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11
SYSTEM TEMPERATURE
CONTROL KITS
FLUE SYSTEMS
DIFFERENTIALS
Flow rates for common systems using either 11
°
C, 15
°
C or 20
°
C temperature differentials
are given in the table below.
FLOW RATE (L/MIN)
HYDRAULIC RESISTANCE (MBAR)
BOILER
11°C
15°C
20°C
11°C
15°C
20°C
Evomax 30 / 30P
39.1
28.7
21.5
425
225
127
Evomax 40 / 40P
52.1
38.2
28.7
875
405
225
Evomax 60 / 60P
78.2
57.3
43.0
435
180
83
Evomax 80 / 80P
104.2
76.4
57.3
750
420
180
Evomax 100
N/A
95.6
71.7
N/A
315
134
Evomax 120
N/A
N/A
86.0
N/A
N/A
218
Evomax 150
N/A
N/A
107.5
N/A
N/A
230
• 30-80 kW boilers must operate with temperature differentials from 11 to 20°C.
• 100 kW boilers must operate with temperature differentials not less than 15 to 20°C.
• 120-150 kW boilers must operate with temperature differentials not less than 20°C.
See pages 74-77 for further system requirements
A comprehensive range of flue kits are available from
Ideal Commercial Boilers including horizontal and vertical
concentric and open flue options.
For horizontal flues: this is the distance from the flue outlet
centre line on the boiler to the outside wall. Horizontal flue
termination is not available for Evomax 150.
For vertical flue: this is the distance from the top of the
boiler case to the aperture in the weather collar. If elbows
are to be used, then the equivalent length of that fitting
must be subtracted from the maximum flue extensions
allowed for that flue option.
Note:
Horizontal terminal resistance includes 1 x 90° elbow.
When installing Evomax boilers with concentric flue
(horizontally or vertically) the Ideal Commercial flue
system must be used.
The resistance of flue components, together with the
maximum flue resistance each boiler can work against, may
be used to calculate the total flue resistance of the system,
and to determine if they are acceptable to run on the boiler.
Multiple boilers may be installed with a common
flue header.
The flue system should be designed and supplied by a
specialist flue company. BS 6644 and IGEM UP/10 provide
guidance on design and the drainage of condensate from
flue stack and headers. Condensate from a flue stack and
header must be collected and drained before entering
the boiler.
For Ventilation requirements please refer to the
installation manual..
PROGRAMMABLE ROOM THERMOSTAT KIT.
Timed control of central heating. Includes a built in
electronic room sensor, optimised start and on/off
controlled DHW.
MODULATING SEQUENCER KIT.
Controls up to 5 boilers for cascade operation.
Air and Flow Header sensors are included.
OUTSIDE SENSOR KIT.
Provides weather compensation directly or with
Programmable Room Thermostat kit.
TANK SENSOR KIT.
Provides DHW temperature control. Also for use with
Sequencer kit.
ROOM SENSOR KIT.
Used with Modulating Sequencer kit for CH control.
SAFETY INTERLOCK KIT.
Provides boiler shut down via an external signal.
Содержание Evomax 30
Страница 1: ...EVOMAX CONDENSING BOILER PRODUCT FLUE GUIDE WE HAVE IT COVERED...
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