APC INROOM ACPSC3000 Operations Instructions download pdf (Page 60)

InRoom CW/DX – Operating Instructions

< 1%

1-19%

20-29%

90-99%

< 1%

1-19%

20-29%

90-99%

100%

The yellow LED stays off when no steam is produced. Whereas it stays on continuously at 100% of the

nominal production.

When steam is being produced at a transient production rate while approaching the steady-state production,

the yellow LED is quickly turned on and off to produce 2 Hz-pulse sequences which are related to the actual

steam production as shown in diagram 1.

When the steady-state production is achieved, the yellow LED is slowly turned on and off to produce 0.5

Hz-pulse sequences which are related to the actual steam production as shown in diagram 2.

Each pulse sequence is separated by a 3-second delay, so that the user can count the pulse number of a

sequence and and use the diagram to determine the actual humidiﬁ cation capacity.

time

steam

Diagram 1: Steam production: yellow LED - transient production "short ﬂ ashing"

Diagram 2: Steam production: yellow LED - constant production "long ﬂ ashing"

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 79 80

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APC INROOM ACPSC3000 Operations Instructions Page 60