HeatMaster 25 C: A1003474 - 664Y7000 • B
en
2
EN
FR
NL
ES
IT
DE
PL
RU
TABLE OF CONTENTS
GENERAL RECOMMENDATIONS .................................................................................... 3
Safety Instructions........................................................................................................................................................................3
USER’S GUIDE ................................................................................................................... 4
Meaning of Symbols .................................................................................................................................................................... 4
Boiler Marking
................................................................................................................................................................................ 5
Control Panel and Display
.........................................................................................................................................................6
Stand-by Screen
............................................................................................................................................................................7
Lockout Screen
..............................................................................................................................................................................7
Status Messages
............................................................................................................................................................................7
What to Check on a Regular Basis
..........................................................................................................................................8
In case of Problem...
..................................................................................................................................................................... 8
Boiler Setup Guide
.......................................................................................................................................................................8
APPLIANCE DESCRIPTION ............................................................................................15
HeatMaster® 25 C ........................................................................................................................................................................15
Conguration in a system........................................................................................................................................................15
HeatMaster® 25 C overview
....................................................................................................................................................15
Connections - at the back
........................................................................................................................................................16
TECHNICAL CHARACTERISTICS ..................................................................................17
Dimensions ...................................................................................................................................................................................17
Clearance
.......................................................................................................................................................................................17
Combustion characteristics
....................................................................................................................................................18
Gas categories
..............................................................................................................................................................................18
Chimney connection characteristics
...................................................................................................................................19
Calculation of the ue pressure drop in the ue pipes
............................................................................................... 20
Cascade : calculation of the maximum length of ue pipes
......................................................................................21
Electrical Characteristics HeatMaster
®
25 C..................................................................................................................... 22
Hydraulic Characteristics
.........................................................................................................................................................24
Hydraulic Pressure Drop Curve of the Boilers
..................................................................................................................24
DHW performance
.....................................................................................................................................................................24
Maximum Operating Conditions
..........................................................................................................................................24
Recommendations for the Prevention of Corrosion and Scaling in Heating Systems
.................................... 25
G3 Requirements and Guidance - UK Only
...................................................................................................................... 26
INSTALLATION ..............................................................................................................28
Safety Instructions for the Installation .............................................................................................................................. 28
Package contents
....................................................................................................................................................................... 29
Tools Required for the Installation
...................................................................................................................................... 30
Boiler preparation...................................................................................................................................................................... 30
Hydraulic Connections
............................................................................................................................................................ 30
DHW Connection
....................................................................................................................................................................... 30
Heating Connection
..................................................................................................................................................................31
Removal and Installation of the Front and Top Panels
.................................................................................................32
Gas Connection
...........................................................................................................................................................................32
Conversion to Propane
.............................................................................................................................................................33
CONFIGURATION AND SYSTEM SETUP .....................................................................34
Basic Conguration - HeatMaster 25 C: High Temperature Heating Circuit with Control by Room Ther-
mostat and Optional Outdoor Sensor. .............................................................................................................................. 34
Cascade Conguration, Controlled by EBV Controller
.............................................................................................. 35
STARTING UP .................................................................................................................36
Safety Instructions for Starting up ...................................................................................................................................... 36
Tools Required for Starting up
.............................................................................................................................................. 36
Checks before Starting up
...................................................................................................................................................... 36
Filling the system
....................................................................................................................................................................... 36
Starting up the Boiler
................................................................................................................................................................37
Checking and Adjusting the Burner
....................................................................................................................................37
MAINTENANCE ..............................................................................................................38
Safety Instructions for the Boiler Maintenance.............................................................................................................. 38
Tools Required for Maintenance
.......................................................................................................................................... 38
Boiler shut down for Maintenance
...................................................................................................................................... 38
Periodic Boiler Maintenance Tasks
...................................................................................................................................... 38
Draining the Boiler
.....................................................................................................................................................................39
Removal, Check and Installation of the Burner Electrode
..........................................................................................39
Removal and Installation of the Burner
............................................................................................................................ 40
Cleaning the Exchanger
...........................................................................................................................................................41
Restarting after Maintenance
................................................................................................................................................41
Torque Values
...............................................................................................................................................................................41
LOCKING CODES ...........................................................................................................42
SERVICE LOG
..................................................................................................................45
DECLARATION OF CONFORMITY
...............................................................................46
ECODESIGN DATA..........................................................................................................47
PRODUCT FICHE
............................................................................................................48