Honeywell T775A Series Installation Instructions Manual page 8

T775A/B/M SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS
T
T
+
C
NC
COM
C
NO
NO
NO
NO
COM
C
NC
LOAD 4
Fig. 13. Wiring for Four-Stage Control with 240 Vac.
RELAY 1
1
NO
C
NC
CLOSE RELAY TO DRIVE DEVICE CLOSED. RELAY 1 SHOWN.
1
(RELAYS 1 AND 3 ARE USED FOR CLOSE).
CLOSE RELAY TO DRIVE DEVICE OPEN. RELAY 2 SHOWN.
2
(RELAYS 2 AND 4 ARE USED FOR OPEN).
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.
Fig. 14. Wiring for Floating Output (Relay 1 and Relay
2 Pair Shown)
62-0254—13
SENSOR A
240V
COM
NC
LOAD
C
3
NO
NO
LOAD
C
2
NC
LOAD 1
120/240 VAC LINE
2
DEVICE
RELAY 2
NO
NO
COM
C
NC
COM
NO
.
ML7984 ACTUATOR
T1 T2 C B R
POWER
MODULATING OUTPUT
TERMINAL (MOD 1)
Fig. 15. Wiring for ML7984 Valve Actuator
.
DIGITAL
INPUT
M33849
Fig. 16. Wiring for Digital Input (Dry Contact).
HONEYWELL MODUTROL MOTOR WITH
4-20 mA MODULATING INPUT
– +
T1 T2
POWER
1
CLOSE
COM
MODULATING OUTPUT
TERMINAL (MOD 1)
OPEN
USE SEPARATE TRANSFORMER FOR T775R WHEN USING 24 VAC.
1
Fig. 17. Wiring for Mod Motor or Direct Coupled
Actuator with 4 to 20 mA Control Input
M31361
8
W
B
–
R
+
W
B
–
R
+
W
(Using 4 to 20 mA Signal)
–
+
B
–
R
+
W
B
–
R
+
W
M27228A
M24482
M24481A