GE ArcamEBM Spectra H Installation Manual page 40

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6 6 . . 2 2 . . 3 3 C C o o o o l l i i n n g g C C i i r r c c u u i i t t S S u u p p p p l l y y D D a a t t a a
C C a a u u t t i i o o n n
Low incoming media temperature might cause severe condensation around the heat exchanger
circuit.
C C a a u u t t i i o o n n
Failure to supply cooling media to the EBM Machine might lead to process errors and build
failures.
The external cooling media supply has to meet following demands:
1. Temperature (°C)
2. External cooling media flow
(l/min)
3. Max flow 65 l/min
4. Possible condensation
5. Reduced cooling capacity
36
H H e e a a t t l l o o a a d d c c a a p p a a c c i i t t y y : :
A A v v e e r r a a g g e e h h e e a a t t l l o o a a d d o o v v e e r r t t i i m m e e : :
M M e e d d i i a a t t e e m m p p e e r r a a t t u u r r e e : :
F F l l o o w w : :
M M a a x x i i m m u u m m l l i i n n e e p p r r e e s s s s u u r r e e : :
M M e e d d i i a a t t y y p p e e : :
7 kW
2 to 2.5 kW
10 to 20 °C (50 to 68 °F)
Minimum 4 litres/min (1 US gal-
lon/minute)
5 bar (72 psi)
Ethylene glycol, 20%
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