Page 32
Modulating Unitary Range
VA-LT206_11292016al
ELECTRICAL WIRING
Wiring Diagram with Potentiometer
1
2
3
4
5
6
7
8
SW1
SW2
SW3
SW4
OFF
ON
1
2
3
4
5
6
7
8
OFF
ON
1
2
3
4
5
6
7
8
OFF
ON
1
2
3
4
5
6
7
8
OFF
ON
VA 80
VA 115
VA 150
VA 200
SPEED CONTROLLER
SW1 DIP SWITCH
SW1 DIP SWITCH SETTINGS USING 10K OHM POTENTIOMETER FOR MODULATION
INTERNAL WIRING
EXTERNAL WIRING 18 AWG, 3 TWISTED PAIRS, SHIELDED
LINE FILTER
L
N
N
L
120V
60 HZ
BR
N.O. AIR
SWITCH
SWITCH
N.C. AIR
GROUND
GN
WT
BK
BR
RD
YE
GN
BN
YE
VT
RUN LAMP
YE
BN
IGNITER
SENSOR
PK
RD
BK
SEE FACTORY SETTING BELOW
NOT USED (TAPE END)
IGNITION MODULE
53X-24
IND
120L
FS
24V
1
2
3
4
5
6
7
8
SW1
OFF ON
I
V
J1
MODULATING CIRCUIT
BOARD
12
11
10
9
8
7
6
5
4
3
2
1
+
-
+
-
S3
S2
S1
SRTN
N
L
L
F
ISO
ALM
CAUTION
MAKE SURE THAT THE LIVE WIRE FROM THE
IGNITION MODULE IS TERMINATED TO THE
TERMINAL 'L' AS SHOWN AND NOT
TO TERMINAL 'N'
BLOWER
BL
ON/OFF SWITCH
10K OHM
POTENTIOMETER
Figure 33: Wiring Diagram with a Potentiometer