AUX EL Series Instructions d'exploitation

09/11/2014 NI401 Single Stage Packaged Geothermal Heat Pump Installation & Operating Instructions Model: (RA-VE*) Application  Forced air

09/11/2014 8 NI401 Figure 3 P/T Adapter Mechanical Installation Source Water WARNING LOOP DESIGN IS EXTREMELY IMPORTANT FOR PROPER HEAT PU

09/11/2014 9 NI401 Figure 4 – Pressurized Closed Loop with Flow Center – Typical piping arrangement. Figure 5 – Non-Pressurized Closed Loop wit

09/11/2014 10 NI401 To Earth Loop From Earth Loop From Flush Cart To Flush Cart Step 3 From Heat Pump To Heat Pump Step 5 To Flush Cart From Flus

09/11/2014 11 NI401 versus the pressure drop table (Table#3) and determine the actual flow rate. If the flow rate is low, recheck the selection of

09/11/2014 12 NI401 Open Loop Well to Well – An open system gets its name from the open discharge of water after it has been used by the heat pump.

09/11/2014 13 NI401 Figure 6: Open Loop Well to Well – Typical piping diagram. Open Loop Freeze Protection Switch – Heat pump installations on op

09/11/2014 14 NI401 Converting to Right Hand Return One of the unique features of your NorthStar Series Heat Pump is the ability to quickly and eas

09/11/2014 15 NI401 Built-in Electric Strip Heat (AUX EL) Electric Resistance Heat (optional) –NHP NorthStar Series heat pumps may be ordered with

09/11/2014 16 NI401 Desuperheater, Domestic Hot Water General NHP NorthStar Series units are equipped with a desuperheater and an integr

09/11/2014 17 NI401 Figure 7 – Desuperheater Piping, Buffer Tank This arrangement is the most effective and efficient and the recommende

09/11/2014 NI401 Table of Contents Introduction 1 Product Configurator (NC028) 2 Mechanical Specifications 3 Electrical Data 4 Product Dimens

09/11/2014 18 NI401 Preventive Maintenance Air Filter Maintenance – The air filter in your Northern Heat Pump is designed for optimum performance

09/11/2014 19 NI401 Condensate Drain In the cooling season, condensation is collected in a

09/11/2014 20 NI401 Electrical Hookup WARNING DISCONNECT ALL ELECTRICAL POWER BEFORE ELECTRICALLY CONNECTING OR SERVICING THE UNIT. FAIL

09/11/2014 21 NI401 EZGEO Controller EZGEO Features Review attached HC112 HELPS document which lists the various characteristics and capa

09/11/2014 22 NI401 Utility Load Control Bottom 2-screw terminal block marked blue and blu/wht. Remove the jumper and extend the two wires to the ut

09/11/2014 23 NI401 Visual example only – the exact connections will depend upon operating mode. Review previous section – EZGEO Co

09/11/2014 24 NI401 Temperature Sensors WARNING BOTH MUST BE INSTALLED ON ALL MODELS. Duct Sensor (ST) – install in the Geo supply ai

09/11/2014 25 NI401 Additional Hookup or Special System Equipment Concerns Additional Room Thermostat Connection Points On the EZGEO board, upp

09/11/2014 26 NI401 Field Setup Overview Your EZGEO-equipped Northern Heat Pump can be set up at your location to fit most any requirements and

09/11/2014 27 NI401 Switchover Temperature (SW OVER) This switch is shipped from the factory with a square “GAS” label. This label should be removed

09/11/2014 1 NI401 Introduction When used and controlled properly, geothermal heat pumps can save hundreds of dollars in heating and cooling costs

09/11/2014 28 NI401 Gas Furnace CFM See previous page on gas furnace hookup for proper programming of ECM motor for the required CFM output. Outdoo

09/11/2014 29 NI401 Undersized geothermal heat pump with fossil fuel furnace. • Mode Dial: C • SW Over Dial: 1=-15°F/ 2=-10°F/ 3=0°F/ 4=5°F/ 5=10°

09/11/2014 30 NI401 Override Switch – the front panel slide switch (very similar to standard Electro-Mate DFC) is a direct hardware

09/11/2014 31 NI401 Power On, Startup Before applying power to the heat pump, check the following items: 1. Water supply plumbing to the heat pu

09/11/2014 32 NI401 Operational Tips ICM Board – The ICM board performs the functions controlling the compressor operation: system lo

09/11/2014 33 NI401 Unit Operating Conditions – Heat ModelSource TempSource temp ΔGPM Air temp Δ Amps 240Blower AMPSCFMDischarge pressure at 68 deg

09/11/2014 34 NI401 Unit Operating Conditions – Cool ModelSource TempSource temp ∆GPMAir temp Δ Dry bulbAmps 240Blower AMPSNominal CFMDischarge pre

09/11/2014 35 NI401 Troubleshooting – EZGEO Control Sensor Temperature Calibration – both remote sensors are digital electronic and fact

09/11/2014 36 NI401 Troubleshooting/Repair Helps 1. This EZGEO controller contains several interference suppression components, but as a

09/11/2014 37 NI401 EZGEO Bypass Behind the front panel hinged door the various wires from the EZGEO board terminate on a Geo stand

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09/11/2014 38 NI401 Compressor bypass – initial installation or special requirement to heat with AUX EL only. Special configuration, mode B and SW

09/11/2014 39 NI401 Accessories/Options Part Number NHP GEO Alarm R-AL-FD-1 Fuse – source loop pump, 10A UFUSE1799 Fuse – desuperheater pump, 3

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09/11/2014 3 NI401 Mechanical Specifications – R410A Single Stage Compressor MODEL RA-VE-041 (3 ton) RA-VE-053 (4 ton) RA-VE-061 (5 ton) Coax &

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09/11/2014 4 NI401 Electrical Data – Single Phase Model Voltage Compressor Blower Desup. Pump Loop Pump (Ext) Total Min. Max. Fuse/ HACR (60 Hz) RL

09/11/2014 5 NI401 Product Dimensions

09/11/2014 6 NI401 Installation Requirements 1. All installation work must be performed by trained, qualified contractors or technician

09/11/2014 7 NI401 Figure 1 Horizontal Closed Loop Mechanical Installation Overview This NorthStar Series unit cannot correct airflow problems inhe