BASO BGH2UNCNTRLHT-01 - Manual (Page 7)

BGH2UNCTRLHT-01 Universal Hot Surface Ignition Control Installation Instructions 7
GN
D
(2
4V
)
GN
D
(V
A
LV
E
)
GND
(B
U
R
N
E
R
)
HSI L1 HSI
24V
(TH)
VALVE
SE
NSE
(R
E
M
OT
E
)
L2
120/240V
NEUTRAL 120/240V
HOT MARK
POS
4
1 2 3 4 5 6 7 8 9 10
UNIVERSAL
ONLY
1
2
3
4
5
ON
Combination
Gas Valve
Chassis or
Frame Ground
Thermostat
High Temp
Limit
24V
Class 2
Transformer
L1 (Hot)
L2 (Neutral)
1
2
3
HSI
(Hot Surface Igniter)
Wire
Nut
5
Burner
Ground
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.
For Internal Flame Sense circuits, check that the jumper wire is connected between HSI HOT
(terminal 7) and SENSE REMOTE (terminal 10).
5 Ensure the burner ground is in the pilot flame (3/8” [9mm] to 1/2” [12.7mm]) for proper sensing signal.
Figure 1: Typical Wiring for BGH2UNCNTRLHT-01 with Internal Flame Sense