ZEC410 VAV Controllers Installation Instructions
11
Figure 9: ZEC410-2 Controller - VAV with Incremental Reheat Control Wiring Example
ZEC410-2
ZN-T
SA
DA
ZN-CO2
(Optional )
OCC-S
(Optional )
DA-T
(Optional)
VAV with No Fan
SUPPLY
RETURN
SUPHTG-O
(Optional)
SUPPLY
RETURN
H
C
SEE HEATING
VALVE DETAILS
BELOW
(OPTIONAL)
SF-C
ZN-T
SA
RA
DA
ZN-CO2
(Optional)
OCC-S
(Optional)
DA-T
(Optional)
ZEC410-2
VAV with Parallel Fan
SUPPLY
RETURN
SUPHTG-O
(Optional)
SUPPLY
RETURN
H
C
SEE HEATING
VALVE DETAILS
BELOW
(OPTIONAL)
VAV with Series Fan
SF-C
ZN-T
SA
DA
RA
ZN-CO2
(Optional )
OCC-S
(Optional )
DA-T
(Optional)
ZZEC410-2
SUPPLY
RETURN
SUPHTG-O
(Optional)
SUPPLY
RETURN
H
C
SEE HEATING
VALVE DETAILS
BELOW
(OPTIONAL )
1
2
4
8
16
32
64
128
ON
A
d
dr
es
s
:
Se
e
R
is
e
r
D
ia
g
ra
m
+15
IN3
ICOM 3
U
N
IV
ER
SA
L
SA PW R
COM
-
+
FC EOL
SA B
U
S
IN
COM
SHLD
-
+
FC
B
U
S
HOT
COM
24
~
ZEC410-1
SA BUS
FC BUS
IN2
ICOM 2
IN1
ICOM 1
+15 COM
MANUAL
OVERRIDE
OCOM3
OUT3
OCOM2
OUT2
B
INA
RY
OCOM1
OUT1
OCOM5
OUT5
OCOM4
OUT4
C
O
NF
IG
UR
A
B
L
E
CONNECTOR ON BACK
OF SENSOR
ZONE SENSOR ZN -T (IF
NETSTAT IS SELECTED )
24 V COM
24V HOT
SA PW R
COM
-
+
TO NEXT
DEVICE
FROM LAST
DEVICE
MS/ TP
MS/ TP
TO R E D W IR E
OC C U P A N C Y S W ITC H
TO B LA C K W IR E
OC C U P A N C Y S W ITC H
Occupancy Sensor
(OLS -2100 -1 )
CONNECTOR ON BACK
OF SENSOR
ZONE SENSOR ZN -CO2
24 V HOT
-
COM
SA PW R
24 V COM
24 V Hot
24 V Com
(OPTIONAL )
(OPTIONAL )
+
ZONE BUS
W IRING SEE
RISER DETAIL
-
+
SF -C
(OPTIONAL )
DA-T
DISCHARGE AIR TEMP
(OPTIONAL )
24 V Hot
24 V Com
NOTE: BOTH HEATING VALVES DEFAULT TO A 60
SECOND INCREMENTAL ACTUATOR . THIS IS
ADJUSTABLE IN VERASYS
TERMINATIONS FOR
2 WAY / 3 WAY COIL-A
VALVE CONFIGURATIONS
(SHOWN CCW TO OPEN)
HTG-O
(OPTIONAL )
TERMINATIONS FOR
3 WAY COIL-B VALVE
CONFIGURATION
(SHOWN CCW TO
CLOSE)
C W
C C W
C OM
C C W
C W
C OM
PIPING DETAILS SHOW N FOR VALVE CONFIGURATIONS:
SEE THE VALVE SCHEDULE FOR THE SPECIFIC CONFIGURATION
SEE THE W IRING DETAIL BELOW FOR TERMINATIONS FOR SPECIFIC APPLICATION
C
B
A
HTG-O
SUPPLY
RETURN
H
C
C
B
A
H
C
HTG-O
SUPPLY
RETURN
HTG-O
RETURN
H
C
3 W AY
COIL -A
3 W AY
COIL -B
2 W AY
SUPPLY
SUPHTG-O
(OPTIONAL )
C W
C C W
C OM
24 V Hot
( SHOWN CCW TO OPEN)
HTG-O
(OPTIONAL )
POW ER FROM 24 V AC
TRANSFORMER
CONNECT TO AIR FLOW PROBE
(POLARITY IS NOT IMPORTANT )
