Technical data

29
9 WIRING DIAGRAMS
9.1 ILLUSTRATED WIRING DIAGRAM
Alpha 500E - Wiring Diagrams
NOTES:
1) REMOVE LINK FROM
TERMINALS 1 & 2 TO CONNECT
EXTERNAL CONTROL (240V SWITCHING)
2) A FROST THERMOSTAT IS INCORPORATED
WITHIN MAIN PCB
3) LINK BETWEEN TERMINALS 55 & 56 MUST BE CONNECTED
Br - Brown
Bk - Black
Bl - Blue
R - Red
Y - Yellow
G - Green
G/Y - Green/Yellow
W - White
Gy - Grey