15
When completely full and purged check system for
leaks. The heating source (immersion heater(s) or
boiler) can then be switched on.
USER INSTRUCTIONS
WARNINGS
IF WATER ISSUES FROM THE TEMPERATURE/
PRESSURE RELIEF VALVE ON THE POTTERTON
GOLD CYLINDER SHUT DOWN THE BOILER. DO
NOT TURN OFF ANY WATER SUPPLY. CONTACT A
COMPETENT INSTALLER FOR UNVENTED WATER
HEATERS TO CHECK THE SYSTEM.
DO NOT TAMPER WITH ANY OF THE SAFETY
VALVES FITTED TO THE POTTERTON GOLD
SYSTEM. IF A FAULT IS SUSPECTED CONTACT A
COMPETENT INSTALLER.
BENCHMARK
The POTTERTON GOLD cylinder is covered by the
Benchmark Scheme which aims to improve the
standards of installation and commissioning of
domestic heating and hot water systems in the
UK and to encourage regular servicing to optimise
safety, efficiency and performance.
Benchmark is managed and promoted by the
Heating and Hotwater Industry Council. For more
information visit www.centralheating.co.uk.
Please ensure that the installer has fully completed
the Benchmark Checklist ( Page 19 and 20 ) of this
manual and that you have signed it to say that
you have received a full and clear explanation of its
operation. The installer is legally required to complete
a commissioning checklist as a means of complying
with the appropriate Building Regulations (England
and Wales).
All installations must be notified to Local Area
Building Control either directly or through a
Competent Persons Scheme. A Building Regulations
Compliance Certificate will then be issued to the
customer who should, on receipt, write the
Notification Number on the Benchmark Checklist.
This product should be serviced regularly to
optimise its safety, efficiency and performance.
The service engineer should complete the relevant
Service Record on the Benchmark Checklist after
each service.
The Benchmark Checklist may be required in the
event of any warranty work and as supporting
documentation relating to home improvements
in the optional documents section of the Home
Improvements Pack.
TEMPERATURE CONTROLS – DIRECT UNITS IMMER-
SION HEATER(S)
A combined adjustable thermostat and thermal
cut-out is provided for each immersion heater. The
thermostat is factory set to give a water storage
temperature of approx. 55
o
to 60
o
C. Access to the
thermostat can be made by opening the immer-
sion heater cover - DISCONNECT THE ELECTRICAL
SUPPLY BEFORE OPENING THE COVER(S). Tempera-
ture adjustment is made by inserting a flat bladed
screwdriver in the slot on the adjustment disc on
top of the thermostat and rotating. The adjustment
range 1 to 5 represents a temperature range of 10
o
to 70
o
C (60
o
C will be approximately position 4). If in
any doubt contact a competent electrician.
DO NOT bypass the thermal cut-out(s) in any
circumstances.
TEMPERATURE CONTROLS - INDIRECT UNITS (Fig. 7
Page 10)
The POTTERTON GOLD cylinder units are fitted
with an indirect thermostat and thermal cut-out.
These controls must be wired in series with the 2
port motorised zone valve supplied to interrupt the
flow of primary water around the heat exchanger
coil when the control temperature has been
reached. The controls are located within the lower
terminal housing along with the immersion heater
thermostat. The thermostat is factory set to give a
water storage temperature of approx. 55
o
to 60
o
C.
Access to the thermostat can be made by opening
the terminal housing cover -
DISCONNECT THE
ELECTRICAL SUPPLY BEFORE OPENING THE
COVER
. Temperature adjustment is made by
inserting a flat bladed screwdriver in the adjustment
knob and rotating. The minimum thermostat setting
is 10
o
C. The adjustment range 1 to 5 represents
a temperature range of 30
o
to 70
o
C (60
o
C will be
approximately position 4). If in any doubt contact a
competent electrician.
An immersion heater is also provided for use should
the indirect heat source be shut down for any purpose.
The immersion heater control temperature is set
using the immersion heater thermostat.
DO NOT bypass the thermal cut-out(s) in any
circumstances.
FLOW PERFORMANCE
When initially opening hot outlets a small surge in
flow may be noticed as pressures stabilise. This is
quite normal with unvented systems. In some areas
cloudiness may be noticed in the hot water. This is
due to aeration of the water, is quite normal and
will quickly clear.
