VOKERA Mynute, Mynute 10e, Mynute 14e, Mynute 20e, Mynute 12e User Instructions
...
THESE INSTRUCTIONS
TO BE RETAINED
BY USER
Vokèra is a licensed member of the Benchmark scheme
which aims to improve the standards of installation and
commissioning of domestic hot water systems in the UK.
Mynute
Standard efficiency system boiler
12e - 16e - 20e
Users
Instructions
1
Mynute
INTRODUCTION
Page
Dear customer 2
Do’s and don’t’s 2
1.1 gas appliances 3
1.2 electrical supply 3
1.3 guarantee registration card 3
1.4 benchmark log book 3
1.5 how does it work? 3
1.6 dimensions 3
1.7 clearances 3
2.1 before switching on 4
2.2 appliance controls 4
2.3 lighting the boiler 4
3.1 top-up the system 5
3.2 reset the appliance 5
3.3 shut down the system for short periods 5
3.4 shut down the system for long periods 5
3.5 care for the appliance 5
4.1 I suspect a gas leak 6
4.2 I frequently have to top-up the system 6
4.3 the reset light is on 6
4.4 the appliance is due its annual service 6
4.5 I need to call an engineer 6
5.1 Mechanical clock 7
5.2 Digital clock 8
5.3 Twin channel programmer 10
Contents
Introduction
Things you should know
Getting started
How to....
What if....
Setting the Vokera...
2
Mynute
INTRODUCTION
Dear Customer
Your Mynute boiler has been designed to meet and exceed the very latest standards in gas central heating technology,
and if cared for, will give years of reliable use and efficiency. Please therefore take some time to read these instructions
carefully.
Do’s and Don’ts
● Do ensure that the system pressure is periodically checked
● Do ensure that you know how to isolate the appliance in an emergency
● Do ensure that you are familiar with the appliance controls
● Do ensure that your installer has completed the appliance log book
● Do not attempt to remove the appliance casing or gain internal access
● Do not hang clothes etc. over the appliance
Fig. 1
mode
switch
variable
thermostat
pressure
gauge
Vokera
clock or
programmer
(if fitted)
reset/warning
light
3
Mynute
1.1 GAS APPLIANCES
Gas Safety (Installations and Use) Regulations.
In the interests of your safety and that of others it
is a legal requirement that all gas appliances are
installed and correctly maintained by a competent
person and in accordance with the latest regulations.
1.2 ELECTRICAL SUPPLY
Please ensure that this appliance has been properly connected to the electrical supply by means of
a double pole isolator or un-switched socket, and
that the correct size of fuse (3 amp) has been
fitted.
Warning: This appliance must be earthed!
1.3 GUARANTEE REGISTRATION CARD
Please take the time to fill out your guarantee
registration card. The completed warranty card
should be posted within 30 days of installation.
1.4
BENCHMARK
LOG BOOK
The
Benchmark
Log Book is supplied with your
boiler. This important document must be completed
during the installation/commissioning of your boiler.
All CORGI Registered Installers carry a CORGI ID
card and have a registration number. Both shoulf be
recorded in your
Benchmark
Log Book. You can
check your installer by calling CORGI direct on
01256 372300. Failure to install and commission the
appliance in accordance with the manufacturers
instructions may invalidate the warranty. This does
not affect your statutory rights.
1.5 HOW DOES IT WORK?
Your Mynute boiler is a central heating boiler,
which supplies heated water to your radiators and
hot water cylinder.
It is controlled by the time clock or programmer
and any thermostats that your installer may have
fitted.
The Mynute lights electronically and does not
have a pilot light.
In the unlikely event of a fault developing with your
boiler, the supply of gas to the burner will be
terminated automatically.
THINGS YOU SHOULD KNOW
1.6 DIMENSIONS
HEIGHT 740mm
WIDTH 366mm
DEPTH 315mm
1.7 CLEARANCES REQUIRED
ABOVE 150mm
BELOW 150mm
SIDES 12mm
FRONT 600mm
4
Mynute
GETTING STARTED
2.1 BEFORE SWITCHING ON
Before switching the appliance on please familiarise yourself with:
● How to isolate the appliance from the gas,
water, and electricity supplies.
● How to check and top-up – if necessary – the
system water pressure.
● The time clock or programmer.
● Any external thermostats and their functions.
● The appliance controls.
2.2 APPLIANCE CONTROLS (see fig. 1)
The appliance controls are concealed behind the
front flap. To gain access to the controls simply
press the bottom centre of the flap and lift upward
to engage the holding clip.
The appliance has a mode switch, variable thermostat, system pressure gauge, and an aperture
for an integral clock or programmer. The mode
switch has three positions:
● Reset
● Off
● On
The variable thermostat allows you to set the
temperature of the water to your radiators and hot
water cylinder (not the hot water to your taps!)
between 40ºC (min) and 80ºC (max).
The pressure gauge shows the current pressure
of the system, the gauge should be set between 1
and 1.5 BAR. When the appliance is operating the
gauge may rise or fall slightly, this is quite normal.
The minimum permissible level for the safe and
efficient operation of the appliance is 0.5 bar.
Should the pressure fall below 0.5 bar, the boiler
shuts off automatically.
Depending on the type of controls specified by
your installer you may have an integral Vokera
time clock or programmer fitted to the appliance,
if so, instructions can be found on pages 6-10. If an
external time clock or programmer has been fitted,
please refer to the instructions supplied with such.
2.3 LIGHTING THE BOILER
Ensure the gas and electrical supply to the boiler
are turned on.
Turn the mode switch to the ‘on’ position. Refer to
the particular instructions for the type of programmer or time clock fitted and ensure there is a
demand for heating and/or hot water. If there is a
room thermostat and/or hot water cylinder thermostat you should ensure these are also calling
for heat.
When there is a demand for heating and/or hot
water via the above controls the boiler will go
through an ignition sequence, whereby the burner
will light.
If the appliance fails to ignite during the ignition
sequence, allow a period of two minutes before resetting.
To adjust the output temperature of the appliance
turn the thermostat knob clockwise to increase or
anti-clockwise to decrease.
When the appliance reaches the set temperature,
the burner will go off for minimum period of approximately 3 minutes.
When the programmer/time clock or external thermostats heating request has been satisfied, the
appliance will switch off automatically.
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