Lochinvar HS 50 Series 100, User'S Information Manual

Page 1: ...Certified UL 1995 2015 CSA C22 2 NO 236 2015 User s Information Manual Series 100 Models WHP025 WHP060 WHP090 WHP125 WHP185 WHP250 Water Source Commercial Heat Pump Water Heating Systems ...

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Page 3: ...LVE 12 TANK SELECTION 12 SOLAR TANKS 12 STORAGE HANDLING 12 STORAGE RECOMMENDATIONS 13 TABLE OF CONTENTS INSTALLATION 13 REQUIRED ABILITY 13 GENERAL 13 REQUIRED TOOLS MATERIALS 13 INSTALLATION START UP TOOLS 13 SERVICE TOOLS 14 UNIT PLACEMENT 14 MOUNTING FRAME 14 PAD MOUNTING 14 ELECTRICAL CONNECTIONS 14 CORRECT VOLTAGE AND PHASE 14 BRANCH CIRCUIT DISCONNECT SWITCH 14 TRANSFORMER CONFIGURATION 15 ...

Page 4: ...SCREEN DISPLAYING ALARM STATUS 25 SINGLE UNIT ALARM SCREEN 25 SINGLE UNIT PIPE CONFIGURATION SCREEN 25 SINGLE UNIT TANK CONFIGURATION SCREEN 25 SINGLE UNIT IP ADDRESS CONFIGURATION 25 SINGLE UNIT HEAT BANK SCREEN 25 MEMBER SCREEN TERMINOLOGY 25 HOME SCREEN 25 ALARM SCREEN 26 CONFIGURATION SCREEN 26 STOP SCREEN 26 IP CONFIGURATION 26 MAINTENANCE AND SERVICE 26 ROUTINE MAINTENANCE 26 CLEANING INTERN...

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: ...ncy 1 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 ...

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: ...omer 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 refri...

Page 9: ... Component Refrigeration Circuit Compressor Condenser Heat Exchanger Receiver Thermostatic Expansion Valve TXV Evaporator Heat Exchanger Accumulator Refrigerant State Gas Gas to Liquid Liquid Liquid Liquid to Gas Gas Liquid Component Heated Water Circuit Heated Water Inlet Condenser Heat Exchanger Heated Water Outlet Figure 1 FEATURES COMPONENTS PRODUCT ILLUSTRATION Component Source Water Circuit ...

Page 10: ...6 WATER TO WATER CYCLE ...

Page 11: ...ate GPM Performance Dimensions Weight Water Heating Capacity Cooling Capacity Inlet Outlet Water FPT Length A Width B Height C Dry Weight LBS Operating Weight LBS BTUH BTUH WHP025 4 5 4 28 600 22 275 38 26 28 225 245 WHP060 9 6 13 57 423 43 025 1 38 26 28 275 315 WHP090 15 20 111 175 85 225 1 38 26 28 350 400 WHP125 20 25 146 792 110 775 1 48 33 38 450 525 WHP185 30 40 222 950 171 750 2 48 33 38 5...

Page 12: ...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 13: ...lectrical 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 WHP025 208 230 1 60 73 17 4 22 25 208 230 3 60 63 10 4 13 15 440 480 3 60 31 5 9 7 10 575 3 60 31 5 2 7 10 WHP060 208 230 1 60 129 30 1 38 40...

Page 14: ...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 15: ...autions must be taken 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 ...

Page 16: ...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 17: ...cal 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 REQUIRED ABILITY Installation and service of the HPWH unit requires ability equivalent to that of a q...

Page 18: ...te hangers Structural channels in a field provided frame should be mounted perpendicular to the unit s footing channels The following critical points must be observed when the HPWH unit is suspended from the ceiling 1 Hanging rods must not obstruct access doors 2 VIBRATIONISOLATORSAREREQUIREDtopreventtransmission of mechanical vibration into the building structure Selection of suitable isolators s...

Page 19: ...ater on two tank preheat systems See Piping Diagram on page 30 9 A T P valve must be installed in the designated opening onthestoragetankperthetankmanufacturer srequirements See Temperature Pressure Relief Valve on page 12 10 For optimal performance minimize the equivalent length of water piping between the HPWH and storage tank 11 Building hot water recirculation loop should be connected to the i...

Page 20: ...llel to prevent hot water short circuiting 5 When the HPWH is connected to a storage tank ensure the storage tank is equipped with a properly rated and sized Temperature and Pressure T P relief valve Refer to the storage tank manufacturer s instructions forT P valve sizing and installation requirements Note This is a critical installation requirement that must not be overlooked Call the toll free ...

Page 21: ...ed temperature control opening in the mid lower portion of the storage tank Ensure the supplied Temperature Sensor is coated with a suitable heat transfer compound paste PRE STARTUP CHECKLIST 1 Before applying power check all electrical connections Tighten if necessary 2 Verify electrical installation Power requirements and branch circuit disconnecting means match equipment nameplate specification...

Page 22: ...ls If not there is a good chance the system is air bound and the air needs to be removed before starting the compressor Turn power back on and the heat pump will start within 5 minutes if there is a call for heating Once the compressor starts make sure to record the amperage and that is doesn t exceed the amperage on the data sticker Measure the temp on the water in and water out lines After the u...

Page 23: ...t STARTING SOUND During the very brief start up a clicking sound is audible resulting from initial contacting of the spirals and is normal Nostartassistdevicesarerequiredforsingle phasecompressors even if a system uses non bleed expansion valves Due to the designoftheCopelandScroll theinternalcompressioncomponents always start unloaded even if system pressures are not balanced In addition since in...

Page 24: ... rate through the condenser by using the lower limit input WHY Every piping system is different therefore they have different head losses in the system In order for the Lochinvar heatpumptooperateefficientlyandmeetthesupplydemands effectively it is important to set the lower limit of the control valve to meet the minimum water flow rate requirements for the heat pump The optimal flow rate is 3 4 G...

Page 25: ...ng OFF parameter indicating that you have entered the menu OFF This parameter indicates your desired high temperature When this temp is reached the unit will enter a cool down mode until the On value is reached WARNING Never set above 160 F ON This parameter indicates your desired low temperature When this temperature is reached the unit will enter heating mode until it reaches the OFF value again...

Page 26: ... now in restricted mode Securely replace the cover before reconnecting power to the controller Lock out You can format your parameters to completely restrict all user adjustment of the control when in restricted mode To do this set the HtS value equal to the OFF value and the LtS equal to the On value This makes the OFF On range equal to the HtS LtS range and thereby unadjustable in restricted mod...

Page 27: ... Pump Time Delay indicates remaining time in pump countdown when the count down starts the pump turns on Indicator Box indicates if the unit has been called to run green means run red means on standby Heat Call indicates if the master is calling units to run to meet building demand green means run red means on standby TempAvg Tank Temperature Average indicates the average current tank temperature ...

Page 28: ... and then permanently attach them to their respective tanks 4 Connect all of the member units to the router in the junction box 5 Under the configuration screen press the SEARCH FOR UNITS button to find all of the connected members give the master controls 2 minutes to find all of the member units MASTER CONTROL UNIT CALL SEQUENCE OF OPERATIONS 1 Set the Tank Diff Set value to 1 F and the System T...

Page 29: ...noid Valve indicates the position of the LLSV open or closed Comp Compressor indicates the status of the compressor on or off Blower Blower Overload Status indicates if the blower motor starter is tripped on an Air to Water HPWH TempSet Tank Temperature Setpoint indicates the desired tank temperature to be maintained CondFlow Condenser Flow indicates if there is water flowing through the condenser...

Page 30: ...urs of the compressor Purge button this button will run the pump relay for 2 minutes to allow you to purge the system without turning on the units Tank Pipe Unit call probe location probe is recommended inside of tank whenever possible STOP SCREEN The stop screen will pop up as a confirmation whenever the STOP button on any screen is pressed IP CONFIGURATION New Lochinvar units can be configured f...

Page 31: ...first to eliminate other potential problems before checking the refrigerant charge CHECK WATER TEMPERATURE RISE Always check water temperature rise through the HPWH unit s internal heat exchanger before checking the refrigerant charge See Start Up on page 19 for information on how to measure the water temperature rise If the measured water temperature rise during start up was within 8 F to 12 F 4 ...

Page 32: ...28 TABLE 10 FIGURE 12 ...

Page 33: ... 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 34: ...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 35: ...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 36: ... 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 37: ...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 38: ...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 39: ...L 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 40: ...n a modified form will void this warranty Lochinvar Water Heating Systems the warrantor extends the following LIMITED WARRANTY to the original owner of this commercial heat pump water heater subject to the terms conditions and disclaimers stated below CLAIM PROCEDURE Any claim under this warranty should be initiated with the dealer who sold the heater or with any other dealer handling the warranto...

Page 41: ...37 Technical Support 1 833 447 3201 ...

Page 42: ...38 Service Log Issue Description Date Servicer ...

Page 43: ...39 Service Log Issue Description Date Servicer ...

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