24
221873B
10 Commissioning
7020
OUTER
CASE
FRONT
SECURING
NUT (2)
Diagram 10.5
WRAP AROUND
10.9 Temperature Settings
The maximum temperature setting for the domestic hot water
outlet is 65
o
C.
The maximum flow temperature setting for central heating is
80
o
C.
10.10 Heating System - Commissioning
Check that all remote controls and integral clock are calling for
heat.
Fully open all radiator valves.
Set the heating system in operation and balance the radiators.
Refer to Section 4.6 and diagram 4.1.
Allow the system to reach maximum temperature then switch
off, isolate the boiler from the electrical supply and drain the
system rapidly whilst still hot.
Remove the inner case front.
Fill and vent the system as described in Section 10.2 “Filling the
Central Heating Circuit”. Add inhibitor, if applicable, refer to
Section 4.9 “Corrosion Inhibitor”.
Lower the pressure to the initial cold fill design pressure, using
the external draining tap, close to the boiler, refer Table 1 and
Section 4.10.
10.11 Completion
Fit the side panels, hook into the threaded lugs at the top. see
diagram 10.4.
Fit the case base, slide back engage the rear lugs, secure with
four screws, see diagram 10.3.
Fit the outer case front by locating it on one side then wrap it
around locating it on the opposite side, slide down locating on
to the threaded lugs at the top and behind the controls cover at
the bottom, secure with nuts ,see diagram 10.5.
Set the boiler and any remote heating control to the desired
settings, then close the control cover door.
10.12 Instruct the User
Instruct and demonstrate the lighting procedure, then advise
the user of the efficient and safe operation of the boiler.
Instruct and demonstrate the operation of any heating system
controls.
Advise the user on the use and maintenance of any scale
reducer and pass on any relevant instructional documents.
Advise the user that to ensure the continued efficient and safe
operation of the appliance it is recommended that it is checked
and serviced at regular intervals. The frequency of servicing will
depend upon the particular installation and usage, but in general
once a year should be enough.
Draw attention, if applicable, to the current issue of the Gas
Safety (Installation and Use) Regulations, Section 35, which
imposes a duty of care on all persons who let out any property
containing a gas appliance.
It is the Law that any servicing is carried out by a competent
person.
Advise the user of the precautions necessary to prevent damage
to the system and building in the event of the heating system
being out of use during frost and freezing conditions.
Reminder - Leave these instructions and the “Benchmark”
logbook with the user.
