Supplied By www.heating spares.co Tel. 0161 620 6677
4
2.13
PUMP DUTY
Fig. 3 shows the flow rate available – after allowing
for pressure loss through the appliance – for
system requirements. When using this graph
apply only the pressure loss of the system. The
graph is based on 20
°
C temperature differential.
Fig. 4
Terminal position for fan assisted boiler
(minimum distance)
mm
A
-
Directly above or below an open window
300
or other opening (e.g. air brick)
B
-
Below gutters, soil pipes or drain pipes
25
C
-
Below eaves
25
D
-
Below balconies or car port roof
25
E
-
From vertical drain pipes and soil pipes
75
F
-
From internal or external corners
25
G
-
Above ground or below balcony level
300
H
-
From a surface facing a terminal
600
I
-
From a terminal facing a terminal
1200
J
-
From an opening in the car port (e.g. door
window) into dwelling.
1200
K
-
Vertically from a terminal on the same wall
1500
L
-
Horizontally from a terminal on the same wall
300
M
-
Horizontally from a vertical terminal to a wall
300
N –
Horizontally from an opening, airbrick,
openable window, etc.
300
NOTE:The flue must be terminated in a place not likely to cause a
nuisance.
2.11 Adjustable operating parameters
PARAMETER
MINIMUM
MAXIMUM
FACTORY SETTING
Maximum fan speed (HW mode)
Fixed
Fixed
5.500 RPM
Maximum fan speed (CH mode)
See fig. 32
See fig. 32
5.500 RPM
Minimum fan speed
Fixed
Fixed
1.700 RPM
Soft-light fan speed
Fixed
Fixed
4.400 RPM
Pre-heat
Fixed
Fixed
55
°
C
Pre-heat temperature drop
5
°
C
30
°
C
20
°
C
Anti-cycle delay
0 seconds
306 seconds
92 seconds
Central heating flow temperature
20
°
C
90
°
C
75
°
C
Hot water outlet temperature
40
°
C
65
°
C
65
°
C
Pump over-run
3 m
99 m
10 m
2.12 Emissions
MIN. OUTPUT
MAX. OUTPUT
NO
x
15 ppm
30 ppm
CO
50 ppm
50 ppm
CO
2
9,8%
9,8%
CO/CO
2
ratio
0.0005 to 1
0.0005 to 1
Fig. 3
Water pressure (mbar)
Litres Per Hour (x100)
0 100 200 300 400 500 600 700 800
600
500
400
300
200
100
900 1000 1100 1200 1300 1400