APPENDIX A - WATLOW
®
96 CONTROLLER
This appendix describes the operating instructions and default controller the Watlow 96
temperature & humidity controllers. A 96 controller can be identified by either an “96” in the upper
right corner or with an upper green/lower green led display.
Controller Layout
Temperature
1 2 3
1 - Output 1, indicates heating system
2 - Output 2, indicates cooling system
3 - Output 3, indicates temperature alarm
4 - “Advance” key
5 - “Infinity/Home” key
9
6 - “Up” key
8
7 - “Down” key
8 - Lower display, Setpoint Temperature (
°
C)
9 - Upper display, Actual Temperature (
°
C)
Humidity
1 - Output 1, indicates system humidification
2 - Output 2, indicates system dehumidification
3 - Output 3, Not used
4 - “Advance” key
5 - “Infinity/Home” key
6 - “Up” key
7 - “Down” key
6
4 5 7
8 - Lower display (green), Setpoint Relative Humidity (%RH)
9 - Upper display (green), Actual Relative Humidity (%RH)
The Output indicator lights on the controller are not continuously on. They are only on when the
specific system is in operation.
Change Set Point
Use the up and down arrow push-buttons to obtain the desired setpoint temperature or humidity.
Customer Menu (access by pressing “advance button”)
Alarm 3 Low A3LO
Alarm 3 High A3hi
Alarm Hysteresis 3 AhY3
Calibration Offset CAL 1
Event Set Point E Sp (2
nd
set-point, and diurnal light option)
2 0 .
0
