Supplied By www.heating spares.co Tel. 0161 620 6677
e
)
Explain the function of the boiler overheat thermostat, and how to re-set it.
Emphasise that if cut-out persists, the boiler should be turned off and the
installer or service engineer consulted.
f)
Str
ess the importance of an annual service by a registered heating
engineer.
g)
The electrical mains supply to the appliance must r
emain ON and the
ON/OFF switch must be left ON for the frost protection circuit to operate.
28
FITTING THE CASING P
ANELS
5.7
FROST PROTECTION
5.8
OTHER FEATURES
5.9
USERS INSTRUCTIONS
The appliance is fitted with an over
heat thermostat (integral with the CH
control thermistor). In the event of overheating, the boiler will go to lockout
and the
Reset
button show steady RED if the er
ror codes are accessed the
LED 4 (Code 0001) will illuminate. Allow the boiler to cool, then press the
Reset
button to clear
.
5.5
IGNITION LOCKOUT
5.6
OVERHEAT THERMOSTAT
In the event of failur
e during an ignition sequence, (5 attempts) the
Reset
LED will show steady RED. By pr
essing and holding the
Reset
button 3 seconds the Reset LED will flash RED and LEDs 1 to 4 will
display the error code (0011). To
Reset
the appliance and initiate a
further ignition attempt, press the
Reset
button.
NOTE:
In the event of failure during normal running, the Reset LED will
show steady RED.
T
o access the relevant error codes, press the
Reset
button for thr
ee
seconds. The
Reset
LED will flash RED. T
o reset the appliance press the
Reset
button.
The appliance is fitted with a frost protection device. In the event of very
cold conditions, the pump may operate and the boiler light for a few
minutes to protect the appliance and system from potential frost damage.
This can only function if the gas and electricity supplies are maintained and
the ON/OFF switch on the appliance is left ON. (1) The clock can be
switched to the OFF setting.
The following additional features are included in the appliance
specification:
ANTI-CYCLE DEVICE
: When the appliance cycles on its central heating
control thermostat, a slow cycle device operates. The timer (set to 3 mins) is
activated after the end of burn cycle to prevent rapid cycling of the burner.
ANTI PUMP SEIZURE DEVICE:
Pr
oviding that a power supply is maintained and the appliance ON/OFF
switch is ON, the pump will operate for at least 20 seconds every 23 hours
(regardless of heat demand) to prevent pump seizure during periods where
the appliance is not used.
W
ATER FLOW SWITCH:
This device pr
events the burner from firing if there is inadequate water flow
through the main heat exchanger.
DHW PRE-HEA
T:
DHW
Comfor
t
selected: W
ith no demand for DHW the boiler will fire
periodically for a few seconds to maintain the DHW plate heat exchanger in
a heated condition. This feature will automatically adjust to the user’s habitual
requirements. Thus during long periods of no DHW draw-off, eg overnight, no
pre-heat is provided. DHW
Economy
selected: No pr
e-heat is provided.
Upon completion of commissioning and testing the system, the installer must
instruct the user in how to operate the appliance by drawing the user's
attention to the following.
a)
Give the 'Users Instr
uctions' to the householder and emphasise their
responsibilities under the 'Gas Safety (Installation and Use) Regulations or
rules in force.
b)
Explain and demonstrate the lighting and shutdown pr
ocedures.
c)
Advise the householder on the ef
ficient use of the system, including the
use and adjustment of all system controls for both CH and DHW.
d)
Advise the user of the pr
ecautions necessary to prevent damage to the
system, and to the building, in the event of the system remaining
inoperative during frost conditions.
5.10
BOILER LOGBOOK
A logbook is supplied with this appliance to r
ecord installation and
commissioning details and to make future servicing of the appliance
easier.
This logbook forms part of the industry's Benchmark code of practice for
the installation, commissioning and servicing of central heating systems.
Please ensure that the logbook is fully completed and left with the
customer for future reference, along with Users Instructions and this
Installation and Servicing Instruction manual.
5.11
CONVERSION INSTRUCTIONS
Appliance conversion fr
om one gas group to another is only possible for
category II2H3P appliances; these may be converted between Propane
and natural gas by use of conversion kits. the kits comprise the following.
Propane to Natural Gas - Kit Number: 955095
• Main Burner Injectors 1.35 mm Ø x 13
• Gas Control Valve
• Boiler Chip Card Nat. Gas
• Flue Restrictor Ring 47 mm Ø
• Data Badge (Nat. Gas)
• Conversion Instructions
Natural Gas to Propane
• Main Burner Injectors 0.9 mm Ø x 13
• Gas Control Valve
• Boiler Chip Card Propane
• Flue Restrictor Ring 43 mm Ø
• Data Badge (Propane)
• Conversion Instructions
Instructions on how to convert the appliance is given in the conversion
instructions supplied with these kits. However, particular attention should
be given to the fitting of flue restrictors and to the use of the Boiler Chip
card.
For further information contact: Halstead Boilers Ltd, Service Help Line,
01926 834 834
FIT BALL STUDS TO
FRONT PANEL
3 HOLES ON
EACH SIDE PANEL
WILL HAVE RUBBER
GROMMETS FITTED
BY THE INSTALLER
19
