T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER

962-0255—09
WIRING APPLICATION EXAMPLES

Fig. 12 – 19 illustrate typical controller wiring for various

applications.

NOTE: The electronic Series 90 output provided with

modulating T775 models can not drive elec-

tro-mechanical slidewire devices like older

Series 3 modulating meters (prior to Series

6), V9055s, and S984s.

NOTE: For a wiring example of three Series 90

Modutrol Motors, refer to the T775A/B/M

Series 2000 Electronic Stand-alone Control-

lers Installation Instructions (form 62-0254).

Fig. 12. Wiring for Two-stage Control – 24 Vac Input

and 24 Vac Load.

Fig. 13. Wiring for mod motor or direct coupled

actuator with 4 to 20 mA control input.

Fig. 14. Wiring for Two-stage Control with 120 Vac

(120 Vac Input and 120 Vac Load).

Fig. 15. Wiring for Two-stage Control with 240 Vac.

L1
(HOT)
L2
24 VAC
COM
NO
COM
NO
M24554A
C
S
V
T
T

–

+

LOAD 2
LOAD 1
C
NO
NC
C
NO
NC
C

+

FOR SPECIFIC SENSOR WIRING (TEMPERATURE, HUMIDITY,
PRESSURE, ETC), REFER TO THE SENSOR WIRING SECTIONS
BEGINNING ON PAGE 4.
1
1
USE SEPARATE TRANSFORMER FOR T775 WHEN USING 24 VAC.
1
M24557B
MODULATING OUTPUT
TERMINAL (MOD 1)
B
R
W+
–
B
R
W+
–
POWER
1
T1T2
–
+
HONEYWELL MODUTROL MOTOR WITH
4-20 mA MODULATING INPUT
C
NO
NC
C
NO
NC COM LOAD 2
LOAD 1
NO
COM
NO
COM
120V
M33844
1FOR SPECIFIC SENSOR WIRING (TEMPERATURE, HUMIDIT Y,
PRESSURE, ETC), REFER TO THE SENSOR WIRING SECTIONS
BEGINNING ON PAGE 4.
C+
120
COM
240
C
S
V
T
T
–
+
1
C
NO
NC
C
NO
NC
COM
LOAD 2
LOAD 1
NO
COM
NO
COM
240V
M33845
C+
120
COM
240
C
S
V
T
T
–
+
1
1FOR SPECIFIC SENSOR WIRING (TEMPERATURE, HUMIDIT Y,
PRESSURE, ETC), REFER TO THE SENSOR WIRING SECTIONS
BEGINNING ON PAGE 4.