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DBX DEX cover qxd:Varipoint cover qxd
Zip Heaters (UK) Ltd
14 Bertie Ward Way
Dereham
Norfolk
NR19 1TE
Telephone 0845 6024533
Facsimile 01362 692448
www.zipheaters.co.uk
6/5/11
10:46
Page 1
The terms 'Zip' and 'InLine'
are registered trademarks.
9120 - 34136
Installation, Maintenance and User Instructions
Zip InLine
Electronically Controlled Instantaneous
Water Heaters
Models DEX & DBX
Issued April 2011
Please read these instructions carefully before commencing installation of the InLine water heater.
Please leave these instructions with the end user after installation.
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Summary of Contents for Zip DEX
- Page 1 DBX DEX cover qxd:Varipoint cover qxd 6/5/11 10:46 Page 1 Installation, Maintenance and User Instructions Zip InLine Electronically Controlled Instantaneous Water Heaters Models DEX & DBX Issued April 2011 Zip Heaters (UK) Ltd 14 Bertie Ward Way Dereham Norfolk NR19 1TE The terms ‘Zip’...
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Page 2: Table Of Contents
Furthermore, this warranty does not displace any statutory warranty, but, to the Electrical connection from above extent to which Zip is entitled to do so, the liability of Zip under any statutory warranty will be limited at Zip's option to the replacement of the appliance or... -
Page 3: Description
Type DEX maximum inlet temperature of 70°C is suitable for use with preheated water from solar heating systems. Approvals Zip InLine DEX and DBX are VDE approved to the LVD and EMC directives and are CE endorsed. Zip InLine DEX and DBX have been examined, tested and found when correctly fitted to comply with the requirements of the United Kingdom Water Regulations / Byelaws (Scotland). -
Page 4: Warnings
When the appliance has been in use for some time, the fittings may be very hot! • Incoming water temperature must not exceed 70°C for DEX and must not exceed 30°C for DBX. -
Page 5: Technical Data
Protection class IP25 Maximum 400V for DEX and DBX at 27kW Mixed with cold water at the outlet Flow rate limited to achieve optimum temperature rise Without flow regulator DEX & DBX Installation, Maintenance and User Instructions - April 2011... -
Page 6: Dimensions
DBX DEX qxd:Varipoint qxd 20/5/11 13:34 Page 4 Dimensions DEX & DBX Installation, Maintenance and User Instructions - April 2011... -
Page 7: Spare Parts
Safety Switch, DBX18 IN83118 DBX21 IN83121 DBX24 IN83125 DBX27 IN83127 DEX IN83227 Flow limiter DEX Thermal sensor IN89111 IN82512 IN89110 IN89109 DEX Control panel IN82550 IN89110 Fine filter IN82162 DEX & DBX Installation, Maintenance and User Instructions - April 2011... -
Page 8: Installation
Requirements • These instructions must be read and fully understood before commencing the installation. If in doubt, or in need of further guidance please ring Zip on 0845 602 4533. • Zip InLine water heaters must be installed by a competent person familiar with electric instantaneous water heaters. -
Page 9: Installing The Wall Bracket
½” seal onto the cold Fig 2 water connection. 2. Screw the hot water connection piece (B) with the union nut and the ½” seal onto the hot water connection. DEX & DBX Installation, Maintenance and User Instructions - April 2011... -
Page 10: Installing The Appliance
1. Check all connections for leaks. 7. Ensure that all air is eliminated from the water heater by opening and closing the hot water tap until Fig 5 no more air emerges. DEX & DBX Installation, Maintenance and User Instructions - April 2011... -
Page 11: Surface Mounted Installation
Requirements’ listed on page 6 and ensure that all requirements pertaining to electrical installation are observed. Wiring Diagram 1. Circuit board 2. Heating element 3. Safety thermal cut-out 4. Terminal block DEX & DBX Installation, Maintenance and User Instructions - April 2011... -
Page 12: Load Shedding Relay (Dex)
Note: If required, the terminal block can be re-positioned in the upper part of the appliance. In this case the instructions in the following section should be followed. DEX & DBX Installation, Maintenance and User Instructions - April 2011... -
Page 13: Electrical Connection From Above
This should only be done by a competent installer. 1. Switch on the power supply to the appliance. The digital display will light up. DEX & DBX Installation, Maintenance and User Instructions - April 2011... - Page 14 3. Use the arrow up and down function keys to select the required maximum power rating. N.B. DEX at 27kW for connection only to 3/PE 400V AC supply. 4. Press function key 1 to confirm the selection after which the appliance will start to operate.
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Page 15: Maintenance
8. Re-fit the appliance cover and restore power to the unit. DEX & DBX Installation, Maintenance and User Instructions - April 2011... -
Page 16: Operation (Dex)
3 seconds. ‘- -’ is displayed briefly to confirm deactivation. Note. Programmed temperature settings will need to be reset after deactivating temperature limitation. DEX & DBX Installation, Maintenance and User Instructions - April 2011... - Page 17 Operation with solar systems The DEX is suitable for use with solar heating systems providing appropriate controls are in place to ensure that the temperature of the water entering the unit does not exceed 70°C.
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Page 18: Fault Finding
All service work should be performed by an authorized Zip service engineer – for details of the full range of services available call Zip Service on 0845 602 4533. When calling for service, please always specify the appliance model and serial number.
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