29
VAPOR-LOGIC
®
VERSION 6 INSTALLATION AND OPERATION MANUAL
INSTALLATION
Step 2 – Setup
Table 30-1:
Settings menu
Menu item
Default value
Minimum
value
Maximum value
Units
Notes
Control
Control Input Signal
--
--
--
--
Control Input Signal (type)
--
--
--
--
Type chosen must match hard wired input
RH Transmitter
--
--
--
--
4-20mA room or duct sensor
RH Setpoint
35
0
100
%
RH Offset
0
-20
20
%
PID tuning
--
--
--
--
PID band
10
0
50
%
DriSteem recommends using default values
for offsets and PID settings when first setting
up your humidifer .
Proportional gain
80
0
1000
--
Integral gain
40
0
1000
--
Derivative gain
0
0
1000
--
VDC Demand
--
--
--
--
Voltage signal by others or modulating
humidistat
VDC Settings
--
--
--
--
0% output (VDC)
1 .0
0 .0
Maximum
VDC
100% output (VDC)
9 .0
Minimum
16 .0
VDC
mA Demand
--
--
--
--
Current signal by others
mA Settings
--
--
--
--
0% output (mA)
4 .0
0 .0
Maximum
mA
100% output (mA)
20 .0
Minimum
20 .0
mA
Fieldbus
--
--
--
--
BACnet, LonTalk or Modbus communicated
signal by others
(See
Communications
settings)
--
--
--
--
Humidistat
--
--
--
--
On-off humidistat
Duct RH Limit
Limit Type
Switch
--
--
--
Switch
--
--
--
--
Humidistat (switch) installed in duct
Transmitter
--
--
--
--
Humidity sensor installed in duct
High Limit Settings
--
--
--
--
Duct HL Setpoint
80
5
95
%
Duct HL Span
6
0
20
%
Span (throttle span) is a threshold below
the high limit setpoint where the humidifer
reduces output but does not turn off until the
device high limit set point is reached .
Duct HL Offset
0
-20
20
%
Not Used
--
--
--
--
