T775j electronic remote temperature controller – Honeywell Electronic Remote Temperature Controller T775J User Manual

Page 15

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T775J ELECTRONIC REMOTE TEMPERATURE CONTROLLER

63-2248—4

15

4-20 mA: This is a general purpose current mode output that can drive a 600 ohm maximum load without output current

12

3

4

OPEN

A

C

B

D

12

3

4

OPEN

A

C

B

D

12

3

4

OPEN

A

C

B

D

12

3

4

OPEN

A

C

B

D

A. SWITCH 1 CONTROLS THE RESET DIRECTION.
LEFT RESETS SENSOR A CONTROL POINT (BOILER OR CHILLER WATER TEMPERATURE UP;
RIGHT RESETS IT DOWN.

B. SWITCH 2 CONTROLS THE RESET ACTION.
LEFT RESETS AS SENSOR B (OUTDOOR TEMPERATURE) DROPS BELOW SETPOINT B;
RIGHT RESETS AS IT RISES ABOVE IT.

C. SWITCHES 3 AND 4 ARE NOT USED.

RESETS CONTROL SETPOINT A DOWN
WHEN SENSOR B (OUTSIDE
TEMPERATURE) IS BELOW SETPOINT.

RESETS CONTROL SETPOINT A DOWN
WHEN SENSOR B (OUTSIDE
TEMPERATURE) IS ABOVE SETPOINT.

RESETS CONTROL SETPOINT A UP
WHEN SENSOR B (OUTSIDE
TEMPERATURE) IS BELOW SETPOINT.

RESETS CONTROL SETPOINT A UP
WHEN SENSOR B (OUTSIDE
TEMPERATURE) IS ABOVE SETPOINT.

SETPOINT "B" (OUTSIDE TEMPERATURE)

BELOW

ABOVE

UP

DOWN

M4719

RESET DIRECTION
SWITCH

RESET ACTION
SWITCH

RESET DIRECTION
SWITCH

RESET ACTION
SWITCH

RESET DIRECTION
SWITCH

RESET ACTION
SWITCH

RESET DIRECTION
SWITCH

RESET ACTION
SWITCH

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