Instruction Manual

9
ON
OFF
C
M
C
HI
HI
LO
HI M
CC
GND
VAL
24V
TH
PS
IGN/FS
L2
IGN/240
L1
IGN/120
LED
FC ±
F2
F1
COM
NO
NC
COM
NO
NC
W
BL
PK
+
BL
STAGE
12
O
O
O
O
FIELD SUPPLIED
TRANSFORMER
CONNECTION
T'STAT
BK
GAS VALV E
G
LIGHTS
BK
INDICATOR
GY
PRESSURE
SWITCH
APS1
FEN 35-66 LADDER DIAGRAM - WITH RELAY PICKERS
120VAC
L1
IGNITOR
FLAME
FEN 35-66 IGNITION MODULE
W
W
PR
BLOWER
BK
ROD
BK
24VAC
120VAC
W
N
G
BK
BL
PK
BK
O
O
Y
BK
BK
G
BK
BK
BL
LOW
RELAY
BK
HIGH
RELAY
120/24VAC
TRANSFORMER
(FIELD SUPPLIED)
24VAC
120VAC
(FIELD SUPPLIED)
2-STAGE T'STAT
L1 N
Y(G)*
R (BK)*
O (W)*
T'STAT
120VAC
N
L1
(FIELD SUPPLIED)
2-STAGE T'STAT
24V
STAGE
1
2
FEN 35-66 BLOCK DIAGRAM - WITH RELAY PICKERS
TRANSFORMER
LOW
RELAY
HIGH
RELAY
120/24V
(FIELD SUPPLIED)
FIELD SUPPLIED
PRESSURE
SWITCH
BLOWER
IGNITION MODULE
FEN 35-66
CONNECTION
120VAC
L1
Y
W
BK
BK
BK
BK
BL
G
R(BK)*
Y(G)*
O(W)*
APS1 (NO)
PR
GAS VALV E
ROD
FLAME
IGNITOR
TRANSFORMER
GY
BK
BK
INDICATOR
LIGHTS
R
R
GY
BL
GY
BK
BK
BK
G
G
BK
PK
BK
W
BL
BK
W
BK
BK
Y
GY
BL
YY
R
G
BK
BK
BK
GY
PR
* If thermostat connetion is via a yellow
control cord, use parenthesized color code
* If thermostat connetion is via a yellow
control cord, use parenthesized color code
ON
OFF
C
M
C
HI
HI
LO
HI M
CC
GND
VAL
24V
TH
PS
IGN/FS
L2
IGN/240
L1
IGN/120
LED
FC ±
F2
F1
COM
NO
NC
COM
NO
NC
W
BL
PK
+
BL
STAGE
12
O
O
O
O
FIELD SUPPLIED
TRANSFORMER
CONNECTION
T'STAT
BK
GAS VALV E
G
LIGHTS
BK
INDICATOR
GY
PRESSURE
SWITCH
APS1
FEN 35-66 LADDER DIAGRAM - WITH RELAY PICKERS
120VAC
L1
IGNITOR
FLAME
FEN 35-66 IGNITION MODULE
W
W
PR
BLOWER
BK
ROD
BK
24VAC
120VAC
W
N
G
BK
BL
PK
BK
O
O
Y
BK
BK
G
BK
BK
BL
LOW
RELAY
BK
HIGH
RELAY
120/24VAC
TRANSFORMER
(FIELD SUPPLIED)
24VAC
120VAC
(FIELD SUPPLIED)
2-STAGE T'STAT
L1 N
Y(G)*
R (BK)*
O (W)*
T'STAT
120V
AC
N
L1
(FIELD SUPPLIED)
2-STAGE T'STAT
24V
STAGE
1
2
FEN 35-66 BLOCK DIAGRAM - WITH RELAY PICKERS
TRANSFORMER
LOW
RELAY
HIGH
RELAY
120/24V
(FIELD SUPPLIED)
FIELD SUPPLIED
PRESSURE
SWITCH
BLOWER
IGNITION MODULE
FEN 35-66
CONNECTION
120V
AC
L1
Y
W
BK
BK
BK
BK
BL
G
R(BK)*
Y(G)*
O(W)*
APS1 (NO)
PR
GAS VALV E
ROD
FLAME
IGNITOR
TRANSFORMER
GY
BK
BK
INDICAT
OR
LIGHTS
R
R
GY
BL
GY
BK
BK
BK
G
G
BK
PK
BK
W
BL
BK
W
BK
BK
Y
GY
BL
YY
R
G
BK
BK
BK
GY
PR
* If thermostat connetion is via a yellow
control cord, use parenthesized color code
* If thermostat connetion is via a yellow
control cord, use parenthesized color code
HL3 Series
2.0 Installation • Wiring
Figure 2.3 • Alternative Wiring Diagrams
A. 35-66 Ladder Diagram - With HLRP Relay
B. 35-66 Block Diagram - With HLRP Relay