SKE Steam Humidifier
Installation Instructions and User Manual
28
9.3.
Programming
To enter into programming mode, please push
button at any time, to advance the program function to the next programming
step in the menu push the same button twice.
Unless other instructions, you can make a selection by using
&
buttons on control panel.
Step
Display
Description
Comment
01
Set point RH origin
Out
: Output set point to
HRO20 or HDM.
Int
: Internal.
Value
: from 00 to 100%
Default: Out 30%
To enable set point to humidifier display
Press the
button to reach step 5, the RUNNING message
will appear.
Press and hold the TEST button located on Main Pc board
inside electrical compartment for 10 seconds.
Release the TEST button then press the RESET button on the
same main pc board. Set point is now displayed on the
humidifier display.
If Output is selected, the set point is sent from the humidifier to the
humidistat HRO20 or HDM.
If HRM-X or HDM-X is connected with humidifier, please select
Internal, this will allow you to set up RH set point directly from
Humidifier.
To switch between Output and Internal Set point:
Press and hold the TEST button located on Main Pc board
inside electrical compartment until the change of the value.
02
optional
Set point VAV allows Hi limit
Duct humidity control
OFF
: Duct humidity control
disable.
65%:
High limit Duct
humidity set point value.
Default: OFF
If Set point VAV is disabling, no humidity signal from the VAV Duct
will be considered. If a Set point VAV value is set, the humidity
output will be controlled by both space and High limit duct humidity
signal.
To allow Set point VAV value:
Press and hold the TEST button located on Main Pc board inside
electrical compartment until OFF is disappeared.
You can then select the VAV Set point value desired by using
&
buttons on control panel.
Note: This Step will appear only if Internal has been selected at step 01
03
optional
Prop Band allows the set up
of proportional band.
From 3 to 9%
Default: 3%
Proportional band can be set from 3% to 9% of the humidity set
points values (Space and High limit duct).
Select the appropriate value by using
&
buttons on control
panel.
Note: This Step will appear only if Internal has been selected at step 01
04
DRAIN
8 HRS
Drain frequency.
From 1 to 24 hours
Default: 4 Hrs
Choose the initiation of a drain cycle for 1 to 24 hours.
In general, harder the water is, more often the drain cycle should
be.
Drain cycle setting does not affect the AFEC system.
05
RUNNING
0645HRS
Number of running hours
Information only, no
possible set up.
The humidifier has operated 645 hours since the last service.
After service, press simultaneously
&
buttons for 15 seconds
to reset the number of hours of operation to zero. This procedure
will stop the CHECK indicator from flashing.
06
SERVICE
1000HRS
Hour span between
servicing.
From 400 to 1500 hours.
Default: 1000 Hrs
You can set the number of hours of operation before the humidifier
will call for service (blinking of CHECK light every 4 seconds) from
400 to 1500 hours.
In general, harder the water is, lower the number of hours of
operation before service should be.
07
LOCK ON
80% PWR
Output Span.
From 00 to 100%.
Default: 100%
This option is available only on modulating model.
i.e.: In this case, the humidifier will deliver 80% of its maximum
rated output when at full demand.
Note:
Any changes made in the Program Mode are saved into a non-volatile memory.
When the humidifier is anywhere in the Menu Driven Program Mode, the normal operation of the humidifier is halted.
To resume normal operation, exit the menu program mode by pressing the
button until the alphanumeric display is clear.
(This happens after step 7)
SETPOINT
OUT 30%
SETPOINT
VAV OFF
PROPBAND
3%
