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LOGIC COMBI2 C30
Ideal Heating LOGIC COMBI2 C30 Installation & Servicing
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When replacing any part on this appliance, use only spar
e parts that you can be assured conf
orm t
o the safety and perfor
mance
specification that we requir
e. Do not use rec
onditioned or copy parts that hav
e not been clear
ly authorised by Ide
al Heating.
For the v
ery latest cop
y of literatur
e for specification and maint
enance practic
es visit our websit
e idealhe
ating.c
om
where you can do
wnload the rele
vant infor
mation in PDF for
mat.
October 2022
UIN 228296 A06
INS
T
ALLA
TION
& SERV
ICING
LOGIC C
OMBI
2
C2
4 C30 C3
5
2
Table of Contents
Table of Contents
5
Section 1 - General
6
Introduction
8
Operation
8
Safe Handling
8
Optional Accessories
8
Safety
9
Safe Handling of Substances
9
Location of Boiler
9
Air Supply
10
Gas Supply
10
Water Circulation System
10
Boiler Controls
10
Electrical Supply
10
Condensate Drain
10
Boiler Dimensions, Services & Clearances
11
System Requirements - Central Heating
12
System Requirements - DHW
13
Water Treatment
13
System Balancing
13
Section 2 - Installation
14
Boiler Assembly - Exploded View
14
Unpacking
15
Wall Mounting Template
16
Preparing the Wall
16
Fitting the Wall Mounting Plate
16
Mounting the Boiler
16
Flues and Locations
17
Flues and Locations - Cont
18
Horizontal Flue Positions
19
Vertical Flue Positions
19
Flue System Dimensions
20
Fitting the Turret
20
Cutting the Flue
21
Assembling the Vertical Flue
22
Condensate Drain
23
Condensate Drain - Cont'D
24
Connections & Filling
25
Connections & Filling Continued
26
Electrical Connections
27
Installer Wiring
27
External Wiring
28
Wiring Diagram
29
Replacing Pre-Fitted Mains Cable
30
Commissioning and Testing
30
Initial Lighting
31
The Display
32
General Checks
32
General Checks - Water Circulation
33
Restart Procedure
33
Accessing the Installer Mode
34
Handing over
34
Section 3 - Servicing
35
Servicing Schedule
35
Removal / Replacement of Components
36
Draining the Boiler
36
Boiler Front Panel Removal / Replacement
37
Flue Manifold Removal/Replacement
37
Fan and Venturi Assembly Removal and Cleaning
38
Burner Removal and Cleaning
39
Cleaning the Heat Exchanger
39
Ignition / Detection Electrode Replacement / Inspection
40
Cleaning the Condensate Trap
40
DHW Filter & DHW Flow Regulator Cleaning/Replacement
41
Burner Injector Replacement
41
Burner Replacement
41
Return Thermistor Replacement
42
Spark Generator Replacement
42
Gas Control Valve Replacement
43
Diverter Valve Actuator Replacement
43
Condensate Trap Replacement / Cleaning
44
Primary PCB Replacement
44
DHW Flow Turbine Sensor Replacement
45
Pressure Gauge Replacement
45
PRV Replacement
46
Pump Automatic Air Vent Replacement
46
Replacement of DHW Thermistor
47
DHW Plate Heat Exchanger Replacement
47
Diverter Valve Body Assembly Replacement
48
Pump Head Replacement
49
Water Pressure Switch Replacement
49
Flow Thermistor Replacement
50
Heat Engine Replacement
51
Expansion Vessel Recharging & Replacement
52
Section 4 - Fault Finding
53
Fault Finding Main Menu
53
L 01' - Overheat Lockout
54
L 02' - Ignition Lockout
54
L 06' - Flame on before Gas Valve on
55
F 01' - Low Water Pressure
55
F 02 - Flame Loss
55
F 03' - Fan Fault
56
F 04 or L 04' - Flow Thermistor Fault
56
F 05 or L 05' - Return Thermistor Fault
57
F 06' - Outside Sensor Fault
57
No CH Operation but DHW Works OK
58
No DHW but CH Works OK
59
No Display
60
F0U' Flow/Return Differential Greater than 50°C
60
F 0C' DHW Thermistor Fault
60
Section 5 - Spare Parts
61
Section 6 - Benchmark to Commissioning
62
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Ideal Heating LOGIC COMBI2 C30 Specifications
General
Brand
Ideal Heating
Model
LOGIC COMBI2 C30
Category
Boiler
Language
English
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