Figure 86 - Configurable Analog And Remote Setpoint Inputs - York YK-EP B Operation & Maintenance Manual

FORM 160.87-OM1
ISSUE DATE: 8/24/2018
FACTORY MOUNTED EVAPORATOR
THERMAL-TYPE FLOW SENSOR
(style F and later chillers) (note 2)
3 1
24 VAC
FACTORY MOUNTED CONDENSER
THERMAL-TYPE FLOW SENSOR
(style F and later chillers) (note 2)
3 1
24 VAC
REMOTE CURRENT
LIMIT SETPOINT
REMOTE LEAVING
CHILLED LIQUID
TEMP SETPOINT
REMOTE SETPOINT
GND CONNECTIONS
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 prior to 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 (Refer to Figure 88 on page 223).
3. Factory mounted evaporator Thermal type flow sensor (new production chillers prior to June 2009) or Leaving Chilled Liquid Temperature
Thermistor (chillers equipped with the optional Heat Pump Duty feature)

FIGURE 86 - CONFIGURABLE ANALOG AND REMOTE SETPOINT INPUTS

JOHNSON CONTROLS
J7
71.5 K
2
2 14
15
4
+5V
13
4
2 16
17
4
+5V
3
J22
1
0-10 VDC /
2-10 VDC
2
0-20 mA /
4-20 mA
0-10 VDC / 3
2-10 VDC
4
0-20 mA /
4-20 mA
5
2
1
47K
JP21
3
200
7.5 K
2
1
JP22
3
2
1
JP23
3
2
1
JP24
3
SECTION 5 - SERVICE
MUX
5
LD22055
221