Baltimore Aircoil Company Trillium Series Operating And Maintenance Instructions Manual page 21

Diagram showing sequence of fan motor address
No. Conn. Designation
KL 1 1
KL 1 2
KL 1 3
PE PE
KL 2 1 RSA
KL 2 2 RSB
KL 2 3 GND
Kl 2 4
KL 2 5 Din1
KL 2 6 + 10 V
KL 2 7 Ain U
KL 2 8 NC
6 Maintenance procedure
6 Maintenance procedure
A. Control Panel
B. 4 Fan Unit
C. 6 Fan Unit
D. 8 Fan Unit
E. 10 Fan Unit
F. 12 Fan Unit
G. 14 Fan Unit
L1 Mains supply connection, supply voltage 3~380÷480 VAC; 50/60
Hz
L2 Mains supply connection, supply voltage 3~380÷480 VAC; 50/60
Hz
L3 Mains supply connection, supply voltage 3~380÷480 VAC; 50/60
Hz
Earth connection, PE connection
Bus connection RS-485, RSA, MODBUS RTU; SELV
Bus connection RS-485, RSB, MODBUS RTU; SELV
Signal ground for control interface, SELV
C Status relay; floating status contact; changeover contact; common
connection; contact rating 250 VAC / 2 A (AC1)
Digital input 1 enabling of electronics
Enabling: open pin or applied voltage 5-50 VDC
Disabling: bridge to GND or applied voltage < 1 VDC
Reset function: triggers software reset after a level change to <1 V;
SELV
Fixed voltage output 10 VDC, +10V ±3%, max. 10 mA, short
circuit-proof, power supply for external devices (e.g.
potentiometer), SELV
Analogue input 1 (set value) 0-10 V, Ri=100 kΩ, parametrisable
curve, only usable as alternative to input Ain1 SELV
Status relay, floating status contact, break for failure
Legend for internal motor terminal strip
Schematic of internal motor terminal strip
Function / assignment
W W W . B A L T I M O R E A I R C O I L . E U
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