STT 110 / STT 160
8.4. Connection of Return Air Cooler (Optional)
F
A return air cooler must be employed if the return air temperature is higher than +65 °C (149°F).
You can connect the return air cooler to a coolant circuit or to the water mains network.
The water flow rate in the water mains network* is for:
STT 110. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . approx. 0.35 m3/h (12.46 cf/h) STT 160 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . approx. 0.48 m3/h (17.05 cf/h)
(*water temperature: +6 °C) (42.8°F) Rate your coolant circuit accordingly.
Connect the coolant in- and outlets to the return air cooler.
Observe the flowing direction of the coolant.
Check the tightness of the connections.
Connection of the return air cooler |
STT 110 / STT 160 |
Assembly instructions
