Page 30
Modulating Unitary Range
VA-LT206_11292016al
Wiring Diagram with Honeywell Modulating Thermostat
Figure 31: Wiring Diagram with Honeywell Modulating Thermostat
ELECTRICAL WIRING
General Requirements
Heaters are normally controlled by modulating thermostats. In all cases, heaters must be grounded in
accordance with the National Electric Code, ANSI/NFPA 70 in the US, and the Canadian Electric Code,
CSA C22.1 in Canada, and must comply with all local requirements. Heaters may also be controlled with
a manual line switch or timer switch potentiometer with or without timer in place of a thermostat. Refer
to Figure 31 for guidance on electrical wiring of heaters.
If any of the original wire as supplied with the heater must be replaced, it must be replaced with wiring
having a rating of at least 105°C temperature service and 600 volts capability.
INTERNAL WIRING
EXTERNAL WIRING 18 AWG, 3 TWISTED PAIRS, SHIELDED
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
SW1 DIP SWITCH SETTINGS USING EXTERNAL 0-10V ANALOG INPUT
SPEED CONTROLLER
SW1 DIP SWITCH
LINE FILTER
L
N
N
L
120V
60 HZ
RED
24V
YELLOW
BROWN
GREEN
WHITE
RED
BLACK
BROWN
N.O. AIR
SWITCH
N.C. AIR
SWITCH
RED
RED
BROWN
GREEN
YELLOW
YELLOW
RUN
LAMP
BROWN
PURPLE
IGNITER
SENSOR
PINK
IGNITION MODULE
53X-24
IND
120L
FS
24V
BLACK
RED
RED
1
2
3
4
5
6
7
8
SW1
OFF ON
I
V
J1
SEE THE FACTORY
SETTINGS BELOW
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
WHITE
BLOWER
THERMOSTAT HONEYWELL
TB7980D
(MOUNTED EXTERNALLY)
1
2
3
4
5
6
7
8
9
10
11
12
24 VAC
COM
AN1
COM
T2 / AN2
T2 / COM
T3
T3
COM
SENSOR
C / OVER
NSB
GAS VALVE
BROWN
Содержание VA Range
Страница 1: ...Installation Operation and Service Instructions VA RANGE MODULATING UNITARY INFRARED HEATERS ...
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