ecocool 150R
Operating Manual
Page 26
www.grantinstruments.com
2. Rotate the dial to scroll up and down the list, until
External pump
is highlighted, press the
S
to
select.
The Pump options are displayed
.
Pressing F returns to the settings screen without
making changes.
3. Rotate the dial to display the options: On, Off
4. Press the
S
to select and save the option
The display returns to the settings screen
.
5. Press
F
to return to the home screen.
Note that if a pump is already connected, it will start
pumping immediately. The heating circulator will
remember the pump setting when switched off
.
5.3.4 Selecting a liquid type
The liquid type determines the limits of the set point temperature range.
Selection of the liquid types below changes the settable temperature range as follows:
Liquid
Set temperature range
Water
5°C to 100°C
Water-Glycol
*-25°C to 70°C
Low Temp Oil
-25°C to 30°C
High Temp Oil
†
70°C to 150°C
Override
§-25°C to 150°C
* Water-Glycol (50% water, 50% antifreeze (inhibited ethylene glycol)
†
High Temp Oil (silicone fluid with the following characteristics: viscosity 20 centistokes,
flash point ≥230°C, fire point ≥280°C).
See section 4.7 for full description of recommended bath liquids.
§
When set to Override it is the user’s responsibility to select a suitable safe liquid.
See section 4.7 for full description of recommended bath liquids and precautions when
selecting a liquid.
.
°c
Presets
Settings
Liquid
Cooling
External pump
.
°c
Presets
Settings
Cooling
External pump
Liquid
On
