Honeywell T775A - Post-Installation Checkout; Checkout Procedure and Verification

T775A,B,C,D REMOTE TEMPERATURE CONTROLLER
11 63-2489—2
Fig. 10. Checkout Table and checkout example with Sensor A = 68°F and Sensor B = 73°F.
SELECT ENTERSET
M7426A
HEAT OR COOL
MODE
DIFFERENTIAL
DESIGNATED
SENSOR
SETPOINT
SENSED
TEMPERATURE
LOAD 1
(HEAT)
LOAD 2
(HEAT)
LOAD 3
(HEAT)
LOAD 4
(HEAT)
CLOSED
OPEN
ON
ABAB
68
73 68
73
68
70
OFF72
70
OFF
ON
74
72
OFF
ON
76
74
LOAD 1
IS ON
LOAD 2
IS OFF
LOAD 3
IS ON
LOAD 4
IS ON
CHECKOUT EXAMPLE WITH SENSOR A = 68 AND SENSOR B = 73
STAGE ENERGIZED 1 3 4
NOTE: RELAYS ARE DE-ENERGIZED AT SET POINT
CHECKOUT TABLE
HEAT OR COOL
MODE
DIFFERENTIAL
DESIGNATED
SENSOR
SETPOINT
SENSED
TEMPERATURE
LOAD 1 LOAD 2 LOAD 3 LOAD 4
22
22
INDICATES LOAD STATUS WHEN SENSED TEMPERATURE REACHES SETPOINT.
INDICATES LOAD STATUS WHEN SENSED TEMPERATURE REACHES SETPOINT
MINUS DIFFERENTIAL (HEAT MODE).
1
1
1
1
1
2
2
2
2
2