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EWA 28
Warmhaus EWA 28 User Manual
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CONDENSING C
OMBI BOILERS
INST
ALLA
TION & USER MANU
AL
EW
A 24
EW
A 28
EW
A 33
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Dear Warmhaus Customer
4
General Warnings
4
General Warranty Conditions
4
Boiler Gas Categories & Destinations
5
Gas Leakages
6
2 Installation Personnel Section
7
Contents of Packing Box
7
Combi Installation Rules
8
General Rules for Installation Places of Combi Boilers
8
Places Not Suitable for Installing Hermetical Combi Boilers
8
Wall Installation of Combi and Selecting the Installation Place
8
Dimensions and Connections
9
Natural Gas and LPG Connection
9
2H3P
9
Flammable Gas Quality
9
In Case of Using LPG Tank
9
In Case of Using Bottled Gas
9
Filling the Siphon for Condensation Line
10
Installation at Partially Protected Exteriors
10
Electrical Connections
10
Optional Controls: Room Thermostat, Outside Sensor and Others
11
Hydraulic Installation Rules
13
Radiator and DHW Installations
13
Filling/Emptying Radiator Installation
13
Circulation Pump
15
Controls for Initial Operation of Combi
15
Parts Comprising the Combi
16
Combi Flue Connections
16
Exhaust Gas Flue Pipe Set and Accessories Connection
16
Combi Flue Connection Types
17
Peripheral Distances of Flue Output Connections
19
Installation with Horizontal Flue Sets
19
Installation with Vertical Flue Sets (Ø 60/100 MM)
21
Twin Flue Kits Ø 80/80 (Hermetic) Flue Type Use
21
Recommendations of Plume Kit Installation
25
3 User's Section
26
General Warnings for User
26
Use of Combi
26
Selection of On/Off/Standby and Summer/Winter Modes
28
On/Off/Standby Positions
28
Operation at Winter Position
28
Operation at Summer Position
28
Resetting the Combi (Re-Starting)
29
Shutting off the Combi
29
Use with Room Thermostat (Optional)
29
Use of Outside Temperature Sensor (Optional)
30
Customizing Combi Features
30
Troubleshooting
31
Failure Codes Table
31
Recommendations for Economical Use of Combi
35
Issues Required to be Taken into
35
Consideration for Warranty Conditions
35
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Warmhaus EWA 28 Specifications
General
Power Output
28 kW
Efficiency Class
A
DHW Output
28 kW
Max Water Temperature
80 °C
Fuel Type
Natural gas
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