Honeywell T775A Product Data page 12

T775A,B,C,D REMOTE TEMPERATURE CONTROLLER
2
L1
SENSOR A
(HOT)
24 VAC
1
L2
LOAD 2
LOAD 1
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
FOR T775B,D: CONNECT SENSOR B TO PINS 7 AND 8.
2
3 DIP SWITCHES FOR SENSOR SELECTION. PRESENT OF T775B,D ONLY.
63-2489—2
SELECT SET ENTER
1 2 4 5 6 7 8
3
SENSOR
24V
TOD
A 2
OUTPUT 2
OUTPUT 1
NC
NC
COM
COM
NO
NO
Fig. 11. Two-stage control, 24 Vac input, 24 Vac load.
C \ F
TEMPERATURE
3
FALL
DIFFERENTIAL
SA SB
SETPOINT 2
DIFFERENTIAL
SETPOINT 1
TEMPERATURE
FALL
120V
COM
240V
12
COOL MODE
RELAY 1 AND 2
ENERGIZED
2
RELAY 1 ENERGIZED
1
NULL
HEAT MODE
NULL
RELAY 1 ENERGIZED
RELAY 1 AND 2
ENERGIZED
TEMPERATURE
RISE
SETPOINT 1
DIFFERENTIAL
1
SETPOINT 2
DIFFERENTIAL
2
TEMPERATURE
RISE
M7421A