SK300-XL Steam Humidifier
25
Programming mode
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
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.
If SHR10 or SHC80 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
D R A I N
8 H R S
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
R U N N I N G
0 6 4 5 H R S
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
S E R V I C E
1 0 0 0 H R S
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
L O C K O N
8 0 % P W R
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%
