Nortec BACnet - Manual (Page 21)

17 | BACnet & LONWORKS Supplemental Install Manual
Addressing and Communication
After wiring connections have been completed, the humidifier needs to be setup to operate and
communicate through the interface. The initial step is to configure the Control settings to
ensure the humidifier points to the installed option.
Control Signal Setting
By default the humidifier is configured operate on a hardwired control signal supplied through
the unit terminal strip. This can be changed to allow the humidifier to function entirely through
its Optional interface.
To adjust this setting:
1 Press the Menu icon on the lower left corner of the screen, to access the menu.
2 When prompted for a password, enter 0335 using the number pad. Press the Check Mark
icon to confirm.
3 Select the Configuration menu.
4 Select the Control Settings menu. The following settings can be adjusted:
Table 8: BTL / Lonworks Control Signal Parameters
Source
Analog: Use hardwired control signal
Modbus: Write control signal through BTL Certified BACnet Option
LonWorks: Write control signal through LonWorks Option
Control Mode
Demand: Use a demand control signal
RH P: Use a sensor value and proportional
RH PI: Use a sensor value and proportional-integral control band
Control Channels
Single: Use a single channel control signal
Dual: Use a dual channel control signal
Note: Refer to the CONTROL SETTING section of the NH-EL Installation and Operation Manual
for more information on the above settings.
5 Press Back repeatedly to return to the home screen when complete.
This procedure is summarized below:
Main Menu > 0335 > Configuration > Control Settings >
Source: Analog, Modbus, LonWorks
Control Mode: Demand, RH P, or RH PI
Control Channels: Single or Dual