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4.15 Connect all other components as per Figure 3.
4.16 T urn the isolating stop valve on slowly and check for leaks in all
pipe work, rectify as necessary.
4.17 T urn off the isolating stop valve.
4.18 Place the cover onto the back plate.
4.19 Secure the cover to back plate using screw provided.
5.0 COMMISSIONING
5.1 Once installed, the heater will operate automatically when the
outlet valve is opened. The valve must be opened fully to obtain
the set flow/temperature. Reduced flow at the outlet will result in
hotter water being delivered.
5.2 On closing the outlet valve the heating element will automatically
shut down provided this tap has been fully turned off by the user.
SETTING FLOW RATE
5.3 To set the flow rate, make sure the water and power are turned
off. Open the outlet valve fully (see figure 3) and close the flow
restrictor. Open the stop valve and open the flow restrictor
(allowing all air to be purged). When all air is purged switch the
power on, wait for a few seconds while the water is heated and
adjust flow restrictor to give the required temperature.
Remember the outlet valve is fully opened at this point so the
required temperature may need further adjustment.
5.4 It is important to note when setting the flow rate/temperature that
48°C is the point at which the average person cannot hold his
or her hand under a stream of water. Under most circumstances
the water temperature need not be higher than this and it is
recommended that this temperature is not exceeded for normal
use.
5.5 These heaters will supply only one outlet at any time and must
be controlled by a single outlet valve.
DO NOT USE WITH MIXER VALVES.
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