NorAire EB-HPH Series Installation & Operating Instructions Manual Download Page 18 | Manualshive

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09/06/2018 16

BI903

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Summary of Contents for EB-HPH Series

Page 1: ... two pumps zone valves a single stage heat pump compressor an internal or external electric boiler an external gas boiler and special power company interface for load shedding applications Important Installer Information The NorAire Heat Pump system must be installed by an experienced HVAC installer Sufficient knowledge of refrigerant line set installation system charging and heating performance t...

Page 2: ...ions 14 Calculation Examples Superheat Subcool Temp Rise BC909 15 Pressure Temperature Conversion Chart for R 410A 16 Capacity Performance Chart BC907 17 Electrical Hookup 18 Electrical Data Indoor Unit 19 Electrical Data Outdoor Unit 19 Circuit Board Layout 20 Control Wiring Information 21 Understanding the Product Display 28 Configuration Setup 29 Understanding the NorAire Product Display 32 Sta...

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Page 4: ... via product display This timer signifies the amount of time the heat pump will run on its own Sequence II Continuing from the above sequence if the heat pump portion of the NorAire alone does not satisfy the original heat call as noted above the Boost In timer will expire causing the NorAire system to shift into Boost Mode This means the Electro Boiler will be enabled to operate with the heat pum...

Page 5: ...09 06 2018 3 BI903 Basic System Overview ...

Page 6: ...G BEFORE PERFORMING SERVICE OR MAINTENANCE OPERATIONS ON A SYSTEM TURN OFF MAIN POWER SWITCHES TO THE INDOOR UNIT IF APPLICABLE TURN OFF THE ACCESSORY HEATER POWER SWITCH ELECTRICAL SHOCK COULD CAUSE PERSONAL INJURY Installing and servicing electric heating equipment can be hazardous due high voltage and electrical components Only trained and qualified service personnel should install repair or se...

Page 7: ...09 06 2018 5 BI903 Product Configurator ...

Page 8: ...09 06 2018 6 BI903 Specification Table ...

Page 9: ...09 06 2018 7 BI903 Dimensional Drawing ...

Page 10: ...stries cannot be held responsible for field modifications incorrect installations and conditions which may bypass or compromise the built in safety features and controls CAUTION This unit shall not be operated either heating section or blower until the interior of the structure is completed and cleaned This also means all duct work must be complete with filter etc Manufacturer s warranty is void i...

Page 11: ...09 06 2018 9 BI903 Installation Overview ...

Page 12: ...sure relief valve per attached BX902 drawing 4 Install expansion tank air separator with air bleed and circulating pump in the outlet water piping as referenced in the mechanical installation overview section above 5 Fill system with water glycol when all boiler piping is complete 6 Install refrigeration line set piping that connects the outdoor unit to the indoor unit a Please refer to the outdoo...

Page 13: ...ON A 4 15 16 Released for Production B 5 17 16 Remove XNPL7783 C 6 14 17 Add relief valve note CRN PROPRIETARY AND CONFIDENTIAL NOTE THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF ELECTRO INDUSTRIES INC ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF ELECTRO INDUSTRIES INC IS PROHIBITED RELIEF KIT DESCRIPTION BX902 NUMBER STATUS 10 20 15 Production REV M...

Page 14: ... after installation 5 Ensure nitrogen flow is used with the line set connection brazing 6 Wet rag must be used during TXV brazing Purge and evacuation comments 1 Vacuum pump is connected to either ODU line set valve service port 2 Evacuate system to less than 500 microns Procedure for finishing TXV tube tee adapter to ODU low side service port 1 This process is similar to purging a gauge set hose ...

Page 15: ...rvice Port DETAIL X Capillary Bulb on Suction LIne Capillary bulb on expansion valve must be mounted securely to the larger diameter copper suction pipe at 4 or 8 o clock position between the compressor and the accumulator with the strap from the TXV kit See TXV instructions for additional bulb placement detail Bulb must be thoroughly insulated after installation DETAIL Y Orifice CRITICAL Must rem...

Page 16: ...erant pressures superheat subcooling and amps on the Capacity and Performance chart to help determine if your system is properly charged by comparing your numbers to the charts They should be relatively close 10 Observe the number of bubbles in your sight glass A properly charged system may still have some bubble showing If your sight glass is completely white with bubbles you may still need to ad...

Page 17: ...EB HPH 03 17 17 1 of 1 BC909 02 ...

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Page 19: ...0 4 5 22 3 14 6 3 34 35 32 2 18 4 418 86 4 3 28 4 16 2 2 42 36 0 9 0 374 88 4 8 22 5 14 9 2 95 36 0 7 2 366 83 5 3 21 1 14 8 2 97 25 32 0 18 3 411 73 6 29 1 16 0 2 44 28 8 7 2 366 70 5 9 21 9 14 8 2 38 29 0 5 8 365 73 4 2 20 5 14 7 2 41 15 25 5 14 6 397 61 5 1 27 15 7 1 98 25 6 6 4 360 59 4 9 20 1 14 6 2 14 24 0 4 8 359 59 6 3 18 2 14 6 2 00 10 21 5 12 3 381 55 4 9 24 0 15 3 1 72 22 4 5 6 360 54 4...

Page 20: ...n pages show model number amps kW service from appropriate size panel breaker based on NEC code Note NorAire unit includes a factory provided circuit breaker This qualifies as the local disconnect at the product or appliance Note Single feed bus kit is available for 15kW and 20kw models order part number 5701 ...

Page 21: ...8 240 1 phase 208 240 1 phase Element current Amps 37 42 55 63 73 84 kW Kilowatts 7 7 10 11 5 15 15 2 20 Heating capacity Btu h x 1000 26 3 34 1 39 1 51 2 51 8 68 2 Circuit breakers disconnect Size 2 pole 30A 2 pole 30A and 60A 2 pole 60A and 60A Square D single feed bus adapter available Electro part number 5701 Electrical Data Outdoor Unit See manufacturer s installation manual for details In re...

Page 22: ...09 06 2018 20 BI903 Circuit Board Layout ...

Page 23: ... and R W2 some thermostats require a common on the board Greater than two zones accomplished by connecting an isolated dry end switch external zone controller to the R W1 terminals on the board Buffer tank aqua stat accomplished by connecting an isolated dry end switch buffer tank aqua stat to the R W1 terminals on the board Buffer tank controller accomplished by connecting an isolated dry end swi...

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Page 25: ...equire an external power source to energize the pump s Note Variable Speed Pump this should not be required there is no internal control provision Zone Pump Override Input P1 Tab An external contact from R to P1 tab forces internal pump relay for zone pump 1 on This will override any internal software sequence P2 Tab An external contact from R to P2 tab forces internal pump relay on This will over...

Page 26: ...VDC Black is communication signal digital White is Common The outdoor sensor comes from the factory at 25 It is permissible to add an additional 25 of stranded cable Do not exceed a total of 50 for the outdoor sensor NOTE If a sensor is no longer functioning the front LCD Display will show sensor BAD System response to faulty sensor depends on which sensor is faulty and how the NorAire controller ...

Page 27: ... in an optional hookup If connected J3 will determine what the NorAire does with this defrost input J3 This jumper is used to enable or disable the Electro Boiler while the heat pump is in defrost With the jumper ON the Electro Boiler will go to full output whenever the heat pump is in defrost With the jumper OFF the Electro Boiler will not be used during defrost unless in BOOST mode at the time o...

Page 28: ...a dry contact and simply closes R and W to the external boiler This provides isolation for the various system transformers External Gas Boiler Connections If you are interfacing this NorAire IDU with an external fossil fuel boiler you will need to make a connection as shown below Note The terminal block labeled GAS BOILER is a dry contact and simply closes R and W to the external boiler This provi...

Page 29: ...ired it must be added in the field Connect as shown below NOTE J4 jumper must be removed Safety Flow Switch Option The standard IDU does not come with an interlocking flow switch The control board has a hookup provision for this kit The compressor has high pressure protection if there is no water flow but if there is no water flow during defrost and the ODU has an extended defrost time it is feasi...

Page 30: ... setup and configuration 4 LINE OLED DISPLAY LINE Description 1 Mode Displays the current mode 2 Temperatures Displays Supply Temperature ST and Outdoor Temperature OT 3 Temperatures Displays Return Temperature RT and Desired Temperature DT 4 MISC Data Displays active system faults as well as various system timers ...

Page 31: ...lows the heat pump portion and Electro Boiler portion of the NorAire system to work together to create a heating system which very intelligently balances efficiency and comfort for the user System Mode 2 Gas Boiler If this heating system includes and is interfaced with an external gas boiler the NorAire portion heat pump and Electro Boiler of the system can be bypassed and all heat calls will call...

Page 32: ...mode is used when the NORAIRE mode or the EL BOILER ONLY mode is selected Example this mode is active is when outdoor temperature is below LOCKOUT value and HEAT SOURCE BELOW LOCKOUT is set to EL BOILER SB BOILER ONLY Indicates the NorAire is calling on the external gas boiler to operate This mode is used when the NORAIRE mode or the GAS BOILER ONLY mode is selected Example this mode is active is ...

Page 33: ...down if in BOOST Electro Boiler will shut down also and a 10 minute ACD will start The heat pump and electric boiler if was in BOOST will be reactivated upon the expiration of this 10 minute ACD provided the high pressure switch has closed RT TOO HIGH This is a software monitor of the return water temperature sensor If the RT sensor is reading a value the RT TOO HIGH setting factory default 110 F ...

Page 34: ...uct Display The NorAire product display allows you to customize this product to meet specific requirements of the building NOTE It is best to make changes while the NorAire is NOT actively operating Satisfy all thermostats before reconfiguring the unit ...

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Page 44: ...has a 5 minute anti cycle delay ACD timer built in to protect the compressor from short cycling The display shows time remaining 8 Verify your circulating pump is running and you have flow 9 Once the outdoor unit starts let it run and stabilize for 15 minutes before taking and data measures to perform your calculating verifying correct charge and performance 10 Refer to the Refrigerant Charging In...

Page 45: ... Override Electric Element Staging E Tab Input during an active turn on cycle spade terminal labeled E can be jumpered to R 24VAC HOT to bring on all four electric element stages and bypasses any temperature sensing or stage modulation functions Operational Indicators ...

Page 46: ...09 06 2018 44 BI903 Troubleshooting General Operation ...

Page 47: ...ectro Industries App does have a Fault Monitor section where you can see history of faults Unit is not outputting adequate water temperature Check the above comments first Note that when in Heat Pump Only operation see LCD line 1 MODE the outdoor temperature will determine the heat pump output capacity You may need to adjust the Boost In time along with Stage Disables to better align this NorAire ...

Page 48: ...w Switch Replacement Parts Part Number Description UFUSE0443 Controller Fuse Plug In 2A 6064 Sight Glass 5456A Temperature Pressure Gauge 320 75 psi 5652 Circuit Breaker 60A 5650 Circuit Breaker 30A 4038KIT SSR 50A 24VDC 6040 500 Hi Pressure Limit 500 psig 5541 40VA Transformer 5453 Water Pressure Relief EBMVS Boiler Vessel Assembly 5526 Boiler Element 5 kW 5535 Boiler Hi Limit Manual Reset 5537 B...

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Page 51: ...acement Labor Allowance Schedule for a period of ninety 90 days from the date of original purchase to the original owner at the original installation site The Repair Replacement Labor Allowance is designed to reduce the cost of repairs This Repair Replacement Labor Allowance may not cover the entire labor fee charged by your dealer contractor TWENTY YEAR 20 LIMITED WARRANTY ON BOILER ELEMENTS AND ...

Page 52: ...ubject to adjustment upon verification of defect 2 Any product or product part that has been damaged as a result of being improperly serviced or operated including but not limited to the following operated during construction phase with insufficient water or air flow allowed to freeze subjected to flood conditions subjected to improper voltages or power supplies operated with air flow or water con...

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