Enertech HP Models Installation And Operation Manual Download

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Revision B

20D811-01NN

20D811-01NN

Installation and Operations Manual

HP Models Water-to-Water Heat Pumps

Summary of Contents for HP Models

Page 1: ... Revision B 20D811 01NN 20D811 01NN Installation and Operations Manual HP Models Water to Water Heat Pumps ...

Page 2: ...k Wiring 13 Interior Piping 15 Typical Pressurized Flow Center Installation 15 Typical Single Unit Piping Connection Pressurized Flow Center 15 Typical Non Pressurized Flow Center Installation 16 APSMA Module Layout 17 APSMA Module Wiring Schematic 17 Section 6 Antifreeze Antifreeze Overview 18 Specific Gravity Chart 19 Antifreeze Charging 20 Section 7 Controls Features 21 Load Heat Exchanger Free...

Page 3: ...able WPD Table 29 Troubleshooting 30 31 Refrigeration Troubleshooting 32 Superheat Subcooling Conditions 32 HP Operating Parameter Table 33 Water to Water Unit Heating Mode 34 Section 11 Unit Electrical Data Unit Electrical Data 35 Section 12 Unit Electrical Data Electrical Connections Unit Electrical Data and Connections 36 Section 13 Warranty Forms and Revision Table Warranty Order Claim Form 37...

Page 4: ...ision B Current Revision Voltage 1 208 230V 60Hz 1Ph Residential Hot Water Configuration 0 None Standard SS Stock Standard Source HX Options C Copper Coax N CuproNickel Coax Load Coil Type V Standard Vented Double Wall U Unvented Single Wall Discharge Air Options A N A Return Air Options A N A B 1 0 A A V C SS 1 Brand 2 3 Type 4 5 6 Unit C apacity 7 Revision 8 Voltage 9 Hot W ater C onfiguration 1...

Page 5: ...red on the job site with either the original packaging or equivalent protective covering Cap or recap unit connections and all piping until unit is installed Precautions must be taken to avoid physical damage and contamination which may prevent proper start up and may result in costly equipment repair Storage All geothermal units should be stored inside in the original packaging in a clean dry loc...

Page 6: ...thermal heat pumps and system installations may include electrical refrigerant and or water connections Federal state and local codes and regulations apply to various aspects of the installation Improperly installed equipment can lead to equipment failure and health safety concerns For these reasons only qualified technicians should install a Enertech Global built geothermal system Because of the ...

Page 7: ...mit is recommended for vented heat exchangers domestic water generation Section 5 Unit Piping Installation provides piping diagrams and control wiring for both vented DHW generation and unvented radiant heating applications A key to smooth and safe operation is to stay within compressor operating envelope The graph translates refrigerant temperatures to water temperatures for easier implementation...

Page 8: ...d upon the lowest capacity stage Requirements for storage are less according to the manufacturer of the HSS series non pressurized buffer tank Using the same conditions for maximum heating and cooling capacity mentioned above non pressurized buffer tanks require 6 U S gallons per ton Unit Placement When installing a geothermal heating and cooling unit there are several items the installer should c...

Page 9: ...igh voltage 1 2 DIA for lowvoltage HP024 MODEL SOURCE Water D O LOADWater FPT Factory Charge Unit Weight Load Out Load In IN OUT IN OUT Vented 1 1 4 1 1 4 3 4 3 4 63 oz 248 lbs Unvented 1 1 4 1 1 4 1 1 52 oz 253 lbs Notes Electrical connections are 1 DIA for high voltage 1 2 DIA for lowvoltage HP024 MODEL SOURCE Water D O LOADWater FPT Factory Charge Unit Weight Unit Dimensional Data and Connectio...

Page 10: ... Spreading some of the pressure drop across the ball valves will lessen the velocity noise Always double check flow rate at the P T ports to make sure the ball valve adjustments have not lowered water flow too much and essentially taken the flow regulator out of the equation It s a good idea to remove the ball valve handles once the system is completed to avoid nuisance service calls Hose kits are...

Page 11: ... prior to making the decision to use an open loop system Scaling of the heat exchanger and corrosion of the internal parts are two of the potential problems The Department of Natural Resources or your local municipality can direct you to the proper testing agency Please see Water Quality Table below for guidelines Water Quality Table Section 5 Unit Piping Installation Potential Problem Chemical s ...

Page 12: ...preventer Pressurereliefvalve onwaterheater Othercomponentsasrequiredbylocalcode High Limit Bulb Typical Installation with Unvented Coaxial Heat Exchanger Radiant Heating Expansion Tank P R V 230V Insulated Pump Enertech part AGSIPV1A From Radiant Floor Zones Fill Drain Valve To Zone 1 To Zone 2 To Zone 3 Not shown add Pressure Relief Valve 30 psi or as required by code 115V Insulated Pump Enertec...

Page 13: ...heater to high limit and HP unit C at HP unit R at HP unit Y at HP unit Step 1 Adjust water heater thermostats to maximum temperature of 120 F to 125 F see compressor operating map on page 7 Step 4 Set aqua stat high limit to a maximum temperature of 130 F see compressor operating map on page 7 with a diﬀerential of 5 F Set Point Heating Mode OFF ON Diﬀerential ON Energized OFF De energized Use aq...

Page 14: ...H H N H N H N H N H N H N H N H N H N H S LAVE PRIORITY ON RES ET PRIMARY PUMP ON POST PURGE ON PRIORITY PROTECT ON PUMP EXERCISE ON 30 S EC 2 WK MASTER OFF OFF OFF OFF OFF NORMAL LOW LIMIT ZC ON OFF 4 MIN 24 HOUR TO ZR ON BOILER ZONE6 ZONE6 PRIORITY ACCES SORY PORT ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 ZONE 5 ZONE 6 LED INDICATORS THERMOSTATS 24 VAC r Tank less Coil Boiler Application Alternative W i...

Page 15: ...ical Pressurized Flow Center Installation Flow centers are insulated and contain all flushing and circulation connections for residential and light commercial earth loops that require a flow rate of no more than 20 gpm 1 1 4 fusion x 1 double O ring fittings AGA6PES are furnished with the double O ring flow centers for HDPE loop constructions Various fittings are available for the double O ring fl...

Page 16: ...external the loop system will still need to be flushed with a purge cart The non pressurized flow center needs to be isolated from the flush cart during flushing because the flow center is not designed to handle pressure Since this is a non pressurized system the interior piping can incorporate all the above mentioned pipe material options see interior piping including PVC The flow center can be m...

Page 17: ...Y1 C From Thermostat 24VAC connection to unit 1 Y1 C From Thermostat APSMA PUMP SHARING MODULE The pump sharing module part number APSMA is designed to allow two units to share one flow center With the APSMA module either unit can energize the pump s Connect the units and flow center as shown in the drawing below A schematic of the board is also shown The module must be mounted in a NEMA enclosure...

Page 18: ... Thermal Performance The heat transfer and viscosity effect of the brine Corrosiveness The brine must be compatible with the system materials Stability Will the brine require periodic change out or maintenance Convenience Is the antifreeze available and easy to transport and install Codes Will the brine meet local and state provincial codes The following are some general observations about the typ...

Page 19: ... or electrical sparks can ignite undiluted antifreezes and vapors Use only in a well ventilated area Do not smoke when handling flammable solutions Failure to observe safety precautions may result in fire injury or death Never work with 100 alcohol solutions Notes 1 Consult with your representative or distributor if you have any questions regarding antifreeze selection or use 2 Some antifreeze sup...

Page 20: ...y Volume Type of Antifreeze Minimum Temperature for Freeze Protection 10 F 12 2 C 15 F 9 4 C 20 F 6 7 C 25 F 3 9 C ProCool Ethanol 26 23 18 13 Methanol 21 17 13 5 Propylene Glycol 30 25 20 13 Heat Transfer Fluid HTF Mix according to manufacturer s directions on container label Antifreeze solutions are shown in pure form not premixed HTF is a premixed Methanol solution Concentrations below 25 30 co...

Page 21: ... for normal operation after testing The status LED will not be illuminated during the TEST mode Water Solenoid Valve Connections If equipped the accessory terminal strip provides a field connection for a valve with an end switch which is recommended see wiring diagram An accessory relay terminal A can be used for solenoid valves without an end switch This terminal is energized 10 seconds before th...

Page 22: ...the same sensor within 30 minutes the board will go into lockout mode and the Call For Service indicator on the thermostat will flash the number of pulses that correspond to the fault as shown in Fault Indication Table Intelligent Lockout Reset If the thermostat is powered off Y1 removed for one minute then back on soft reset the board will reset and the last fault will be stored in memory for eas...

Page 23: ...EN THE TEST JUMPER IS PULLED GREEN STATUS LED WILL BE OFF 5 NOT ALL MODELS HAVE THIS FEATURE 6 THIS FAULT INDICATES A BAD SENSOR OPEN SHORTED OR DISCONNECTED 7 THIS CAN ONLY BE CHECKED WHILE IN TEST MODE 8 HOT GAS LINE IS TOO HOT OPEN LOOP MODE 30 F SETTING FOR T4 CLOSED LOOP MODE 15 F SETTING FOR T4 LOCKOUT BOARD LED IDENTIFICATION L TERMINAL STATUS LOCKOUT BOARD JUMPERS INSTALLED REMOVED T1 T4 M...

Page 24: ...d not be removed without contacting technical services An over under voltage condition could cause premature component failure or damage to the unit controls Any condition causing this fault must be thoroughly investigated before taking any action regarding the jumper removal Sequence of Operation This description is based on the HP Water to Water Units Single Stage Compressor heating only Timings...

Page 25: ...25 HP IOM Rev B Enertech Global Section 8 Wiring Diagram Single Stage Single Phase 208 230V 60hz Residential ...

Page 26: ...Water Pressure Out Source Water Pressure Drop ºF ºF ºF ºF ºF ºF Heat of Rejection Extraction BTU HR BTU HR ºF ºF ºF ºF ºF ºF Cooling Heating ºF ºF ºF ºF ºF ºF Heating ºF ºF ºF Heating V A GA A Source Water Temp Difference Cooling Heating Source Water Temperature In Source Water Temperature Out Source Water Temperature Difference Cooling Heating Load Water Temp Difference Cooling Heating Heat of Ex...

Page 27: ...rical readings listed in the Unit Electrical Data table 5 Check the source water temperature in and out at the P T ports use insertion probe Allow 10 minutes of operation before recording temperature drop 6 Calculate the heat of extraction or heat of rejection Plumbing Pipe and pump sizes are correct Air is purged from all lines Antifreeze is installed All valves are open including those on the fl...

Page 28: ...0 9 17 0 14 6 28 4 24 5 21 4 17 6 15 3 28 8 24 9 21 9 18 1 15 8 4 5 29 8 25 6 22 5 18 4 16 0 30 3 26 2 23 1 19 1 16 6 30 7 26 6 23 5 19 6 17 2 6 0 31 2 26 9 23 6 19 5 17 0 31 7 27 5 24 2 20 2 17 7 32 1 27 9 24 7 20 7 18 2 3 0 36 0 31 4 27 9 23 5 20 7 36 6 32 0 28 6 24 2 21 5 37 0 32 5 29 1 24 8 22 1 4 5 38 4 33 6 30 0 25 3 22 5 39 0 34 2 30 6 26 0 23 2 39 4 34 8 31 2 26 7 23 8 6 0 40 1 35 2 31 5 2...

Page 29: ... 1 9 1 8 1 8 1 7 1 7 2 4 2 3 2 2 2 1 2 1 3 0 2 9 2 8 2 7 2 6 4 5 1 2 1 5 1 4 1 4 1 3 1 3 1 9 1 8 1 8 1 7 1 7 2 4 2 3 2 2 2 1 2 1 3 0 2 9 2 8 2 7 2 6 6 0 1 8 1 5 1 4 1 4 1 3 1 3 1 9 1 8 1 8 1 7 1 7 2 4 2 3 2 2 2 1 2 1 3 0 2 9 2 8 2 7 2 6 8 0 2 8 1 5 1 4 1 4 1 3 1 3 1 9 1 8 1 8 1 7 1 7 2 4 2 3 2 2 2 1 2 1 3 0 2 9 2 8 2 7 2 6 3 0 0 7 1 5 1 4 1 4 1 3 1 3 1 9 1 8 1 8 1 7 1 7 2 3 2 2 2 2 2 1 2 0 2 9 2 8...

Page 30: ...ressurized systems check water level in Pump Module If full of water check pump Close valve on the pump flanges and loosen pump Take off pump and see if there is an obstruction in the pump If pump is defective replace For pressurized systems check loop pressure Repressurize if necessary May require re flushing if there is air in the loop Solenoid valve Make sure solenoid valve is connected Check s...

Page 31: ...g capacitor contactor operation See Note A No Yes OK Single Phase 208 230 C Line Winding R Run Winding S Start Winding R efer to th e com pressor w on t start flow chart Is the com pressor run ning N o O K S hut the unit d ow n re verse the ph asing 3 Phase O nly D oes the un it h ave a refrigerant c harge M easure record the am p s volts suction discharge pressure Y es Y es If the com p ressor st...

Page 32: ...h Normal High Cool High High Normal Normal High Normal High High Low Air Flow Heat High High Normal Normal High Normal High Low High Cool Low Low Normal Low Normal High Low High Normal Low Source Water Flow Heat Low Low Normal Low Normal High Low High Normal Cool High High Normal Normal High Normal High Low High Low Load Water Flow Heat High High Normal Normal High Normal High Low High Cool Low Lo...

Page 33: ... 130 542 627 104 121 5 18 7 18 5 7 8 22 50 194 275 108 128 10 26 12 22 24 28 12 31 80 303 386 114 132 8 20 9 19 21 24 11 29 100 391 478 119 136 6 16 8 19 18 22 10 28 120 465 585 122 140 5 15 8 19 15 20 10 27 130 552 644 124 143 3 15 9 19 13 17 9 25 50 196 277 117 136 10 26 12 23 17 20 13 32 80 306 390 124 141 8 20 9 20 14 17 12 30 100 395 482 129 145 7 16 8 20 13 15 11 29 120 469 590 132 150 4 15 ...

Page 34: ...rial ____________________________________________ Antifreeze Type ____________________________________ HE or HR GPM x TD x Fluid Factor Use 500 for water 485 for antifreeze SH Suction Temp Suction Sat SC Disch Sat Liq Line Temp Section 10 Troubleshooting Water to Water Unit Heating Mode GPM Suction Line psig F Source loop OUT psi F Liquid Line Heating F GPM Discharge Line Saturation psig F Load OU...

Page 35: ... connection and sizing should be evaluated by the electric utility provider 20D237 25NN HP Rev B Electrical Data Volts Phase LRA RLA HP024 10 208 230 1 70 0 13 5 0 0 0 0 4 0 17 5 20 9 30 Ext Loop Pump FLA Total Unit FLA Min Circuit AMPS Notes 1 All line and low voltage wiring must adhere to the National Electrical Code and local codes whichever is the most stringent 2 In determining the correct su...

Page 36: ...36 Enertech Global HP IOM Rev B Section 12 Unit Electrical Data Electrical Connections Unit Electrical Data and Connections ...

Page 37: ...ADDRESS Form submitter Ifdifferent than company OTHER NOTES _______________________________________________________________________________ ____________________________________________________________________________________________ DO YOU NEED PARTS ORDERED Ifno andreplacementwaspurchasedfromanothervendor attachcopyofbill ifreimbursementisneeded3 Requiredifclaimisfordefectiveflowcenter FLOW CENTE...

Page 38: ..._______________________________________________ City _____________________________State Prov __________ Email ___________________________________________ Application Residential New Construction Residential Geo Replacement Residential Replacement of Electric Gas or Other Multi Family Condo Townhome Multiplex Commercial Other ___________________________________ Use check all that apply Space Condit...

Page 39: ... 23 Lockout Board diagram updated 21 19SEP2019 DHW Tank Wiring Diagram updated 13 Buffer Tank Connection Diagram updated 12 22AUG2019 Document part number revised from 20811 20NN to 20D811 01NN ALL 16AUG2019 Minor layout changes made Various 15AUG2019 Radiant Floor Wiring Diagram diagram added 13 Typical Installation with Preheat Tank updated 13 DHW Tank Wiring Diagram added 12 Typical Installatio...

Page 40: ...he most up to date information please visit our website or contact our Customer Service department at info enertechgeo com Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties but are merely Enertech Global s opinion or commendation of its products 20D811 01NN Enertech Global LLC 200127B MEMBER enertechusa com ...

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