DriSteem Vapor-Logic Anleitung zur Fehlerbehebung PDF herunterladen (Seite 98)

1BHFt%3*45&&.7BQPSMPHJD*OTUBMMBUJPOBOE0QFSBUJPO.BOVBM

Table 85-1:

Troubleshooting guide (continued)

Humidity set point issues

Issue

Possible causes Actions

Humidity above set point. t )JHIFOUFSJOHSFMBUJWFIVNJEJUZ t %FIVNJEJGZ

t 6OJUPWFSTJ[FE t $POTVMU%3*45&&.

t 3FEVDFEBJSGMPX t $IFDLGBOTEBNQFST7"7TZTUFNTFUD

t *NQSPQFSMZMPDBUFEIVNJEJTUBUPSIVNJEJUZ

transmitters

t 3FMPDBUFVTJOHHVJEFMJOFTJO"QQFOEJYTFDUJPOPGUIJTNBOVBM

t .BMGVODUJPOJOHDPOUSPMT t $IFDLGPSJODPSSFDUTVQQMZWPMUBHF

t $IFDLGPSJODPSSFDUDPOUSPMTJHOBM

t $IFDLGPSJNQSPQFSXJSJOHIPPLVQ

t *GIVNJEJUZDPOUSPMMFSPSUSBOTNJUUFSBSFPVUPGDBMJCSBUJPOPS

malfunctioning, repair or recalibrate.

t $IFDLJG443DPOUBDUPSTIPSUFE3FQBJSPSSFQMBDFBTOFFEFE

t $POUBDUPS443JTTUVDLDMPTFE t 3FNPWFQPXFSGSPNIVNJEJGJFSJNNFEJBUFMZ$POUBDU%3*45&&.

Hunting (humidity swings

above and below desired set

point)

t .BMGVODUJPOJOHDPOUSPMTZTUFN t *GUIFSFJTBGBVMUZPSJOBDDVSBUFIVNJEJUZDPOUSPMMFSPSUSBOTNJUUFS

repair or replace.

t $IFDLGPSQSPQFS7BQPSMPHJD

control settings: RH set point, high

limit set point, cycle rate, PID tuning, etc.

t 3FMPDBUFQPPSMZMPDBUFEDPOUSPMDPNQPOFOUT4FFi4FOTPS

placement” on Page 26.

t 0O443VOJUT$POUSPMXJSFBOEQPXFSXJSFTNVTUCFQIZTJDBMMZ

separated from each other. If they are not, an induced control

voltage can occur, causing erratic operation.

t 7FSJGZUIBULFZQBEEJTQMBZNPEVMBSDBCMFJTJTPMBUFEGSPNQPXFS

wiring.

t "JSWPMVNFWBSJFTSBQJEMZ t 4UBCJMJ[F

t "JSUFNQFSBUVSFJTWBSZJOHSBQJEMZ t 4UBCJMJ[FUP'$

t1SPQPSUJPOBMCBOEJTUPPTNBMMBOEPSJOUFHSBM

gain (Ki) is too large

t *G3)TXJOHTPVUTJEF1*%CBOEJODSFBTF1*%CBOEVTJOHUIF4FUVQ

menu.

t %FDSFBTFJOUFHSBMHBJO,JVTJOHUIF4FU6QNFOV

t 0OPGGDPOUSPMJTOPUBEFRVBUF t *GDPOUSPMMJOHUIFIVNJEJGJFSXJUIBOPOPGGTJHOBMDPOTJEFS

changing to controlling with a modulating signal.

Continued

5SPVCMFTIPPUJOHHVJEF

Operation

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