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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 -- -- -- --