Wolf CGG-1K-24 Manuale utente
Installation and
operating instructions
Gas red wall mounted boiler
CGG-1K-24/28
Part no. 30 62 087 Subject to modications
Wolf GmbH · Postfach 1380 · D-84048 Mainburg · Tel. +49-8751/74-0 · Fax +49-8751/741600 · Internet: www.wolf-heiztechnik.de
11/08 GB
23062087_1108
Index
General information
Safety instructions / Standards and regulations............................................ 3-4
Operation
Control / Function / Operation...........................................................................5
Installation
Dimensions / Installation dimensions................................................................6
Layout CGG-1K-24/28 .................................................................................. 7-8
Positioning information / Installation..................................................................9
Installation
On nished walls.............................................................................................10
On unnished walls.........................................................................................11
Flue gas buttery orice plate / Routing ventilation air / ue gas.............. 12-13
Power connection............................................................................................14
Commissioning
Filling the system ............................................................................................15
Commissioning / Checking the gas supply pressure ......................................16
Boiler settings and matching
Displaying / modifying control parameters ......................................................17
Limiting the maximum output ..........................................................................18
Selecting the pump stage.......................................................................... 19-20
Commissioning report .....................................................................................21
Inspection and maintenance
Inspection and maintenance / Service report..................................................22
Service report..................................................................................................23
Service ...................................................................................................... 24-25
Additional information
Conversion to other gas types .................................................................. 26-31
Flue gas test....................................................................................................32
Wiring diagram................................................................................................33
Specication....................................................................................................34
Fault / Cause / Remedy ..................................................................................35
EC Declaration of Conformity..........................................................................36
3
3062087_1108
The following symbols are used in conjunction with these
important instructions concerning personal safety as well
as operational reliability.
Safety instructions
This indicates technical instructions that you
must observe to prevent material losses and
boiler malfunctions.
NB
Danger through 'live' electrical components.
NB Switch OFF the ON / OFF switch before
removing the casing.
Never touch electrical components or contacts
when the ON / OFF switch is in the ON position.
This results in a risk of electrocution that may
lead to injury or death.
The main supply terminals are 'live' even when
the ON / OFF switch is in the OFF position.
"Safety instructions" are instructions with
which you must comply exactly, to prevent
injury and material losses.
Fig.: Terminal box: Danger from electric current
Fig.: Gas connection: Escaping gas may cause poisoning or the risk
of explosion
Fig.: Ignition transformer, high voltage ignition electrode, combustion
chamber
Risk of electrocution, risk of burning through hot components
Fig.: Gas combination valve
Danger from electric current
Escaping gas may cause poisoning or the risk of explosion
43062087_1108
Safety instructions / Standards and regulations
Please follow these safety instructions closely to prevent accidents and material losses.
Commissioning - Commissioning must only be carried out by the system installer or a commissioning
engineer designated by him. All actual values must be recorded in a commissioning/
service report that should be kept with these instructions.
Safety regulations - Observe all national safety regulations and installation requirements.
- Installation, commissioning, inspection, maintenance and repairs must only be carried
out by a competent person (heating engineer / installation contractor).
- Before working on the equipment / heating system, switch OFF the power supply
(e.g. by removing a separate mains fuse or by means of a main electrical isolator)
and safeguard against unauthorised reconnection.
- Disconnect the system by means of a device that isolates all non-earthed conductors
simultaneously with at least 3 mm contact separation.
- It is not permitted to carry out repairs on parts that full a safety function.
- Use only original WOLF replacement parts or those that are equivalent and that have
been approved by the manufacturer.
Instructing the system user - The system installer must hand the operating instructions to the system user and
instruct him/her in the operation of the system.
Standards and regulations Category: II2H3B/P, <PL> II2ELw3B/P, II2H3P
NOx class: 3
Efciency: (3 stars acc. to 92/42/EEC)
Flue types: C12x, C32x, C42x, C52, B32
Operating mode: Open ue / balanced ue
To be connected to: Chimney / balanced ue chimney / balanced ue
Standards Directives
EN 297 90/396/EEC
EN 483 2004/108/EC
EN 60 335-1 73/23/EEC
EN 50 165 92/42/EEC
EN 55 014
EN 61 000-3-2/-3
- Obtain the permission of your mains gas supplier and all relevant authorities prior to
the installation of Wolf gas red combi boilers.
- Open ue gas red boilers must only be installed in a room that complies with the
appropriate ventilation requirements.
5
3062087_1108
Control / Function / Operation
ON / OFF switch DHW temperatu-
re selector
Pressure
gauge
Reset
button
Heating water tempe-
rature selector
Illuminated
signal ring
Thermometer
In conjunction with the accessory controllers BM / AWT / ART, the settings at the boiler
relating to DHW and heating water are disabled.
Note:
Signal ring as
status display
9
1
28
3
7
4
6
5
DHW temperature selector
The settings 1-9 correspond to a DHW temperature of 40 to 60 °C. Combined with a
control thermostat for wall mounted gas red boilers, the adjustment at the DHW tem-
perature selector is disabled; instead the temperature is selected at the boiler control
thermostat.
28
3
7
4
6
5
Heating water temperature selector
The setting range 2-8 corresponds to a heating water temperature of 40 to 80 °C. Com-
bined with a control thermostat for wall mounted gas red boilers, the adjustment at the
heating water temperature selector is disabled; instead the temperature is selected at
the boiler control thermostat.
Emissions test mode
Turning the switch to position lets the boiler operate at maximum output. The illu-
minated signal ring ashes yellow for 15 minutes or until the maximum ow temperature
has been exceeded.
Summer mode
Switch set to circulation pump OFF (heating OFF); only DHW heating, frost pro-
tection, pump anti-seizing protection enabled, i.e. the circulation pump runs for approx.
30 s every 24 hours.
°C
0 120
bar
04
2
13
Thermometer/pressure gauge
The heating water temperature is displayed in the upper half, the heating system
water pressure in the lower half.
Setting Winter mode (position 2 to 8)
The circulation pump operates in heating mode.
Display Explanation
Flashing green Standby (power supply ON, burner OFF)
Constant green light Heat demand: pump running, burner OFF
Flashing yellow Emissions test mode
Constant yellow light Burner ON, ame steady
Flashing red Fault
63062087_1108
Dimensions / Installation dimensions
1 Heating ow
2 DHW
3 Cold water
4 Heating return
5 Gas connection
Minimum clearances
Min.200Min.200
Min.40
190
393
855
73
134
5
2
3
1
4
176
440
170
694 257,5
39
49
344
512 3 4
120
7
3062087_1108
Layout
CGG-1K-24/28
Flue gas fan
Combustion chamber
Internal lling facility
(optional)
Gas combination
valve
Expansion vessel
Three-way diverter
valve
Flow sensor 2
Limit thermostat
LAF connection ue gas
buttery orice plate
Monitoring elec-
trode Ignition electrode
Heating water heat
exchanger
Differential pres-
sure switch
Safety valve
Drain valve
DHW ow &
temperature sensor
Flow sensor 1
Flue gas collec-
tor box
Gas burner
Heating circuit
strainer
Cold water strainer with
throughput limiter
Heating circuit pump
Air vent valve
Bypass
83062087_1108
Layout
Heating water heat
exchanger
Gas burner
Gas combination
valve
Expansion vessel
Air vent
Heating circuit
pump
DHW heat ex-
changer
Safety valve
Drain valve
Heating circuit
strainer
Cold water strainer with
throughput limiter
Limit thermostat
Flow sensor 2
Flow sensor 1
Three-way diverter valve
DHW ow
& temperature sensor
Bypass valve
Hydraulic as-
sembly
Overow valve
9
3062087_1108
Positioning information / Installation
- Determine the installation location for the gas red boiler;
maintain the specied minimum clearances (see the r.h.
diagram).
- Fit the installation template (paper poster) supplied to the
wall.
- Transfer the xing hole and connection positions marked
on the installation template to the wall (e.g. with a power
drill).
- Remove the installation template.
- Drill Ø 12 mm holes for the mounting bracket and secure the
bracket using the rawl plugs and screws supplied. (Before
securing the bracket, check that the rawl plugs are suitable
for the wall construction.)
- Remove the casing lid of the gas red boiler. For this, pivot
the control unit lid down, hook in the r.h. and l.h. turn buckle,
undo the bottom of the casing lid and unhook at the top.
- Hang the gas red boiler with the hook-in brace on the back
of the boiler into the mounting bracket.
General
The gas red boiler may only be installed in rooms that are
protected from frost.
During the boiler installation ensure that all xings
are sufciently strong to carry its weight. Also con-
sider the wall consistency, otherwise gas or water
may escape which could lead to explosions and
ooding.
During the boiler installation, ensure that no
contaminants (e.g. drilling swarf) enter the gas
red boiler otherwise faults may develop.
The combustion air supplied to the boiler must
be free from chemicals, e.g. uoride, chlorine or
sulphur. Such materials are contained in sprays,
solvents and cleaning agents. Under the most un-
favourable conditions, these may lead to corrosion,
even in the ue gas system.
Balanced ue gas red boilers must only be
installed in a room that complies with the appro-
priate ventilation requirements. Otherwise there
is a risk of asphyxiation or poisoning. Read
these installation and operating instructions
before installing the gas red boiler. Also take
the technical guide into consideration.
Fig.: Installation template
200
40
For installation of the gas red boiler inside a cupboard note
the following:
Never install the gas red boiler on the back wall of
the cupboard, as this component may not be sub-
stantial enough to carry the boiler weight. This would
create the risk of water and gas leaks which in turn
would result in a risk of explosion and ooding.
- Remove the back wall of the cupboard
Minimum clearance between the gas red boiler and the cup-
board sides 25 mm.
Installation inside a cupboard
l.h. turnbuckle r.h. turnbuckle
Fig.: Opening the turnbuckle
NB
10 3062087_1108
Installation
Gas connection
Laying the gas pipe as well as making the gas
connections must only be carried out by a licensed
gas tter. Close the gas ball valve on the gas red
combi boiler to pressure test the gas pipe.
Remove all residues from the heating pipework and
the gas pipe prior to connecting the gas red boiler,
particularly in older systems.
Prior to commissioning, test all pipe and gas con-
nections for leaks.
Inappropriate installation or using unsuitable com-
ponents or assemblies may lead to gas escaping,
which results in a risk of poisoning and explosion.
The gas valve can be subjected to a maximum
pressure of 150 mbar. Higher pressure may
damage the gas valve, resulting in a risk of ex-
plosion, asphyxiation or poisoning. Close the
gas ball valve on the gas red boiler to pressure
test the gas pipe.
Install a tested and certied pressure reducer,
if the cold water supply pressure is above the
maximum permissible operating pressure of 10
bar. Otherwise water could escape resulting in
a risk of ooding.
Fig.: Cold water connection in accordance with DIN 1988
Drain
Drain
Shut-off valve
Pressure reducing
valve
Shut-off valve
Cold water inlet
Pressure gauge port
Drinking water
lter
Safety valve
Cold water and DHW connection
For the cold water and DHW connection, we recommend the
installation in accordance with DIN 1988.
- Wolf connection sets (accessories) are available for installa-
tion on nished and unnished walls. The connection pipes
are Cu 18x1.
Hydraulic connections
Note: As standard, a combined cold water strainer with
throughput controller is tted at the cold water
connection of the boiler. (see Fig.)
Fig.: Throughput controller with cold water strainer
Installation on nished walls
Fig.: Front view, connection set for installation on nished walls
(part no. 86 12 188)
Heating ow
DHW
Cold water
Heating return
Gas connection
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