Ambirad SmartCom3 Manuale - Pagina 11
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10 Modulation End Vent Suction Setting Procedure.
The high/low fire end vent suction adjustment is
made using the fan damper.
Setting Maximum Fire End Vent Suction.
1.
Isolate
supply
damper.
2.
Press and hold the manual override
button (C) — damper can now be
adjusted manually.
3.
Rotate damper spindle until end vent suc-
tion of between 2.5" to 3" WG is
achieved. Release the manual override
button.
4.
Using a phillips screwdriver, reposition
the
mechanical end stop (A) to final
bracket position.
5.
Reconnect power to damper. Recheck
correct direction of rotation (i.e. when
4mA from controller = damper fully open.)
If this is not correct, use a flat head
screwdriver and change the direction
switch (B).
Setting Minimum Fire End Vent Suction.
1.
Isolate
supply
damper.
2.
Press and hold the manual override
11 Modulation Technical Information.
Minimum Fire BTU
Maximum Fire BTU
Jet Size
LPG
Nat Gas
Shutter Plate
End Vent
Orifice Plate
Minimum Fire
Maximum Fire
Nb
Please contact an AmbiRad representative for installations over 4000' elevation
from
the
motorised
from
the
motorised
ARC18LR(M)
30,000
74,000
L100535
(3.5mm)
L100544
(4.4mm)
L100321
(17mm)
L104102
(16mm)
End Vent Suction (All Models)
B
button (C) — damper can now be
adjusted manually.
3.
Rotate damper spindle until low fire end
vent suction of between 0.5" to 1" WG is
achieved. Release the manual override
button (C).
4.
Using a phillips screwdriver, reposition
the mechanical end stop (A) to final
bracket position.
5.
Reconnect power to damper. Recheck
correct direction of rotation (i.e. when
4mA from controller = damper fully open.)
If this is not correct, use a flat head
screwdriver and change the direction
switch (B).
Heater Model
ARC24LR(M)
ARC32LR(M)
39,000
52,000
98,000
130,000
L100540
L100544
(4.0mm)
(4.4mm)
L100549
L100554
(4.9mm)
(5.4mm)
L100320
L100314
(19.5mm)
(22mm)
L104101
L104100
(24mm)
(27mm)
0.5" to 1" WG
2.5" to 3" WG
C
A
ARC38LR(M)
63,000
155,000
L100548
(4.8mm)
L100558
(5.8mm)
L100316
(24mm)
L104103
(28mm)