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).
C
A
B
The high/low fire end vent suction adjustment is
made using the fan damper.
Setting Maximum Fire End Vent Suction.
1. Isolate supply from the motorised
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 from the motorised
damper.
2.
Press and hold the manual override
10 Modulation End Vent Suction Setting Procedure.
Nb
Please contact an AmbiRad representative for installations over 4000’ elevation
11 Modulation Technical Information.
Heater Model
ARC18LR(M)
ARC24LR(M)
ARC32LR(M)
ARC38LR(M)
Minimum Fire BTU
30,000
39,000
52,000
63,000
Maximum Fire BTU
74,000
98,000
130,000
155,000
Jet Size
LPG
L100535
(3.5mm)
L100540
(4.0mm)
L100544
(4.4mm)
L100548
(4.8mm)
Nat Gas
L100544
(4.4mm)
L100549
(4.9mm)
L100554
(5.4mm)
L100558
(5.8mm)
Shutter Plate
L100321
(17mm)
L100320
(19.5mm)
L100314
(22mm)
L100316
(24mm)
End Vent
Orifice Plate
L104102
(16mm)
L104101
(24mm)
L104100
(27mm)
L104103
(28mm)
End Vent Suction (All Models)
Minimum Fire
0.5” to 1” WG
Maximum Fire
2.5” to 3” WG
Содержание SmartCom3
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