6 Operating Instructions
Option No 1:
The most frequent example. Air is taken in and evacuated
in the same room. A large sized room is required.
Hot air outlet: min. 3 m
Fresh air intake: min.1 m
Note: The hot air outlet may not
shortcycle with the fresh air intake.
Option No 2:
Air taken in from an adjoining room or from outside.If the
incoming air in winter is too cold, provide a condensation
pressure controller and the compressor casing resistance.
A screen can be provided in winter so that taking in the cold
air can however be prevented.
Note: The hot air outlet may not
shortcycle with the fresh air intake.
Option No 3:
Air intake and evacuation to outside or an adjoining room
using ducts.
For the maximum permissible pressure loss, note the
dimensions h+i
Take the same precautions as in Option No 2 for the
air intake temperatures in winter.
Note:Only permissable on chillers with radial fans.
h+i = 5 m max. with grid
h+i = 7 m max. without grid
Option No 4:
Air intake and evacuation at the same floor level,
either to outside or to an adjoining room.
A large bend is required in the duct so as to reduce
pressure loss.
Use the same precautions as in option No 2.
3 INSTALLATION AND INITIAL OPERATION
Options
Hot air outlet to top
Fresh air
intake
Hot air outlet to top
Fresh air
intake
Grid Hot air to top
Fresh air intake
h
i
Fan
Grid
Fresh air intake
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