9 retrofitting the cooling coil option – Eppendorf 3100 Digital Water Bath Shake User Manual
Page 34

28
Figure 11: Recorder Connector
NOTE:
The figure above is the pin-out diagram, as seen from the rear of the
unit. The chart below identifies the pin application and scale.
Pin #
Signal Name
Scale
6
Speed
1V = 100 rpm
2
Ground
7
Temperature
1 V = 20
° C
3
Ground
5.9
Retrofitting the Cooling Coil Option
The cooling coil option provides the ability to control temperatures below ambient in
the Innova 3100. Control can be maintained at a temperature of 5
°C or more above
the coolant temperature.
Check the parts in the Cooling Coil Kit to be sure you have everything you need:
Cooling Coil Kit (part #M1231-9920)
Quantity
Part Description
1
Stainless steel serpentine coil
1
Coil clamp
2
Short rubber hoses
2
Stainless steel screws
2
Stainless steel lock washers
8
Hose clamps
16 feet
Reinforced rubber hose
2
Rubber grommets