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warmhaus.co.uk
CONTENTS
1.
INTRODUCTION ...................................................................................................6
1.1.
Boiler Description ................................................................................... 6
1.2.
Safety Instructions: ................................................................................. 6
1.3.
Technical Specification .......................................................................... 8
1.4.
Product Identification ............................................................................ 9
1.5.
Regulations ............................................................................................. 9
2.
PRE-INSTALLATION ..........................................................................10
2.1.
Packing Contents .................................................................................. 10
2.2.
Appliance Overview ............................................................................. 10
2.3.
Location of Boiler / Clearance .............................................................11
2.4.
System Requirements ...........................................................................12
2.4.1.
General .............................................................................................................................. 12
2.5.
Water Supply (only for Combi Boiler) ..............................................12
2.6.
Gas Supply ...............................................................................................12
2.6.1.
By-pass ............................................................................................................................. 12
2.6.2.
Ventilation ........................................................................................................................ 12
2.6.3.
Primary system cleaning ............................................................................................. 12
2.7.
Electric Supply .......................................................................................12
2.8.
PRV Discharge ........................................................................................12
2.9.
Flue Terminal Position ..........................................................................13
3.
INSTALLATION .................................................................................14
3.1.
Unpacking Appliance ........................................................................... 14
3.2.
Appliance Position................................................................................ 14
3.3.
Wall Mounting Template ..................................................................... 14
3.4.
Preparing the Wall – Drill Flue Hole ................................................. 14
3.5.
Installing Mounting Bracket................................................................ 14
3.6.
Hanging The Boiler ............................................................................... 14
3.7.
Appliance Connections ........................................................................15
3.8.
Filling Appliance & Adding Inhibitor ................................................16
3.9.
Installation with Horizontal Flue Sets ...............................................17
3.10.
Installing the Flue System ....................................................................18
3.11.
Installation with Vertical Flue Sets (Ø60/100 mm) ..................... 20
3.12.
Concentric Flue Kits For Condensing Boilers (Ø60/100 mm) ...22
3.13.
Plume Displacement Kits Ø60 mm ...................................................23
3.14.
Recommendations of Plume Kit Installation ..................................23
3.15.
Condensate Connection ......................................................................24
3.16.
Ewa Combi Boiler Wiring Diagram ...................................................28
3.16.1. External Control Connection / Low Voltage Installation .................................. 29
3.16.2. External Control Connection / High Voltage (240 V) Installation ................. 29
3.16.3. External Control Connection / SPlan Wiring Diagram ......................................30
3.16.4. External Control Connection / YPlan Wiring Diagram ....................................... 31
4.
COMMISSIONING .............................................................................. 32
4.1.
Display Function ...................................................................................32
4.1.1.
SET Transparent Parameters Menu (TSP) ............................................................. 32
4.1.2.
Parameters ...................................................................................................................... 33
4.1.3.
Parameter Information ................................................................................................ 38
4.2.
Service Mode .........................................................................................38
4.3.
CO/CO2 Combustion Check ...............................................................39
4.4.
Calibration ............................................................................................. 40
4.4.1.
Auto Calibration ............................................................................................................40
4.4.2. Auto Calibration .............................................................................................................41
4.4.3. FTF Function ..................................................................................................................42
4.4.4. ESF (Easy Start up Function) ....................................................................................43
4.5.
Information Menu Access ....................................................................45
4.6.
Deaeration Mode .................................................................................. 46
4.7.
Ewa Combi Boiler Wall-Hung Boilers DHW Preheat Mode .........47
4.8.
Pre-Commissioning Checklist ............................................................48
4.9.
Checking Inlet Gas Pressure ...............................................................48
4.10.
Testing For Gas Leaks During Use ....................................................48
4.11.
Check Gas Rate .....................................................................................48
4.12.
Circulation Pump Rotation .................................................................49
4.13.
Setting Up the External Controls ......................................................49
4.14.
Gas conversion from NG (G20) to LPG (G31) ............................... 50
4.15.
Gas conversion from LPG (G31) to NG (G20) .................................51
5.
SERVICING & PART REPLACEMENT ............................................ 52
5.1.
Replacement of Components - First Stage ....................................52
5.2.
Replacement of Components - Final Stage ...................................52
5.3.
Draining The Boiler / CH Circuit ........................................................52
5.4.
Draining The Boiler / DHW Circuit (only for combi boilers) ......52
5.5.
Flue Thermistor Replacement............................................................53
5.6.
Ignition Electrode Replacement .......................................................53
5.7.
Nozzle Replacement ............................................................................53
5.8.
FLOW & RETURN TEMPERATURE SENSOR Replacement ........54
5.9.
Interface PCB Replacement ..............................................................54
5.10.
Main PCB Replacement .......................................................................54
5.11.
3-Way Inner Kit Replacement - TOP ................................................54
5.12.
Pump Head Replacement ...................................................................54
5.13.
Outlet Manifold Replacement ............................................................55
5.14.
Water Pressure Sensor Replacement ...............................................55
5.15.
3 Bar Safety Valve Replacement .......................................................55
5.16.
DHW Flow Sensor Replacement (for combi boilers only) ..........55
5.17.
DHW Plate Heat Exchanger Replacement
(for combi boilers only) .....................................................................55
5.18.
Electrode Positioning For 25, 30 kW & Single Elektrode ...........56
6.
FAULT FINDING & SOLUTIONS ...................................................... 58
Содержание EWA 2525C
Страница 1: ...CONDENSING COMBI BOILERS INSTALLATION SERVICE MANUAL EWA 2525C 25 kW EWA 2530C 30 kW...
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Страница 3: ...3 warmhaus co uk...
Страница 28: ...28 warmhaus co uk 3 16 Ewa Combi Boiler Wiring Diagram Wiring Diagram RISK OF ELECTRIC SHOCK 0100_00 W211130...
Страница 57: ...57 warmhaus co uk...