Changing The Setpoint Temperature; Setting The Auto-Defrost Cycle; Changing Fahrenheit And Celsius Setting - Hatco CSUR Série Manuel D'installation

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Changing the Setpoint Temperature

Use the following procedure to change the setpoint temperature
on the digital temperature controller.
NOTE: Changes to the setpoint temperature should be made
in small increments (1 to 2 degrees). Wait at least two
hours after a change in setpoint temperature before
checking for the desired result.
1. Press and hold the
display flashes the current setpoint temperature.
2. Press the or
setpoint temperature. If no key is pressed within 60
seconds, the display will revert to normal operation and
the current temperature of the unit will be shown on the
display.
3. Press the key to lock in the new setpoint temperature.
The display will revert to show the current temperature of
the unit.
Display
Unit
"Active"
Symbol
Digital Temperature Controller
NOTE: If the display flashes between "OFF" and the current
temperature, the unit is in standby mode. Press and
hold the key for three seconds to return the unit to
normal operation.
If the display flashes bewteen "df" and the current
temperature, the unit is in defrost mode. Press and
hold the key for three seconds to return the unit to
normal operation.

Setting the Auto-Defrost Cycle

The digital temperature controller is programmed at the factory
with the auto-defrost cycle deactivated. Use the following
procedure to activate the auto-defrost cycle if ambient or
operational conditions require the unit to defrost occasionally.
When the unit is in a defrost cycle,
display.
1. Press and hold the
programming mode. "PS" (password) will appear on the
display.
2. Press the key again. A numeric value will appear on
the display.
3. Press the or
on the display, then press the
4. Use the or key to scroll through the programmable
parameters until "dI" (defrost interval) appears on the
display.
Form No. CSRM-0220
key for one second until the
key to increase or decrease the
SET
Up Arrow/
Standby Key Key
Down Arrow/
Defrost Key
will appear on the
key for three seconds to access
key until the number "22" appears
key.
5. Press the key to select "dI". The current number of
defrost cycles will be shown on the display. For new units,
this value will be "0".
6. Press the or
the desired number of hours between defrost cycles. See
below for examples of how the defrost cycle(s) operate:
"0" = auto-defrost is deactivated
"1" = unit will defrost every hour
"4" = unit will defrost every four hours
"12" = unit will defrost every twelve hours
If no key is pressed within 60 seconds, the display will
revert to normal operation and the current temperature of
the unit will be shown on the display.
7. Press the key to lock in the new defrost cycle setting.
8. Press and hold the
programming mode. The display will revert to show the
current temperature of the unit.

Changing Fahrenheit and Celsius Setting

Use the following procedure to change between Fahrenheit and
Celsius on the display.
1. Press and hold the
programming mode. "PS" (password) will appear on the
display.
2. Press the key again. A numeric value will appear on
the display.
3. Press the or
on the display, then press the
4. Use the or
parameters until
5. Press the key to select
6. Press the or
the desired setting. See below for the correct setting:
"0" = Displays Celsius
"1" = Displays Fahrenheit
If no key is pressed within 60 seconds, the display will
revert to normal operation and the current temperature of
the unit will be shown on the display.
7. Press the key to lock in the new setting.
8. Press and hold the
programming mode. The display will revert to show the
current temperature of the unit.
23
OPERATION
key within 60 seconds to scroll to
key for three seconds to exit
key for three seconds to access
key until the number "22" appears
key.
key to scroll through the programmable
appears on the display.
.
key within 60 seconds to scroll to
key for three seconds to exit