Accessory List

MF-631x3 Series
F-27382-1 © Copyright 2006 TAC. All Rights Reserved. 99
Accessories
Typical Applications
Figure 1 Basic Actuator: Wiring Diagram with SPDT Floating Controller.
Specifications (Continued)
Outputs
Electrical
Auxiliary switch (-500 models): SPDT, adjustable over actuator stroke of 1 in. The N.C. contact is
factory set to make contact at 3/8 in. from the fully extended position.
Rating: 1 amp at 24 Vac, 50/60 Hz. Pilot duty rating; 24 VA at 24 Vac.
Connections: Color coded leads for auxiliary switch, terminal block for control.
Position feedback signal
Refer to Model Chart (cannot be used when MFC control module card is installed).
Connections: Coded screw terminals.
Mechanical
Force: 210 lbs (935 N) minimum and 270 lbs (1202 N) maximum with automatic load limit.
Stroke: Up to maximum of 1 in. self adjusting.
Timing: 2 minutes per in. at 60 Hz; 2 minutes, 24 seconds per in. at 50 Hz.
Environment
Ambient temperature limits
Shipping and storage: -40 to 160°F (-20 to 71°C).
Operating: 0 to 140°F (-18 to 60°C). Refer to Valve section for further information.
Humidity 5 to 95% RH, non-condensing.
Locations NEMA Type 1.
Dimensions 6 H x 5-5/8 W x 3-5/8 D in. (152 x 143 x 92 mm).
Agency Listings
UL 873 File #E9429.
CUL #C22.2 No. 24-93.
General Instructions Refer to F-24732.
Model No. Description
MFC-420 Control module card for 4 to 20 mAdc (for MF-63123 only, order separately).
MFC-8000 Control module card for Vdc (for MF-63123 only, order separately).
Valve Linkage
AV-672 Linkage for 2-1/2 to 4 in. VB-9000 valves, except VB-9323, 2-1/2 to 5 in. VB-8xx3 (order separately).
AV-673 Linkage for 1/2 to 2 in. Johnson Controls VB-3754, VB-3924, and VB-4324 valves.
AV-674 Linkage for 1/2 to 3 in. Honeywell V5011F, V5011G, and V5013F valves.
AV-608 Linkage adapter kit for discontinued VB-9xxx 1-1/2 and 2 in.
1 Feedback potentiometer (if present).
P RET = Stem up.
P EXT = Stem down.
2 R1 to B3 = Stem up (retract).
3 R1 to W2 = Stem down (extend).
4 Optional low voltage 2 SPST
Controller.
1
2
3
4
MF-631x3
Actuator
24 Vac
Transformer
Low Voltage
SPDT Floating
Controller
4
Low Voltage
2 SPDT Controller
P RET
P EXT
P COM
H T5
G T4
L1
L2
B3
W2
R1
To B3
To W2
To R1