Starting Up The Ae 12; Sink; Adjusting The Flow - Bosch AE 12 Installation And Operating Instructions Manual

5

Starting up the AE 12

WARNING:
B Do not use the unit if you think it may be
frozen, as this could result in serious
damage to the unit. Wait until you are
sure it has completely thawed out before
you switch it on.
WARNING:
Before turning on power, open cold water
shutoff valve to the unit and turn on all hot
water taps supplied by the unit. Flow water
out the tap(s) until all air has purged from
the unit and plumbing.
5.1

Sink

B Check that the power is switched on at the circuit
breaker panel.
B Turn on the hot tap FULLY.
If you do not turn the tap full on, you will find that the
temperature of the water may vary. The hot water can
be adjusted by altering the temperature dial and
correctly setting the flow rate. Refer to appendix on
page 14 - correct flow vs. temperature.
If the unit has been used recently:
B run the water through for a few seconds to let the
temperature settle down.
If the unit has been used recently, You may initially get
a short burst of very hot water from the unit.
If a second tap connected to the unit is also turned on,
the hot water will be shared between the two, therefore
the flow and/or the temperature of the water will
decrease.
5.2

Adjusting the flow

B Ensure the service valves are open and check that no
pipe joints leak.
B Turn on the hot tap fully at the sink.
B Adjust the outlet service valve till the water comes out
of the tap at the recommended flow rate for the
required temperature. Refer to Appendix on page 14:
Correct flow vs. Temperature.
If the required temperature is different from the
factory setting, turn the Adjustment Spindle (Fig. 7)
until the outlet temperature is correct.
B Check that the unit works correctly when the sink tap
is closed and then opened again; if not adjust the
service valve slightly.
6 720 800 531 (2011/09)
B The outlet shut off valve can be used to regulate
temperature or flow of water from the unit.
When using the hot water at a fixture, open
tap fully. To regulate hot water temperature,
adjust the temperature dial and flow rate as
recommended in the Appendix on page 10.
NOTE:
If the unit is servicing a single lever faucet
you may need to restrict the cold water
supply to the faucet to balance water
pressure and improve performance.
NOTE:
B Before leaving the site, the installer
should demonstrate the unit to the user
and give him/her this guide.
B Remove nameplate in direction of Arrow A (Fig. 7).
B Adjust the temperature setting using a screwdriver on
the spindle as shown by arrow B (Fig. 7).
Fig. 7 Temperature adjustment spindle
B Replace the nameplate.
Starting up the AE 12
13