Remote Current Limit Setpoint With 0-10Vdc, 2-10Vdc, 0-20Ma, 4-20Ma, Or Pulse Width Modulation Signal; Figure 14 - Electro-Mechanical Starter Manual Reset Overloads (2300 To 4160 Volts U.l. Or C.s.a. Approved Units Only); Figure 15 - Remote Current Limit Setpoint With 0-10Vdc Or 2-10Vdc Signal - York YD Wiring Diagram

FORM 160.79-PW2
ISSUE DATE: 01/31/2019
FIGURE 14 - ELECTRO-MECHANICAL STARTER
MANUAL RESET OVERLOADS (2300 TO 4160
VOLTS U.L. OR C.S.A. APPROVED UNITS ONLY)
REMOTE CURRENT LIMIT SETPOINT WITH
0-10VDC, 2-10VDC, 0-20MA, 4-20MA, OR
PULSE WIDTH MODULATION SIGNAL
The Remote Current Limit setpoint can be reset over
the range of 100% to 30% Full Load Amps (FLA) by
supplying (by others) a 0-10VDC, 2-10VDC, 0-20mA,
4-20mA, or 1 to 11 second Pulse Width Modulated
(PWM) signal to the OptiView Control Center. The
OptiView Control Center must be configured appro-
priately to accept the desired signal type as follows:
• The appropriate Remote Mode must be selected:
Analog Remote Mode must be selected when
using a voltage or current signal input. Digital
Re-mote Mode must be selected when using a
PWM input.-
• If Analog Remote Mode is selected, the
Remote Analog Input Range setpoint must be
set to "0-10VDC" or "2-10VDC" as detailed be-
low, regardless of whether the signal is a voltage
or current input signal type.
• Microboard Program Jumper P23 must be posi-
tioned appropriately per the input signal type as
detailed below. It is recommended that a qualified
Service Technician position this jumper.
JOHNSON CONTROLS
SECTION 2 - FIELD CONTROL MODIFICATIONS
Important! The signal type used for Re‑
mote Current Limit Setpoint reset and
the signal type used for Remote Leaving
Chilled Liquid Temperature setpoint re‑
set must be the same. For example, if a
0‑10VDC signal is being used for Remote
Leaving Chilled Liquid Temperature Re‑
set, then a 0‑10VDC signal must be used
for Remote Current Limit Reset.
0-10VDC - As shown in Figure 15 on page 13,
connect input to Microboard J22-1 (signal) and J22-5
LD20686
(Gnd). The setpoint varies linearly from 100% to 30%
FLA as the input varies from 0-10VDC. This input will
only be accepted when Analog Remote Mode is se-
lected, the Remote Analog Input Range setpoint is set
for 0-10 Volts, and Microboard Program Jumper JP23
has been removed. Calculate the setpoint for various
inputs as follows:
SETPOINT (%) = 100 – (VDC x 7)
For example, if the input is 5VDC, the setpoint would
be set to 65% as follows:
SETPOINT (%) = 100 – (5 x 7) = 100 – 35
+
FIGURE 15 - REMOTE CURRENT LIMIT SETPOINT
WITH 0-10VDC OR 2-10VDC SIGNAL
2-10VDC - As shown in Figure 15 on page 13,
connect input to Microboard J22-1 (signal) and J22-5
(Gnd). The setpoint varies linearly from 100% to 30%
FLA as the input varies from 2 to 10VDC. This input
will only be accepted when Analog Remote Mode is
selected, the Remote Analog Input Range setpoint
is set for "2-10 Volts" and Microboard Program
Jumper JP23 has been removed. Calculate the setpoint for
various inputs as follows:
SETPOINT (%) = 100 – [(VDC – 2) X 8.75]
= 65%
J22
SIGNAL
1
COMMON
5
2
LD04498
13