New & Existing Heating Systems - Potterton iHE 100 Installation & Servicing Instructions Manual

Central Floor fi xing method (four plates required)
If the central fi xing positions are unsuitable for the
installation, alternative positions can be utilised in
the corners. (Fig 2.2) This method can only be used
if the installer has kept the pallet fi xing plates and
has four plates in total.
Follow points 1 - 4 above for fi xing instructions.
2.2 NEW AND EXISTING HEATING
SYSTEMS
E S
XISTING YSTEMS
Before replacement of an existing boiler, it
is necessary to thoroughly clean out the
old system fi rst. This is best achieved intro
ducing a basic cleaning solution 4 weeks
before the substitution.
iHE
When the appliance is installed on existing systems,
please ensure you have considered the following
before commissioning:
-
If you intend to use the existing fl ue on a B23
category system, check that fl ue outlet is suitable
for condensing boilers, is the correct size, is correct
for the temperature of the products of combustion
and is manufactured according to current
regulations. It must be tested for soundness and
must not have any restrictions or defects. Also
ensure that the fl ue outlet pipe has a connection for
the discharge of condensate. For all other fl ue
types, it is recommended that a completely new
fl ue system is installed.
-
The boiler room has a suitable outlet for the
discharge of condensate produced.
-
The electrical connections comply with the current
electrical standards and the work has been carried
out by a suitably qualifi ed person.
-
The gas supply pipework is constructed to the
current regulations in force.
-
The expansion vessels and associated fi ttings are
correctly sized to absorb the total expansion of the
system and in tested working order.
-
The circulation pump' s output, the head and fl ow
direction are suitable.
-
The complete system has been cleaned of
impurities and lime scale.
N
Fig 2.2 EW
It is recommended to thoroughly clean out the new
system with a system fl ush product, before commis-
sioning the appliance.
S
YSTEM
After cleaning and fl ushing of the system, it should
be fi lled with an appropriate inhibitor/antifreeze
treatment to maintain pH levels of between 7.5 &
9.5pH.
The following system treatments have been tested
and are recommended for use in this appliance:
Inhibitors
Noise reducer
Universal cleaner
Sludge remover
Antifreeze
8
S
YSTEMS
I & H
NHIBITORS P LEVELS
FERNOX
Protector/
Alphi 11
Restorer
Protector,
Restorer
Alphi 11
SENTINEL
X100, X500
X200
X300
X400
X500
GB/IE