Worcester GREENSTAR 28 Manuals

Manuals and User Guides for Worcester GREENSTAR 28. We have 1 Worcester GREENSTAR 28 manual available for free PDF download: Installation, Commissioning And Servicing Instructions

Worcester GREENSTAR 28 Installation, Commissioning And Servicing Instructions (56 pages)

WALL HUNG RSF GAS FIRED CONDENSING COMBINATION BOILER

Brand: Worcester | Category: Boiler | Size: 11 MB

Table of Contents
2
Key to Symbols and Safety Instructions
3
Explanation of Symbols
3
Safety Precautions
4
Appliance Information
5
Standard Package
5
Boiler Features
5
Technical Data
6
Appliance Layout
7
Pre-Installation
8
Cleaning Primary Systems
8
Mains Supply
8
Electrical Supply
8
Gas Supply
8
Water Supply
8
Water Systems and Pipe Work
9
Condensate Pipe Work
10
Internal Connections
10
External Connections
11
Pressure Relief Pipe Work
12
Boiler Location and Clearances
13
Installation
13
Installation and Servicing Clearances - Unventilated Compartments
13
Compartments
13
Bathrooms
13
Flue Options
13
Flue Terminal Positions
16
Plume Management Terminal Positions
17
Installation
18
Unpacking
18
Wall Mounting Template & Flue Opening
19
Pre-Plumbing the Boiler Connections
20
Hanging the Boiler
20
Flue Installation
21
Measuring the Flue (Standard Flue)
22
Reducing the Telescopic Flue Length
22
Installing the Telescopic Flue
22
Flue Terminal Plume Re-Direction
23
Electrical
24
General
24
Mains Power Connection
24
New Complete System Installations
24
Existing Installations
24
Access to Electrical Connections
24
Mounting Optional Plug-In Controls
25
New Complete System Installations
25
Existing Installations
26
Electrical Wiring Diagram
27
Commissioning
28
Pre-Commissioning Checks
28
Filling the System
28
Water Treatment
28
Starting the Appliance
29
Switching the Appliance On/Off
30
Starting the Central Heating
30
Setting Low Nox Heating Output
30
Heating Control
30
CO and Combustion Checks
31
Finishing Commissioning
31
Setting the DHW Temperature
32
Summer Mode
32
(Central Heating Off, DHW Only)
32
Frost Protection
32
Button Lock
33
Setting the Control Panel
33
General
33
Service Functions Overview
34
Service Level 1
34
Service Level 2
34
Description of Service Functions
35
Service Level 1
35
Service Level 2
37
Service
38
Checking the Gas Supply Pressure
38
Check Flue Integrity
38
Checking Flue System for Tightness
38
Measuring CO Content of Flue Gas
39
Setting Gas/Air Ratio (CO 2 )
39
Fan Pressure Test
40
Environmental Protection
40
Inspection/Maintenance
40
Description of Various Maintenance Operations
41
10.1.1 Draining the Boiler
41
Checking Heat Exchanger, Burner and Electrodes
41
10.1.3 Filter in Cold Water Pipe
43
10.1.4 Plate Heat Exchanger
43
10.1.5 Gas Valve
44
10.1.6 3-Way Diverter Valve
44
10.1.7 Replacing the Diverter Valve Motor
44
10.1.8 Pump and Return Manifold
44
10.1.9 Cleaning Condensate Trap
45
10Diaphragm in Mixer Unit
45
11Checking the Expansion Vessel
45
12Changing the Expansion Vessel
45
13Setting the Heating System Pressure
45
14Checking Wiring
46
15Cleaning of Other Components
46
Short Parts List
46
Displays
47
Fault Finding
48
Troubleshooting
48
Faults that Are Displayed
48
Faults that Are Not Displayed
49
Sensor Values
49
12.4.1 Flow Temperature Sensor
49
12.4.2 Dhw Temperature Sensor
49
Code Plug
49

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Worcester GREENSTAR 28 Manuals

Worcester GREENSTAR 28 Installation, Commissioning And Servicing Instructions (56 pages)

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