Johnson Controls RC Series Engineering Manual page 43

Wiring Schematics cont.
ABC - ECM with Electric Heat and Remote Stat
L1
AQ – Aquastat
CC – Compressor Contactor
CO – Condensate Overflow Sensor
ES – Emergency Shutdown
HP – High Pressure Switch
LP – Low Pressure Switch
FD – Freeze Detection Sensor
F1 – Fuse
CHART 1
Blower Se ngs
High Low
NC*09 Yellow White
NC*12 Blue Yellow
NC*15 Yellow White
NC*18 Blue Yellow
Legend
Factory Low Voltage Wiring
Thermistor
T
Factory Line Voltage Wiring
Field Low Voltage Wiring
Relay Coil
Field Line Voltage Wiring
Optional Block
Switch - Condensate Overflow
DC Voltage PCB Traces
Switch - High pressure
Field Zone Sensor Wiring
Internal Junction
Switch - Low pressure
Quick Connect Terminal
Field Wiring Lug Polarized connector
Ground
G
Light Emitting Diode - Green
Relay Contacts – N.O., N.C.
Capacitor
Y
Light Emitting Diode - Yellow
Fuse
R
Light Emitting Diode - Red
Temperature Switch
Wire nut
SW1 – Push button
SW2 – DIP package 8 position
PB – Power Block
RB – Blower Relay
RV – Reversing Valve Coil
1 – Swap blue and red leads for 208V operation.
2 – Factory wired. Refer to blower table settings.
3 Optional field installed Aquastat for use with single heat.
Event
Random Start Delay
Compressor On Delay
Compressor Minimum On Time
Compressor Short Cycle Delay
Blower Off Delay
Fault Recognition Delay – High Pressure
Start-Up Bypass – Low Pressure
Fault Recognition Delay – Low Pressure
Start-Up Bypass – Low Water/Air Coil Limit
Fault Recognition Delay – Low Water/Air Coil Limit
Fault Recognition Delay – Condensate Overflow
Accessory Relay Thermostat Call Recognition Time
Operation SW2-4 SW2-5
Auxiliary Heat Staging Delay
Cycle with Blower On On
Emergency Heat Staging Delay
Cycle with Compressor Off Off
Water Valve Slow Open Delay
Water Valve Slow Open On Off
Reheat Delay
Outdoor Air Damper Off On
Slow Flash 1 second on and 1 second off
Fast Flash 100 milliseconds on and 100 milliseconds off
Flash Code 100 milliseconds on and 400 milliseconds off with a 2 second pause before repeating
Random Start Delay
Status LED (LED1, Green) Fast Flash
Configuration LED (LED2, Yellow) Fast Flash
Fault LED (LED3, Red) Fast Flash
Status LED (LED1, Green)
Normal Mode ON No Software Overide
Control is Non-Functional OFF DIP Switch Overide
Test Mode Slow Flash ECM Configure Mode
Lockout Active Fast Flash Reset Configure Mode
Dehumidification Mode Flash Code 2
Reserved Flash Code 3
Reserved Flash Code 4
Load Shed Flash Code 5
ESD Flash Code 6
Reserved Flash Code 7
HP
ECM PWM
P4
HP P13
LP
LP
FP2
FP2
FP1
SW1 Test
FP1
REV
REV
RV – K1
CC2
CC – K2
G
P5
CC Hi – K3
LO
HI
CCG
CC
Fan – K4
FG
F
R
Alarm – K5
F
CC
Acc – K6
G
Y1
JW2 -
Alarm
Field Connections
P2
43
RC SERIES ENGINEERING GUIDE
208-230-265/60/1
Notes:
Aurora Timing Events
Normal Mode
5 to 80 seconds
5 seconds
2 minutes
4 minutes
30 seconds
Less than 1 second
2 minutes
30 seconds
2 minutes
30 seconds
30 seconds
2 seconds
5 minutes
2 minutes
90 seconds
30 seconds
Aurora LED Flash Codes
Configuration LED (LED2, Yellow) Fault LED (LED3, Red)
Flash ECM Setting Normal Mode
Slow Flash Input Fault Lockout
Fast Flash High Pressure Lockout
Off Low Pressure Lockout
Low Air Coil Limit Lockout - FP2
Low Water Coil Limit Lockout - FP1
Reserved
Condensate Overflow Lockout
Over/Under Voltage Shutdown
Reserved
Reserved
Air/Water Coil Limit Sensor Error
Off On
LED1 FP1 – 15 F/30 F 1 LED2
o o
R 2 Y
FP2 – 15 o F/30 o F
RV – B/O 3
Fault
Config
4
ACC – Dip 4
5
ACC – Dip 5
LED3
6
CC – Dual/Single
G
7
L – Pulse/Continuous
Status 8
Reheat/Normal
SW2
AURORA BASE
CONTROL™
G
Com1
P11
G
Com2
P9
Factory Fan Connection
Field Connections
P1
05
Test Mode
1 second
< 1 second
5 seconds
15 seconds
2 seconds
Less than 1 second
30 seconds
30 seconds
30 seconds
30 seconds
30 seconds
2 seconds
20 seconds
7.5 seconds
90 seconds
30 seconds
OFF
Flash Code 1
Flash Code 2
Flash Code 3
Flash Code 4
Flash Code 5
Flash Code 6
Flash Code 7
Flash Code 8
Flash Code 9
Flash Code 10
Flash Code 11
EH1
P3 EH2
C
EH1
C
CO
N/A
(+)
P6
(-)
R
C
(+)
P7
(-)
R
C
P8
R R
P