ZEC410 VAV Controllers Installation Instructions
13
Figure 10: MULTIZONE UNIT VAV WITH PROPORTIONAL REHEAT CONTROL
HI
(Red)
LO
1
2
4
8
16
32
64
128
ON
A
d
d
re
ss:
S
e
e
R
is
e
r D
ia
g
ra
m
+15
IN3
ICOM3
U
N
IV
E
R
SAL
SA PWR
COM
-
+
FC EOL
SA
BU
S
IN
COM
SHLD
-
+
FC
B
U
S
HOT
COM
24
~
ZEC410-3
SA BUS
FC BUS
IN2
ICOM2
IN1
ICOM1
+15 COM
MANUAL
OVERRIDE
OCOM3
OUT3
OCOM2
OUT2
BI
N
A
R
Y
OCOM1
OUT1
OCOM5
OUT5
OCOM4
OUT4
CO
NF
IG
U
R
A
B
L
E
CONNECTOR ON BACK
OF SENSOR
ZONE SENSOR ZN -T (IF
NETSTAT IS SELECTED )
24V COM
24V HOT
SA PWR
COM
-
+
TO NEXT
DEVICE
FROM LAST
DEVICE
MS/TP
MS/TP
TO RED WIRE
OCCUPANCY SWITCH
TO BLACK WIRE
OCCUPANCY SWITCH
Occupancy Sensor
(OLS-2100 -1)
CONNECTOR ON BACK
OF SENSOR
ZONE SENSOR ZN -CO2
24V HOT
-
COM
SA PWR
24V COM
24V Hot
24V Com
(OPTIONAL)
(OPTIONAL)
+
ZONE BUS
WIRING SEE
RISER DETAIL
CONNECT TO AIR
FLOW PROBE
-
+
SF-C
(OPTIONAL )
DA-T
DISCHARGE AIR TEMP
(OPTIONAL)
24V Hot
24V Com
NOTE: SUPPLEMENTAL VALVES DEFAULT TO A 60
SECOND INCREMENTAL ACTUATOR . THIS IS
ADJUSTABLE IN VERASYS
SUPHTG-O
(OPTIONAL )
CW
CCW
COM
-
+
HTG-C
(OPTIONAL )
-
+
HTG-O
(OPTIONAL )
NOTE: THE DRAWING SHOWS A CONNECTION TO AN
ELECTRIC SCR REHEAT COIL WHICH IS
PROPORTIONALLY CONTROLLED . THE HTG-O
SIGNAL IS 0-10V WHICH COULD CONTROL A
PROPORTIONAL WATER VALVE . THE APPLICATION
IS SETUP TO SUPPORT EITHER .
POWER FROM 24V AC
TRANSFORMER
ZEC410-1
ZN-T
SA
DA
ZN-CO2
(Optional)
OCC-S
(Optional)
DA-T
(Optional)
VAV with No Fan
SUPPLY
RETURN
SUPHTG-O
(Optional)
E
C
SCR
HTG-O
(Optional)
HTG-C
(Optional)
SF-C
ZN-T
SA
RA
DA
ZN-CO2
(Optional)
OCC-S
(Optional)
DA-T
(Optional)
ZEC410-1
VAV with Parallel Fan
SUPPLY
RETURN
SUPHTG-O
(Optional)
E
C
SCR
HTG-O
(Optional)
HTG-C
(Optional)
VAV with Series Fan
SF-C
ZN-T
SA
DA
RA
ZN-CO2
(Optional)
OCC-S
(Optional)
DA-T
(Optional)
ZEC410-1
SUPPLY
RETURN
SUPHTG-O
(Optional)
E
C
SCR
HTG-O
(Optional)
HTG-C
(Optional)
