Johnson Controls VFD66 Series, Product/Technical Bulletin

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Table 1: Terminal Blocks
Terminal
Block Label Terminal Block Function Electrical Rating Terminal Terminal Function
L1 Line 1 Input
L2 Line 2 Input
TB1 Input Line-Voltage Supply Power
L3 Line 3 Input
T1 Line 1 Output
T2 Line 2 Output
TB2 Output Line-Voltage Power to Fan
Motor
See Technical
Specifications.
T3 Line 3 Output
1 5 VDC power supply
2 First signal input
3 Second signal input
1
TB3 Low-voltage Input Signals,
0-5 VDC Power Supply 0-5 VDC or 0-10 VDC
4 Common
1 Switch contact TB4 Alarm Output for User-Installed
Alarm Device 100 mA at 24 VAC/30 VDC
2 Switch contact
1. See Adjusting the Control Settings.
Wiring Input Devices to a VFD66
Connect the appropriate low-voltage input signal
device to Terminal Block TB3 (Figure 3). See Table 2,
Figure 4, Figure 5, and Figure 6 for additional
information on wiring specific
Johnson Controls/PENN™ input devices to the
VFD66 controls.
Table 2: Wiring Johnson Controls/PENN
Input Devices
Input Device Input Device
Terminal VFD66 Control
TB3 Terminal
1 1
2 2 (or 3)
1
P35AG-9200R
Transducer
3 4
V 2 (or 3)
1
A350PS-1C or
P352PN Series
Controls
C 4
Red 1
White 2 (or 3)
1
P499 Series
Transducers
Black 4
1.
Use Terminal 3 to connect an optional second
input device to the VFD66 (Figure 5).
TB3
2
2
1 3
3 4
P35 Transducer
1
Figure 4: Wiring P35 Transducers to VFD66
Terminal Block 3
White
(Second Output Signal)
Red (5 VDC Supply)
White
(Output Signal)
P499 Transducer
TB3
Black
(Common)
Second P499 Transducer
(Optional)
Red (5 VDC Supply)
Black
(Common)
1 2 3 4
Figure 5: Wiring P499 Transducers to VFD66
Terminal Block 3 (TB3)
4 VFD66 Series Condenser Fan Speed Controls Product/Technical Bulletin