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7. Press the MENU button to display the current
value. (5)
8. Press the Down
↓
button to change the display
to 2.
9. Press the MENU button to save the new value.
10. Press and hold the MENU button until display
changes to flashing SP.
11. Press the Down
↓
button until the display changes
to SF.
12. Press the MENU button to display the current
value. (1)
13. Press the Down
↓
button to change the display
to 0.
14. Press the MENU button to save the new value.
15. Remove cover and place jumper on P5 in
“Keypad Locked” position. (One pin exposed)
16. Replace and secure cover. Control is
programmed, locked, and ready to operate.
ELECTRONIC REFRIGERATION CONTROL (ERC)
NOTE: These units have part numbers that end with
“E” and only applies to these units.
Prerequisites
•
The glycol bath must cover the evaporator and low
level probe.
Initial Power-up Delay
The control has a 30-second delay when power is
connected, or disconnected and reconnected. The
display will show Pd (power delay) and the seconds
left in the countdown cycle.
Normal Circuit Operation
Pressing the COMP/AGIT button will start the water/
glycol bath agitator immediately and initiate a 180
second compressor delay. The display will show Cd99
(compressor delay & 99 seconds) and will start to
count down from 99 seconds after the first 81 seconds
have elapsed. After 180 seconds the compressor and
condenser fan motor energize and the COMP/AGIT
LED will start flashing. Pressing any of the CIRC A,
CIRC B, CARB B, or CARB A buttons will immediately
STH13_Tech.book Page 111 Wednesday, September 15, 2010 3:20 PM