DriSteem Vapor-Logic Installationsanleitung PDF herunterladen (Seite 47)

TROUBLE-SHOOTING GUIDE

PROBLEM POSSIBLE CAUSE RECOMMENDED ACTION

HUMIDITY ABOVE

DESIRED LEVEL

(con't.)

Humidity control input type

not the same as

VAPOR-LOGIC software

Check VAPOR-LOGIC control board connections J9,

J10 and J11. Consult DRI-STEEM.

HUMIDITY ABOVE

SET POINT

High entering relative

humidity

Dehumidify.

Unit oversized Consult DRI-STEEM.

Reduced air flow Check fans, dampers, VAV systems, etc.

Improperly located

humidistat or humidity

transmitters

Relocate using guidelines established in this manual.

(See page 5.)

Malfunctioning controls Check for incorrect supply voltage.

Check for incorrect control signal.

Check for improper wiring hook-up.

If humidity controller or transmitter are out of calibration

or malfunctioning, repair or recalibrate.

If zone valve end switch is not opening, repair or replace.

If aquastat is malfunctioning and heaters are locked in,

check for 24 VAC return from aquastat.

Check if SCR shorted. Repair or replace as needed.

HUNTING (humidity

swings above and

below desired set

point)

Malfunctioning control

system

If there is a faulty or inaccurate humidity controller or

transmitter, repair or replace.

Check for proper VAPOR-LOGIC control settings: RH

set point, HL set point, throttling range, cycle rate, delay

time settings, PID tuning, etc.

Relocate poorly located control components. (See

humidity control placement drawing on page 5 for

recommendations.)

If inappropriate control components are being used,

change components.

If inappropriate control components are being used,

change components.

On SCR units: Control wire and power wires must be

physically separated from each other. If they are not, an

induced control voltage may occur, causing erratic

operation.

1 2 ... 42 43 44 45 46 47 48 49 50 51 52

Kommentare zu diesen Handbüchern

Keine Kommentare

DriSteem Vapor-Logic Installationsanleitung Seite 47

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Luftentfeuchter DriSteem Vapor-Logic