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ZSBR 7-28 ICS1
Worcester ZSBR 7-28 ICS1 Service Booklet
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Service Booklet for the Engineer
for Gas Condensing Boilers
6 720 610 333-00.1
R
ZSBR 7
-28 I
CS1
GC-Number: 41 108 04
ZWBR 8-3
0 ICC2
GC-Number: 41
108 09
ZBR 8-
35 IC
S1
GC-Number: 4
1 108 05
ZWBR 11-37 ICC1
GC-Number: 41 108
10
ZWBR 7-28
HE plus
GC-Number: 47 311
56
ZWBR 11-
35 HE plus
GC-Nu
mber: 47 311 57
7 181 465 347
(01.07) OSW
2
Table of Contents
Default Chapter
1
Product View
1
Table of Contents
2
Safety Precautions
3
Symbols
3
1 Layout of Appliance (ZSBR/ZWBR)
4
2 Operation
5
Standard Display
5
Displaying Service Functions
5
Resetting Service Functions to Factory Settings
5
Resetting Service Functions 0.0 to 4.9 to Their Factory Settings (Reset 1)
5
Resetting Service Functions 0.0 to 9.9 to the Factory Setting (Reset 2)
5
3 Boiler Service Functions
6
Summary
6
Explanation of Service Functions
9
Last Fault
9
Operating Mode
9
Anti-Cycle Mode
9
Pump Mode
10
Pump Blocking Time
10
Autom. Anti-Cycle Mode
10
Stor. Tank Therm
10
Heat Demand
11
Internal Regulator
11
Cyclic Boiler Starts
11
Pump off (Hot Water)
11
Pump Map (Heating) (Not ZBR...)
12
Map Pump Step (Heat.) (Not ZBR...)
12
Output Reduction
12
Antiblock. Map Pump (Not ZBR...)
12
Siphon Fill Program
13
Hot Water on Demand
13
GFA-Asic Error (Automatic Ignition Module, Extended Messages)
13
4 Rectifying Faults
14
Boiler Failure Codes Indication
14
Faults that Are Not Indicated on any Display
14
On the Programmer (Optional Accessory)
14
Summary
14
Appliance Faults
14
How to Use the Fault Tables
16
Flame Not Detected
16
Faults Indicated on Display
17
Controlled-Characteristic Pump Has Run Dry
17
Heat Store NTC Sensor 2 Defective
18
No Correct Electrical Connection
20
Heat Store NTC Sensor 1 Not Detected
21
Code Plug Not Detected
22
Fan Speed too Low
23
Wrong Signal from Pin 8-9
24
The Heating Outlet NTC Sensor Is Damaged
25
Safety Temperature Limiter Has Tripped
26
During Operation: Flame Not Detected
28
Internal Failure
32
Although Appliance Switches Off, Flame Still Detected
33
After Appliance Switches off Flame Is Detected
34
Text Display Module Not Detected
35
Reset Button Pressed Inadvertently
35
Faults that Are Not Displayed
36
Excessive Burner Noise, Rumbling Noises
36
Appliance Faults
36
Flue Gas Levels Incorrect, CO Level too High
37
Ignition too Harsh, Ignition Poor
38
Loose or Broken Contact on Heat Store NTC Sensor
39
Text Display Fails to Respond, no Display or Display Incorrect
39
Specified CH Flow Temperature from TA... Programmer Exceeded
40
Programmer Faults
41
Set Room Temperature Not Reached (TR 2)
41
Set Room Temperature Not Reached
42
Set Room Temperature Exceeded by Large Amount
43
Temperature Rises Instead of Falling
43
Room Temperature too High in Economy Mode
43
Incorrect or no Modulation
43
Heat Store Fails to Heat up
44
NTC Values
45
5 Appendix
45
Outside Temperature Sensor
45
Electronic Schemes
46
List of most Important Replacement Parts
47
Approved Corrosion Inhibitors and Anti-Freeze Fluids for Central Heating Water
48
Detecting Corrosion by Cfcs
49
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Worcester ZSBR 7-28 ICS1 Specifications
General
Brand
Worcester
Model
ZSBR 7-28 ICS1
Category
Boiler
Language
English
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