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HOT WATER HEAT PUMPS Econergy EC L Series, Installation Manual, Page: 24 / 28

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HOT WATER HEAT PUMPS Econergy EC L Series Installation Manual Download Page 24

Econergy Installation Manual Rev G 240914 

© Hot Water Heat Pumps Ltd 2018

12/03/2018 

www.econergy.co.nz

24

Heat Pump Water Heater Installation Guide

Field Wiring Diagram

Hot W

ater Backup and 

Status Indicator  HPHWB

Ttu - Upper 

Tank 

Temperature

Hot W

ater 

Cylinder

Ttl - Lower 

Tank 

Temperature

Backup Element

RJ45

Data 

Cable

Ttu J5

Ttl J4

240VAC Uncontrolled

240VAC Controlled

To HWC

To HP Unit

Phase

Neutral

Earth

Neutral

Phase

Earth

Heat Pump - Electronics 

Enclosure

Heat Pump Isolator

IP56 rating

TPS 

Twin Core + Earth min. 2.5mm

² 

Low V

oltage Cable

CA

T-5 min .24A

WG

Do not splice 

Tank Sensor Cable

Use only Econergy Part

HP-TSC

Main  Isolator

ENP

Ttu 

& Ttl 

sensor plug

Summary of Contents for Econergy EC L Series

Page 1: ...Heat Pump Water Heater Installation Guide FOR QUALIFIED PERSONNEL ONLY...

Page 2: ......

Page 3: ...8 Installation 10 Installation Procedure 13 Piping Diagram 14 Commissioning 19 Troubleshooting 20 Important Information 22 Wiring Diagram 23 Hot Water Cylinder Specifications 24 Heat Pump Specificati...

Page 4: ...ce where the unit is going to be located For installation to existing homes the unit should be installed with a maximum insulated pipe run of 9 metres For new homes the layout should be designed so th...

Page 5: ...s close as possible to the HWC to ensure best efficiency This is because each leg of supply return piped water loses its heat during the off cycle despite being insulated The cylinder should be locate...

Page 6: ...if this was specified or required by the customer then the piping design as per wetback must be designed to avoid thermosyphoning of high temperature water through the unit while not running Hot Wate...

Page 7: ...rranty Use of Econergy heat pump ready cylinders avoids any potential warranty issues resulting from modification to fit sensor pockets B Retrofit Retrofit can be made to any electric hot water cylind...

Page 8: ...cation Picture Outdoor Mounting Kit For mounting outdoors under houses on flat surfaces HPOMK Ceiling Mounting Kit For mounting in ventilated accessible ceiling cavities HPCMK Roof Mounting Kit For mo...

Page 9: ...ot water cylinders HPGRK Coopers Solar Ready Retrofit Kit For retrofit to Coopers Solar Ready Hot Water Cylinders HPCRK Dux Rinnai Retrofit Kit For retrofit to Dux Proflow and Rinnai Hotflow Hot Water...

Page 10: ...PEX Fusiotherm Copper AS NZS compliant 2 Pipe Line Fittings Dux Secura REHAU Fusiotherm Kembla PEX or AS NZS Standard DR brass fittings 3 Flexible Hoses NOT ALLOWED 4 Ball Valves Use only full flow 1...

Page 11: ...inth height 100 min distance from wall min distance from wall min distance from wall installed unit height 610 min distance from wall hot water cupboard 650 600 400 400 min distance from wall 200 200...

Page 12: ...Roof Cavity Support beams Seismic restraint wires Drain Ensure ceiling is ventilated At least 600mm clearance Support beams Seismic restraint wires Drain Ensure ceiling is ventilated At least 600mm c...

Page 13: ...rranty 1 Ceiling access must be large enough to allow the heat pump to fit through it easily 2 A walkway must be installed from the access point to the heat pump 3 The heat pump must be located on a p...

Page 14: ...h kit Screw 2x 50x50 AL angles supplied into side of unit Place angles across mounting rails of roof mounting kit Using M10 SS bolts supplied bolt down through anti vibration mounts into spring nuts i...

Page 15: ...n good condition 2 Fitting of Tank Sensor kit HPTSK may void HWC s manufacturer warranty 3 Ensure minimum pressure of 50kPa met on low pressure installations may require fitting of relief valve to ope...

Page 16: ...line to heat pump to solar connection 2 Ensure minimum pressure of 50kPa met on low pressure installations may require fitting of relief valve to open vent HWC Piping Diagram Coopers Heat Pump Ready...

Page 17: ...t cover Mixing Valve 20mm Outlet Hot Water Backup Module Cold Water Expansion Valve 15mm 20mm 20mm Pressure Reducing Valve 20mm 20mm Ball Valve Ball Valve Stop Valve Check Valve Mains Supply Regulated...

Page 18: ...trunking to the hot water cylinder location 5 Tank Sensor Mounting a Econergy Hot Water Cylinder This comes with dual sensors upper and lower Insert the lower tank sensor into the pocket about 1 3 of...

Page 19: ...isconnection must be incorporated in the fixed wiring A Certificate of Compliance must be issued by the installer 7 Condensate drain Condensate drains must be run in the following cases a Where the un...

Page 20: ...Fill system with water and leak test all connections at system pressure Check all electrical connections and ensure that water heater is securely grounded to the building s earthing point Ensure both...

Page 21: ...50 C Tidy up installation If there is time then check that the whole tank has heated successfully otherwise check back later and use the Econergy Config software to download the events log to ensure t...

Page 22: ...inputs on PCB or damaged CAT 5 cable Remove HWB panel and cover on main electrical box Check that all sensors are plugged into their correct locations and the CAT 5 cable is securely plugged in and un...

Page 23: ...essible to the general public The appliance is not intended for use by young children or infirm persons without supervision Young children shall be supervised to ensure they do not play with the appli...

Page 24: ...k Temperature Hot Water Cylinder Ttl Lower Tank Temperature Backup Element RJ45 Data Cable Ttu J5 Ttl J4 240VACUncontrolled 240VACControlled To HWC To HP Unit Phase Neutral Earth Neutral Phase Earth H...

Page 25: ...Water Heater Installation Guide Hot from heat pump 45 45 470 Outlet TPR valve Temperature sensor top Top element Temperature sensor bottom Solar return or probe port Cold to heat pump E 470 User adj t...

Page 26: ...470mm from Cylinder Jacket Top Temperature Sensor 43 L 60 L 60 L Storage capacity at 470mm from Cylinder Jacket Bottom Temperature Sensor 44 L 59 L 59 L Weight Empty 37 5 kg 51 5 kg 61 kg Inlet Outle...

Page 27: ...R 134a Refrigerant quantity 590 gm Ambient Air Temperature 5 to 40 C Performance Specifications HP4000LT Heat output 3600 W Rated input 1000 W Recovery rate 67 L hr Efficiency COP 3 8 W W Water Conne...

Page 28: ...0800 33 66 33 www waterheating co nz Phone 09 838 9444 Email info waterheating co nz 3 Corban Ave Henderson Auckland 0612 PO Box 21 586 Henderson Auckland 0650...

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