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Vailant ecoTEC plus 937 manual available for free PDF download: Installation And Maintenance Instructions Manual
Vailant ecoTEC plus 937 Installation And Maintenance Instructions Manual (80 pages)
Brand:
Vailant
| Category:
Boiler
| Size: 8.93 MB
Table of Contents
Ecotec Plus
1
Table of Contents
2
1 Notes on the Documentation
4
Documents also Having Validity
4
Storing Documents
4
Symbols Used
4
Validity of the Manual
4
Identification Plates
4
CE Label
4
Benchmark
5
Gas Council Number
5
2 Unit Description, Data and Dimensions 2
5
General Notes
5
Technical Data
6
Dimensions
7
Structure and Functional Elements
9
Functional Description
10
3 Safety 3
11
Safety and Warning Information
11
Classification of Warnings
11
Structure of Warnings
11
Intended Use
11
General Safety Instructions
12
General Requirements
13
Preliminary Remarks
13
Related Documents
13
4 General Requirements
14
Scope of Supply and Accessories
14
Installation Location
14
Gas Supply
15
Flue Pipe
15
MM Standard Flue Duct
15
Optional 125 MM Flue Pipe
16
Flue Termination
16
Air Supply
17
Electrical Connection
17
System Requirements
18
Water Circulation System
18
Filling and Preparation of the Heating System
18
Pressure Relief Valve
19
Pressure Gauge
19
Heating Circuit Expansion Vessel
19
Shift Load Storage Tank Expansion Vessel
20
Details for the Pumps
20
Circulation Pump
20
Shift Load Storage Tank Circulation Pump
20
System-Bypass
20
Venting
20
Condensate Siphon
20
5 Sequence of Operations During Installation 5
21
Transporting the Appliance
21
Required Minimum Gaps/Assembly Clearances
23
Selecting the Location for the Shift Load Storage Tank and Combination Boiler
23
Unpacking the Equipment
23
Using the Installation Template
24
Flue Exit
24
Installation of the Flue Gas System
24
Fitting the Appliance Hanging Bracket
25
Mounting the Combination Boiler
25
Removing the Front Case
26
General Instructions Concerning the Heating System
26
Gas Connection
26
Connecting the Hot and Cold Water
27
Connecting Piping between the Stratified Storage Tank and the Combi-Heater
28
Connecting the Heating Supply and Return Lines
29
Installing the Condensate Drain Line
30
Connecting the Drain Pipe to the Pressure Relief Valve
31
Connecting the Drain Hose to the Pressure Relief Valve of the Stratified Storage Tank
31
Connecting the Exhaust Gas System to the Combi-Heater
31
Electrical Connection
32
General Requirements
32
Establishing the Electrical Connection for the Stratified Storage Tank
32
Establishing the Power Supply
33
Connection Diagrams
34
Control Units
37
Vaillant Control Units and Accessories
37
External Electrical Controllers
37
Details for the Connection of an External Timer to the Terminal Strip
37
Optional Plug-In Timers by Vaillant
38
Thermostatic Radiator Valves
38
Frost Prevention
38
Heating Pump
38
Anti-Cyclic "Economiser" Control System
38
Automatic Pump Spin Control
38
6 Commissioning, Part I 6
39
Preparatory Checks of the Electrical System
39
Gas Supply
39
Cold Water Supply
39
Filling and Bleeding the Heating System
39
Checking the Fill Pressure in the Heating System
39
Filling Device for Ecotec Plus 937
40
Filling the Heating System for the First Time
40
Flushing the System for the First Time ("Cold")
41
Filling the Condensate Drain Trap
41
Setting the Pump Output
41
Adjusting the Bypass
41
Checking the Gas Setting
42
Checking for Tightness of the Flue Gas Installation and Flue Gas Recirculation
42
Checking the Gas Flow Rate
43
Checking the Gas Inlet Working Pressure
43
Assembling the Front Panel
44
Adjusting the Central Heating System (Range Rating)
44
Converting the Gas Type
45
7 Commissioning Part II: Functional Checks 7
45
Functional Checks
45
Method of Procedure
45
Heating
45
Hot Water Operation
46
Storage Tank Charging
46
Conclusive Flushing of the Heating System ("Hot")
47
Briefing Users
47
Factory Guarantee
48
8 Inspection and Maintenance
48
Inspection and Maintenance Intervals
48
General Inspection and Maintenance Instructions
49
Safety Instructions
49
Checking the CO Concentration
50
Concentration (or the Air Ratio)
51
Inspection and Maintenance Work Steps
52
Maintaining the Compact Thermal Module
53
Removing the Compact Thermal Module
53
Cleaning the Integral Condensation Heat Exchanger
54
Checking the Burner
54
Installing the Compact Thermal Module
54
Cleaning the Condensate Trap
55
Cleaning Strainer in Cold Water Supply
56
Checking Filling Pressure of the Expansion Vessel of the Combination Boiler
56
Checking Filling Pressure of the Expansion Vessel of the Shift Load Storage Tank
57
Re-Commissioning the Combination Boiler
57
Test Mode
57
Logical Fault Finding Procedure
58
Status Codes
58
Diagnostic Codes
59
Troubleshooting
60
Error Codes
62
Fault Memory
62
Test Programmes
65
Resetting the Parameters to Factory Settings
65
Replacing Components 10
65
Safety Instructions
65
Replacing the Burner
66
Replacing the Fan or the Gas Valve
66
Replacing the Expansion Vessel
67
Replacing the Primary Heat Exchanger
68
Replacing the Expansion Vessel of the Shift Load Storage Tank
69
Replacing the Storage Tank Pump of the Shift Load Storage Tank
69
Replacing the Aqua Sensor
70
Replacing the Electronics on the Shift Load Storage Tank
71
Replacing the Electronics and Display on the Combi-Heater
71
Recycling and Disposal
72
Vaillant Service
72
11 Recycling and Disposal
72
12 Vaillant Service
73
EC Declaration of Conformity
73
Service Record
75
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