Receiving & Installation 3-29MN715

Fan Pump 3 Wire Operating Mode

Operation in the Fan Pump 3-Wire mode is controlled by the opto isolated inputs at J4-8

through J4-16. The opto inputs can be switches as shown in Figure 3-29 or logic signals

from another device.
Figure 3-29 Fan Pump, 3 Wire Control Connection Diagram
See recommended terminal
tightening torques in Section 6.
8
9
10
11
12
13
14
15
16
17
Enable
Forward Run
Reverse Run
Stop
Run Command
Speed Command
External Trip
Opto In Common
Analog GND
Analog Input 1
Pot Reference
Analog Input +2
Analog Input -2
Analog Out 1
Analog Out 2
1
2
3
4
5
6
7
Firestat
Freezestat
J4
Refer to Figure 3-35.
J4-8 CLOSED allows normal control operation.
OPEN disables the control and the motor coasts to a stop.
J4-9 MOMENTARY CLOSED starts motor operation in the Forward direction.
Note: Closing both J4-9 and J4-10 at the same time will reset a fault condition.
J4-10 MOMENTARY CLOSED starts motor operation in the Reverse direction.
Note: Closing both J4-9 and J4-10 at the same time will reset a fault condition.
J4-11 OPEN motor decels to stop (depending on Keypad Stop mode).
J4-12 CLOSED selects STOP/START and Reset commands from terminal strip.
OPEN selects STOP/START and Reset commands from Keypad.
J4-13 CLOSED allows other selections, see Speed Select Table 3-11.
OPEN selects speed commanded from Keypad (if J4-14 and J4-15 are closed).
J4-14 Firestat. Selects Level 1, Preset Speeds, Preset Speed #1.
J4-15 Freezestat. Selects Level 1, Preset Speeds, Preset Speed #2 (if J4-14 is closed).
J4-16 If J4-16 is connected, you must set Level 2 Protection block, External Trip to ON
to activate the opto input.
CLOSED allows normal control operation.
OPEN causes an external trip fault. The control will disable and the motor coasts
to a stop. An external trip fault is displayed (also logged in the fault log).
5KW
Command Pot or
0-10VDC
Table 3-11 Speed Select Table Fan Pump, 3 Wire
J4-13 J4-14 J4-15 Command
Open Level 1, Preset Speeds, Preset Speed #1
Closed Open Level 1, Preset Speeds, Preset Speed #2
Open Closed Closed Keypad Speed Command
Closed Closed Closed Analog Input (Level 1, Input, Command Select)