Ez Zone Wiring; Figure 1: Existing Ez Zone Master Controller Wiring - York EZ Zone Upgrade Manual

EZ Zone/Meridian

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
Bypass Air Damper
Actuator
90
75
60
45
Actuator Wiring
Interface
Feedback (BK)
Gnd (WH)
Open (YL)
Close (GR)
R
G
Y1
Y2
W1
W2
24VAC Only
Line
Voltage
24VAC
GND

Figure 1: Existing EZ Zone Master Controller Wiring

16
Meridian system wiring. All wiring should be connected
per the specific Meridian system wiring diagrams on
the following pages.
Master Controller Board
RS-485
Communication cable
to Zone Controllers
036-21423-001 Rev. A (0602)
Splice As
Required
Static
Pressure
Sensor
LO HI
Static
Pick-up
Supply Air
Temp Sensor
Upgrade