Laars MSTWW199, Руководство по эксплуатации

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TABLE OF CONTENTS
SECTION 1 Product Accessories
1.1 Introduction ...........................................................
3
1.2 Included with the Unit ...........................................
3
SECTION 2 Product Characteristics
2.1 Model Nomenclature ............................................
4
2.2 Specifications .......................................................
5
2.3 Dimensions ...........................................................
6
2.4 Names of Components .........................................
7
SECTION 3 Safety Regulations
3.1 Safety Symbols ....................................................
8
3.2 Safety Precautions and Proper Use .....................
9
SECTION 4 Installation
4.12 Gas High Altitude Setting ..................................
30
4.13 Gas Conversion ..................................................
30
4.14 Plumbing Guidelines.
................................... 31
4.15 Disposal of Condensate .....................................
33
4.16 Pressure Relief Valve .........................................
34
4.17 Electrical Wiring Connections .............................
34
4.18 DIP Switches .....................................................
35
4.19 Wiring Diagram ..................................................
36
4.20 Ladder Diagram .................................................
37
4.21 Electrical Connections .......................................
38
SECTION 5 Control Display and Operation
5.1 Control Dial and Buttons ....................................
39
5.2 LCD Overview ...................................................
41
5.3 Operating Mode ..................................................
42
5.4 Status Display Mode ..........................................
43
5.5 DHW Set Point Change Mode ...........................
44
5.6 Installer Mode ....................................................
45
5.7 Error Mode .........................................................
46
SECTION 6 Error Codes
6.1 Error Codes .......................................................
47
6.2 Fault Tree Analysis ............................................
50
6.2.1 Flame Detection .................................................
50
6.2.2 Gas Detection .....................................................
50
6.2.4 ‘I/T’, ‘DHW’, ‘OP’ Sensor detects ........................
51
6.2.3 Fan / Air Proving .................................................
51
SECTION 7 Troubleshooting
7.1 Diagnostics .........................................................
52
SECTION 8 Maintenance
8.1 Annual Startup and General Maintenance .........
55
SECTION 9 Installation Check
9.1 Quick View .........................................................
58
9.2 Final check lists ..................................................
58
SECTION 10 Repair Part List and Diagrams
10.1 Parts List ............................................................
60
LAARS Heating Systems
NOTE: For Cascading Installations, please refer
to document 1351 ‘Cascading the Mascot ST’,
available online.
4.1 Location and Clearances ....................................
12
4.2 Wall Mount Bracket ............................................
13
4.2.1 The installation height and location ...................
13
4.2.2 Hang the Water Heater.......................................
13
4.3 Combustion Air ...................................................
14
4.3.1 Combustion Air from Room ................................
14
4.3.2 Ducted Combustion Air .......................................
14
4.4 Venting (Exhaust) ...............................................
16
4.5 General Location Guideline ................................
17
4.6 Locations for Vent Pipe Terminator ....................
18
4.6.1 Direct Venting Clearances .................................
18
4.6.2 Non-Direct Venting Clearances .........................
19
4.6.3 Venting Requirements in the
Commonwealth of Massachusetts .....................
20
4.6.4 Common Vent Test .............................................
21
4.7 Air Supply and Vent Connections .......................
22
4.7.1 Vent / Air Pipe Lengths .......................................
22
4.7.2 Direct Venting .....................................................
22
4.7.3 Single Venting ...................................................
23
4.8 Vent / Air Pipe Termination .................................
23
4.9 Gas Supply and Piping .......................................
26
4.10 Gas Supply Pressure .........................................
29
4.11 Gas Setup and Adjustment .................................
29