Page 50 • DRI-STEEM XT Series Electrode Steam Humidifier Installation, Operation, and Maintenance Manual
Table 50-1:
System data operating mode (continued)
Mode
Program
variable
Definition
Default
display
Alternate
display
Range Increment Variable type
System
Data
(continued)
d.PLU
Drain plus. Adds drain time (in seconds) to the
calculated drainage duration.
00 00-99 1 Indicator
d.Int
Drain interval. Time (in minutes) between automatic
drains.
20 10-20 1 Indicator
d.Add
Drain additional. If the function is active, a drain
will occur at regular intervals independent of the
automatic drain:
oF function not active
on regular drainage active
oF on Indicator
d.HU
Drain humidistat. If the function is active, the
automatic drain will only occur after the humidistat
switches off:
oF function not active
on function active
oF on Indicator
d.H.Ad
Drain humidistat additional. This function activates
the drain valve (in seconds) after the humidistat
switches off.
Varies by
model
00-30 1 Indicator
FL.dL
Fill valve delay. Function is active (fill valve opening
delayed, in seconds) if current is sensed in the
monitored electrode wire upon call for humidity.
55 01-70 1 Indicator
FL.PU
Fill valve pulsed. If function is active, fill valve will
open for 3 seconds and close for 7 seconds repeatedly,
until water level in steam cylinder is adequate:
oF function not active
on function active
oF on Indicator
r1
r2
Relay 1 or Relay 2:
SE Collective message without E1
b Relay switches during steam operation
S Collective message (displayed if any E1-E5)
E1 Cylinder service message (displays at end of
cylinder life)
E2 Over current (displays if unit exceeds 140% of
nominal current and shuts unit down)
E3 No water (displays after 30 minutes if no water in
cylinder and shuts unit down)
E4 Uncoded replacement processor board
E5 Service setpoint reached
r1.SE
r2.E1
r1. b
r1. S
r1.E1
r1.E2
r1.E3
r1.E4
r1.E5
Indicator
noE1
No E1 message:
oF E1 message will be displayed
on E1 message is suppressed
oF on Indicator
SErv
Service set-point. Counter (in hours) for maintenance
interval.
00 Indicator
LIFE
Life of steam cylinder, Counter of steam cylinder
operating hours.
Indicator
totL
Total operating hours on the unit. Hours are counted
to 9999 then every 10 hours.
Indicator
FOAM
Setting of the anti-foam program:
oF function not active
on function active
oF on Indicator
1.CyL
2.Cyl
Control setting of single units (XT-10/20/30/50/75/100)
Control setting of double units (XT-150/200)
H.L. A
High limit actual. Displays relative humidity measured
by the high limit VAV transmitter.
0% <%RH> Indicator
AdrS Address of unit to be controlled by a PC. 01 00-29 01 Indicator
Operating modes (continued)
XT_IOM_Jan_2008.pdf 52 11/19/2009 10:13:40 AM