A1008779-664Y8300 • A
G I .......................................3
Meaning of Symbols ............................................................ 4
What to Check on a Regular Basis .................................. 4
End of the product life ........................................................ 4
U’ G ........................................................5
Models - WaterMaster® 25 (X) - 35 - 45 (X) -
70 - 85 - 120 Evo ..................................................................5
Using the Control Panel .....................................................6
Home Screen ........................................................................ 7
Stand-by Screen ................................................................... 7
Lockout Screen ..................................................................... 7
Status Messages ..................................................................8
In case of Problem... ............................................................ 8
Controller Set-up Guide ..................................................... 9
Heating EZ Setup ................................................... 10
DHW EZ Setup ...................................................... 10
Easy Setup Reset ...................................................11
Display Easy Setup ................................................11
CH/DHW Operation ............................................12
T S .............................. 13
Combustion characteristics .............................................13
Electrical Characteristics ..................................................13
Product Fiche Data
(i.a.w. Commission Delegated Regulation 812/2013) ........................ 14
Hydraulic Characteristics ..................................................15
DHW performance ..............................................................15
Maximum Operating Conditions .....................................15
Recommendations for the prevention of corrosion
and scaling in Heating Systems ......................................16
Chimney Characteristics ...................................................17
Flue Pipe Connection Types ............................................18
Calculation of the flue pipe length .................................19
Cascade : calculation of the maximum length
of flue pipes ........................................................................ 20
Approved Chimney Components ...................................21
I ..................................................... 23
Safety Instructions for the Installation .........................23
Tools required for the installation .................................. 23
Package Contents ..............................................................24
Handling instructions ........................................................24
Removing the packaging .................................................24
appliance Preparation .......................................................24
Safety Instructions - Hydraulic Circuits ........................25
G3 Requirements and Guidance - UK Only ................26
Chimney Connection ........................................................28
Gas Connection ..................................................................29
C ................................................ 30
Tools Required for Starting up .......................................30
Checks before Starting up ..............................................30
Filling the System ................................................................31
Starting up the Appliance ................................................32
Checking and Adjusting the Burner .............................32
M .................................................... 33
Safety Instructions for Maintenance .............................33
Torque Values .....................................................................33
Tools Required for Maintenance .................................... 34
Periodic Appliance Maintenance Tasks ....................... 34
Appliance shut down for Maintenance ........................34
Draining the Appliance .....................................................35
Removal, Check and Installation of the Burner
Electrode ..............................................................................36
Removal and Installation of the Burner -
WM 25 (X) to 85 .................................................................37
Removal and Installation of the Burner - WM 120 ....38
Cleaning the Exchanger ...................................................39
Restarting after Maintenance .........................................39
T ........................................... 40
S L ....................................................... 43
Table of Contents