Greenheck Vari-Flow Air Management Systems (472966) - Manual (Page 6)

6 Vari-Flow Air Management System
®
Wiring Diagram - Base System, all options
NOTE
This is an example of a wiring diagram for a base system. Controlling up to 3 exhaust fans, 1 supply fan and 4
temperature sensors. To see your job specific drawing, look on the inside panel of the Vari-Flow cabinet.
U1
24VAC
120VAC
R1
Hood Run
A1 A2
RED
Fault Indicator
GRN
Full Speed Indicator
Full Speed
Fan On/Off
R3
14
11
AR
Hood Light Contactor
N H
TR1
L4
L3
PB3
PB2
Hood Lights Switch
PB1
AR
2 3
6
Hood Lights Relay
R1
Hood Run Contact
14 11
GRN
Hood Run Indicator
L1
7
4
6
15 14
9 13
11
H1
Canopy lighting circuit must not exceed 15A total current
Fan Override 33 32
NO C
38
39
40
41
PS1
PRESSURE
1 2
3 R5
Hood Light LED Contact
14 11
GRN
Hood Light Indicator
L2
2
V1
VC
GGH20/VAV Fan Mode
0VDC - Fan Auto
5VDC - Fan OFF
10VDC - Fan On for Dry
+ VDC
COM
Interlock Connection
G
BK 14GA
PR BK
BL
BL
BL BL
YW
OR
OR
BL
YW
PR
OR
BR
BL
YW
OR
+ -
o
NEUTRAL
BR
OR
RD
BL
R2
Hood Run
A1 A2
BL
R3
MUA Run
A1 A2
YW
T1
T2
17 16
19 18
1
21 20
T3
BR
OR
OR
OR
T4
23 22
OR
R1
24
21
R4
14 11
R4 Shunt Trip Contact
Closes on Shunt Trip
22
21
36
37
Fire Contact
24 VAC
24 VAC
24 VAC
24 VAC
48
49
50
51
Fire System
35 34
REMOVE JUMPER IF USED
R4
Fire & Shunt Trip Relay
A1 A2
24 VAC
44
45
PR
PR
47
46
Tempering Status Contact
Closed Tempering On
Open Tempering Off
BL
YW
YW
YW
BR
YW
OR
OR
OR
OR
OR
PR
PR
PR
PR PR
BL
PR
PR
PR
PR
RD
OR
BR
GN
RD
RD
34
31
58
59
54
55
56
57
OR
RD
RD
R1
RD
RD
OR
REMOVE JUMPER
IF USED
93-24V (H)
42-DO1
51-DO4
45-DO2
12-AI5
1-AICOM
48-DO3
1-AICOM
2-AI1
5-AI2
7-AI3
10-AI4
30-DI6
29-DI COM
80-AOV HOT
35-DIV HOT DI COM-22
DI2-23
DI3-25
24V (C)-92
DO1 COM-41
DO4 COM-53
DI1-21
AVPS-13
DI7-31
DO2 COM-44
DI5-28
DI COM-22
AO4-78
AO COM-71
AI6-15
AICOM-1
AO1-72
AO COM-71
AO2-74
AO3-76
DI COM-22
DI4-26
EARTH-91
AOV COM-79
DIV COM-34
DO3 COM-47
BL
BL
BL
YW
YW
YW
Hood Lamp(s)
N1
R5
Hood Light LED Relay
A1 A2
HL
16GA RD 16GA RD
120 VAC
52
53
MC
MB
SC
S1
AC
A1
VFD
MUA1
L1
L2
L3
T1
T2
T3
LINE
LO
A
D
24V (C)-92
24V (H)-93
R3
24 21
42
43
BL
YW
}
24 VAC FAN ENABLE
TO MUA
MC
MB
SC
S1
AC
A1
VFD
L1
L2
L3
T1
T2
T3
LINE
LO
A
D
EF1
AC
A1
MC
MB
SC
S1
L1
L2
L3
T1
T2
T3
LINE
LO
A
D
VFD
EF2
MC
MB
SC
S1
L1
L2
L3
T1
T2
T3
LINE
LO
A
D
AC
A1
VFD
EF3
R2
14
11
64
65
60
61
62
63
RD
RD
}
}
}
}
}
}
}
}
}
}
}
9/3/2010
Turned off several layers; Borders/Legend.
Adjusted the text so it would be readable.
Was overlapping on lines.
Changed line weight.
Changed to Black/CMYK.
Converted from a .dwg drawing.