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06

Pre-installation

Installation Checklist

Please read through this section before commencing installation, to ensure you are familiar with the 
component parts and the fitting procedure.

This unit must be installed by:

A Licensed Electrician

, ensuring installation conforms to all current electrical wiring standards.

A Licensed Plumber,

 ensuring installation conforms to all current plumbing standards.

The CFEWH must be installed in a vertical position on an internal wall, or in an internal cupboard or space.

If the safety rules or the instructions outlined in this manual are not followed correctly, the unit may not 
operate properly and could cause damage to property, serious bodily injury and/or death.

MicroHeat nor its Distributors will be liable for any damages due to failure to comply with the installation and 
operating instructions outlined in this manual or through improper use.

Improper use includes the use of this appliance to heat any liquid other than potable water within the 
conductivity range specified in this manual. Refer to the Reference section – page 19.

IP Rating –

 The unit is rated as IP44. The appliance must be installed inside a dwelling or construction and should 

not be exposed to splashing water, rain or any circumstance that will allow water to enter the outside cover.

IMPORTANT

Failure to comply with the installation and operating instructions or improper use voids the warranty.

Never remove the unit cover unless the electricity is turned off at the isolation switch or switchboard.

To reduce the risk of electric shock or injury to persons or property, please follow the installation 
instructions carefully.

WARNING

IMPORTANT

Where the ambient temperatures are likely to approach freezing – ie: less than 5°C – the unit must be 
drained of water to prevent frozen water damage occurring. 

Failure to comply with the installation and operating instructions or improper use voids the warranty.

Water temperatures greater than 50°C can cause scalding. Care should be taken with children 
and  people  with  limited  sensory,  physical,  and/or  mental  capability.  See  AS  3500  Section 
1.9.2.

Compliance with AS/NZS 3498 Section 7.2.1 obviates the need to ft a temperature limiting device 
if this water heater is installed in any location other than the locations clearly stipulated in AS 
3500 Section 1.9.2 (a), where the installation of thermostatic mixing valves is required.

In accordance with AS 3500, this appliance will not deliver temperatures exceeding 50°C.

Ambient Temperature –

 The unit is intended for internal installation and should not be installed in an 

environment where there is a possibility of the ambient temperature dropping below 5°C. 

Summary of Contents for CFEWH SERIES 1-10P

Page 1: ...tinuous Flow Electric Water Heater CFEWH SERIES 1 10 INSTALLATION MANUAL Single Phase CFEWH Series 1 10 Premium Model Extension pipe cover sold separately Hot water just got smarter www microheat com...

Page 2: ...gnositics and Error Descriptions 22 Mechanical Lockout Error 22 Manual Intervention 23 Maintenance 24 Warranty 25 Notes 26 Contact Details 27 The company accepts no responsibility for the failure of t...

Page 3: ...perature and Flow Rate Standard CFEWH CFEWH SERIES 1 10S The Exterior Cover has only a RED GREEN indicator LED This Installation Manual covers SERIES 1 10 Premium and Standard models of the Continuous...

Page 4: ...04 About This Product Hot water just got smarter...

Page 5: ...s a minute the unit will use its full power 9 6kW to heat the water However if you only want a low ow of water 1 5 litres a minute the unit will use just 4 2kW to heat the water The bene t is the unit...

Page 6: ...any circumstance that will allow water to enter the outside cover IMPORTANT Failure to comply with the installation and operating instructions or improper use voids the warranty Never remove the unit...

Page 7: ...ater Faucet Hot Water Faucet Hot Water Faucet Basin Basin Shower Kitchen Sink Basin Basin Basin Hot Water Faucet Hot Water Faucet Washing Machine Shutoff Valve Pressure Limiting Valve Shutoff Valve Pr...

Page 8: ...nd Plug Assembly 6 CFEWH Half Inch Inlet Water Connection 7 CFEWH Half Inch Outlet Water Connection 8 CFEWH PCBA V6 2 9 CFEWH Earth Locking Mechanism 10 SERIES 1 10 CFEWH Exterior Cover Premium 11 Pan...

Page 9: ...t and check if the unit is turned ON Check the indicator LED 16 on the Exterior Cover 10 If there is no power supplied to the unit the LED will not be illuminated When power is rst applied to the unit...

Page 10: ...R COVER DO THE SAME STEPS IN REVERSE AND THEN MOVE ONTO STEP 3 Using a Phillips head screwdriver af x the Pan Phillips Head Self Tapping Screws x 2 11 provided separately in the small satchel to secur...

Page 11: ...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 should be mo...

Page 12: ...is very important that no holes are drilled within the area shown below in RED The Cable Gland Fitting hole 15 must not be opened out Holes drilled within this area or opening out the Cable Gland Fit...

Page 13: ...rd or space rst then connect the hot and cold water to the appropriate connections Ensure the Inlet Filter 13 is installed as shown Installation 7 13 INLET FILTER HOT WATER OUTLET COLD WATER INLET 6 I...

Page 14: ...applied as result of water hammer and 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...

Page 15: ...e both BSP SERIES GB There are three options for inlet outlet connections with this unit Installation Braided Hose without seal Braided Hose with seal Straight Copper Tube 0HWDO RU SODVWLF ROLYH 0LQ D...

Page 16: ...Class I Bare Element Water Heater The appliance must be correctly connected to the mains earth In order to prevent a hazardous circumstance occurring due to the inadvertent resetting of the thermal c...

Page 17: ...ric Mains Supply Cable Gland 15 as shown The LIVE wire must be connected to the terminal L The NEUTRAL wire must be connected to the terminal N The EARTH Wire GREEN YELLOW must be connected to the ter...

Page 18: ...he maximum power input required to get a heat exchanger up to working temperature as quickly as possible However as the unit does not incorporate a heat exchanger this initial power kick is not requir...

Page 19: ...mpering or thermostatic mixing valves are required for personal hygiene sanitary fixtures other than stipulated in Section 1 9 2 a CFEWH SERIES 1 10 INSTALLATION Manual 2014 MicroHeat Technologies Pty...

Page 20: ...stallation and should not be installed in an environment where there is a possibility of the ambient temperature dropping below 5 C Reference IMPORTANT Where the ambient temperatures are likely to app...

Page 21: ...21 Dimensions Reference PP PP PP PP PP Outside Cover Outside Cover Extension CFEWH SERIES 1 10 INSTALLATION Manual 2014 MicroHeat Technologies Pty ltd...

Page 22: ...water temperature 5 C above set point A6 Blocking Resolving Flashing RED Inlet cold water input sensor open circuit A7 Blocking Resolving Flashing RED Inlet cold water input sensor short circuit A8 Bl...

Page 23: ...r serviceable parts inside the housing so no further action can be taken Call for a quali ed Service Technician Installer to attend ORANGE GREEN RED Manual Intervention IMPORTANT The Manual Interventi...

Page 24: ...a projected Mean Time Between Failure MTBF of 925 hours 17 500 cycles However to ensure consistent water ow it is recommended to periodically remove scale and dirt that may build up in the Inlet Filte...

Page 25: ...erature PROCEDURE FOR HONOURING WARRANTY 1 To initiate a claim for a warranty against defects the consumer shall contact MicroHeat Technologies Pty Ltd Unit 6 38 42 Sabre Drive PORT MELBOURNE VIC 3207...

Page 26: ...26 Notes...

Page 27: ...60335 2 35 A 13670EA E1109 0066 1 C Tick N29465 For technical support during or after installation phone 03 9681 7088 MicroHeat Technologies Pty Ltd Unit 6 38 42 Sabre Drive PORT MELBOURNE VIC 3207 AU...

Page 28: ...DISTRIBUTED BY Hot water just got smarter ISSUE 3 February 2014...

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