Wolf ComfortLine CNK, FunctionLine Series, ComfortLine CNK-CB, ComfortLine CNU, ComfortLine CNU-CB Installation And Maintenance Instructions Manual
...
Installation and
maintenance instructions
ComfortLine
FunctionLine
Steel boilers up to 63 kW
Technology serving Mankind
Wolf GmbH · Postfach 1380 · 84048 Mainburg · Tel. +49 8751/74-0 · Fax +49 8751/741600 · Internet: www.wolf-heiztechnik.de
12/03 TV GB
Part.-No. 30 60 917 Subject to modifications
2
Index
Index .............................................................................................................................. Page
Reference symbols / Safety instructions ............................................................................................3
Standards / Regulations ..................................................................................................................... 4-5
ComfortLine steel boilers ........................................................................................................................6
FunctionLine steel boilers ......................................................................................................................7
Installation ............................................................................................................................................ 8-9
Boiler installation on a plinth .............................................................................................................10
Boiler installation on a horizontal DHW cylinder...........................................................................11
Boiler assembly ...............................................................................................................................12-15
ComfortLine decorative panel installation................................................................................ 16-17
FunctionLine decorative panel installation.....................................................................................18
Flue pipe installation ............................................................................................................................19
Central heating boiler connections................................................................................................... 20
DHW cylinder to boiler pipework ....................................................................................................... 21
Filling the heating system............................................................................................................22-23
Draining the heating system .............................................................................................................. 24
Pressure jet oil burner installation / electrical supply .................................................................. 25
Initial start-up ........................................................................................................................................ 26
Commissioning report ..........................................................................................................................27
Maintenance ...................................................................................................................................28-29
Maintenance log............................................................................................................................. 30-31
Specification....................................................................................................................................32-33
Dimensions ......................................................................................................................................34-35
Troubleshooting .....................................................................................................................................36
3
Reference symbols / Safety instructions
The following symbols are used in conjunction
with these important instructions concerning
personal safety and technical reliability.
"Safety instructions" are
instructions with which you
must comply exactly, to prevent
injury and material losses.
Danger through "live" electrical
components.
Please note: Switch OFF the ON/
OFF switch before removing the
casing.
Never touch electrical
components or contacts when
the switch is in the ON position.
This creates a risk of
electrocution, which may cause
injury or death.
The main supply terminals are
"live" even when the ON/OFF
switch is in the OFF position.
This indicates technical
instructions which you must
observe to prevent material losses
and boiler malfunctions.
In addition to the installation instructions,
operating instructions and adhesive labels
are included or fitted to the boiler. These
must also be observed.
Note
General
Authorised personnel should read these
instructions before any installation,
commissioning or maintenance work.
Adhere to the instructions given in this
document.
Non-observance of these installation
instructions voids any guarantee offered by
WOLF.
Safety instructions
• Only use qualified and trained personnel
for the installation, commissioning and
maintenance of the boiler .
• In accordance with DIN EN 50110-1, work
on electrical components (e.g. control units)
may only be carried out by qualified
electricians.
• The regulations of VDE/ÖVE and those of
your local electricity supplier as well as all
other local regulations are applicable to
electrical installation work.
• Only operate the boiler within its output
range which is stated in the specification
supplied by WOLF .
• Appropriate use of the boiler refers to the
exclusive use for hot water heating systems
in accordance with DIN 4751.
• Never remove, bypass or otherwise disable any
safety and monitoring equipment.
• The boiler may only be operated in perfect
technical condition. Any faults and damage
which may impact on safety which might
limit the safe use of the equipment must be
remedied immediately by a qualified
contractor.
• Only replace faulty components or
equipment with original WOLF spare parts.
4
Standards / Regulations
Standards and regulations
Observe all current Building Regulations and
other local requirements.
Only recognised heating contractors may install
WOLF boilers. This heating contractor will also
be responsible for the proper installation and
the commissioning of the heating system.
The boilers described in these installation
instructions are low temperature boilers
according to HeizAnlV and 92/42/EEC
(Efficiency of Hot Water Boilers).
Locate the enclosed operating instructions in a
clearly visible position in the boiler room.
Boilers may only be installed and operated in
boiler rooms which are suitable according to
the Landes-FeuVo [or local regulations].
The following regulations, rules and guidelines
must be observed during installation:
• Boiler room guidelines or Building
Regulations relating to the construction
and installation of central boiler rooms and
fuel storage facilities.
• Energy Savings Act (EnEG) and related
directives (Heating Systems Order).
• DIN standards
DIN 1988 Technical rules for DHW
installations
DIN 4701 Rules for calculating the heat
demand of buildings
DIN 4751 Part 3 - Safety Equipment
for heating systems with flow
temperatures up to 95 °C
DIN 18160 Domestic chimneys
• VDE requirements:
VDE 0100 General information
regarding the installation of
HV systems with rated
voltages up to 1000V
VDE 0105 Operation of HV systems,
general considerations
VDE 0722 Electrical equipment of
non-electrically heated
heat generators
VDE 0470/ Protection through housings
EN 60529
EN 60335-1 Safety of electrical
equipment for domestic use
and similar purposes
Note: Please read these instructions
carefully before the installation and
keep them in a safe place.
5
Steel boilers
according to DIN EN 303 as well as in accordance with EC Directive 90/396/EEC (gas consuming
equipment), 73/23/EEC (Low Voltage Directive), 89/336/EEC (EMC Directive), 92/42/EEC (Efficiency of
Hot Water Boilers) and 93/68/EEC (Identification Directive) for heating systems with heating circuit
pumps and flow temperatures up to 110 °C and 3 bar permissible operating pressure in accordance
with DIN 4751 and DHW cylinder pressure (max. 10 bar) in accordance with DIN 4753.
For the operation with pressure jet gas burners, the following gas device categories apply:
Standards / Regulations
Country abbreviation Country Gas device category
DE Germany II
2ELL3B/P
AT Austria II
2H3B/P
LU Luxembourg I2E or I
3+
The NOx limits required by the 1st BImSchV para. 7(2) are maintained.
6
ComfortLine steel boilers
Oil and gas-fired steel boiler, type CNK
(boiler plinth, accessory)
Oil and gas-fired steel boiler, type CNK-CB
incl. DHW cylinder
Oil and gas-fired steel boiler, type CNU
incl. pressure jet oil burner
(boiler plinth, accessory)
Oil-fired steel Unit boiler, type CNU-CB
incl. DHW cylinder
and pressure jet oil burner
7
Oil and gas-fired steel boilers, type FNK
(boiler plinth, accessory)
Oil and gas-fired steel boiler, type FNK-FB/FE
incl. DHW cylinder
Oil-fired steel Unit boiler, type FNU
incl. pressure jet oil burner
(boiler plinth, accessory)
Oil-fired steel Unit boiler, type FNU-FB/FE
incl. DHW cylinder
and pressure jet oil burner
FunctionLine steel boilers
8
Installation
The ventilation air supply must be
ensured and comply with local
regulations or those relating to
gas installations. We recommend
that you supply the boiler with
fresh air directly from the outside.
An insufficient fresh air supply
can lead to fuel gas escaping,
which represents a risk to life
(poisoning/suffocation).
Clearances towards walls and
combustible materials must comply
with local fire regulations, and
should be at least 200mm,
otherwise there is a high risk of
fire.
General tips regarding location
• Install the boiler with or without the DHW
cylinder on a level surface which is substantial
enough to carry its weight.
• Position the boiler and DHW cylinder (if
installed) horizontally or slightly rising
towards the back to ensure adequate venting
of any trapped air (level with adjustable
feet).
Only install the boiler and DHW
cylinder (if installed) in a room safe
from the risk of frost.
Drain the boiler, the DHW cylinder
and the entire heating system if
there is a risk of frost, when the
system has been shutdown, to
prevent pipes from bursting.
Boilers should not be installed in
areas subject to aggressive vapours,
very dusty or highly humid
conditions (workshops, washrooms,
hobby rooms etc.). This prevents the
optimum burner function from
being achieved.
The combustion air supplied to the
pressure jet oil burner must be free
from halogenated hydrocarbons
(e.g. as contained in sprays,
solvents, cleaning fluids, paints
and adhesives). Under the most
unfavourable conditions, these
may lead to pitting of the boiler
and even the flue gas system.
Never store or use combustible
material or liquids near the boiler.
Note
Note
9
1000
900
400
Installation
Transportation into the boiler room
To ease the transportation into the boiler
room, lifting slings with lifting hooks are offered
as accessories.
Only lift the boiler using all four
lifting slings.
Lifting eyes for lifting slings
Recommended minimum wall clearance
Note
Boiler installation on adjustable feet
At the factory the boiler is equipped with four
adjustable feet.
• Level the boiler with adjustable feet
(accessory) horizontally or with a slight
incline to the rear.
Adjustable
bolt
Feet
(accessory)
Adjustable bolt/ feet
Recommended minimum wall clearance
Maintain a minimum clearance between the
boiler sides and walls of 400 mm to enable the
boiler door with fitted burner to be opened.
Ensure that sufficient space is available for
cleaning and maintenance.
10
Boiler
Thermal insulation, boiler
Thermal insulation, boiler back
Thermal insulation, boiler front
Side casing
Control unit bracket
Boiler door
Back wall casing
Boiler installation on a plinth
2
3
4
5
Control unit housing
Casing cover
Spring shackles
Front casing
Type plate
Wolf logo
Plinth (accessory)
6
8
9
10
11
12
13
1
7
14
15
2
6
9
1
5 5
3
14
15
13
13
7
10
11 11
12
4
8
11
2
6
9
1
5 5
3
14
15
13
13
7
10
11 11
12
4
8
Boiler installation on a horizontal DHW cylinder
Boiler
Thermal insulation, boiler
Thermal insulation, boiler back
Thermal insulation, boiler front
Side casing
Control unit bracket
Boiler door
Back wall casing
2
3
4
5
Control unit housing
Casing cover
Spring shackles
Front casing
Type plate
Wolf logo
Horizontal DHW cylinder
6
8
9
10
11
12
13
1
7
14
15
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