Energy Saving Package Instruction Manual

B-10 FanMaster Diagrams
Allen-Bradley® FanMaster™ Energy Saving Package Installation Manual - Publication FANM-IN001B-EN-P – December, 2009 PN-65329
Figure B.9 Interconnect Diagram for PowerFlex 70EC Drive - Sheet 1
FanMaster
TB2
TB3
TB1
TB2
TB2
Supply Fan Drive
PowerFlex 70EC
Drive I/O TB
24
25
Drive Running
20-COMM-H TB
RS-485 cable
Signal = 120V AC
Signal = 4-20 mA
+
–
Optional Position
Command to Damper
Drive I/O TB
23
22
A.O.
A.O. Com
PowerFlex 70EC
Signal = RS-485
Signal = 24V DC
Damper Position
Switch (In Econ. Mode)
BAS Outside Air
Damper Override Control
Black
Red
Line
Common
Signal = Customer Selected
Customer Supplied Line
Customer Supplied Nuetral
119
120
100
105
135
N
CGND
SHLD
COM
B
A
TERM
Fan Running Input
120V AC Input
L
N
G
Factory Installed Jumpers
Custome
r
Supplied
120V AC,
50/60 Hz
Power
Econ. Mode Switch +24V DC
Input Signal for Econ. Mode Switch
BAS Damper Override
Control Output
AA
Notes:
1. All power, I/O and signal wire is customer supplied.
2. Non-shielded wires to be Belden No. 3105A or equal.
3. Shielded cable to be a Belden No. 3106A or equal.
Return Fan Drive
(Optional)
To Sheet 2 To Sheet 2
GND
SHIELD
COM
B
A
TERM
20-COMM-H TB
GND
SHIELD
COM
B
A
TERM