPWH unit s heat exchanger due to debris are not covered under the limited warranty ELECTRICAL 13 BEFORE ENERGIZING THE UNIT ensure the power supply voltage and phase matches the requirements on the HPWH rating label Damage resulting from applying the wrong voltage or phase is not cover...

Page 22: ...key on the Touchscreen Monitor the refrigerant pressure hot water in and out temperatures and cold water in and out temperatures Itmaybehelpfultorecordtheoperatingdatainitiallyevery10 to15minutesjusttoseehowtheheatpumpisperforming 3 PHASE STARTUP PROCEDURES Make sure the disconnect is off and confirm there is no power on the distribution block on the electrical panel Pull Compressor fuses Turn pow...

Page 23: ...since they will always start and run in the proper direction Three phase compressors will rotate in either direction depending upon phasing of the power to L1 L2 and L3 Since there is a 50 50 chance of connecting power in such a way as to cause rotation in the reverse direction it is important to include notices and instructions in appropriate locations on the equipment to ensure proper rotation d...

Page 24: ...minimum of water piping between the HPWH and the water system or tank Throttling should be done in small increments no more than 1 8 turn of the valve handle at a time The HPWH must be allowed to run for approximately 5 minutes between each adjustment before the temperature rise is measured again If the outlet valve is throttled during start up mark the valve position and remove the valve handle t...

Page 25: ...STER PANEL ALARM SCREEN MASTER PANEL CONFIGURATION SCREEN MASTER SCREEN TERMINOLOGY HOME SCREEN LP Low Pressure indicates the suction line pressure on the low side of the system HP High Pressure indicates the discharge line pressure on the high side of the system LLSV Liquid Line Solenoid Valve indicates the position of the LLSV open or closed Comp Compressor indicates the status of the compressor...

Page 26: ...mpDiff Temperature Difference sets the difference below the setpoint where the master will give a call for members to run SAVE button Saves the Tank Diff Set and System Timer parameters Master IP Address IP Address used to connect panel to BMS system Master IP Subnet subnet mask for address range IP is configured in Master IP Gateway IP Address for internet router on site used to connect to unit v...

Page 27: ...ME SCREEN OPERATING AS A SINGLE UNIT IN DEFROST SINGLE UNIT HOME SCREEN DISPLAYING ALARM SINGLE UNIT ALARM SCREEN SINGLE UNIT PIPE CONFIGURATION SCREEN SINGLE UNIT TANK CONFIGURATION SCREEN SINGLE UNIT IP ADDRESS CONFIGURATION SCREEN FOR USE CONTACT LOCHINVAR SINGLE UNIT HEAT BANK SCREEN ...

Page 28: ...n short cycling OUTLET FLOW indicates if the unit has alarmed out on condenser water flow Evap Flow indicates if the evaporator has flow M PROTECTION indicates if the unit has alarmed out on motor protection ESTOP indicates if the unit has alarmed out because an Estop has been pressed FAILOVER1 indicatesiftheunit stemperatureprobehasfailed OIL PRESSURE indicates if the unit has alarmed out on oil ...

Page 29: ...c material from the insulation using a vacuum device with a HEPA filter 99 97 efficient at 0 3 micron particles Be careful not to tear the insulation during the cleaning procedure 4 Apply the microbial cleaning agent as prescribed by the application and usage instructions 5 Allow the unit to dry thoroughly 6 If necessary apply an anti microbial agent on the insulation per the instructions provided...

Page 30: ...hould be 8 F to 12 F 4 4 C to 6 7 C BRAZE PLATE CLEANING INSTRUCTIONS In some applications the heat exchanger may be subjected to severe fluid conditions including high temperature hard water conditions causing accelerated scaling and corrosion rates and will diminish performance It is important to establish regular cleaning schedules A 5 solution of Phosphoric Acid or Oxalic Acid may be considere...

Page 31: ... d Shut off valves are partially closed Thermostat setting should not exceed 160 F Keep heat pump off until room temperature is back in operating range Low water ﬂow corrections Replace unit pump Reduce piping or add booster pump Clean heat exchanger with a mild acid wash Open all shut off valves Heat Pump is not running Low Pressure Fault 1 Room temperature below 40 F 2 Blower not operating at na...

Page 32: ...NK ISOLATION VALVE CIRCULATING PUMP TEMPERATURE GAUGE WYE STRAINER TEMP PRESS RELIEF VALVE FLUSH VALVE PIPING WIRING ONLY USE BOTTOM LOWER CONNECTION IF TANK HAS TWO THERMOWELL HP WATER HEATER THERMAL STORAGE MIXED WATER SUPPLY TO BUILDING BUILDING RECIRC COLD WATER SUPPLY ...

Page 33: ...ATION VALVE CIRCULATING PUMP TEMPERATURE GAUGE WYE STRAINER TEMP PRESS RELIEF VALVE FLUSH VALVE PIPING WIRING ONLY USE BOTTOM LOWER CONNECTION IF TANK HAS TWO HP WATER HEATER THERMOWELL THERMAL STORAGE THERMAL STORAGE MIXED WATER SUPPLY TO BUILDING COLD WATER SUPPLY BUILDING RECIRC ...

Page 34: ... GAUGE WYE STRAINER TEMP PRESS RELIEF VALVE FLUSH VALVE PIPING WIRING ONLY USE BOTTOM LOWER CONNECTION IF TANK HAS TWO THERMOWELL HP WATER HEATER HP WATER HEATER MASTER CONTROL PANEL RECOMMENDED FOR MULTI HEATER CONFIGURATIONS THERMAL STORAGE THERMAL STORAGE BUILDING RECIRC MIXED WATER SUPPLY TO BUILDING COLD WATER SUPPLY ...

Page 35: ...CHECK VALVE EXPANSION TANK ISOLATION VALVE CIRCULATING PUMP TEMPERATURE GAUGE WYE STRAINER TEMP PRESS RELIEF VALVE FLUSH VALVE PIPING WIRING HP WATER HEATER THERMOWELL THERMAL STORAGE COLD WATER SUPPLY BUILDING RECIRC MIXED WATER SUPPLY TO BUILDING ...

Page 36: ...ATER SINGLE HEATER MIXING VALVE CHECK VALVE EXPANSION TANK ISOLATION VALVE CIRCULATING PUMP TEMPERATURE GAUGE WYE STRAINER TEMP PRESS RELIEF VALVE FLUSH VALVE PIPING WIRING SOURCE WATER SUPPLY SOURCE WATER RETURN ...

Page 37: ...UAL HEATER REVERSE RETURN MIXING VALVE CHECK VALVE EXPANSION TANK ISOLATION VALVE CIRCULATING PUMP TEMPERATURE GAUGE WYE STRAINER TEMP PRESS RELIEF VALVE FLUSH VALVE PIPING WIRING SOURCE WATER SUPPLY SOURCE WATER RETURN ...

Page 38: ...a non corrosive and not contaminated atmosphere 4 in its original installation location and under original ownership 5 in the United States its territories or possessions Canada South America Caribbean and Mexico 6 sized in accordance with proper sizing techniques for commercial heat pump water heaters 7 bearing the original rating label which has not been altered defaced or removed except as requ...

Page 39: ...EATER OR THE INSTALLATION OPERATION REPAIR OR REPLACEMENT OF THE HEATER THE WARRANTER SHALL NOT BE RESPONSIBLE FOR WATER DAMAGE LOSS OF USE OF THE UNIT INCONVENIENCE LOSS OR DAMAGE TO PERSONAL PROPERTY OR OTHER CONSEQUENTIAL DAMAGE THE WARRANTER SHALL NOT BE LIABLE BY VIRTUE OF THIS WARRANTY OR OTHERWISE FOR DAMAGE TO ANY PERSONS OR PROPERTY WHETHER DIRECT OR INDIRECT AND WHETHER ARISING IN CONTRA...

Page 40: ...36 Service Log Issue Description Date Servicer ...

Page 41: ...Service Log Issue Description Date Servicer 37 ...

Page 42: ...Notes 38 ...

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