VR2, VR3, VR4, VR5 RESILIENT SEAT BUTTERFLY VALVES WITH LUGGED CONNECTIONS
24V AC/DC Transformer
On/Off
33
24V AC/DC Transformer
Line
Open
Volts
Close
Each actuator should be powered by a single,
33
c
isolated control transformer.
INSTALLATION NOTES
• Observe class 1 and class 2 wiring restrictions.
• Transformer sizing = MBP actuator draw X 1.25
(safety margin)
Proportional, Multiple Wiring, 24V
MBP...9, B
Each actuator should be powered by a
33
single, isolated control transformer.
31-00190EF—02
G
G
Ground
1
Common
3
Open
4
Closed
Connect to #1 for fully
5
open indication
6
Connect to #1 for fully
closed indication
7
HTR
A
LS3
B
A-C
(Open Indication)
C
D
LS4
E
D-F
(Closed Indication)
F
Contact Rating: 5A 250 VAC Max.
SY2...5-24
MBP...9, B
• Isolation relays must be used in parallel connection of multiple actuators
using a common control signal input.
• "H" (L2) cannot be connected to terminal #3 and #4 simultaneously.
• Required: Terminal #7 needs to be field wired to enable heater circuit.
Fig. 42. Wiring for MBP6...9,B
Control Signal (+)
Control Signal (-)
Feedback Signal (+)
Feedback
Feedback Signal (-)
36
35
Not Used -
Not Used -
G
Control Signal (+)
Control Signa
Control Signal (-)
Feedback Signal (+)
Feedback
Feedback Signal (-)
A
36
LS3
35
Not Used -
B
Not Used -
A-C
(Open Indication)
C
D
LS4
G
E
D-F
(Closed Indication)
F
Contact Rating: 5A 250 VAC Max.
MBP...9, B
SY2...5-24MFT
• Observe class 1 and class 2 wiring restrictions.
• Transformer sizing = MBP actuator draw X 1.25 (safety margin)
Fig. 43. Wiring for MBP7...9,B actuators
24 VAC Transformer
Line
Open
K1
Volts
Close
K1-B
G
K1-A
INSTALLATION NOTES
Actuator A
PC Tool
Service Jack
Y
┴
1
U5
Address
┴
2
Adaption
C1
C2
SYx-24MFT
Y1
Y2
PE
Actuator B
PC Tool
Service Jack
Y
┴
1
U5
Address
┴
2
Adaption
C1
C2
SYx-24MFT
Y1
Y2
PE
INSTALLATION NOTES
30
Actuator B
G
G
Ground
1
Common
3
Open
4
Closed
5
6
7
HTR
A
LS3
B
A-C
(Open Indication)
C
D
LS4
E
D-F
(Closed Indication)
F
Contact Rating: 5A 250 VAC Max.
MBP ...9, B
Actuator A
G
Ground
1
Common
3
Open
4
Closed
5
6
7
HTR
A
LS3
B
A-C
(Open Indication)
C
D
LS4
E
D-F
(Closed Indication)
F
Contact Rating: 5A 250 VAC Max.
MBP ...9, B
A
Internal Use Only
B
Internal Use Only
1
Internal Use Only
2
Internal Use Only
3
Internal Use Only
/-
Power Supply Com
┴
24V AC/DC
~/+
Power Supply Hot
33
8
Internal Use Only
Internal Use Only
9
10
Internal Use Only
A
Internal Use Only
B
Internal Use Only
1
Internal Use Only
Internal Use Only
2
3
Internal Use Only
/-
Power Supply Com
┴
24V AC/DC
~/+
Power Supply Hot
33
8
Internal Use Only
9
Internal Use Only
10
Internal Use Only