York OPTIVIEW YK, Service Instructions Manual

Page: 94 / 390

94
FORM 160.54-M1
ISSUE DATE: 10/25/2019
SECTION 5 - MICROBOARD 031-03630-001
JCI COMPANY CONFIDENTIAL JOHNSON CONTROLS
FIGURE 30 - CONFIGURABLE ANALOG AND REMOTE SETPOINT INPUTS
LD09565
NOTE:
1. Program Jumpers JP23 – JP24 must be positioned on pins 1-2 or 2-3 according to input signal type. (Voltage OUT, Current 1-2, 2-3 Not
Used)
2. On new production chillers before June 2009, the Thermal type flow sensors are connected to Microboard J7 as shown above. Program
Jumpers JP21 and JP22 must be on pins 2-3. On new production chillers after June 2009, the Thermal type flow sensors are connected to
Microboard J14 (See Figure 32 on page 96 ).
3. Factory mounted evaporator Thermal type flow sensor (new production chillers before June 2009) or Leaving Chilled Liquid Temperature
Thermistor (chillers equipped with the optional Heat Pump Duty.feature)
FACTORY MOUNTED EVAPORATOR
THERMAL-TYPE FLOW SENSOR
(style F and later chillers) (note 2)
REMOTE CURRENT
LIMIT SETPOINT
REMOTE LEAVING
CHILLED LIQUID
TEMP SETPOINT
REMOTE SETPOINT
GND CONNECTIONS
24 VAC
0-10 VDC /
2-10 VDC
0-20 mA /
4-20 mA
5
4
3
1
2
16
4
14 2
4
2
13
15
1 3
MUX
47K
JP21
JP22
JP23
JP24
200
7.5 K
1
2
3
1
2
3
1
2
3
1
2
3
71.5 K
+5V
3
17
+5V
J7
J22
0-10 VDC /
2-10 VDC
0-20 mA /
4-20 mA
FACTORY MOUNTED CONDENSER
THERMAL-TYPE FLOW SENSOR
(style F and later chillers) (note 2)
24 VAC
2
4
1 3