ProFire PF2100 - Page 12

2322
Dual Rod Coil Wiring
Use this configuration when you want greater flexibility for rod placement.
Rod Positioning
Rod positioning is important for proper ignition and flame detection. The ignition rod should
be positioned (by bending it if necessary) so that there is a ⅛” to ¼” gap between it and the
front of the pilot nozzle. The flame rod should be positioned (by bending it if necessary) such
that 2” to 3” of its length is within the pilot flame. Make sure the ignition rod and flame rod
are not directly in line with each other. Otherwise, the ignition rod may cast a shadow on the
flame rod and cause the system to determine that no flame is present at the flame rod.
Flame Anchoring
Flame anchoring refers to how much in contact the flame is with the pilot nozzle. Poor flame
anchoring causes poor flame detection. Poor flame anchoring can be caused when there
is too much gas pressure resulting in the flame burning primarily outside of the nozzle as
opposed to along the inside and outside surfaces of the nozzle. It can also be caused by wind
or draft from the main burner.
Using Extra Rods to Improve Flame Detection
In some challenging installations such as non-enclosed or high velocity burners, adding one
or two additional rods may be necessary. A second flame detection rod can help in cases
where the flame may blow away from the primary rod from time-to-time. The addition of a
ground rod positioned further away from the nozzle tip can assist with detecting flames that
are not well anchored.
Distance Between 2100 and Pilot*
0 to 10 feet
10 to 25 feet
25 to 60 feet
Wire Size Hardware Version
14 to 16 Gauge
7mm Ignition Wire
7mm Ignition Wire
V 1.7 Terminal Card
V 1.7 Terminal Card
V 2.4 Terminal Card
*The distance is defined as the length of 2 as shown in the diagram.
Ion -
Ignition
Rod
Coil +
Coil -
1
5
3
4
External Coil, Black Baseplate
C
External Coil, Red Baseplate
B
Ion -
Bakelite
Connector
Coil +
Coil -
1
3
4
Ignition
Rod
5
Red
White
Black
Internal Coil, 3-Wire
A
Ignition Rod
Shielded Conduit
5
Ignition Wire
Ion -
Coil +
Coil -
1
3
4
Red
White
Black
Red
White
Black
+
+
Ignition
Coil
2 x Straight Silicone Boot
PF2100 Pluggable
Header P6
2 x Ferrule
Burner Housing
Ignition Rod
Flame Rod
Ground
Screw
4
3
2
1
{
{
5
Coi
l
Ion
1
1/8” to 1/4”