BASO BGH2UNCNTRLHT-01 - Manual (Page 8)

8 BGH2UNCTRLHT-01 Universal Hot Surface Ignition Control Installation Instructions
GN
D
(2
4
V
)
GND (V
A
LVE
)
GND
(B
U
RNER)
HSI L1 HSI
24V
(TH)
VALVE
SE
N
S
E
(R
E
M
OT
E
)
Thermostat
High Temp
Limit
Combination
Gas Valve
24V
Class 2
Transformer
L2
120/240V
NEUTRAL 120/240V
HOT MARK
POS
L1 (Hot)
L2 (Neutral)
1
2
Power Supply. Provides disconnect means and overload protection as required.
The controls 24V circuit must not be in the ground leg to the transformer.
4
3 Alternate location for limit to the controller.
1
2
3
Check for the sensor tip of the Remote Flame Sensor is 3/8” (9 mm) to 1/2” (12.7 mm)
in the flame for proper sensing signal.
4
HSI
(Hot Surface Igniter)
Flame
Sensor
Chassis or
Frame Ground
1 2 3 4 5 6 7 8 9 10
Universal
Only
1
2
3
4
5
ON
5 Ensure the burner ground is in the pilot flame (3/8” [9mm] to 1/2” [12.7mm]) for proper sensing signal.
5
Burner
Ground
Figure 2: Typical Wiring for BGH2UNCNTRLHT-01 with Remote Flame Sense.