Auto-Zone Control Systems EZ-Zone to Auto-Zone Upgrade Guide (Version 01C) - Manual (Page 16)

EZ Zone/Auto-Zone
16 Upgrade
EZ Zone Wiring
The wiring diagram below depicts a typical existing
EZ Zone Master Controller wiring. This diagram is
shown for reference only. It’s intent is to show the dif-
ference between the EZ Zone system wiring and the Auto-Zone system wiring. All wiring should be con-
nected per the specific Auto-Zone system wiring dia-
grams on the following pages.
Static
Pick-up
Static
Pressure
Sensor
Supply Air
Temp Sensor
Splice As
Required
LO HI
HV
AC
Unit
24VAC Only
R
G
Y1
Y2
W1
W2
Line
Voltage
GND
24VAC
Actuator Wiring
Interface
Feedback (BK)
Close (GR)
Open (YL)
Gnd (WH)
Bypass Air Damper
Actuator
Red Blk Grn
RS-485
Communication cable
to Zone Controllers
Master Controller Board
75
90
60
45
Figure 1: Existing EZ Zone Master Controller Wiring