Hot water just got smarter Continuous Flow Electric Water Heater INSTALLATION MANUAL CFEWH SERIES 1-10 Single Phase CFEWH Series 1-10 Premium Model. Extension pipe cover sold separately. www.microheat.com.
Introduction Contents This Installation Manual covers Series 1-10 Premium and Standard models of the Continuous Flow Electric Water Heater [CFEWH]. Voltage Introduction 03 The CFEWH is Single Phase 240VAC Live-Neutral/Ground. About This Product 04 Full specifications are on page 19 in the Reference section.
About This Product About the Continuous Flow Electric Water Heater [CFEWH] What makes this product so unique and different? The Continuous Flow Electric Water Heater [CFEWH] uses innovative new technology to deliver hot water instantly … and achieve impressive efficiencies in both water and energy usage. We’d like to explain how it’s so different from other hot water systems – and why it’s setting completely new standards.
Pre-installation Pre-installation Installation Checklist Installation Locations – Options Please read through this section before commencing installation, to ensure you are familiar with the component parts and the fitting procedure. These suggested options show how the unit can be fitted in three situations, covering bathroom, kitchen and laundry. This unit must be installed by: Please note that the location and installation of the unit is not limited to the options shown here.
Pre-installation Installation Component Guide Installation Procedure This is an at-a-view guide to the 12 steps required to install the unit. 1. Remove the CFEWH Exterior Cover (10). It will allow you to become familiar with the component parts of the unit and will assist you during the installation process. Full details for wall mounting, electrical and plumbing installation are provided in the following sections. 2.
Installation Installation Exterior Cover Removal and Replacement Mounting to the Wall The procedure for removing the Exterior Cover requires the following steps: The unit must be mounted onto a solid internal wall, or in an internal cupboard or space, in the vertical position using the 4 x Mounting Screws (12) placed within the Mounting Screw Hole Locations as shown. The maximum screw head diameter is 8mm. A screw head larger than 8mm will damage the mounting boss and crack the body.
Installation Installation Mounting to the Wall (cont.) Connection to Plumbing The installation must comply with the relevant Australian Standards and Industry Codes: Plumbing and drainage – Heated water services AS/NZS 3500.4 IMPORTANT When mounting the unit to a wall, it 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.
Installation Installation Connection to Plumbing (cont.) Connection to Plumbing (cont.) Water Inlet Pressure Limiting Valve and Shutoff Valve Connection Acceptable inlet/outlet connections The unit is a closed outlet water heater and is intended to operate at the pressure of the water mains, where the flow of water is controlled by one or more faucets/valves in the outlet line. The Inlet (6) and Outlet (7) water connections are both ½” BSP SERIES GB.
Installation Installation Connection to Power Connection to Power (cont.) The unit must be connected to Live-Neutral/Ground (LNG) Electrical Mains Supply. In accordance with the wiring rules, AS/NZS 3000:2007 and IEC 61000-3-11, the CFEWH is intended for use in premises having a service current capacity ≥100 A per phase, supplied from a distribution network having a nominal voltage of 400/230 VAC.
Installation Reference Preparation for Use Product Specifications After installation, this two step procedure must be followed. All specifications, stated operational flow rates and output water temperatures are valid within the range of water conductivity: The unit must be primed – this is required only once – nominally at installation.
Reference Reference Flow Rates and Output Water Temperature Dimensions Flow rate in (ltr/min), related to output water temperature (°C) and optimised electrical energy usage (kW). The incoming water temperature will vary during Summer and Winter. The following tables show the hot water output temperatures attainable at various flow rates, for each of the CFEWH SERIES 1 Models available.
Reference Reference Diagnositics and Error Descriptions Manual Intervention Error Description (Cause) 22 Error Code Error Type LED Display Not powered N/A No error No colour Normal operation standby 00 No error Slow Flashing GREEN Normal operation – heating 01 No error Fast Flashing GREEN Water conductivity too low No error ORANGE In Priming Mode No error ORANGE Operating temperature too low A4 Blocking / Resolving Flashing RED Operating temperature too high A5 Blocking / Re
Reference Reference Maintenance Warranty The unit is designed to provide long and reliable service. Actual life expectancy will vary with water quality and use. The unit itself does not require any regular maintenance. WARRANTY FOR MICROHEAT TECHNOLOGIES PTY LTD CONTINUOUS FLOW ELECTRIC HOT WATER HEATER (CFEWH) SERIES. The CFEWH SERIES 1 has a projected Mean Time Between Failure (MTBF) of 925 hours/17,500 cycles.
Notes 26 Contact Details 27 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 AUSTRALIA www.microheat.com.au AS/NZS 3498 Lic: WMKA22136 Standards Australia Patent Cooperation Treaty (PCT) Patent Protected. IEC 60335.2.35 T120312_S AS/NZS 60335.2.
Hot water just got smarter DISTRIBUTED BY: ISSUE 2 April 2013
