23 MOV v.19
23 MTV v.19
Wall-hang non-condensing boiler
Power 8,5 - 23,3 kW
Flow heating HW
Gepard
version
User manual
EN
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CONTENTS
STUDY THIS MANUAL CAREFULLY
Read me1 ..................................................................................................... 3
Welcome1.1 ........................................................................................... 3
User’s quick start manual1.2 ................................................................. 3
Commissioning the boiler2 ........................................................................... 3
Description of the device2.1 .................................................................. 3
Commissioning the boiler2.2 ................................................................. 5
Shutting down the boiler2.3 ................................................................... 5
Manufacturer’s documentation3 ................................................................... 5
Storing of documents3.1 ........................................................................ 5
Explanation of symbols3.2 ..................................................................... 6
Safety regulations4 ....................................................................................... 6
What to do if you smell gas?4.1 ............................................................ 6
Safety regulations4.2 ............................................................................. 6
Warranty / Obligations5 ................................................................................ 7
Warranty details5.1 ................................................................................ 7
Using the device / Obligations of the manufacturer5.2 .......................... 7
Recycling6 .................................................................................................... 7
Packing list7 ................................................................................................. 8
HOW TO USE THE BOILER
Using the equipment8 .................................................................................. 9
Overview8.1 ........................................................................................... 9
Turning on and off8.2 ............................................................................. 9
User settings8.3 ..................................................................................... 9
Regulation of the boiler8.4 … ............................................................... 10
Boiler connection parameters8.5 ..........................................................11
Connecting the boiler to the CH, HW and gas piping8.6 ......................11
Operating pressure in the heating circuit8.7 ........................................ 12
Admitting water into the heating circuit8.8 ........................................... 12
Discharging water from the boiler8.9 ................................................... 12
Expansion tank8.10 ............................................................................... 12
Safety valve8.11 .................................................................................... 13
Hooking up gas8.12 ............................................................................... 13
Operating sketch of 23 MOV8.13 .......................................................... 14
Operating sketch of 23 MTV8.14 ........................................................... 15
Air and exhaust lines8.15 ...................................................................... 16
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CONTENTS
Connecting the boiler to the electricity supply8.16 ................................ 21
Boiler wiring diagram8.17 ...................................................................... 23
NEED HELP?
Troubleshooting9 ........................................................................................ 24
Safety regulations10 ..................................................................................... 26
Servicing and maintenance of the boiler11 .................................................. 26
Cleaning11.1 ......................................................................................... 26
Regular servicing11.2 ............................................................................ 26
Replacement parts11.3 ......................................................................... 26
Regulations12 .............................................................................................. 26
Converting to different fuel13 ....................................................................... 27
Contact your sales service centre14 ............................................................ 27
Available system pressure15 ....................................................................... 27
Technical parameters16 ............................................................................... 28
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STUDY THIS MANUAL CAREFULLY
Read me1
Welcome1.1
This manual is part of the equipment and
following installation it must be provided
to the user in compliance with valid
regulations.
Study the handbook carefully to ensure
a safe installation, safe use and proper
service. We are not responsible for any
damage resulting from failure to follow the
instructions presented in this handbook.
mode
–
+
Gepard
3
5
2
4
6
1
reset
User’s quick start manual1.2
We have prepared this User’s manual to
help you start to use your equipment right
away.
It is assumed in this manual that the
equipment has been installed and
commissioned by a qualifi ed technician.
i
Study closely the “Safety”
and “Warranty” chapters,
which contain important safety
information.
1 RESET key
2 MODE key
3 Display
4 " - " key
5 " + " key
6 Main switch
Commissioning the boiler2
Description of the device2.1
GEPARD boilers are compatible with
the usual types of hot water circuits and
radiators.
A network of service providers who
meet the mentioned requirements work
under contract to the manufacturer to
commission the boilers and to provide
warranty and after-warranty service.
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The boiler (as well as all its optional
accessories) complies with the
requirements of European Directive
90/396/EEC on gas-fuelled appliances
and European Directive 92/42/EEC
on effi ciency, the European Directive
2006/95/EC on electrical means of
operation for use in certain voltage ranges
and the European Directive 89/336/EEC
on electromagnetic compatibility.
The appliance is also approved according
to the European norms EN 677, EN 625,
EN 60335-01, EN 50165, EN 55014, EN
61000-3-2 and EN 61000-3-3.
In order to operate and handle the boiler
in accordance with the purpose for which
it is designed in actual conditions of use
(hereafter referred to only as use), it is
necessary to abide also by additional
conditions – the most essential of which
(i.e. those which must not be omitted)
are found in the following regulatory
documents:
- in the design area: STN 06 0310 and
STN 06 0830;
- in the fi re safety area: STN 92 0300;
- for installation and fi tting (and repairs):
STN EN 1755 or STN 38 6460, as
applicable STN 38 6462, Decree no.
48/1982 Coll. (as amended by the
later prescriptions) and the binding
occupational health regulations;
- in time of running and operation: STN 38
6405;
- in the area of discharge of combustion
gases and air infl ow STN EN 483,
company material – “catalogue of dual
piping for discharge of combustion gases
and infl ow of combustion air designated
for type C gas appliances, i.e. in closed
“TURBO” version.
The boiler is designated for operation
within the normal AA5/AB5 environment in
compliance with STN 33 2000-3 and STN
33 2000-5-51 (i.e. a temperature range of
5 – 40°C, temperature-dependent humidity
to a max. of 85%).
GEPARD boilers are suitable for the
conditions of zones 1, 2 and 3, in rooms
with a bath or shower and in washing
areas as set out in STN 33 2000-7-701;
they may not be installed in zone 0 (Fig.8).
Before installation in the areas mentioned,
protection against electric shocks must be
provided for according to the same norms.
The boiler complies with Ministry of Health
Decree No 13/1977 Coll., i.e. on noise, for
installation in residential and public areas.
The boilers are built to operate with
heating water, in compliance with STN 07
7401. (Above all, the water must never
be acidic, i.e. its pH must be higher than
7 and it should have minimal carbonate
hardness.)
The requirements regarding the
characteristics of domestic water are
set out in STN 83 0616 (potable water
STN 75 7111). With regards to water with
total material concentrations of calcium
and magnesium greater than 1.8 mmol/l,
further “non-chemical“ measures against
scale deposits (e.g. operation of magnetic
water treatments in combination with
settling equipment) are advisable.
Silting up of the boiler with contaminants
from the heating system or the settling of
boiler scale on these disturbances, or on
induced disturbances (e.g. silting up of the
exchanger, pump breakdowns) are not
covered by the boiler warranty.
The distance from fl ammable materials
(e.g. PVC, fi breboard, polyurethane,
synthetic fi bres, rubber etc.) must be
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suffi cient to keep the surface temperature
of these materials below 80°C.
The minimum working (unhindered) space
in close proximity to the boiler must be
such that the boiler can be worked with
easily and safely with bare hands and with
the usual hand tools; we recommend a
minimum distance of 300 mm from up and
under, 10 mm from side and a minimum of
600 mm in front of the boiler.
CH (heating) + HW (hot water) -
The GEPARD boilers supplies both central
heating and hot water for the home.
Non-condensing boiler with exhaust vented to a chimney
Model MOV must be fi tted to a ventilation
system (chimney). The boiler comes
equipped with a safety device that shuts
off the gas feed if the chimney becomes
blocked.
Non-condensing boiler with forced extraction of exhaust.
The MTV model is gas model fi tted with
a ventilation system for the intake of air
and the venting of exhaust. Thanks to
this ventilation system, the heater can be
installed in any space.
If the ventilator fails or if the chimney
becomes blocked, the pressure switch
shuts down the heater.
The boiler must be installed and
commissioned by a qualifi ed technician.
This ensures proper installation and
operation in compliance with valid norms.
If any maintenance, repair or adjustments
concerning the gas are needed, a qualifi ed
technician must be called.
PROTHERM has developed tailor-made
accessories that will help you use your
heater with maximum effi ciency.
Commissioning the boiler2.2
Installation of the boiler and its fi rst start-
up must be carried out by authorised
service personnel only!
If you wish to start the boiler after it has
been commissioned, ensure that:
It is hooked up to the electricity supply -
All the shut-offs and valves (CH, HW, gas) under the boiler are open
The CH pressure is within the recommended range of 1 – 2 bar.
Shutting down the boiler2.3
Turn off the master switch.
If the boiler is to be shut down for an
extended time, close all the valves
(CH, HW, gas) underneath it. The shutdown must take into account the water
temperature in the boiler and the outside
temperature in the given season. If there
is a danger of frost, drain all water from
the boiler, the heating system and the hot
water piping (see the paragraph 8.9 on
page 12).
Manufacturer’s documentation3
Storing of documents3.1
This manual must be stored near the •
equipment to allow it to be accessed
when needed. If you should move
house, you must leave this manual
near the device in order to allow the
new owners to fi nd it.
To ensure safe and effi cient use of •
your boiler, study the instructions and
observe them carefully
We bear no responsibility for damages
resulting from failure to observe the
instructions.
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Explanation of symbols3.2
a
DANGER: Risk of injury.
e
DANGER: Risk of electric
shock.
b
PCAUTION: Risk of damage
to the equipment or its edge
parts.
i
IMPORTANT: Useful
information.
Safety regulations4
What to do if you smell gas?4.1
If you smell gas:
Do not search for the leak with an open fl ame.
Do not turn on any electrical switches, telephones or any other devices that
could spark an explosion.
Immediately open all windows and doors to ventilate the area.
Shut off the fl ow of gas at the safety -
valve.
Alert all other persons in the building. -
Call from outside from your house the emergency assistance services of your
gas supplier.
Safety regulations4.2
The following regulations and safety
instructions must be observed:
Never tamper with the safety devices.•
Do not modify the equipment or its •
immediate surroundings, as this could
affect the safe use of the boiler.
Do not under any circumstances •
destroy or remove the sealing from any
of the parts.
Never carry out alone any maintenance •
or repairs to the equipment. Only
qualifi ed technicians may work with the
equipment.
Be careful not to allow children to play •
with the boiler.
Do not plug or obstruct the ventilation •
system.
Some home “improvements” may
signifi cantly affect the functioning of
the boiler. Before carrying out any such
intervention you must consult with the
installer.
Do not site the equipment in excessive •
dampness.
Do not use and do not store explosive •
or fl ammable materials (e.g. gasoline/
petrol, aerosols, thinners, chlorinebased cleaning agents, paints, glues
etc.) in the same space as the boiler.
Under certain conditions these
materials may be corrosive.
Do not touch the equipment surfaces •
- e.g. the ventilation pipes, hydraulic
connectors and so on — even after the
boiler has been turned off, as these
surfaces may be hot. Touching these
surfaces may lead to burns or scalding.
Be prudent when using the hot water •
tap. Water coming out of this tap may
be scalding.
This equipment contains metal parts
(components). In working with it and in
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cleaning it, particularly its corners, you
must be careful.
If water leaks from the unit you must •
immediately turn off the cold water
intake and the leak must be repaired by
a qualifi ed technician.
Do not store any objects on top of the •
equipment.
Warranty / Obligations5
Warranty details5.1
PROTHERM’s Gepard boiler is covered
by warranty as set out by the Warranty,
Service log and other conditions listed in
the service and installation manuals.
Using the device / Obligations of 5.2
the manufacturer
The above-specifi ed warranty is valid if:
The equipment was installed by a qualifi ed technician in accordance with
the installation guidelines.
The equipment is used for domestic purposes and in compliance with the
operation and maintenance instructions
of the manufacturer.
All servicing, maintenance, repairs, dismantling of or working with the
equipment during the warranty period
is carried out by a qualifi ed technician
only.
Repairs or replacement of parts during the warranty period do not extend that
period.
The manufacturer bears no responsibility
whatsoever for any damages resulting
from:
Any type of damage arising from incorrect or incomplete installation,
inadequate servicing or incorrect hook
up of gas or water.
Any type of damage to a system to which the equipment is connected.
Any type of damage caused by incorrect protection against freezing.
Any type of damage or faulty set-up caused by changes of character or
pressure of gas or water or changes in
electric voltage.
For further information please study the •
Conditions.
a
This equipment may be
installed only in countries
listed in the descriptive
plaque.
Recycling6
Most of the boiler is comprised of
recyclable materials.
The equipment packaging must be
properly recycled.
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Packing list7
1
2
3
6
7
4
5
8
9
Legend
1 Boiler
2 Draw bar
3 Exhaust gas diffuser (only for MTV)
4 Sealing
5 Template
6 Butt-end of water intake
7 Butt-end of outlet valve
8 Service manual
9 Warranty
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HOW TO USE THE BOILER
HOW TO USE THE BOILER
Using the equipment8
Overview8.1
Turning on and off8.2
The boiler is turned on and off at the main
switch, which is located on the control
panel of the boiler.
Display icons8.2.1
When you turn on the boiler, the display
shows the current status of the boiler:
if the boiler is not lit (do not heat HW eighter CH) - so called ˝stand-by˝
mode, the display shows the current
water pressure in the heating system
and tap symbol and radiator symbol on
the left side of the display
while heating CH, the symbol fl ame is -
light in bottom left side and the radiator
icon will begin to fl ash; the display
will show the real-time CH water
temperature
while heating HW, the upper right corner will show the fl ame icon and the
water tap icon will begin to fl ash. The
display will show the real-time water
pressure in the system
if the pressure of the heating water in the system falls below 0.5 bar, the
radiator symbol and current water
pressure value begins fl ash together. If
the pressure in the system falls furthest,
then when pressure falls below 0.3 bar
the radiator symbol and water pressure
value 0.0 bar begins fl ash together. In
this situation the system pressure must
be topped up by letting in water. Once
the pressure in the system reaches a
value of 0.5 bar, display shows realtime status of the boiler again
if pressure rises above 2.4 bar, the real-time pressure reading begins to
fl ash. In this case the water pressure
in the heating system must be lowered
by draining water. Once the system
pressure falls below 2.4 bar the display
will again portray the real-time status of
the boiler.
User settings8.3
Choice of heating mode8.3.1
The GEPARD boiler can work in various
modes:
heating mode - press the MODE key once. The display will portray the realtime pressure in the system and the
radiator icon. In this mode the boiler
heats only CH water; HW heating is
locked out
SUMMER mode - press the MODE key twice. The display will portray the water
tap icon and the real-time pressure in
the system. In this mode, the boiler
responds only to requests for hot water;
the central heating is locked out
VACATION mode - press the MODE key three times. The display will show
only the real-time pressure in the
system and OFF symbol. In this mode,
both hot water and the central heating
are locked out. All the protective
functions of the boiler are active.
Setting the hot water 8.3.2
temperature
Press the (+) or (-) key, and the tap
icon will begin to fl ash and °C. Pressing
the (+) or (-) keys sets the desired HW
temperature anywhere in the range of 38 60°C, at one-degree increments.
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