GeneralAire DS50 LC Elite Steam - Manual (Page 17)

DS 50 / DS 50 LC +030222065 Rev. 1.2 17
3.7 Wiring Connections:
Terminals
Functions Electrical specifications
L1-L2 -GROUND Power supply and Ground connections Power supply 230 VAC 1-phase 50-60Hz
6.9kW
KEY Programming port Connecting to Programming port or
supervisor
N1-GND- N2 NTC air proving sensor Connection to NTC 2K and 10K to 20°C
AB-AB Remote enabling input Imposes an external NO contact ;
Rmax=300 Ohm; Vmax=33 Vdc;
Imax=6mAdc; humidifier enabled =
contact closed
If programmed 0...10V:
Input impedance 10 kOhm
IN-GND Control signal input
If programmed ON-OFF:
Vmax 33Vdc
Imax = 5mA Rmax = 300 Ohm
NC-C-NO NC alarm contact
Common alarm contact
NO alarm contact 250V; 8Amp max with resistive load; 4
Amp max with inductive load
NO-C External fan relay 250V; 8Amp max with resistive load; 4
Amp max with inductive load
24GND Power for external humidistat Power supply for external humidistat 24
Vac; 2 Watt
K Contactor
TAM Amperometric transformer Setting TAM 500 with pin strip
3.7.1
Wiring diagram of controller
D A
Fig. 3.w