Perma Pure Modular Board User Manual
Page 15
1
St
Frozen
DIP Switch 1, 2 and 3 are OFF, OFF and ON.
Menu
Item
Display Range
Set Point 1
SP1
-10 to 25 °C
Ready
1 rd1
-10
to
25
°C
Cycle
Time
CYC
1
to
18
Hours
Crossover Time
Cot
15 to 45 minutes
Set Point 1 is the temperature the cooler will try to maintain the impinger at
during operation.
Ready 1 is the temperature that impinger must be below to turn on the relay and
external equipment (i.e. sample pump)
Cycle Time is the length of the frozen period for each impinger.
Crossover Time is the period of time that both impingers are active to allow the
thawed impinger to cool to freeze prior to switch over.
2
nd
Frozen
DIP Switch 1, 2 and 3 are OFF, OFF and ON.
Menu
Item
Display Range
Set Point 1
SP1
-10 to 25 °C
Ready
1 rd1
-10
to
25
°C
Set Point 1 is the temperature the cooler will try to maintain the impinger at
during operation.
Ready 1 is the temperature that impinger must be below to turn on the relay and
external equipment (i.e. sample pump)
Note all timing is controlled by the 1
st
frozen control board.
Dual Channel Cooler
DIP Switch 1, 2 and 3 are OFF, ON and OFF.
Menu
Item
Display Range
Set Point 1
SP1
-10 to 25 °C
Ready
1 rd1
-10
to
25
°C
Set Point 2
SP2
-10 to 25 °C
Ready
2 rd2
-10
to
25
°C
Display dSP
Toggle
or
Switch