IDEAL LOGIC+ Combi 24 User manual
INSTALLATION
AND SERVICING
LOGIC Combi
24, 30, 35
For details of document amendments, refer to page 3
When replacing any part on this appliance, use only spare parts that you can be
assured conform to the safety and performance specification that we require.
Do not use reconditioned or copy parts that have not been clearly authorised by Ideal.
For the very latest copy of literature for specification and maintenance practices visit our
website www.idealheating.com where you can download the relevant information in PDF format.
For users guide see reverse of book
August 2011
UIN 204626 A08
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2
Ideal Logic Combi - Installation and Servicing
204626-8.indd 2 25/08/2011 13:15:19
3Ideal Logic Combi - Installation and Servicing
DOCUMENT AMENDMENTS
Relevant Installation changes implemented in this book from Mod Level....... A07 (May 11) to A08 (Aug 11)
Ideal Stelrad Group reserve the right to vary specication without notice
Page 3, Notes for the Installer
Page 13, Frame 6 - Boiler Assembly
Page 15, Frame 8 - Unpacking
Page 24, Frame 25 - Connecting the Flue to the Boiler
Page 28, Frame 30 - Connections & Filling
Page 34, Frame 39 - General Checks
Page 35, Frame 40 - Reset Procedure
Page 38, Frame 46 - Cleaning the Condensate Trap/Siphon
Page 44, Frame 59 - condensate Trap/siphon Replacement
Page 60, Short List of Parts
User Guide - Page 7, Fault Codes
FOR ANY TECHNICAL QUERIES PLESE RING THE
IDEAL INSTALLER/TECHNICAL HELPLINE : 01482 445570
NOTE. BOILER RESET PROCEDURE -
To reset boiler, turn mode knob to reset position and immediately turn knob back to required setting.
The boiler will repeat the ignition sequence if a heat demand is present.
NOTES FOR THE INSTALLER
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4
Ideal Logic Combi - Installation and Servicing
GENERAL
Ideal Logic Combi 24 30 35
o o o
2
2
2
Table 1 - General Data
Note. Gas consumption is calculated using a
caloric value of 38.7 MJ/m3 (1038 Btu/ft3) gross
or 34.9 MJ/m3 (935 Btu/ft3) nett
To obtain the gas consumption at a different
caloric value:
a. For l/s - divide the gross heat input
(kW) by the gross C.V. of the gas (MJ/m3)
b. For ft3/h - divide the gross heat input (Btu/h)
by the gross C.V. of the gas (Btu/ft3)
Key to symbols
GB IE
PMS
C13 C33 C53
I2H
*Required for maximum ow rate. Boiler operates down to 2 l/min DHW delivery
** In areas of low water pressure the DHW restrictor can be removed
3
Max. Min.
3
o
o
Table 2 - Performance Data - Central Heating Table 3 - Performance Data - Domestic Hot Water
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Ideal Logic Combi - Installation and Servicing
GENERAL
Boiler size G.C. Appliance No. PI No.
(Benchmark No.)
CONTENTS
Air Supply ...................................................................... 9
Benchmark Commissioning Checklist ..................... 66
Boiler Clearances ....................................................... 10
Boiler Exploded Diagram ........................................... 13
Condensate Drain ....................................... 9, 22, 23, 39
Electrical Connections ............................................... 30
Electrical Supply ........................................................... 9
Extension Ducts - Fitting ...................................... 20,21
Fault Finding .......................................................... 56-63
Flue Fitting 16
Flue Installation ............................................................ 8
Gas Safety Regulations ............................................... 7
Gas Supply .................................................................... 8
Installation .............................................................. 13-36
Pump ........................................................................... 51
Safe Handling ................................................................ 6
Servicing ................................................................ 37-55
Short List of Parts ...................................................... 64
Thermostatic Radiator Valves ..................................... 9
Water and Systems ............................................9,11,12
Water & Gas Connections ......................................... 29
Water Treatment ........................................................ 12
Wiring Diagram ........................................................... 32
Natural Gas only
Destination Country:
Boiler Page
4
Controls
33
For .................................................................... all boilers
12
12
Central heating mode
Page
For combination boilers only
12
Hot water mode
For condensing boilers only
22
For all boilers: complete, sign & hand over to customer
BENCHMARK COMMISSIONING CHECKLIST DETAILS
NOTE TO THE INSTALLER:
COMPLETE
THE BENCHMARK COMMISSIONING
CHECKLIST AND LEAVE THESE
INSTRUCTIONS WITH APPLIANCE
IDEAL LOGIC COMBI
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Ideal Logic Combi - Installation and Servicing
GENERAL
INTRODUCTION
Logic Combi
Note. Due to the high efciency of the boiler a plume of water
vapour will form at the terminal during operation.
OPERATION
oo
o
o
o
o
SAFE HANDLING
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Ideal Logic Combi - Installation and Servicing
GENERAL
OPTIONAL EXTRA KITS
• HorizontalFlueTermianl
Flue Extension Ducts
Flue Finishing Kit
90oElbow Kit
45oElbow Kit
Concentric Flue Screw Retaining Kit
Roof Flue Kit
Powered Vertical Flue Kit
Weather Collar
Horizontal Flue Terminal 600mm long
• Pre-PipingFrameKit
• Stand-OffKit
• Stand-OffKit(inc.pipes)
• HighLevelFlueOutletKit
• FlueDeectorKit
• CondensatePumpKit
• MechanicalTimer(24hr)Kit
• ElectronicTimer(7day)kit
• RFMechanicalProgrammableRoomThermostat(24hr)
kit
• RFElectronicProgrammableRoomThermostat(7day)
kit
• WeatherCompensationKit
• AdjustableFlueSupportBracket
• DHWExpansionVesselKit
• BalconyFlueKit
• SecurityBracketKit
• PRVWallOutletKit
• PressureGaugeExtensionKit
SAFETY
Current Gas Safety (installation and use) regulations or rules
in force:
BS. 5440:1
BS. 5440:2
BSEN. 12828:2003
BSEN 12831:2003
BSEN 14336:2004
BS. 5546
BS. 6798
BS. 6891
Health & Safety Document No. 635.
The Electricity at Work Regulations, 1989.
IMPORTANT.
Ideal Stelrad Group
Ideal Stelrad Group
SAFE HANDLING OF SUBSTANCES
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Ideal Logic Combi - Installation and Servicing
GENERAL
GAS SUPPLY
IMPORTANT.
FLUE INSTALLATION
1.
LOCATION OF BOILER
T
Timber Framed Buildings
Bathroom Installations
IP20.
Compartment Installations
0.6m
Zone 0
Recessed
window
Zone 2
Ceiling
3G8913a
2.25m
Zone 1
204626-8.indd 8 25/08/2011 13:15:22
Ideal Logic Combi - Installation and Servicing
GENERAL
2.
3.
4.
5.
6.
IMPORTANT
TERMINAL
AIR SUPPLY
WATER CIRCULATION SYSTEM
IMPORTANT.
WATER TREATMENT - see Frame 5
BOILER CONTROL INTERLOCKS
ELECTRICAL SUPPLY
WARNING.
CONDENSATE DRAIN )
no
other materials may be used.
IMPORTANT.
* Only one reduction down to 25mm is allowable per installation
otherwise BS5440-1 2008 dimensions must be followed.
Flue Terminal Positions
Min. Spacing*
1.
2.
BS5440-1 2008 75mm (3”)
3.
BS5440-1 2008 200mm (8”)
4.
BS5440-1 2008 200mm (8”)
5.
BS5440-1 2008 150mm (6”)
6.
BS5440-1 2008 300mm (12”)
7.
8.
9.
10.
11.
12.
Vertical Terminals
13.
14.
15.
16.
Table 4 - Balanced Flue Terminal Position
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Ideal Logic Combi - Installation and Servicing
GENERAL
204626-9450d
3952.5 2.5
from case
700
43 65 57 38
Gas Inlet
39 65
Side flue
dim. A
1
BOILER DIMENSIONS, SERVICES & CLEARANCES all dimensions in mm
Side and Rear Flue
a.
Front clearance
Bottom clearance
Installation from inside ONLY
b.
REAR FLUE ONLY
SIDE FLUE ONLY
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11Ideal Logic Combi - Installation and Servicing
GENERAL
General
1.
2.
o
3.
o
a.
b.
c.
d.
4. ‘Make-up’ Water.
a.
or
b.
Notes
a. The method of lling, relling, topping up or ushing sealed
primary hot water circuits from the mains via a temporary hose
connection is only allowed if acceptable to the local water
authority.
b. Antifreeze uid, corrosion and scale inhibitor uids suitable for
use with boilers having aluminium heat exchangers may be used
in the central heating system.
2
SYSTEM REQUIREMENTS - Central Heating
Water Flow Rate and Pressure Loss
o
(o
Safety valve setting
Vessel charge pressure
System pre-charge pressure
System volume Expansion vessel
(litres) volume (litres)
For other system volumes
multiply by the factor across
5. Filling
a.
b.
c.
d.
continued . . . . . .
204626-8.indd 11 25/08/2011 13:15:25
12
Ideal Logic Combi - Installation and Servicing
GENERAL
Note. Systems incorporating zone valves which could
completely cut off the ow through the system must
also include a bypass.
BALANCING
1.
2.
o
3.
4
SYSTEM BALANCING
5
WATER TREATMENT
CENTRAL HEATING
IMPORTANT.
The application of any other treatment to this product may
render the guarantee of Ideal Stelrad Group Invalid.
Ideal Stelrad Group
Ideal Stelrad Group
Notes.
1. It is most important that the correct concentration of the water
treatment products is maintained in accordance with the
manufacturers’ instructions.
2. If the boiler is installed in an existing system any unsuitable
additives MUST be removed by thorough cleansing. BS
7593:2006 details the steps necessary to clean a domestic heating
system.
3. In hard water areas, treatment to prevent lime scale may be
necessary - however the use of articially softened water is NOT
permitted.
4. Under no circumstances should the boiler be red before the
system has been thoroughly ushed.
3
SYSTEM REQUIREMENTS - CONT
Domestic Hot Water
1.
2.
o
3.
4.
a.
b.
5. Hard Water Areas
IMPORTANT.
Note.
DOMESTIC HOT WATER
Ideal Stelrad Group
204626-8.indd 12 25/08/2011 13:15:25
13
INSTALLATION
Ideal Logic Combi - Installation and Servicing
6
BOILER ASSEMBLY - Exploded View
Note
104
105
106
107
108
110
111
112
113
114
115
116
117
118
119
120
121
127
128
131
135
203
204
205
206
211
214
215
504 227
224
233 503
505
313
215
217
309
306
308
211
214
206
205
204
223
326 325 302*
104
110
114
113
121
118
507
131
128
127
120
119
117
106
203
106
107
135
105
111
231
112
228
229
303
304
116
115
219
301
401
218
307
324
108
314
506
BCC*
217
218
219
223
224
227
228
229
231
233
301
302*
303
304
306
307
308
309
313
314
324
325
326
401
503
504
505
506
507
* Note that production boiler PCBs are
factory pre-set to operate for boiler range
and output. When ordering Primary PCB
as a spare, an additional Boiler Chip Card
(BCC) MUST also be purchased for your
specic boiler range and output.
Check boiler serial letter code on data
plate to obtain correct BCC.
INSTALLATION
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14
INSTALLATION
Ideal Logic Combi - Installation and Servicing
7
UNPACKING
Unpack and check the contents.
Pack A Contents
C
A
DF
G
B
E
204626-9452b
Boiler Guarantee
HARDWARE PACK CONTENTS
Gas Valve Pack
1. Pipe - Gas Inlet
2. Washer - Gas (blue)
3. Gas Cock
Filling Loop Pack
1. 3/8" To p Hat Washer (x2)
2. Plastic Chain (x2)
3. 3/8" Blanking Cap (x1)
4. Valve - Dbl Check Filling Loop (x1)
5. 3/8" Fibre Washer (x2)
6. 3/8" Blanking Cap Extended (x1)
7. Valve Filling Loop (x1)
8. Filling Loop with 3/8" Nuts (x1)
Return Valve Pack
1. Pipe CH Return
2. Washer CH
3. Valve Return
DHW Pack
1. Pipe DHW Outlet
2. Valve - Return DHW
3. Washer DHW (x2)
4. Pipe DHW Inlet
5. Nut 1/2"
Accessory Pack
1. Screw (x2)
2. Wallplug (x2)
Flow Valve Pack
1. Pipe CH Flow
2. Washer CH
3. Valve Flow (with gauge)
Gas Valve Pack DHW Pack
Accessory Pack
Flow Valve Pack
Return Valve Pack
Filling Loop
11
1
1
1
5
2
3
3
3
4
2
2
2
14
5 5
2 2
1
6
8
7
3
2
3
3
3G9627b
continued . . . . .
INSTALLATION
204626-8.indd 14 25/08/2011 13:15:39
INSTALLATION
Ideal Logic Combi - Installation and Servicing
9
FRONT PANEL REMOVAL
1.
2.
3.
Pack B Contents Telescopic
D
CF
BA
E
1
2
Pack B Contents Non-Telescopic
8
UNPACKING CONT’D
A
D
3G9671
B
C
E
INSTALLATION
204626-8.indd 15 25/08/2011 13:15:40
INSTALLATION
Ideal Logic Combi - Installation and Servicing
FLUE KITS
Pack B
Pack B
Pack D
Concentric Flue Retaining Kit -
Finishing Kit
Refer to ‘Flue Extension Ducts’
IMPORTANT.
Dimension X
Dimension L
Dimension S
10
DETERMINING THE FLUE LENGTH AND FLUE PACKS REQUIRED
Note. MAXIMUM FLUE LENGTHS:
24 - 9M (HORIZONTAL FLUE)
30 - 8M (HORIZONTAL FLUE)
35 - 6M (HORIZONTAL FLUE)
24, 30 35 - 7.5M (ROOF FLUE)
24, 30 & 35 - 5M PRIMARY AND 17M SECONDARY IS A TYPICAL MAX.
FLUE LENGTH. (
90O
45O
(C
197mm 197mm
Wall Thickness X
Side flue length L
155 mm
155 + S = 200mm
3G9493
SIDE FLUE
REAR FLUE
197mm 197mm
Wall Thickness X
Side flue length L
155 mm
155 + S = 200mm
3G9493
continued . . . . .
204626-8.indd 16 25/08/2011 13:15:40
INSTALLATION
Ideal Logic Combi - Installation and Servicing
Notes.
1. It is recommended that a support bracket
is tted for every 1 metre of extension pipe
used and a bracket should be used at every
joint, to ensure pipes are held at the correct
angle.
If a slip joint coupling is to be used then a
bracket should be used to secure the collar.
2. When extension ‘D’ packs are used the ue
duct MUST be inclined at 1.5 degrees to
the horizontal to allow condensate to drain
back into the boiler and out through the
condensate drain.
3. If the B pack, or telescopic B pack only are
used, they may be mounted horizontally.
The 1.5 degrees is taken care of by the
inclination of the ue within the air pipe.
4. Only use water as a lubricant during
assembly.
11
DETERMINING THE FLUE LENGTH AND FLUE PACKS REQUIRED CONT’D
12
FLUE ASSEMBLY - Exploded View
Side
Rear
LEGEND
1.
2.
3.
3
2
1
Total Flue length dimension Flue
Rearue Sideue Extrapacks Boiler
dim. X+155 dim. L+197 required Size
*Logic Combi 35 is capable of 6m ue only
** Logic Combi 30 is capable of 8m ue only
Total Flue length dimension Flue
Rearue Sideue Extrapacks Boiler
dim. X+155 dim. L+197 required Size
*Logic Combi 35 is capable of 6m ue only
** Logic Combi 30 is capable of 8m ue only
TELESCOPIC FLUE
NON - TELESCOPIC FLUE
204626-8.indd 17 25/08/2011 13:15:41
INSTALLATION
Ideal Logic Combi - Installation and Servicing
Note.
The template shows the positions of the xing holes and the
rear ue hole centre for standard installation. Care MUST be
taken to ensure the correct holes are drilled.
1.
2.
3.
a
b.
Note. Mark the centre of the hole as well as the
circumference.
4.
13
WALL MOUNTING TEMPLATE
nm9279a
V - See Diagram Below
Extended centre line
155
14
PREPARING THE WALL
IMPORTANT.
1.
2.
3.
3G9495
X
Section
through wall
Note. Check all of the hole
positions before drilling.
Side flue only
5" diameter hole
Rear flue only
5" diameter hole
3G9775
31 57 83 109 135 161 187 213
239
1.0 2.0
3.0
4.0
5.0
6.0
7.0
8.0
8.5
Notes.
1. If the wall thickness is greater than 305mm then dimension "H"* must
be reduced by the same amount and the offset may be adjusted accordingly.
2. For flue lengths greater than 600mm the flue must be inclined by 26mm per 1000mm flue length.
* "H" = Distance in metres from side of the boiler to the side wall
combi 35
combi 30
combi 24
204626-8.indd 18 25/08/2011 13:15:43
INSTALLATION
Ideal Logic Combi - Installation and Servicing
16
SETTING THE FLUE - REAR
Notes.
a. If using the extension ducts go to Frame 18.
b. For shorter ue requirements use non telescopic B
Pack.
c. If the stand-off Frame is used it is essential to add
45mm to ‘X’ the measured wall thickness when marking
the ue (this will allow for the tted Frame).
1.
2.
3.
4.
5.
nm8944
X + 75
Drill hole Adhere sealing tape
Measurement to be
taken from this point
Notes.
a. If using the extension ducts go to Frame 18.
b. If the stand-off Frame is used it is essential to add 45mm
to ‘X’ the measured wall thickness when marking the ue
(this will allow for the tted Frame).
1.
2.
3.
4.
Measure from
this
RING
15
TERMINAL WALL SEAL ASSEMBLY / POSITIONING
Ensure lip of wall seal is positioned
over step on plastic nose of flue terminal
(note, seal is cut away for clarity)
Step
isfu9783
Wall Seal Lip
FIGURE 1 FIGURE 2
var9784
Rubber
Terminal
Wall Seal
204626-8.indd 19 25/08/2011 13:15:45
INSTALLATION
Ideal Logic Combi - Installation and Servicing
18
FLUE EXTENSION DUCTS - Fortotaluelengthsgreaterthan575mm
Pack D Flue extension duct kit contents
Flue duct support
Flue support cutting aid
(shown folded up)
Wall plugs - 4 off
Extension duct & clamp
1.0m (39") long
No. 10 x2" wood screw - 4 off
nm8732
17
SETTING THE FLUE - SIDE Wall thicknesses of 148 to 378mm
Notes.
a. If using the extension ducts go to Frame 18.
b. For shorter ue requirements use non telescopic B Pack.
1.
2.
3.
4.
5.
6.
nm8945
L + 115
Drill hole Adhere sealing tape
Measurement to be
taken from this point
Notes.
If using the extension ducts go to Frame 18.
1.
2.
3.
4.
Measure from
this
RING
204626-8.indd 20 25/08/2011 13:15:47
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