Slant/Fin VGH-80-CH Guide

RESIDENTIAL BOILER MODELS
VGH-80-CH / VGH-100-CH / VGH-120-CH / VGH-150-CH /
VGH-180-CH
VGH-90-CO / VGH-150-CO / VGH-200-CO
HIGH EFFICIENCY CONDENSING GAS BOILER
QUICK CONTENTS
FULL TABLE OF CONTENTS.............................................................3
1.0 SAFETY GUIDELINES...................................................................5
2.0 INTRODUCTION............................................................................8
3.0 HOW TO USE YOUR BOILER..........................................................11
4.0 DISPLAY AND BUTTONS.............................................................12
5.0 ERROR INFORMATION..................................................................20
HeatingContractor
Boiler Model Number
Address
Boiler Serial Number
PhoneNumber
InstallationDate
70.0 °F
59.0 °F
WARNING:
Ifthe information inthis
manual isnotfollowed
exactly,a fire orexplosion
may resultcausing property
damage,personalinjuryor
lossoflife.
- WHATTO DOIFYOU SMELLGAS
• Do nottry to lightany appliance.
• Do not touch any electricalswitch; do notuse any
phone inyour building.
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions
• Ifyou cannot reachyour gas supplier,callthe fire
department.
- Installation and service must be performed by a
qualified installer, service agency or the gas supplier.
California Proposition 65 Warning: ThisproductcontainschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,orotherreproductiveharm.
- Donotstore orusegasoline
orotherflammable vapors
and liquids in the vicinity of
this or any other appliance.
This manual must be left with owner and should be
hung on or adjacent to the boiler for reference.
USER’S INFORMATION MANUAL

3 E95.1901EN032 User manual Slant Fin VGH-CH / CO
TABLE OF CONTENTS
1SAFETY GUIDELINES ................................................................................................................................5
2INTRODUCTION..........................................................................................................................................8
TERMS AND ABBREVIATIONS ............................................................................................................... 8
MAINTENANCE AND INSPECTION.......................................................................................................... 9
On a Continuous basis.........................................................................................................9
On a Monthly basis..............................................................................................................9
On an Annual basis (every 12 months) ...............................................................................9
FOR INSTALLATIONS IN THE COMMONWEALTH OF MASSACHUSETTS.................................................... 10
3HOW TO USE YOUR BOILER ..................................................................................................................11
FUNCTIONAL INTRODUCTION............................................................................................................. 11
INSTALLATION AND SETTINGS............................................................................................................ 11
4DISPLAY AND BUTTONS.........................................................................................................................12
DISPLAY ICONS ................................................................................................................................ 12
SCREENS AND SETTINGS .................................................................................................................. 13
De-aeration sequence........................................................................................................13
CONTROL PANEL MENU STRUCTURE.................................................................................................. 14
Set Actual setpoint/DHW setpoint directly via the Status overview...................................15
Entering the menu..............................................................................................................15
Protected menu items........................................................................................................16
Language settings..............................................................................................................16
SERVICE REMINDER.......................................................................................................................... 17
MENU STRUCTURE DISPLAY .............................................................................................................. 17
5ERROR INFORMATION............................................................................................................................20
GENERAL......................................................................................................................................... 20
HOW AN ERROR IS DISPLAYED........................................................................................................... 20
ERROR LOGGING.............................................................................................................................. 21
BOILER HISTORY .............................................................................................................................. 22
LOCKOUT CODES.............................................................................................................................. 22
BLOCKING CODES ............................................................................................................................ 25
WARNINGS ...................................................................................................................................... 27

4 E95.1901EN032 User manual Slant Fin VGH-CH / CO
IMPORTANT
READ ALL OF THE FOLLOWING WARNINGS AND STATEMENTS BEFORE READING
THE INSTALLATION INSTRUCTIONS
Danger Sign: indicates the presence of an imminently
hazardous situation that will cause
death, serious personal injury or substantial property damage.
Warning Sign:
indicates the presence of a hazardous situation which can cause death,
serious personal injury or substantial property damage.
Caution Sign plus Safety Alert Symbol:
indicates a hazardous situation which will or can
cause minor or moderate personal injury or property damage.
Caution Sign plus a lightning bolt:
indicates the risk of electric shock and the potential of
hazards due to electric shock.
Notice Sign:
indicates special instructions on installation, operation or maintenance that are
important but not related to personal injury or property damage.
This Boiler must be installed by a licensed and trained Heating Technician or the Warranty
is void. Failure to properly install this unit may result in property damage, serious injury to
occupants, or possibly death.
DANGER
WARNING
CAUTION
CAUTION
NOTICE
WARNING

5 E95.1901EN032 User manual Slant Fin VGH-CH / CO
1 SAFETY GUIDELINES

6 E95.1901EN032 User manual Slant Fin VGH-CH / CO
CONSIGNES DE SÉCURITÉ.

7 E95.1901EN032 User manual Slant Fin VGH-CH / CO
This boiler is equipped with a pressure switch. I
n the event of a blocked vent the boiler
will lockout. No attempt by the user/owner may be made to put the boiler back into
operation. A qualified service technician must be notified of the issue. The boiler may
only be reset by a qualified service technician after they have diagnosed and corrected
the issued that caused the safety lockout of the boiler.
Should overheating occur or the gas supply fail to shut off, do not turn off or disconnect
the electrical supply to the circulator. Instead, shut off the gas supply at a location external
to the appliance.
We recommend the installation of a carbon monoxide (CO) detector in the boiler room
for all installations.
WARNING: There are no user serviceable parts on this boiler. Warranty does not cover
defects caused by attempts to service this boiler by someone other than a qualified gas
service technician. These attempts could cause property damage, personal injury or loss
of life.
Do not use this boiler if any part has been under water. Immediately call a qualified
service technician to inspect the boiler and to replace any part of the control system and
any gas control which has been under water.
WARNING: Improper installation, adjustment,
alteration, service or maintenance can cause
property damage, personal injury (exposure to
hazardous materials) * or loss of life. Installation
and service must be performed by a qualified
installer, service agency or the gas supplier (who
must read and follow the supplied instructions
before installing, servicing, or removing this
boiler. This boiler contains materials that have
been identified as carcinogenic, or possibly
carcinogenic, to humans).
AVERTISSEMENT: Une installation, un réglage, une
modification, une réparation ou un entretien non conforme
aux normes peut entraîner des dommages matériels, des
blessures (exposition à des matières dangereuses) ou la
mort. L'installation et l'entretien doivent être effectués par
un installateur ou un service d'entretien qualifié ou le
fournisseur de gaz (qui doivent avoir lu les instructions
fournies avant de faire l'installation, l'entretien ou
l'enlèvement de la chaudière et les respecter. Cette
chaudière contient des matériaux qui ont été identifiés
comme étant cancérogènes ou pouvant l'être).
WARNING: Crystalline Silica - Certain components in the combustion chamber may
contain this potential carcinogen. Improper installation, adjustment, alteration, service or
maintenance can cause property damage, serious injury (exposure to hazardous
materials) or death. Installation and service must be performed by a qualified installer,
service agency or the gas supplier (who must read and follow the supplied instructions
before installing, servicing, or removing this boiler. This boiler contains materials that
have been identified as carcinogenic, or possibly carcinogenic, to humans).
Scalding
Water temperatures over 125 ºF (52 ºC) can cause severe burns instantly, or death from
scalds. Children, the disabled and the elderly are at the highest risk of being scalded.
Feel water before bathing or showering.
Read this manual entirely before setting domestic hot water setpoint(s).
CAUTION
DANGER
NOTICE
WARNING
WARNING
DANGER
WARNING
Avertissement
DANGER

8 E95.1901EN032 User manual Slant Fin VGH-CH / CO
2 INTRODUCTION
This manual is written for the User. Slant/Fin is not accountable for any damage caused by failure to correctly
follow these instructions. For service and repair purposes use only original Slant/Fin spare parts. All
documentation produced by the manufacturer is subject to copyright law. This manual is subject to change
without notice.
Terms and abbreviations
In this manual the following terms and abbreviations are used:
A (Amp) Ampère
bar Unit of pressure
BCU Burner Control Unit
BTU British Thermal Unit
°C Degree Celsius
CH Central Heating / Heating Only
CO
1. Combi-boiler (CH & DHW)
2. Carbon monoxide
CO2Carbon dioxide
Combi A boiler providing a combination of central heating and domestic hot water
DB Domestic Boiler
DHW Domestic Hot Water
°F Degree Fahrenheit
LB Digit-based Liquid Crystal Display Board
LCD Liquid Crystal Display
LPG Liquefied Petroleum Gas
MBH 1000 BTUs per hour
mg Milligram
NOxMono-nitrogen oxides
PB Graphical Pixel Display Board
psi Pounds per square inch, a unit of pressure
Pump Circulator
RCF Refractory Ceramic Fibers
RT Room Thermostat
VAC Volt Alternate Current
VDC Volt Direct Current
W Watt, a unit of power
wc Water column

9 E95.1901EN032 User manual Slant Fin VGH-CH / CO
Maintenance and inspection
ON A CONTINUOUS BASIS
•Do not store or use flammable vapors or liquids, such as gasoline, in the vicinity of the boiler.
•Do not store or use in the boiler room and keep the boiler area free from the following items
Spray cans containing chloro-/fluorocarbons
Ammonium and/or ammonium solutions
Permanent wave solutions (hair product)
Chlorinated waxes and/or cleaners
Swimming pool chemicals based on chlorine
Calcium chloride used for thawing
Sodium chloride used for water softening
Refrigerant leaks
Paint or varnish removers
Hydrochloric acid/muriatic acid
Cements and glues
Antistatic fabric softeners used in clothes dryers
Chlorine-type bleaches, detergents, and cleaning solvents
found in household laundry rooms
Adhesives used to fasten building products and other similar products
•Do not expose the boiler to dust from construction or woodworking
ON A MONTHLY BASIS
•Visually inspect the venting system for proper size and horizontal pitch and determine there is no
blockage or restriction, leakage, corrosion and other deficiencies which could cause an unsafe
condition.
•Inspect around the exhaust vent and air inlet terminations outside the home for obstructions.
Keep area clear of snow and debris. Inspect also for any gaps at the wall penetration(s) which
could allow vented gasses to reenter the home.
•Visually inspect water and gas pipes for leaks.
•Visually inspect to see that the condensate trap not blocked and is filled with water.
•If there is a condensate neutralizer installed check to see if it has neutralizing media in it.
•Inspect the pressure reflief valve for signs of leakage
•If any problems are found during inspection notify a qualified service technician
ON AN ANNUAL BASIS (EVERY 12 MONTHS)
•Have a qualified service technician perform a complete service and maintenance of the boiler in
accordance with the Installation, Operation, and Service manual.
WARNING: Improper installation, adjustment, alteration, service or maintenance can
cause property damage, personal injury (exposure to hazardous materials) * or loss of
life. Installation and service must be performed by a qualified installer, service agency
or the gas supplier (who must read and follow the supplied instructions before
installing, servicing, or removing this boiler. This boiler contains materials that have
been identified as carcinogenic, or possibly carcinogenic, to humans)
WARNING
Maintenance and inspection of the boiler must be carried out at the following occasions:
• When a number of similar error codes and/or lock-outs appear.
• At least every 12 months maintenance must be done to ensure safe and efficient operation.
Damage caused by lack of maintenance will not be covered under warranty

10 E95.1901EN032 User manual Slant Fin VGH-CH / CO
For installations in the Commonwealth of Massachusetts
The following local requirements apply in addition to all other applicable NFPA requirements:
For direct- vent boilers, mechanical-vent heating appliances or domestic hot water equipment, where the bottom
of the vent terminal and the intake is installed below four feet above grade, the following requirements must be
met:
1) If not present on each floor level where there are bedrooms, a carbon monoxide detector and alarm must
be placed in a living area outside the bedrooms. The carbon monoxide detector and alarm must comply with
NFPA 720 (2005 Edition).
2) A carbon monoxide detector and alarm must be located in the room that houses the boiler and/or
equipment and must:
a) be powered by the same electrical circuit as the boiler and/or equipment so that only one service switch
services both the boiler and the carbon monoxide detector;
b) have battery back-up power;
c) meet ANSI/UL 2034 Standards and comply with NFPA 720 (2005 Edition); and
d) have been approved and listed by a Nationally Recognized Testing Lab as recognized under 527 CMR.
3) A product-approved vent terminal must be used, and if applicable, a product approved air intake must be
used. Installation must be performed in strict compliance with the manufacturer’s instructions. A copy of the
installation instructions shall remain with the boiler and/or equipment at the completion of the installation.
4) A metal or plastic identification plate must be mounted at the exterior of the building, four feet directly above
the location of vent terminal. The plate must be of sufficient size to be easily read from a distance of eight
feet away and read “Gas Vent Directly Below”.
For direct-vent boilers mechanical-vent heating boilers or domestic hot water equipment where the bottom of the
vent terminal and the intake is installed higher than four feet above grade the following requirements must be met:
1) If not present on each floor level where there are bedrooms, a carbon monoxide detector and alarm must
be placed in a living area outside the bedrooms. The carbon monoxide detector and alarm must comply with
NFPA 720 (2005 Edition).
2) A carbon monoxide detector must:
a) be located in the room where the boiler and/or equipment is located;
b) be either hard-wired or battery powered or both; and:
c) comply with NFPA 720 (2005 Edition).
3) A product-approved vent terminal must be used, and if applicable, a product- approved air intake must be
used. Installation must be in strict compliance with the manufacturer’s instructions. A copy of the installation
instructions must remain with the boiler and/or equipment at the completion of the installation.
WARNING: Crystalline Silica - Certain components in the combustion chamber may
contain this potential carcinogen. Improper installation, adjustment, alteration, service
or maintenance can cause property damage, serious injury (exposure to hazardous
materials) or death. Refer to Section 19 for information on handling instructions and
recommended personal protective equipment. Installation and service must be
performed by a qualified installer, service agency or the gas supplier (who must read
and follow the supplied instructions before installing, servicing, or removing this boiler.
This boiler contains materials that have been identified as carcinogenic, or possibly
carcinogenic, to humans).
WARNING

11 E95.1901EN032 User manual Slant Fin VGH-CH / CO
3 HOW TO USE YOUR BOILER
Functional introduction
The VGH boilers are central heating/combi boilers with a maximum high efficiency.
Such a performance can be reached by, amongst other things, using a special heat exchanger made of stainless
steel. This allows the flue gases to cool down below the condensation point, thus releasing extra heat. This has
an immediate positive impact on the efficiency.
Installation and settings
The installation of your boiler has been carried out by your installer with the utmost care and in accordance with
the requirements. Your installer has made all the necessary settings in order to have your heating system
perform in compliance with the mandatory standards as well as according to your wishes.
Your installer will have set a mode for your boiler.
The following modes are available for CH:
(All modes are available to both Heating Only (VGH-CH) and Combi (VGH-CO) boilers.)
CH mode 0 – Central Heating demand with thermostat control
CH mode 1 – CH with an outdoor temperature reset and thermostat control
CH mode 2 – Central Heating with full outdoor temperature reset
CH mode 3 – Central Heating with permanent heat demand
CH mode 4 – Central Heating with analog input control of setpoint
CH mode 5 – Central Heating with analog input control of power output
The following modes are available for DHW:
These modes are only available for Heating Only boilers (VGH-CH).
•DHW mode 0 – No Domestic Hot Water
•DHW mode 1 – Storage with sensor
•DHW mode 2 – Storage with thermostat
DHW mode 5 is the only mode available for Combi boilers (VGH-CO).
•DHW mode 5 – Instantaneous water heating with plate heat exchanger, DHW-out sensor and rotary switch
Following modes are not used. Contact your supplier for further information if neccesary.
•DHW mode 3 – Instantaneous water heating with plate heat exchanger, flow switch and DHW-out sensor
•DHW mode 4 – Instantaneous water heating with plate heat exchanger and DHW-out sensor
Your boiler is now ready for use.
The installer must inform you about the basis instructions for using your SlantFin heating system and the installer
must have handed over this user manual.
This manual provides you with all the necessary information for the daily use of your boiler.
You can manage your heating system by means of the display of the boiler.

12 E95.1901EN032 User manual Slant Fin VGH-CH / CO
4 DISPLAY AND BUTTONS
ON/OFF. On/off switch. Switches electrical power to the boiler
COMPUTER. Connector for computer cable
RESET. Reset lockout error
MENU. Enter the main menu
ESCAPE. Escape / Return to the status overview
RIGHT. Enter a menu item or confirm selection in Status overview
(when directly setting Actual setpoint or DHW setpoint)
LEFT. Return to previous menu item or Status overview
UP. Directly select Actual setpoint of DHW setpoint in the Status overview,
push RIGHT to confirm and use UP or DOWN to adjust value.
DOWN. Directly select Actual setpoint of DHW setpoint in the Status
overview, push RIGHT to confirm and use UP or DOWN to adjust value.
ENTER. Confirm a setting or enter a menu item
Display icons
Figure 4.1
Figure 4.2
Table 4.1
Icon
Description
Central Heating demand
Domestic Hot Water demand
Indicates that the appliance burner is ON
Cascade Emergency Mode active
Error notification
170 °F
100 °F

13 E95.1901EN032 User manual Slant Fin VGH-CH / CO
Screens and settings
When the appliance is started the following screen is displayed:
This screen is active during power up and will remain active until communication with the Main Control (the AL-
BUS) has been established.
After communication has been established the following Status overview appears:
Heating Only boiler (VGH-CH) Heating & DHW boiler (VGH-CO)
DE-AERATION SEQUENCE
The “De-Aeration” sequence is a safety function that starts
at every power ON of the boiler and is used to remove the
air from the heat-exchanger. The DAir sequence does not
start after a general reset (like the locking error reset or 24
hours reset)
The display will show the following string during DAir
sequence:
• “Dair Running”
• “Dair Error Water Pressure”
The De-Air sequence can be cancelled by pressing and holding the ENTER-button on the display for 5 seconds.
Figure 4.3
Figure 4.4
Figure 4.5
Figure 4.6
170 °F
70° F
DHW Control Enabled
70° F
10:50
10:50
DHW Control Enabled
70° F
10:50
DAir Running

14 E95.1901EN032 User manual Slant Fin VGH-CH / CO
Control panel menu structure
Figure 4.7
Press menu button
Select ‘Central Heating (CH) and
press ENTER or RIGHT
Select ‘Domestic Hot Water (DHW)’
and press ENTER or RIGHT
Select ‘Information’ and press
ENTER or RIGHT
Select ‘CH setpoint’ and press
ENTER or RIGHT
Press ENTER or RIGHT to select and
UP/ DOWN to change the value,
and ENTER or RIGHT to confirm.
Select ‘Settings’ and press ENTER
or RIGHT
Select ‘System Test’ and press
ENTER or RIGHT
Using the submenu’s following items can be shown :
1. Software version
Showing the software version of the controller and display.
2. Boiler status
Showing the values of the different sensors.
3. Boiler History
Showing a resume of faults and burning hours
4. Error Log
Showing individual lock/block errors
A level 1 password is needed to reset the error log.
5. Service
Showing service intervals
Using the submenu’s following items can
be set :
1.Language
To set the menu language.
2.Unit Type
Setting to imperial or SI units.
3.Date & Time
Set date, time (zone), display mode
summer time setting
4.Cascade mode
Full is max. 8 boilers, Basic is max.
16 boilers
5.Other settings
To change Modbus settings,
Password level 2 is needed to
change the startscreen.
Select ‘General Settings’ and press
ENTER or RIGHT
Select ‘Boiler Settings’ and press
ENTER or RIGHT
Using the submenu’s following parameters can be set:
1. DHW Setpoint
2. DHW Store Setpoint
Tank temperature setpoint.
Use password level 1 or 2 to get acces
to following parameters:
1.Boiler parameters
Boiler parameter settings
2.Module Cascade Settings
Cascade parameter settings
3.Boiler Cascade Settings
4.Cascade parameter settings
Do NOT change these settings
Select ‘Test State’ and press
ENTER or RIGHT.
Setting of following test modes:
1.Fan Max, Low power, Ignit power,
High Power, CH Max and Max
Temp
Only accesible using password level
1 or 2
1.LWCO/Air Intake en LWFan Max,








15 E95.1901EN032 User manual Slant Fin VGH-CH / CO
SET ACTUAL SETPOINT/DHW SETPOINT DIRECTLY VIA THE STATUS OVERVIEW
When CH is active, you can adjust the Actual setpoint directly on the bottom of the Status overview. When DHW
is active, you can adjust the DHW setpoint directly on the bottom of the Status overview.
This means that when CH is active, you cannot set the DHW setpoint directly via the Status overview. When DHW
is active, you also cannot set the Actual setpoint (CH setpoint) directly via the Status overview.
Press UP/DOWN ↑↓ to select the mode, then press ENTER or RIGHT →to confirm the mode and the
Actual/DHW setpoint becomes directly settable. Use UP ↑or DOWN ↓ to increase/decrease the setpoint.
Press ENTER or RIGHT →to confirm your alteration or press ESC or LEFT ←to cancel.
A setpoint is only visible on the display when no error or alert is active. In case of an active error or alert, the bottom
right part of the display is used to display the error or alert text.
ENTERING THE MENU
Enter the menu by pressing the MENU button once. The header in the display shows you are inside the main
menu. While scrolling through the menu you will see that the selected menu item is shown in a white rectangle.
Enter a menu item by pressing ENTER or RIGHT →.
The header shows your location inside the menu, as seen in the following image:
If you are inside the menu (or a menu item) and want to return directly to the Status overview press
MENU or ESC If you want to go back one step in the menu press BACK/LEFT ←.
If CH-mode is set to:
CH mode 1 – CH with an outdoor temperature reset and thermostat control
or
CH mode 2 – Central Heating with full outdoor temperature reset
The following display will appear:
Enter a menu item by pressing ENTER or RIGHT →
The header shows your location inside the menu, as seen in the following image:
It now is possible to set the Outdoor reset curve by changing the parameters on the righthand of the screen.
If you are inside the menu (or a menu item) and want to return directly to the Status overview press
MENU or ESC If you want to go back one step in the menu press BACK/LEFT ←.
Figure 4.8
Figure 4.9
Figure 4.10
Figure 4.11
Central Heating (CH)
Domestic Hot Water (DHW)
Information
Settings
▼
170 °F
Outdoor Reset
Central Heating (CH)
Outdoor Reset
Central Heating (CH)

16 E95.1901EN032 User manual Slant Fin VGH-CH / CO
PROTECTED MENU ITEMS
Some menu items are protected and only accessible via a password*. The following password screen will appear:
Users are only allowed to change parameters not needing a password.
Changing protected/safety parameters may only be conducted by experienced, licensed boiler
operators and mechanics. Hazardous burner conditions can occur due to improper operations
which may result in property loss, physical injury, or death.
LANGUAGE SETTINGS
The display has a number of different language options, such as English, French, Chinese and Italian.
BE AWARE: DO NOT set the language to the Chinese Language if you are not familiar with this language. Contact
your installer for instructions if the display is set to Chinese and needs to be reset to another language.
Please follow the following steps, which describe how to set the display to a specific language:
1. From the Status Overview, press the MENU button once
2. Select “Settings” (press UP/DOWN ↑↓ to highlight/select) and press the ENTER button
3. Select “General Settings” (press UP/DOWN ↑↓ to highlight/select) and press the ENTER button
4. Select “Language” (press UP/DOWN ↑↓ to highlight/select) and press the ENTER button
5. Select the desired language (press UP/DOWN ↑↓ to highlight/select) and press the ENTER button
Language
English
Italiano
中文
INTERNATIONAL ▼
Figure 4.12
Figure 4.13
WARNING

17 E95.1901EN032 User manual Slant Fin VGH-CH / CO
Service reminder
The Service reminder will remind you that the appliance needs to be serviced. The "Service_Interval" is factory
set at 2000 burn hours. When service is not done within this time, a service reminder will be shown:
•on the screen: "Service is required!" is displayed, alternating with the normal status display;
Menu structure display
Menu structure Display:
Access
level
Description:
1. Central Heating (CH)
User
Enter the Central Heating (CH) menu
2. Domestic Hot Water (DHW)
User
Enter the Domestic Hot Water (DHW)
menu
3. Information
User
Enter the Information menu
4. Settings
User
Enter the Settings menu
5. System Test
Installer
Enter the System Test menu
(Installer only).
1. Central Heating (CH)
min.
max.
Default
unit
Access
level
Description:
1.1 CH Setpoint
68
(20)
194
(90)
185
(85)
°F
(°C)
Installer
Set the CH setpoint if CH mode is 0
1.2 Outdoor Reset
User
Enter the Outdoor Reset menu if CH
mode is 1
1.2 Outdoor reset
min.
max.
Default
unit
Access
level
Description:
Des. Supply T.
68
(20)
194
(90)
185
(85)
°F
(°C)
Installer
Set CH setpoint when outdoor
temperature equals Des. Outd. T.
Bas. Supply T.
68
(20)
194
(90)
104
(40)
°F
(°C)
Installer
Set CH setpoint when outdoor
temperature equals Bas. Outd. T.
WW Shutdown
32
(0)
95
(35)
72
(22)
°F
(°C)
Installer
Set outdoor temperature above which
CH demand is locked.
Bas. Outd. T.
32
(0)
86
(30)
68
(20)
°F
(°C)
Installer
Set the outdoor temperature at which
CH setpoint is set to Bas. Supply T.
Des. Outd. T.
-13
(-25)
77
(25)
23
(-5)
°F
(°C)
Installer
Set the outdoor temperature at which
CH setpoint is set to Des. Supply T.
2. Domestic Hot Water
(DHW)
min.
max.
Default
unit
Access
level
Description:
DHW Setpoint
104
(40)
160
(71)
140
(60)
°F
(°C)
Installer
Set the DHW setpoint
DHW Store Setpoint
104
(40)
160
(71)
149
(65)
°F
(°C)
Installer
Set the DHW store setpoint for DHW
mode 1 and 2
3. Information
min.
max.
Default
unit
Access
level
Description:
3.1 Software versions
User
Enter the Software Versions menu
3.2 Boiler Status
User
Enter the Boiler Status menu
3.3 Boiler History
User
Enter the Boiler History menu
3.4 Error Log
User
Enter the Error Log menu
3.5 Service
User
Enter the Service menu
3.1 Software versions
min.
max.
Default
unit
Access
level
Description:
Display
xxxx
User
Display the software checksum
Boiler
Xxxx
User
Display the boiler software checksum
Device Group
xxxMN
User
Display the boiler group ID
If the message “Service is required” is shown, the boiler will continue running, but
maintenance must be carried out before this message is reset.
NOTICE

18 E95.1901EN032 User manual Slant Fin VGH-CH / CO
3.2 Boiler status
min.
max.
Default
unit
Access
level
Description:
Flow Temperature
°F (°C)
User
Actual supply flow temperature
Flow 2 Temperature
°F (°C)
User
Actual supply 2 flow temperature
Return Temperature
DHW Temperature
°F (°C)
User
Actual DHW temperature
DCW Temperature
°F (°C)
User
Actual DCW temperature
Outside Temperature
°F (°C)
User
Actual outside temperature
Flue Temp
°F (°C)
User
Actual flue gas temperature
Flue 2 Temp
°F (°C)
User
Actual flue gas 2 temperature
System Temperature
°F (°C)
User
Actual system temperature
0-10 V Input
Flowrate
l/min
User
Actual DHW flowrate
RT Input
open/clos
User
Actual RT input status
Water Pressure
psi (Bar)
User
Actual CH water pressure
Fan Speed
Ionization
uA
User
Actual ionization current
State
User
Actual burner state
Error
#
User
Actual internal error code
Calculated Setpoint
°F (°C)
User
Actual CH setpoint
3.3 Boiler history
min.
max.
Default
unit
Access
level
Description:
Successful Ignitions
#
User
Display the number of
successful ignitions
Failed Ignitions
#
User
Display the number of failed
ignitions
Flame Failures
#
User
Display the number of flame
losses
Operation Days
days.
User
Display the total time in
operation
CH Burner Hours
hrs.
User
Display the amount of burn
hours for CH
DHW Burner Hours
hrs.
User
Display the amount of burn
hours for DHW
3.4 Error Log
min.
max.
Default
unit
Access
level
Description:
Error Log
User
Display the complete error log
Filter Error Type
User
Set the error log filter
Clear Error Log
Installer
Clear the complete error log
3.5 Service
min.
max.
Default
unit
Access
level
Description:
Service history
User
Display the service history
Burn hours since last
service
hrs.
User
Display the burn hours since last
service
Burn hours till service
hrs.
User
Display the hours remaining until
next service
Operation Days
days.
User
Display the total time in
operation

19 E95.1901EN032 User manual Slant Fin VGH-CH / CO
4 Settings
min.
max.
Default
unit
Access
level
Description:
4.1 General Settings
User
Enter the General Settings menu
4.2 Boiler Settings
User
Enter the Boiler Settings menu
4.1 General settings
min.
max.
Default
unit
Access
level
Description:
4.1.1 Language
User
Enter the Language menu
4.1.2 Unit Type
User
Enter the Unit Type menu
4.1.3 Date & Time
User
Enter the Date & Time menu
4.1.4 Cascade Mode
User
Enter the Cascade Mode menu
4.1.5 Other Settings
User
Enter the Other Settings menu
4.1.2 Unit type
min.
max.
Default
unit
Access
level
Description:
Metric (°C, bar)
°C/bar
°C/bar
User
Select Metric units
Imperial (°F, psi)
x
°F/psi
User
Select Imperial units
4.1.3 Date & Time
min.
max.
Default
unit
Access
level
Description:
Date
dd-mm-yy
User
Set the current date
Time
hh:mm
User
Set the current time
A. Time Zone Settings
User
Enter the time zone settings
menu
B. Display Settings
User
Enter the display settings menu
A Time zone settings
min.
max.
Default
unit
Access
level
Description:
Time Zone Correction
User
Set the time zone correction
Daylight Savings Time
User
Select the daylight savings time
mode
B Display settings
min.
max.
Default
unit
Access
level
Description:
Time Notation
24h
24h/12h
User
Select 24h or 12h time notation
Date Order
User
Select the date-format
Day of Month
2
1 or 2 dig.
User
Select how the day of month is
displayed
Month
User
Select how the month is
displayed
Year
4
2 or 4 dig.
User
Select how the year is displayed
Date Separation
Character
User
Select the date separation
character
Day of Week
User
Select how the day of week is
displayed
Seconds
no
yes/no
User
Select if seconds are displayed
Table 4.2

20 E95.1901EN032 User manual Slant Fin VGH-CH / CO
5 ERROR INFORMATION
General
Errors can be divided in three groups:
• Manual reset locking errors (can only be reset by the reset button).
• Blocking errors (will disappear when error is gone).
• Warnings (will disappear when the warning is gone, not stored in the controls e2prom).
The boiler circulator will continue to run during most locking and blocking error codes. This is to prevent the freezing
of the Central Heating circuit when the boiler is in error during the winter period. For some non-volatile lockouts the
circulator will not be running, also see the error tables in this chapter for more details.
How an error is displayed
When an error occurs this error will be shown in the display.
The display will show the following icon in the display.
Furthermore the error code and error type will be displayed as well as the date and time.
If you cannot restart your boiler with the reset button, contact your installer.
Maintenance and repairs must be carried out by a certified technician/installer.
WARNING