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Atag
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Q 25S
Atag Q 25S Installation & Servicing Instructions
52 pages
Manual
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8G.51.40.06/08.15
Changes reserved.
Installation & Servicing
Instructions
These instructions to be retained by user
.
Boiler
G.C No
Q 25S
41-310-08
Q 38S
41-310-09
Q 51S
41-310-10
Q 60S
41-310-1
1
Q 25C
47-310-10
Q 38C
47-310-1
1
Q 51C
47-310-12
CE PIN 0063BQ3021
2
Table of Contents
Default Chapter
2
Explanations of Symbols and Signs on the Control Tower Display
2
Table of Contents
3
1 Introduction
4
2 Rules
4
3 Scope of the Supply
6
4 Description of the Boiler
6
5 Mounting the Boiler
8
6 Connecting the Boiler
9
Central Heating System
9
Expansion Vessel
11
Underfloor Heating System (Plastic Pipes)
12
Water Quality
12
Gas Connection
14
Hot Water Supply
14
Condensation Drain Pipe
15
Flue Gas Exhaust System and Air Supply System
18
Dimensions of the Flue Gas and Air Intake Duct
22
7 External Hot Water Cylinders
23
8 Electrical Connection
24
9 Boiler Controls
26
Explanation of the Function Keys
27
10 Filling and Venting the Boiler and Installation
28
Hot Water Supply
28
11 Commissioning the Boiler
29
Central Heating System
29
Hot Water Supply
29
Adjustments
30
Activating Factory Settings (Green Key Function)
32
12 Isolating the Boiler
33
13 Commissioning
33
Checking for Contamination
34
Checking the O
35
Maintenance Activities
36
Draining the Installation
38
User's Instructions
39
Maintanance Frequency
39
Warranty
39
14 Error Indication
40
Annex a Technical Specifications
41
Annex B Additives
42
Annex C Dimensions
43
Annex D Installation Examples
45
Radiator Installation Without Thermostatic Radiator Valves
45
Radiator Installation with Underfloor Heating Zone
46
Annex E Resistance Table Sensors
47
Annex F Declaration of Conformity
48
Annex G Kiwa Certificate
49
Benchmark Checklist
50
Service Record
51
Other manuals for Atag Q 25S
Instructions
48 pages
Operating Instructions
16 pages
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Atag Q 25S Specifications
General
Efficiency
94%
Output
25 kW
Mounting
Wall
Type
Combi
Fuel
Natural Gas
Water pressure
3 bar
Boiler type
Condensing combi boiler
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