
13
® 2018 Valco Companies, Inc.
1. 16 total channels, 2 of which are VS channels. The variable speed channels can be on channels 7 and 8 or on
channels 15 and 16. Relay boards occupy banks 1 and 2 from the left in the enclosure.
2. 16 total channels, 4 of which are VS on channels 7, 8, 15 and 16. Relay boards occupy banks 1 and 2 from the left in
the enclosure.
3. 24 total channels, 2 of which are VS channels. The variable speed channels can be on channels 7 and 8 or on
channels 15 and 16. Relay boards occupy banks 1, 2 and 3 from the left in the enclosure.
4. 24 total channels, 4 of which are VS on channels 7, 8, 15 and 16. Relay boards occupy banks 1, 2 and 3 from the left
in the enclosure.
5. 32 total channels, 2 of which are VS channels. The variable speed channels can be on channels 15 and 16 or on
channels 31 and 32. Relay boards occupy all four banks in the enclosure.
6. 32 total channels, 4 of which are VS on channels 15, 16, 31 and 32. Relay boards occupy all four banks in
the enclosure.
Component Description
Variable Speed (VS) Configurations
The Ventra Pro is available in a 16, 24 or 32 channel controller. Variable speed stations can be added to provide
control for variable speed devices. It is important that you understand the control’s (VS) configuration if you are
using varible speed devices, and the control specifications for each device requirement.
Fuses:
Power Supply Input: 2.5 Amp 250VAC (5 x 20 mm) fast-acting interrupting type (Littelfuse 216 02.5 or equivalent)
Output Channel: 20 Amp 3AB ceramic body slow-acting type (Bussmann MDA-20 or equivalent 0.25 x 1.25”)
Power Input:
120VAC / 240VAC 2.0A Maximum
Maximum torque on power input terminal screws is 8 inch-pounds.
Output:
Depending on the model, up to 32 Normally Open relay output channels and up to 4 variable speed channels.
120VAC, 1 HP / 240VAC, 1.5 HP maximum per circuit.
Alarm Output:
120VAC / 240VAC, 10A general purpose, NO/NC connection.
Sensor Inputs:
14 analog and 6 digital
Environmental:
NEMA Enclosure type 4X
Dimensions:
Width is approximately 16.75 inches (42.54 cm)
Depth is approximately 10.25 inches (26.03 cm)
Height is approximately 18.75 inches (47.62 cm)
Controller
*
The DIP switches in the top left corner of the Switches board on the front cover need to be set accord
-
ing to the variable speed combination used. See page 38.
Control Specifications