Figure 6. internal burner wiring diagram – Reznor VPT Unit Installation Manual User Manual
Page 8
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If any of the original wire as supplied with the appliance must be replaced, it must be replaced
with wiring material having a temperature rating of at least 220°F/105°C
L
N
E
L1
Gas Control
MV
X
C
COM
W1
P
S0
P
S1
IN
D
R
E
G
as
V
alve
C
M
HI
NOTES:-
Power On light is permanently illuminated when 120V / 60 Hz AC external supply is connected to burner.
Additional wiring is required to install a thermostat and / or time clock.
Wire specification:- 18 AWG (1.0mm²), Tri-rated, 105°C
Pressure Switch
120V/24VAC 60Hz
Transformer
Power ON (red)
BK
R
Y
O
BR
GR
BL
KEY:
BL - BLUE
BK - BLACK
BR - BROWN
GR - GREY
G - GREEN
K - PINK
R - RED
W - WHITE
Y - YELLOW
O - ORANGE
P - PURPLE
BR
Y
P
Y
Y
R
W
G
BK
W
G
BL
BR
P
GR
P
GR
K
BR
W
BK
L
N
E
120V AC
Supply
BK
F1
N
E
F2
120V AC Fan
Terminals
High Fire
K
GR
24V AC
RELAY
21
14
24
11
A2
12
22
A1
High Fire
Relay
COIL
NC
NO
COM
C
W2
W1
R
24V AC Stat
Terminals
K
O
BL
BR
Low Fire
(amber)
C
W2
W1
R
24V Two stage
Thermostat
R
W
G
BK
W
G
BK
BL
R
BK
R
K
O
BL
BR
E
Figure 6. Internal Burner Wiring Diagram.