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GWH18
Bosch GWH18 User Manual
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Installation and Operating Manual
Gas instantaneous
water heaters
Therm 4000 S
6720813351-00.1V
GWH12/15/18 CTD E23/31 F6 O...
6 720 819 528 (2016/02) ZA
Read instal
lation manu
al prior t
o installa
tion of this
unit!
Read user manual before putting this unit in operation!
Observe the warnings in
the manuals!
The installation room must fulf
ill the ventilation requirements!
Installation by an au
thorised pe
rson only!
2
Table of Contents
Default Chapter
2
Table of Contents
2
1 Key to Symbols and Safety Instructions
3
Key to Symbols
3
General Safety Instructions
3
2 Product Details
5
EC Declaration of Conformity
5
Type Overview
5
Material Attached
5
Rating Plate
5
Description of Appliance
5
Accessory (Not Supplied with the Appliance)
5
Dimensions and Minimum Clearances
6
Appliance Layout
7
Electrical Wiring Diagram
8
2.10 Specification
9
3 Operation Instructions
10
Digital Display - Description
10
Before Commissioning the Appliance
10
Switching the Appliance On/Off
10
Temperature Control
11
Programming Button
11
Draining the Appliance
11
Codes of Errors in the Display
12
Cleaning the Front of the Appliance
12
4 Regulations
12
5 Installation (Only by Qualified Contractors)
12
Important Notes
13
Choice of Installation Site
13
Regulations Concerning the Installation
13
Site
13
Minimum Distances
13
Fitting Wall-Mounting Bar
14
Fitting the Appliance
14
Water Connection
14
Gas Connection
15
Altitude of Installation Site Region
15
Remote Control Connection
15
5.10 Commissioning of the Appliance
16
6 Electrical Connection
16
Contractors)
16
Connecting the Power Cable
17
Replacing the Power Cable
17
7 Regulating the Gas
17
Contractors)
17
Factory Regulation
17
Service Function
17
Adjusting the Appliance
17
7.3.1 Access to the Pressure Heads
17
Adjusting the Maximum Flow (Parameter P1)
18
Adjusting the Minimum Flow (Parameter P2)
18
Adjusting Pressure in the Burner (Parameter P0)
19
Factory Default Settings
19
Changing the Type of Gas
19
8 Maintenance (Only by Qualified Contractors)
19
Remove the
20
Periodic Maintenance Works
20
Replacement of Fuses (Control Box)
20
Start-Up after Completion of Maintenance
20
Works
20
9 Problems
21
10 Environment / Disposal
22
11 Warranty Terms
23
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Bosch GWH18 Specifications
General
Brand
Bosch
Model
GWH18
Category
Water Heater
Language
English
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