How to install an instantaneous hot water heater?
How to install an instantaneous hot water heater?
Fit the unit onto a flat piece of wall, well away from any potential splashes of water or spray. Position the unit either upright or lengthways (diagram 1a/b), whichever is most convenient for plumbing and wiring, keeping the hot water pipe length to a minimum in order to save energy.
How is the water heated in an Unvented hot water system?
There are two different methods for heating the water within an unvented hot water system. In a directly heated model the cold mains water is warmed up by an in-built immersion heater, while the water in an indirectly heated model is heated by an external source such as a gas boiler or solar panels.
What to do with an unvented water heater?
This manual is an integral part of the product. Keep it with care with the appliance, and hand it on to the next user/owner in case of change of property. 2. Read the instructions and warning in this manual carefully, they contain important information regarding safe installation, use and maintenance. 3.
Do you need a cold water tank for an Unvented hot water system?
Unlike vented systems, unvented hot water cylinders do not require a cold water tank and so save domestic users space within their homes. The sealed cylinder is instead fed directly from the cold mains, and since the mains water enters under high pressure, the flow rates and consistency from an unvented cylinder tend to be more reliable.
How to install an aquaheat unvented water heater?
5 3.1 IMPORTANT INSTALLATION POINTS 3.1.1 The Aquaheat unvented water heater MUST be fitted with a Pressure (Expansion) Relief Valve. This MUST be fitted to the cold water supply near the heater.
Fit the unit onto a flat piece of wall, well away from any potential splashes of water or spray. Position the unit either upright or lengthways (diagram 1a/b), whichever is most convenient for plumbing and wiring, keeping the hot water pipe length to a minimum in order to save energy.
When to drain unvented water heater in Ariston?
Make sure to drain the appliance when it is out of service or in an area subject to subzero temperatures. 15. Make sure to drain the appliance when it is out of service or in an area subject to subzero temperatures. 16. Water heated to over 50° C can cause immediate serious burns if delivered directly to the taps.
Who is responsible for installation of electric water heater?
The installation of electric water heaters shall be carried out by a designated person under section 15 of Waterworks Ordinance (Cap. 102) for specified plumbing works.