User manual

SEC-HD user manual Connecting equipment to your SEC-HD
15
Connecting variable-stage cooling
elements
The SEC-HD has two variable-stage cooling terminals for
connecting equipment such as variable-speed fans.
To connect variable-stage cooling elements
Connect variable cooling elements to your SEC-HD as shown in
the diagram.
Only permanent split capacitor motors appropriate for variable speed control, or
shaded pole motors, can be used on the variable stages.
 If you are using three-phase power, connect the SEC-HD and the variable
cooling equipment to the same phase. For more information, read Using three-
phase power on page 16.
 The ratings of the equipment must not exceed the ratings of your SEC-HD's
variable stages.
Variable stage ratings: 7 FLA at 120/230 VAC, PSC motor
1/2 HP at 120 VAC, 1 HP at 230 VAC, PSC motor
10 A at 120/230 VAC, general-purpose (resistive)
Variable stage fuses: 15 A, 250 VAC ABC-type ceramic