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Wiring schematics cont, Legend, Envision – WaterFurnace Envision2 User Manual

Page 23: Compact - 50 hz installation manual, Aurora base control

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23

ENVISION

2

COMPACT - 50 HZ INSTALLATION MANUAL

Wiring Schematics cont.

Commercial Aurora, UPC with X13 Motor – 380-420/50/31

1

1 – Optional, factory installed unit mounted disconnect.
2 – Optional, factory installed internal isolation valve.
3 – Optional, factory installed phase guard
4 – Optional, factory installed phase guard. The yellow transformer wire
shall be connected directly to the CPU board, if this option is not installed.
5 – Wire is provided with the unit but only connected to the X13 motor for dual
capacity units.

Notes:

Slow Flash
Fast Flash
Flash Code

Status LED (LED1, Green)
Configuration LED (LED2, Yellow)
Fault LED (LED3, Red)

Status LED (LED1, Green)

Normal Mode
Control is Non-Functional
Test Mode
Lockout Active
Dehumidification Mode
Reserved
Reserved
Load Shed
ESD

1 second on and 1 second off

Random Start Delay

Fast Flash

OFF

ON

Slow Flash

Fast Flash

Flash Code 2
Flash Code 3

Flash Code 6

Flash Code 4
Flash Code 5

Aurora LED Flash Codes

100 milliseconds on and 100 milliseconds off
100 milliseconds on and 400 milliseconds off with a 2 second pause before repeating

Reserved

Flash Code 7

Configuration LED (LED2, Yellow)

Fault LED (LED3, Red)

Fast Flash
Fast Flash

No Software Overide

Flash ECM Setting

DIP Switch Overide

Slow Flash

Normal Mode
Input Fault Lockout
High Pressure Lockout
Low Pressure Lockout

Low Water Coil Limit Lockout - FP1

Low Air Coil Limit Lockout - FP2

Reserved
Condensate Overflow Lockout
Over/Under Voltage Shutdown
Reserved
Reserved
Air/Water Coil Limit Sensor Error

Flash Code 1

OFF

Flash Code 2
Flash Code 3
Flash Code 4
Flash Code 5

Flash Code 8

Flash Code 6
Flash Code 7

Flash Code 9

Flash Code 10
Flash Code 11

ECM Configure Mode

Fast Flash

Reset Configure Mode

Off

Thermistor

Relay Coil

Switch - Condensate Overflow

Switch - High pressure

Switch - Low pressure

Polarized connector

Factory Low Voltage Wiring
Factory Line Voltage Wiring
Field Low Voltage Wiring
Field Line Voltage Wiring
Optional Block
DC Voltage PCB Traces

Internal Junction
Quick Connect Terminal

Field Wiring Lug

Ground

Relay Contacts – N.O., N.C.

Field Zone Sensor Wiring

Legend

L1

Capacitor

T

1

2

3

CC – Compressor Contactor
CO – Condensate Overflow Sensor
ES – Emergency Shutdown
HP – High Pressure Switch
LP – Low Pressure Switch
FD – Freeze Detection Sensor
F1 – Fuse

Fuse

Light Emitting Diode - Green

G

Light Emitting Diode - Yellow

Y

Light Emitting Diode - Red

R

SW1 – Push button
SW2 – DIP package 8 position
RB – Blower Relay
RV – Reversing Valve Coil
PGM – Phase Guard Monitor
RH – Reheat Valve Coil

Accessory Relay

Cycle with Blower

Cycle with Compressor

Water Valve Slow Open

Outdoor Air Damper

SW2-4 SW2-5

On

On

Off

Off

On

Off

Off

On

Operation

Event

Normal Mode

Test Mode

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
Thermostat Call Recognition Time
Auxiliary Heat Staging Delay
Emergency Heat Staging Delay

Less than 1 second

5 to 80 seconds

1 second

5 seconds

< 1 second

30 seconds

2 seconds

Less than 1 second

2 minutes

5 seconds

4 minutes

15 seconds

2 minutes

2 minutes

30 seconds

30 seconds

30 seconds

30 seconds
30 seconds

30 seconds
30 seconds
30 seconds

2 seconds

2 seconds

5 minutes
2 minutes

20 seconds

7.5 seconds

Aurora Timing Events

Reheat Delay

30 seconds

30 seconds

Water Valve Slow Open Delay

90 seconds

90 seconds

CC2

EH1

Factory

Fault

ALG

ALM

LS

ES

ACC c

Status

AURORA BASE

CONTROL™

RV – K1

CC2

CC – K2

CC Hi – K3

Fan – K4

Alarm – K5

Acc – K6

ACC no

ACC nc

O/B

C

R

LO

G

Y1

Y2

W

DH

3A-Fuse

O/B

C

R

LO

G

Y1

Y2

W

DH

LO

G

HI

CCG

CC
FG

F
R

HP
HP

LP

FP2
FP2
FP1

REV
REV

CFM

PWM

ECM PWM

Factory

Factory Fan Connection

R

R

CC

C

C

R

(-)

(+)

RS 485

EH2

C

EH1

C

CO

(+)

(-)

R
C

RS485 Exp

Factory

Com1

Com2

Config

G

G

G

Y

R

SW1 Test

FP1 – 15

o

F/30

o

F

JW2 -
Alarm

P11

P5

P2

P1

P8

P7

P9

P6

P3

SW2

P13

P4

FP2 – 15

o

F/30

o

F

RV – B/O

ACC – Dip 4

ACC – Dip 5

CC – Dual/Single

L – Pulse/Continuous

Reheat/Normal

Factory Use

Field Connections

Field Connections

C

LP

FP1

F

CC

G

Y1

1

2

3

4

5

6

7

8

Off

On

N/A

RS485 NET

LED3

LED2

LED1