Page 1
Installation, Maintenance and User Instructions AquaFlo II Issue 3 – December 2011 Please read these instructions carefully before commencing installation of the AquaFlo unvented water heater Please leave these instructions with the end user...
INTRODUCTION The corrosion resistant AquaFlo Unvented cylinder is made from INSTALLATION PREREQUISITES Duplex Stainless Steel. It is highly insulated with environmentally This Cylinder should only be installed by a competent installer friendly foam enclosed in a rust resistant white steel case. holding their G3 unvented qualification.
WATER SUPPLY SITING THE UNIT AquaFlo is capable of delivering over 50 litres per minute when AquaFlo can be positioned more or less anywhere in the building connected to a suitable mains supply. The high quality inlet control but it should be remembered that for every 1 meter that an outlet is set with its 3 bar operating pressure has been designed to make the above the AquaFlo, the pressure will be reduced by 0.1 bar.
It may be necessary to incorporate an extra expansion vessel into the circuit to accommodate the increased system water volume in larger All plumbing connections should be made to the Zip AquaFlo and its secondary circulation systems. Where off peak electrical tariffs are being safety devices using the 15mm or 22mm compression fittings, nuts and olives supplied.
Page 5
Lower Coil: Two Boiler Installation Specification for design installation, testing and maintenance of services supplying water for domestic use within buildings and Where the lower coil is to be used with a fossil fuel boiler, the their curtilages. pipework requirements are as per that of a Stainless Indirect single coil cylinder described earlier in this book.
Page 6
WIRING DIAGRAM 2 x 2 Port zone valves (Typically Honeywell ‘S’ Plan) W = White G = Grey Bl = Black O = Orange G/Y = Green/Yellow Br = Brown L = Live N = Neutral C = Common SL = Switched Live E = Earth 2 Port (Heating) Cutout (combined) duostat 2 Port (DHW)
Servicing should only be carried out by competent installers and any FILLING spare parts used must be purchased from Zip Heaters. NEVER Check all connections for water tightness including any factory made bypass any safety devices or operate the unit without them fully connections such as the immersion heater and the temperature and operational.
IN THE EVENT OF A PROBLEM CONTACT ZIP of practice in force at the time. HEATERS ON 0845 602 4533 FOR ADVICE It has not been modified in any way, other than by Zip Heaters • USER INSTRUCTIONS (UK) Ltd.
Page 9
ESSENTIAL CYLINDER INFORMATION Maximum water supply pressure .........12 Bar Set opening pressure of combined T&P valve......7 Bar Operating pressure..............3 Bar Immersed electric element rating........... 3kW Maximum primary pressure (indirects only)......3 Bar Immersion heater length ..............14” Expansion vessel charge pressure ........3 Bar Gross Weight........(See cylinder data table below) Expansion valve setting............6 Bar Storage capacity ........(See cylinder data table below)
Page 10
NOTE: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior notice. IMPORTANT: No liability is accepted for incorrect use or installation of this product. Zip Heaters (UK) Ltd Telephone: 0845 602 4533 14 Bertie Ward Way...
Need help?
Do you have a question about the AquaFlo II and is the answer not in the manual?
Questions and answers