256
FORM 160.54-M1
ISSUE DATE: 10/25/2019
SECTION 31 - HEAT PUMP DUTY
JCI COMPANY CONFIDENTIAL
JOHNSON CONTROLS
FIGURE 97 -
HEAT PUMP DUTY BLOCK DIAGRAM
NOTES:
1. Requires program jumper JP21 positioned on pins 2 and 3 with leaving chilled thermistor connected to J7 as shown.
2. 0 to 10 VDC or 2 to 10 VDC input = J22-3
0 to 20mA or 4 to 20 MA input = J22-4
3. Input resets Leaving Chilled Setpoint when heat pump operational mode setpoint is set to "Cooling"
Input resets Leaving Condenser Setpoint when heat pump operational mode setpoint are set to "Heating".
LEAVING CONDENSER
WATER THERMISTOR
LEAVING CHILLED
WATER THERMISTOR
REMOTE LEAVING
CHILLED CONDENSER
WATER SETPOINT
MICRO BOARD
031-02430-001
031-03630-001
6 IN
16 +5VDC
14 IN
15 +5VDC
NOTE 2
5 GND
(NOTE 1)
J9
J7
J22
OPEN
CLOSE
33
32
J19
I/O BOARD
031-01743-002
PRE - ROTATION
VANES
ACTUATOR
33
32
J1
3
58
TB1
2
3
LD15439