Summary of Contents for Econergy THD3500
- Page 1 THD3500 HEAT PUMP WATER HEATER INSTALLATION GUIDE FOR QUALIFIED PERSONNEL ONLY 14072022...
- Page 2 NOTE TO INSTALLERS: Installation must be completed by qualified and licensed Tradesmen to National Codes and in strict accordance with this manual. WARNING: A pre– made CAT –5/6 cable is required for installation of Econergy heat pumps...
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Page 3: Table Of Contents
Piping Diagrams ________________________________________ 16 Retrofit to Generic Single Inlet Hot Water Cylinder ________ 16 Retrofit to Coopers Ready Mains PressureWater Cylinder _ 17 Connection to Econergy HP Ready Hot Water Cylinder ____ 18 Piping Instructions ______________________________________ 19 Commissioning _________________________________________ 21... -
Page 4: Location Of The Water Heater Unit
LOCATION OF THE WATER HEATER UNIT Econergy® water heater units are designed to be installed outside, in the ceiling cavity (if one exists), under the house or in a garage, adjacent to the hot water cylinder (HWC). The Econergy® water heater should not be located within living areas as the unit produces cold air. -
Page 5: Installation Design
Distance from Hot Water Cylinder The Econergy® water heater should be mounted as 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 located within 9 metres of the Econergy®... -
Page 6: Solar Water Heating Systems
RING MAIN MANAGEMENT (OPTIONAL) A ring main should not be used on an Econergy cylinder setup without management unless it is operated from a separate cylinder. Ring main management is a software update that can be installed during production. -
Page 7: Hot Water Cylinders
300L for a family of 4. The water heater unit can be retrofitted to any electric cylinder as long as it has PU or EPS insulation. Econergy® water heaters cannot be installed into gas HWC’s as they are generally inefficient and there is no electrical backup . -
Page 8: New Construction
20 mm inlet fittings, dedicated 20 mm return fittings and dual sensors integrated into the tank. They are guaranteed from the factory with a 10-year warranty. Use of Econergy® heat pump ready cylinders avoids any potential warranty issues resulting from modification to fit sensor pockets. -
Page 9: Ordering Econergy Accessories
ORDERING ECONERGY ACCESSORIES Part No. Application Picture Tank Pocket - For retrofit to Rheem Tank Pocket Stainless Solar HPTP Ready HWC For outdoor Condensate Fitting installations requiring PF0128-B a condensate drain Generic Retrofit Kit For retrofit to existing HPGRK hot water cylinders... - Page 10 This page is intentionally left blank...
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Page 11: Installation
DR brass fittings Flexible Hoses NOT ALLOWED Use only full flow 15mm tee handle Ball Valves valves. Bugatti, PWL, Econergy Min 13mm wall Armaflex or Pipe Insulation approved equivalent. All piping to be fully lagged along its length Max Pipe Distance... - Page 12 Installation Component Approved Specification Electrical Installation CAT5 UTP, 24AWG and rated to 1 Low Voltage Cable amp max 2.5 TPS, 2 x 2.5mm2 + E, Main Cable compliant to AS/NZS5000.2 To suit electric back element rating. Max permissible 20A...
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Page 13: Typical Installation Detail
TYPICAL INSTALLATION DETAIL Installation shall be made to and compliant with, the attached drawings. Figure 1: Typical Installation Detail—Indoor HWC/ Outdoor Unit Figure 2: Typical Installation Detail—Outdoor HWC and Unit... -
Page 14: Installation Procedures
INSTALLATION PROCEDURES Adequate access and space for service must be allowed for all types of installation Mounting System A) Outdoor Mounting. Lay the unit on its side using the cardboard packing as protection. Drill holes for mounting bolts and rubber pads. Place heat pump on rubber pads with holes aligned and bolt to the ground. -
Page 15: Pre-Wiring & Pre-Plumbing For Renovations & New Builds
Run 1x Mains cable and 1x CAT-5 UTP cable allowing an extra 2m free play at either end. Run 2x 15mm pipes, fully insulated along their length. A pre-made CAT- 5/6 cable is required for installation of Econergy heat pumps... -
Page 16: Piping Diagrams
PIPING DIAGRAMS Figure 3: Retrofit to Generic Single Inlet Hot Water Cylinder (eg Rheem NZ) Econergy Accessories Required Part Number Description Purpose Generic Retrofit Kit Allows retrofit to any HPGRK (comprises tank fitting standard hot water and tank sensor kit). -
Page 17: Retrofit To Coopers Ready Mains Pressurewater Cylinder
Figure 4: Retrofit to Coopers Ready Mains Pressure Hot Water Cylinder Econergy Accessories Required Part Number Description Purpose Comprises HPTF Coopers (Solar Ready) HPCRK Tank Fitting and Retrofit Kit HPTP Tank Pocket DO NOT connect return line to heat pump to solar connection! -
Page 18: Connection To Econergy Hp Ready Hot Water Cylinder
Figure 5: Connection to Econergy® Heat Pump Ready Hot Water Cylinder No Econergy Accessories Required TPR valve is provided in element cover. -
Page 19: Piping Instructions
3. Tank Sensor Mounting Econergy Hot Water Cylinder. This comes with dual sensors, upper and lower. Insert the lower tank sensor into the pocket about 1/3 of the way up the HWC and secure with adhesive or silicone sealant. Take both sensors and... - Page 20 Use PF0128-B accessory. Mount the fitting into the punched hole at the bottom left rear of the water heater unit. Run hosepipe to the nearest drain location. Only Econergy® factory sensor cables provided with the unit shall be installed. Use of substitute sensor cables or splicing cables may...
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Page 21: Commissioning
Loosen fitting on inlet water heater to heat pump until water flows from fitting. Close fitting. • Connect laptop to RS232 extension cable on machine and open Econergy® Config Software (if installer has a copy of the software). • Switch on Main Isolator and Heat Pump Isolator. - Page 22 The unit will preheat the water to 60°C which takes 3-5 minutes, then the hot water outlet connection will be hot to the touch. • (If available). Check that the unit has reached 60°C on the Econergy® installation software and the flow has stabilized. •...
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Page 23: Troubleshooting
TROUBLESHOOTING If the Econergy® water heating system is not working correctly as per the commissioning instructions above, please refer to the following troubleshooting information. Symptom Possible Cause Things to Check Check valves in supply and a) Isolation valves are return lines from water... - Page 24 Symptom Possible Cause Things to Check Remove cap from top of a) temperature valve set tempering valve and screw incorrectly or in to increase water malfunctioning temperature. Water temperature too b) partial loss of refrigerant Call 0800 32 66 37 for or other sealed system service support.
- Page 25 Symptom Possible Cause Things to Check Ensure tank sensor is Unit faults after heating a) Likely tank sensor securely mounted in place. entire tank mounting issue Rectify if required and retest. Water is dripping from a) This is normal as the rear of unit (behind unit will remove moisture in No action required.
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Page 26: Important Information
IMPORTANT INFORMATION • This product has a classification of 6.101 for appliances not accessible 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 appliance. -
Page 27: Field Wiring Diagram
FIELD WIRING DIAGRAM... -
Page 28: Typical Heat Pump Ready Water Cylinder Product Specifications
TYPICAL HEAT PUMP READY WATER CYLINDER PRODUCT SPECIFICATIONS... - Page 29 TECHNICAL DATA TABLE DIRECT CYLINDERS - ECONERGY Model Number EC180L EC250L EC300L Total storage capacity 181 L 252 L 295.5 L Storage capacity above 85 L 136 L 160 L top element Storage capacity at 470mm from Cylinder 43 L...
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Page 30: Econergy Hp Series Water Heater Specifications
ECONERGY® HP SERIES WATER HEATER SPECIFICATIONS General THD3500 Height 590 mm Width Depth Weight 48 kg Noise rating @ 1.5m 52 dBA Circuit Breaker 16 amps Rated Current RLA 4.4 amps Refrigerant R-134a Refrigerant quantity 520 gm Ambient Air Temperature -5 to 40°C... -
Page 31: Company Information
COMPANY INFORMATION Hot Water Heat Pumps LTD. 0800 33 66 33 | 09 838 9444 info@waterheating.co.nz | www.waterheating.co.nz PO Box 21 586, Henderson, Auckland 0650...
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