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CFEWH SERIES 2 

 Three phase   |   INSTALLATION Manual © Mar 2022 |   MicroHeat Technologies Pty LTD  Page 

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MicroHeat Warranty

   

 

WARRANTY FOR MICROHEAT TECHNOLOGIES PTY LTD CONTINUOUS FLOW ELECTRIC HOT WATER HEATER (CFEWH) SERIES. 

For the 

MicroHeat Technologies Pty Ltd Continuous Flow Electric Water Heater SERIES (“CFEWH”), MicroHeat will repair or, if necessary

, at its sole 

discretion, replace the CFEWH, which falls within the Warranty Periods and Territory specified below, subject to the w

arranty conditions and the 

warranty exclusions. 
Warranty Period within Australia, New Zealand and Papua New Guinea is 3 years from the date of purchase by the consumer as de

fined by the 

Competition and Consumer Act 2010 (Cth). 
Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a 
major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have   the goods repaired or 
replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure. 
It is the responsibility of the consumer to provide proof of purchase within the Territory. 

WARRANTY CONDITIONS 

1.

 

This warranty is applicable only for CFEWH appliances. 

2.

 

The CFEWH must be installed in accordance with the MicroHeat CFEWH Installation Instructions, to be supplied with the CFEWH water 
heater, and in accordance with all relevant statutory and local requirements of the Country or State in which the CFEWH is installed. 

3.

 

Where a failed component or CFEWH is replaced under warranty, the balance of the original warranty period will remain effective. The 
replaced part or CFEWH does not carry a new warranty. 

4.

 

Where a failed component or CFEWH is replaced or repaired under warranty, MicroHeat will incur all associated costs. However, where the 

CFEWH is installed outside the boundaries of a metropolitan area to be defined by MicroHeat or further than 35 km from an Accr

edited 

Service Agent, the cost o

f transport, insurance and travelling costs between the nearest MicroHeat Accredited Service Agent’s premises and 

the installed site shall be the owner’s responsibility.

 

5.

 

Where the CFEWH is installed in a position that does not allow safe, ready access, the cost of accessing the site safely, including the cost of 

additional materials handling and/or safety equipment, shall be the owner’s responsibility.

 

6.

 

The warranty only applies to the CFEWH and therefore does not cover any plumbing or electrical parts supplied by others and not an integral 
part of the CFEWH, e.g. pressure limiting valve; tempering valves; isolation valves; shut off valves; electrical switches; electrical cabling; 
pumps or fuse. 

7.

 

The benefits of this warranty are in addition to other rights and

 remedies of the consumer under laws in relation to the goods and services to 

which the warranty relates. 

8.

 

The CFEWH must be sized to supply the hot water in accordance with the guidelines in the MicroHeat CFEWH literature. 

PROCEDURE FOR HONOURING WARRANTY 

1.

 

To initiate a claim for a warranty against defects, the consumer shall contact: 

MicroHeat Technologies Pty Ltd

 

20 Pickering Road 
MULGRAVE VIC 3170  
AUSTRALIA 
Phone: +61 1300 981 325 

2.

 

The process will then follow the MicroHeat Product Warranty Flow Chart to assess whether the product is under warranty. 

WARRANTY EXCLUSIONS 

Repair and replacement work will be carried out as set out in the MicroHeat warranty. However, the following exclusions may cause the 
MicroHeat warranty to become void and may incur a service charge and/or cost of parts: 
1.

 

Accidental damage to the CFEWH or any component, including: Acts of God; failure due to misuse, abuse, fire or flood damage; in

correct 

installation; damage as the result of transportation, removal or storage; attempts to repair the CFEWH other than by a MicroHeat Accredited 
Service Agent, the MicroHeat Service Department or a repairer not approved by MicroHeat. 

2.

 

Where it is found there is nothing wrong with the CFEWH water heater; where the complaint is related to circumstances where there is no 

flow of hot water due to faulty plumbing; where water leaks are related to plumbing and not the CFEWH or CFEWH components; whe

re 

there is a failure of electricity or water supplies; where the supply of electricity or water does not comply with relevant standards, codes or 
acts, MicroHeat may then charge the consumer a nominal service charge if inspection reveals no fault with the CFEWH unit or its installation. 

3.

 

Where the CFEWH or CFEWH component has failed directly or indirectly as a result of excessive water pressure in excess of 10bar; incorrect 
pressure limiting valves; incorrect tempering valve settings; temperature input in excess of 85ºC and/or excessive thermal input; blocked 
outlet; corrosive atmosphere; foreign matter in the water supply; or ice formation in the pipe work to or from the CFEWH water heater. 

4.

 

Where the CFEWH is located in a position that does not comply with the MicroHeat CFEWH Installation Instructions or relevant statutory 
requirements, causing the need for major dismantling or removal of cupboards, doors or walls, or use of special equipment to bring the 
CFEWH to a serviceable position. 

5.

 

Repair and/or replacement of the CFEWH due to the effects of either corrosive water or water with a high chloride or low pH level caused by 
unnatural circumstances or when the CFEWH has been connected to a water supply with water conductivity levels that are outside the range 
of water conductivity outlined in the Installation Instruction Manual. 

Subject to any rights you have under Australian Consumer Law or other statutory provisions to the contrary, this warranty excludes any and all 
claims for damage to furniture, carpets, walls, foundations or any other consequential loss either directly or indirectly due to leakage from the 

water heater, or due to leakage from fittings and/or pipe work of metal, plastic or other materials caused by water temperatur

e, workmanship or 

other.

Summary of Contents for CFEWH 2-15

Page 1: ...Continuous Flow Electric Water Heater www microheat com au INSTALLATION OPERATION MANUAL CFEWH SERIES 2 Three Phase 415VAC 380VAC Licence No AS 3498 WM 022136 AS NZS 60335 2 35 A 13670EA N29465...

Page 2: ...tions 8 CFEWH Installation Procedure 9 CFEWH Mounting Installation 10 CFEWH Plumbing Electrical Installation 11 CFEWH Electrical Installation 12 Maximum Electrical Demand Calculation Error Bookmark no...

Page 3: ...hecklist on Page 5 before commencing the installation of any CFEWH unit This equipment requires three phase 415 VAC To avoid electric shock this equipment must only be opened and installed by a qualif...

Page 4: ...o reduced draw off Hot water reticulation energy losses significantly reduced Virtually maintenance free no scaling or element burn out Electric Instantaneous Water Heater EIWH vs Continuous Flow Elec...

Page 5: ...there is a possibility of the ambient temperature dropping below 5 C Water Resistivity To ensure optimal operation the resistivity of the incoming cold water supply should not be less than 1 25k cm an...

Page 6: ...ll Mounting Screws Not included in the packaging 2 CFEWH Top Cover 13 CFEWH Inlet Filter 3 CFEWH Heat Sink 14 PCB Terminal Block 4 CFEWH Flow Rate Sensor 15 Electric Mains Supply Cable Gland 5 CFEWH T...

Page 7: ...on off controlled inlet valve a water hammer arrestor must be mounted at the outlet of the CFEWH to reduce the water hammer effect during the automatic turning off of the water inlet valve of these a...

Page 8: ...nit Parameters Switch on Flow Rate 1 5 LPM Temperature Settable 1 C System Type Continuous Flow Electric Water Heater CFEWH Hot water market segment Electric Instantaneous Tankless Maximum Rated Opera...

Page 9: ...n connected to the terminal block 14 see page 12 Error Reference source not found The cable enters from the rear of the appliance 6 Carefully replace the plug and cable connecting the Display PCB LED...

Page 10: ...method used to x the unit to a vertical wall must be capable of continuously supporting a minimum weight of 10kg When mounting the unit onto a rough surface ie a brick wall or similar a backing board...

Page 11: ...or other circumstances does not stress the appliance unduly The inline water pressure limiting valve must be rated at 5 0 bar 72 5 psi 500 kpa The shutoff valve installed must not be a non return type...

Page 12: ...ctory limited to deliver a maximum of 45 C OR 50 C PIPE 1 that connects the TANDEM CFEWH HOT WATER OUTLET connected to SANITARY FIXTURE 1 n must be greater than 300 millimetres and plumbing piping and...

Page 13: ...WH is intended for use where the service current capacity of 100A per phase is supplied from a distribution network having a nominal voltage of 400 230 VAC Power Rating Amperage Table Printed Circuit...

Page 14: ...r kick is not required at start up STEP 1 Flush Flushing is required to clear the unit of plumbing debris that may have collected in the piping during installation This is done with the electric power...

Page 15: ...should be given to MicroHeat when making the service call is made Normal operation cannot be resumed by switching the appliance OFF and ON Manual Intervention Procedure is required refer pages 16 to...

Page 16: ...Outlet water temperature sensor open circuit a9 Blocking Resolving Flashing RED Outlet water temperature sensor short circuit aa Blocking Resolving Flashing RED AC Mains electrical supply failure ac...

Page 17: ...does not require any regular maintenance However to ensure consistent water ow it is recommended to periodically remove scale and dirt that may build up in the Inlet Filter 13 the faucet or in the sho...

Page 18: ...CFEWH SERIES 2 Three phase INSTALLATION Manual Mar 2022 MicroHeat Technologies Pty LTD Page 18 of 22 Dimensions NOTES...

Page 19: ...must be sized to supply the hot water in accordance with the guidelines in the MicroHeat CFEWH literature PROCEDURE FOR HONOURING WARRANTY 1 To initiate a claim for a warranty against defects the con...

Page 20: ...eat Technologies Pty LTD Page 20 of 22 MicroHeat Contact Details For Technical Support before and after Installation Phone 1300 981 325 Email info microheat com au MicroHeat Technologies Pty Ltd 20 Pi...

Page 21: ...CFEWH SERIES 2 Three phase INSTALLATION Manual Mar 2022 MicroHeat Technologies Pty LTD Page 21 of 22 PAGE LEFT INTENTIONALLY BLANK...

Page 22: ...CFEWH Mounting Template 8MM X 65MM Minimum length SCREWS UP CFEWH MOUNTING TEMPLATE...

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