Two-Stage Control, 24 Vac Input, 24 Vac Load - Honeywell T775A User Manual

Fig. 11—Two-stage control, 24 Vac input, 24 Vac load.
SELECT
SENSOR B
to pins 7 AND 8
for T775B, D
1 2 4
3
SENSOR
SENSOR
TOD
A
24 VAC
OUTPUT 2
NC
LOAD 2
COM
NO
LOAD 1
C \ F
DIP SWITCHES
FOR SENSOR
SELECTION.
PRESENT ON
T775B, D ONLY
SET ENTER
SA SB
5 6 7 8
24V
OUTPUT 1
120V
NC
COM
COM
240V
NO
TEMPERATURE
FALL
DIFFERENTIAL
2
SETPOINT 2
DIFFERENTIAL
1
SETPOINT 1
TEMPERATURE
FALL
13
T775A,B,C,D
CHECKOUT
COOL MODE
RELAY 1 AND 2
ENERGIZED
RELAY 1 ENERGIZED
TEMPERATURE
NULL
RISE
HEAT MODE
SETPOINT 1
NULL
DIFFERENTIAL
#1
RELAY 1 ENERGIZED
SETPOINT 2
DIFFERENTIAL
#2
RELAY 1 AND 2
ENERGIZED
TEMPERATURE
RISE
M7421
63-2489