General; Fitting To Wall; Plumbing Connections - Hyco SpeedFlow sf10l Installation & Operating Instructions

1. GENERAL

The Hyco Speedflow is an unvented water heater designed for direct connection to the mains supply, and
can service one or more outlets using ordinary taps. It is also suitable for connection to gravity fed
systems.
It is recommended that the Speedflow is fitted by an experienced installer familiar with unvented units.

2. FITTING TO WALL

The Speedflow is usually located in the vertical position below the outlet to be supplied but can be
mounted above the outlet if necessary. It can be free standing on the floor or fixed to a wall using the
bracket supplied. Either way, it must remain upright, with the pipe connections at the top.
Allow for the weight of the Speedflow when full of water (1kg per litre) when assessing the suitability of
a potential fitting.

3. PLUMBING CONNECTIONS

Installation must comply with current Water Regulations.
The hot and cold fittings are ½" BSP at the top of the unit. These fittings are colour
coded (blue = cold, red = hot) and are not interchangeable.
Picture 1 shows part needed for installation: standard compression fitting, ½" female to
15mm.
Use PTFE tape on the threads and fibre/synthetic washers to ensure a water-tight seal.
The Speedflow is supplied with a 6 bar pressure relief valve. This must ALWAYS be fitted. The relief
valve must discharge to a safe and visible place, in accordance with Water Supply regulations.
Depending on the installation circumstances, other
accessories may be required. If required, these
must be ordered separately and are installed as
shown on the diagrams opposite. Do remember that
the water pressure can increase considerably at night.
Note that water leaking from the pressure relief valve
usually indicates excess water pressure. The remedy
is to order and fit accessory kit SF2.