Honeywell T775B Series Instruction Instructions page 7

WIRING APPLICATIONS (EXAMPLES)
SENSOR A
L1
(HOT)
24 VAC
L2
LOAD
COM
4
NO
LOAD
NO
1 COM
COM
LOAD
NO
2
COM
LOAD
NO
3
Fig. 9. Wiring for four-stage control – 24 Vac input
and 24 Vac load.
SENSOR A
T
T
+
C
NO
NO
COM
C
NC
1 FOR 240 VAC LOAD, CONNECT TO 240 TERMINAL.
Fig. 10. Wiring for two-stage control with 120 or 240
Vac (120 Vac input and 120 Vac load shown).
T
T
+
C
NC
NC
C
C
NO NO
NO NO
C
C
NC NC
120V
COM
1
POWER SUPPLY
NO
NO
C
LOAD 2
NC
COM
LOAD 1
+
C
NC
COM
C
NO
NO
NO
COM
M24476A
1 FOR 240 VAC LOAD, CONNECT TO 240 TERMINAL.
Fig. 11. Wiring for four-stage control with 120 or 240
Vac (120 Vac input and 120 Vac load shown).
1
NO
C
NC
BARCODE
CLOSE RELAY TO DRIVE DEVICE OPEN. RELAY 1 SHOWN.
1
(RELAYS 1 AND 3 ARE USED FOR OPEN).
2 CLOSE RELAY TO DRIVE DEVICE CLOSED. RELAY 2 SHOWN.
(RELAYS 2 AND 4 ARE USED FOR CLOSE).
THE RELAYS MUST BE WIRED IN PAIRS WITH RELAYS 1 AND 2
BEING THE FIRST PAIR, AND RELAYS 3 AND 4 BEING THE SECOND PAIR.
L1 (HOT)
Fig. 12. Wiring for floating output (Relay 1 and Relay 2
L2
M24477A
7
T775A/B/M SERIES 2000 CONTROLLER
T
T
NC
C
NO
NO
NO
C
C
NC
NC
LOAD 1
LOAD 4
2
NO
NO
COM
C
NC
COM
pair shown).
SENSOR A
120V
COM
1
LOAD
3
LOAD
2
M24478A
120/240 VAC LINE
DEVICE
OPEN
COM
CLOSE
NO
M24479
62-0254–03