VAV/Zone Controller Expansion Module Wiring
22
VAV/Zone Controller Package
INSTALLATION & WIRING
Typical Wiring For
Single Duct Terminal
With Modulating Hot
Water Heat
Typical Wiring For
Fan Terminal With
Modulating Hot
Water Heat
0-10 VDC Modulating
Hot Water Valve
Supplied & Wired
By Others
0-10 VDC Modulating
Hot Water Valve
Supplied & Wired
By Others
0-10 VDC
0-10 VDC
GND
GND
AOUT
AOUT
HWV
HWV
+
+
0-10 VDC
0-10 VDC
_
_
Remove Control Board
from Snaptrack & Mount
Snaptrack on Box
Remove Control Board
from Snaptrack & Mount
Snaptrack on Box
GND
AOUT
COMM
STAT
ALRM
PWR
COM
R2
R1
GND
P1
R17
R16
R15
R14
R13
R12
R11
R10
D8
D7
D6
D5
X1
U6
U5
U4
U3
U2
U1
TB2
TB1
R9
R8
R7
R6
R5
R4
R3
R2
R1
Q4
Q3
Q2
Q1
J1
D4
D3
D2
D1
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
BIN1
C11
D13
R18
R19
R20
TB3
U7
U8
YS
102532
RE
V
R
0A
WA
TTM
ASTER
CONTROLS
,I
N
C
MA
DE
IN
U
S
A
R4
R3
LM780
5
.1uF
1uF
10
0
2
10
0
2
10
0
2
10
0
2
1
002
10
0
2
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
.1uF
.1uF
.1uF
.1uF
.1uF
.1uF
.1
u
F
.1
u
F
.1
u
F
1002
LM358
04
04
04
LT1785
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
GND
AOUT
COMM
STAT
ALRM
PWR
COM
R2
R1
GND
P1
R17
R16
R15
R14
R13
R12
R11
R10
D8
D7
D6
D5
X1
U6
U5
U4
U3
U2
U1
TB2
TB1
R9
R8
R7
R6
R5
R4
R3
R2
R1
Q4
Q3
Q2
Q1
J1
D4
D3
D2
D1
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
BIN1
C11
D13
R18
R19
R20
TB3
U7
U8
YS
102532
RE
V
R
0A
WA
TTM
ASTER
CONTROLS
,I
N
C
MA
DE
IN
U
S
A
R4
R3
LM780
5
.1uF
1uF
10
0
2
10
0
2
10
0
2
10
0
2
1
002
10
0
2
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
.1uF
.1uF
.1uF
.1uF
.1uF
.1uF
.1
u
F
.1
u
F
.1
u
F
1002
LM358
04
04
04
LT1785
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
E-BUS
EBC Cable
E-BUS
EBC Cable
WattMaster Part #OE325-03
Zone Controller Expansion Module
WattMaster Part #OE325-03
Zone Controller Expansion Module
24VAC
24VAC
24VAC
COM
COM
COM
24 VAC Transformer Supplied
& Wired by Others. Size For
Required HW Valve Load.
24 VAC Transformer Supplied
& Wired by Others. Size For
Required HW Valve Load.
24 VAC Transformer Supplied & Wired by
Others. Size For Required Fan Relay Load.
R1
24 VAC Fan
Relay Supplied
& Wired By Others.
1 Amp Max. Load.
Connect to VAV/Zone
Controller E-BUS
Female Connector
Connect to VAV/Zone
Controller E-BUS
Female Connector
RC
R1
Figure 13: VAV/Zone Controller Expansion Module Wiring - Fan Terminals And/Or On/Off HW Heat
Typical Wiring For Single
Duct Terminal Unit With
On/Off Hot Water Heat
Typical Wiring For Fan
Terminal Unit With On/Off
Hot Water Heat
WattMaster Part #OE325-03
Zone Controller Expansion Module
WattMaster Part #OE325-03
Zone Controller Expansion Module
Remove Control Board
from Snaptrack & Mount
Snaptrack on Box
Remove Control Board
from Snaptrack & Mount
Snaptrack on Box
24VAC
24VAC
COM
COM
R1
24 VAC Transformer Supplied
& Wired by Others. Size For
Required Fan Relay &
Hot Water Valve Load
24 VAC Transformer Supplied
& Wired by Others. Size For
Required HW Valve Load.
24 VAC Fan Relay
Supplied & Wired
By Others. 1 Amp
Max. Load.
HWV
HWV
24 VAC On/Off
HW Valve
Supplied & Wired
By Others.
1 Amp Max. Load
24 VAC On/Off
HW Valve
Supplied & Wired
By Others. 1 Amp
GND
AOUT
COMM
STAT
ALRM
PWR
COM
R2
R1
GND
P1
R17
R16
R15
R14
R13
R12
R11
R10
D8
D7
D6
D5
X1
U6
U5
U4
U3
U2
U1
TB2
TB1
R9
R8
R7
R6
R5
R4
R3
R2
R1
Q4
Q3
Q2
Q1
J1
D4
D3
D2
D1
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
BIN1
C11
D13
R18
R19
R20
TB3
U7
U8
YS
102532
RE
V
R
0A
WA
TTM
ASTER
CONTROLS
,I
N
C
MA
DE
IN
U
S
A
R4
R3
LM780
5
.1uF
1uF
1
002
1
002
1
002
1
002
1
002
1
002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
.1uF
.1uF
.1uF
.1uF
.1uF
.1uF
.1
u
F
.1uF
.1uF
1002
LM358
04
04
04
LT1785
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
GND
AOUT
COMM
STAT
ALRM
PWR
COM
R2
R1
GND
P1
R17
R16
R15
R14
R13
R12
R11
R10
D8
D7
D6
D5
X1
U6
U5
U4
U3
U2
U1
TB2
TB1
R9
R8
R7
R6
R5
R4
R3
R2
R1
Q4
Q3
Q2
Q1
J1
D4
D3
D2
D1
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
BIN1
C11
D13
R18
R19
R20
TB3
U7
U8
YS
102532
RE
V
R
0A
WA
TTM
ASTER
CONTROLS
,I
N
C
MA
DE
IN
U
S
A
R4
R3
LM780
5
.1uF
1uF
10
0
2
10
0
2
10
0
2
10
0
2
1
002
1
002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
.1uF
.1uF
.1uF
.1uF
.1uF
.1uF
.1
u
F
.1uF
.1
u
F
1002
LM358
04
04
04
LT1785
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
10A250VAC
~
5A30VDC
SA
VDE
G5Q-
1A4
OMRO
N
DC12
V
CHIN
A
E-BUS
EBC Cable
E-BUS
EBC Cable
Connect to VAV/Zone
Controller E-BUS
Female Connector
Connect to VAV/Zone
Controller E-BUS
Female Connector
RC
RC
R2
R2
R1
Figure 12: VAV/Zone Controller Expansion Module Wiring - Fan Terminals And/Or Modulating HW Heat