2
CONTENTS
1
GENERAL INFORMATION ................................................................................................................................................................................
3
1.1
Symbols used in this guide ..........................................................................................................................................................................
3
1.2
Correct use of the appliance .......................................................................................................................................................................
3
1.3
Water treatment ............................................................................................................................................................................................
3
1.4 I
nformation to be passed over to the person in charge of the appliance .................................................................................................
4
1.5
Safety warnings ............................................................................................................................................................................................
4
1.6
Data badge ....................................................................................................................................................................................................
5
1.7
The following instruction ...............................................................................................................................................................................
6
1.8
Tools, materials and additional equipment ..................................................................................................................................................
7
1.9
Disposal ........................................................................................................................................................................................................
7
1.10
General warnings .........................................................................................................................................................................................
7
2
TECHNICAL FEATURES AND DIMENSIONS .................................................................................................................................................
8
2.1
Technical features ........................................................................................................................................................................................
8
2.2
Dimensions ...................................................................................................................................................................................................
8
2.3
Main components .........................................................................................................................................................................................
9
2.4
Boiler water circuit diagram .......................................................................................................................................................................
11
2.5 Performance data .......................................................................................................................................................................................
12
3
INSTRUCTIONS FOR THE INSTALLER ........................................................................................................................................................
13
3.1
General warnings ......................................................................................................................................................................................
13
3.2
Code and standard approvals ..................................................................................................................................................................
14
3.3
Packaging ..................................................................................................................................................................................................
14
3.4
Minimum clearance ...................................................................................................................................................................................
15
3.5
Boiler location in a boiler house ................................................................................................................................................................
16
3.6 Connections ............................................................................................................................................................................................... 17
3.7
Installation on existing heating systems ..................................................................................................................................................
17
3.8
Gas connection .........................................................................................................................................................................................
19
3.9
Connection return and flow system pipes ...............................................................................................................................................
20
3.10
Determination of primary boiler pump or boiler pump system..........................................................................................................
21
3.11
Pressure relief valve drain pipe ................................................................................................................................................................
22
3.12
Working pressure ......................................................................................................................................................................................
22
3.13 Connecting the expansion vessel in a single boiler system .................................................................................................................. 22
3.14
Underfloor Heating system .......................................................................................................................................................................
23
3.15
Condensing drain ......................................................................................................................................................................................
23
3.16
Water treatment .........................................................................................................................................................................................
24
3.17
Combustion air and ventilation openings .................................................................................................................................................
25
3.18 Installation of the exhaust and air intake system .................................................................................................................................... 26
3.18 Flue outlet installation ................................................................................................................................................................................ 25
3.19 Room air system for installation using indorr combustion air ................................................................................................................ 26
3.20 Vent and air supply system for orizontal direct vent system ................................................................................................................. 29
3.21 Electrical connection ................................................................................................................................................................................. 30
Regulation in force ....................................................................................................................................................................................
30
Mains electrical connection 120V - 60 Hz ...............................................................................................................................................
30
Room thermostat and / or E8 heating controller connection .................................................................................................................. 31
Connection of the additional safety device .............................................................................................................................................. 31
3.22
Wiring diagrams ........................................................................................................................................................................................
32
3.23
Ladder diagrams .......................................................................................................................................................................................
34
3.24 Starting up .................................................................................................................................................................................................. 35
3.25 Filling t
he system ......................................................................................................................................................................................
35
3.26 Initial lighting ............................................................................................................................................................................................... 36
Preliminary checks ................................................................................................................................................................................... 36
Ignition and switching off ........................................................................................................................................................................... 36
Information to be supplied to the user ..................................................................................................................................................... 36
3.27 Testing ignition safety shut off device ...................................................................................................................................................... 38
3.28 Burner adjustment ..................................................................................................................................................................................... 39
3.29 Programming of the operational parameters ........................................................................................................................................... 41
3.30 Variation of input range for high altitude ................................................................................................................................................... 42
4
SERVICING SCHEDULE .................................................................................................................................................................................. 43
4.1 Instructions for inspection and servicing .................................................................................................................................................. 43
Table of the resistance values in function of the heating and domestic sensor temperature ................................................................. 43
4.2 Periodic examination of venting system ................................................................................................................................................... 44
4.3 Proper procedure for cleaning flue gas .................................................................................................................................................... 44
4.4 Proper procedure for cleaning the burner ................................................................................................................................................ 44
4.5 Visual inspection of the flame .................................................................................................................................................................... 45
4.6 Proper reassembly and resealing of the air intake system .................................................................................................................... 45
4.7 Verification and cleaning of the condensate evacuation siphon .............................................................................................................. 46
4.8 Sealing gasket between distributor and boiler body ................................................................................................................................ 46
5
FAULT FINDING ................................................................................................................................................................................................ 47
5.1 Error codes ................................................................................................................................................................................................ 47
5.2 Request of maintenance ........................................................................................................................................................................... 48
SPARE PARTS ..................................................................................................................................................................................................
49
Warning: this manual contains instructions to be used exclusively by the installer and/or a competent person
in accordance with the current laws in force.
The end user MUST not make any alterations to the boiler.
Failure to follow the instructions indicated in this manual, which is supplied with the boiler, could cause injury
to persons, animals or damage to property. LATTNER shall not be held liable for any injury and/or damage.
This unit is ready for operation with gas A (natural), you can make the transformation to work
with gas E and (propane HD) using proper kit provided by LATTNER
Warning:
Any operation on the unit must be performed by authorized personnel.
