WattMaster Auto-Zone Plus, Design, Installation And Operation

Page: 169 / 180

Auto-Zone Plus Section 4
Start-Up and Troubleshooting 4-51
4.2.7 CV Controller Wiring
Figure 4-16:
Typical CV Controller Wiring Diagram
Notes:
Line Voltage
Line Voltage
See Note 1 & 2
See Note 1 & 2
Wx or Yx (Htg or Clg Stage x)
Wx or Yx (Htg or Clg Stage x)
Wx or Yx (Htg or Clg Stage x)
Wx or Yx (Htg or Clg Stage x)
G (Fan-On/Off)
R (24VAC)
Constant Volume
Unit Connections
CV Controller
R
SH
T
R
SH
T
R
SH
T
R
SH
T
All Comm Loop Wiring Is
Straight Thru
Required VA For Transformer
Each CV Controller = 20VA Max.
24VAC
24VAC
GND
GND
Mount In HVAC
Unit Supply
Air Duct
Auxiliary Alarm
Input
Switch Supplied
By Others
Discharge
Air Temp.
Sensor
GND
AUX
TMP
NORMAL
OVR
R
E
L
O
C
R
E
M
R
O
A
W
Room Sensor Local Loop
RS-485
9600 Baud
Connect To
Next Controller
And/Or
MiniLink On
Local Loop
Connection To
AUX Terminal is Reqd
Only When Sensor
Is Specified With
Slide Adjust Option
1.)24 VAC Must Be Connected So
That All Ground Wires Remain
Common.
2.)All Wiring To Be In Accordance
With Local And National
Electrical Codes And
Specifications.
3.)All Communication Wiring To
Be 2 Conductor Twisted Pair
With Shield. Use Belden
#82760 Or Equivalent.
Economizer
Actuator
(Belimo Shown)
Consult Factory For
Other Manufacturers
Wiring Connections
Note:
Up To 4 Stages Of Heating Or
Cooling Or Any Combination Of
Each Is Allowed And Programmable
Via The System Manager or
Computer Front End Software. If The
Unit Has Heat, Heating Stages Must
Be Connected To The First Outputs
in Consecutive Order And Cooling
Stages To The Remaining Outputs In
Consecutive Order.
Outside Air
Temp. Sensor
(See Note 4)
4.)Only One Outside Air
Sensor Is Required Per
System. It May Be
Connected To Any CV
Controller On The System.
If The Wetbulb Module Is
Used, The OA Sensor Must
Be Connected To The
Wetbulb Module.
Y 3
+ 2
COM 1
AIN 1
12V
TB2
RELAY
OUTPUTS
AIN 2
AIN 3
AIN 4
AIN 5
GND
GND
AOUT
TB3
Caution:
When Wiring The CV Controller Be Sure To
Disconnect All Communication Loop Wiring
From The CV Controller Before Removing Power
From The CV Controller. Reconnect Power And
Then Reconnect Communication Loop Wiring.
T
SHLD
R
COM 1-3
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
TB1
24VAC
GND
COM 4-5
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