Detroit Radiant Products Company DX3 Series - Manual (Page 9)

W
BK
LINE
1
IGNITION MODULE
BR
SIC
1
PROB
E
BK
NEUT NEUT VALV
E
TH GN
D
R
O
W
BK
120VAC L1
BK
BK
G
W
N
BK
BK
BK
24VAC
Blower
Indicator Lights
Gas Valve
Pressure Switch
Igniter
Thermostat
Terminal
NO
NC
COM
Relay
BK
BK
W
BK W
R
Ground
Neutral
Valve
Neutral
TH
Line1
SIC1
Probe
G
BK
24VAC
BK
BK
BR
BK
BK
W
L1
120VAC
N
BK O
BK W
BK
Ignition Module
Pressure Switch
Indicator Lights
Blower
Burner
Igniter Flame
Rod
Terminal Block
Thermostat
Terminal
NO
NC
COM
Relay
Gas Valve
9
2.0 Installation • Wiring
Figure 2.3 • Alternative Wiring Diagrams
A. TP-351A Ladder Diagram - Internal Relay Option (24VAO)
B. TP-351A Block Diagram - Internal Relay Option (24VAO)
DX3 Series