Installation
AC-Q74 Installation and Programming Manual 13
4.2 Wiring the AC-Q74
The controller is supplied with a 16-inch pigtail, having a 4-conductor
cable.
To wire the controller:
1. Prepare the controller cable by cutting the cable jacket back 1¼
inch and strip the wire ½ inch.
2. Splice the controller pigtail wires to the corresponding devices
and cover each connection. Refer to Table 1 below and to the
wiring diagrams provided on the following pages.
Table 1: Wire Color Guide
Color Description
RED V INPUT
BLACK GROUND
WHITE C1
GREEN C2
3. Trim and cover all conductors that are not used.
A typical wiring diagram is shown in Figure 2.
Figure 2: Wiring Diagram and Schematic for the AC-Q74