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ECONOMIZER LOGIC MODULE
TR
TR1
5
1K
2
1
1S
3
4
2K
1S1
AT72 (40 VA)
TRANSFORMER
Q7002A
W7100 or W973
GND
24 VAC
TR
TR
W
R
ECONO
B
Y
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
Fig. 2. Q7002A wiring.
0-18 Vdc
OR
0-20 mA
(HOT)
0-20 Vdc or
4-20 mA
signal
1
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
2
THE POWER SUPPLY CAN BE 24 VAC (AS SHOWN) OR 24 VDC.
Fig. 3. Q7002B wiring with voltage or current input.
L1
0-18 Vdc
(HOT)
OR
L2
0-20 mA
1
L1
(HOT)
L2
L1
(HOT)
3-WIRE
L2
POTENTIO-
1
METER
1
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
2
THE POWER SUPPLY CAN BE 24 VAC (AS SHOWN) OR 24 VDC.
Fig. 4. Q7002B wiring with 3-wire potentiometer input.
0-18 Vdc
OR
0-20 mA
(HOT)
2-WIRE
VARIABLE
RESISTANCE
1
M13267
2
Fig. 5. Q7002B wiring with 2-wire variable resistance
5
Q7002A,B,C INTERFACE MODULES
SIG OUT
L1
24V PWR
L2
COM
REF OUT
1
2
SIG IN
SIG OUT
24V PWR
COM
REF OUT
1
2
SIG IN
SIG OUT
L1
24V PWR
COM
L2
REF OUT
1
2
SIG IN
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
THE POWER SUPPLY CAN BE 24 VAC (AS SHOWN) OR 24 VDC.
input.
Q7002B
M13268
Q7002B
M13269
Q7002B
M13270
63-2551
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