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NS SPLIT INSTALLATION MANUAL
Wiring Schematics
Envision Series - Dual Capacity Split Wiring Schematic - 208-230/60/1
HWL
HP
LP
WCL
97P774-31 3/9/07
StatusLEDPCB
SW4
R
R
R
R
R
G
Y
R
T
T
240VL2
240VL1
240VL2
P6
Premier2
Microprocessor
LogicControl
(DCVoltage)
P1
Fused L2
R
C
CC-GND
NO
CR2
COM
F1-10A240V
Fused L2
NO
CR1
COM
1
2
3
4
5
6
7
8
1
2
3
P4
Pink
Black
Blue
Orange
Orange
Pink
Yellow
Yellow
1
2
3C
P2
Down
C
1
2
3
4
5
6
7
Shut
SL1In
Not
SL1Out
Used
NOTE1
AccCom
AccNC
AccNO
1
2
3
P3
1 2 3
MainLogicPCB
F1-10A
240V
Tan
6
5
4
8
7
P5
12
1
2
9
10
3
4
9
11
2
10
8
1
12
5
3
13
14
15
16
11
G
W
O
R
C
Y1
Y2
LO
On
SW1
1
2
3
4
5
6
7
8
9
10
11
12
ECM2
AirFlow
Settings
Black
Blue
14
13
6
7
CC
NO
NC
CR4 COM
NO
NC
CR3 COM
RV
CCHI
NotUsed
NotUsed
On
SW3
On
SW2
1
2
3
4
5
6
7
8
NoHtg3/Htg3
Dehum/Norm
Fan/Comp
Loop/Well
Test/Norm
Outputs/Norm
Inputs/ Norm
2Speed/1Speed
Normal/Finishon2
nd
(Note2)
NoRPM/RPM
ElectricHeat /Normal
Envision/ESeriesorPremier
1
2
3
4
5
PulseL/ConstantL(NOTE4)
FieldSelectionDips-#1On,#6On,#7On
DrainpanoverflowLockout
FPthermistor(loop<15°F,well<30°F)Lockout
HighPressure>600PSILockout
Low Pressure<40PSILockout
ECM2RPM<100rpmLockout
Microprocessormalfunction*
HWLthermistor>130°F
DHWpumpswitchoff
Drain
WaterFlow
HighPress
LowPress/Comp
AirFlow
Status
DHWLimit
DHWoff
LED NormalDisplayMode
#1Off,#6On,#7On
Drainpanoverflow
FPthermistor(loop<15°F,well<30°F)
HighPressure>600PSI
Low Pressure<40PSI
ECM2RPM<100rpm
NotUsed
HWLthermistor>130°F
DHWpumpswitchoff
CurrentFaultStatus
#6Off,#7On
Y1
Y2
O
G
W
SL1
SL2
--
Inputs
#6On,#7Off
CompressorLo
CompressorHi
RV
FAN
DHWPump
LoopPump1
LoopPump2
--
Outputs
#6Off,#7Off
BlowerLo
BlowerMed
BlowerHi
AuxHeat#1
AuxHeat#2
AuxHeat#3
AuxHeat#4
--
Outputs2
DiagnosticModes
*GreenLEDnotflashing
Thermistor
Light emittingdiode-Green
Relaycoil
Capacitorw/bleedresistor
Switch-Condensateoverflow
Switch-Highpressure
Switch-Lowpressure
Switch-Hot WaterOn/Off
Polarizedconnector
FactoryLowvoltagewiring
FactoryLinevoltagewiring
Fieldlowvoltagewiring
Fieldlinevoltagewiring
Optionalblock
DCVoltagePCBtraces
Internaljunction
Quickconnect terminal
Wirenut
Fieldwirelug
Ground
Fuse
CC-
CO-
CR1-
CR2-
CR3-
CR4-
F1andF2-
WCL-
HE-
HP-
LP-
PB1,PB2-
PS-
RV-
SW1-
SW2-
SW3-
SW4-
TS-
CompressorContactor
Condensateoverflowsensor
DHWpumprelay
Looppumprelay
Fuses
WaterCoilLimitSensor
Heaterelement
Highpressureswitch
Low pressureswitch
Powerblocks
Powerstrip
ReversingValvecoil
DIPpackage12position
DIPpackage8position
DIPpackage5position
Hotwaterpumpenableswitch
Thermallimitswitch
Legend
RelayContacts-
N.O.,N.C.
G
T
132
P
L1
PSCFanSpeedRelay
PSCFanPowerRelay
ER1toER4- Auxheatstagerelays
HWL-
Hotwaterlimitsensor
SC-
StartContactor
StartRelay
SR-
CS- CompressorSolenoid**DCCoil**
CA-
ComfortAlert
Y1
Y2
O
R
C
L
C
R
FossilFuel
Furnace
Thermostat
24VAC
Common Common
24VAC
FaultSignal
ReversingValve
2ndStageCompressor
1stStageCompressor
Y1
Y2
O
R
C
LO
EnvisionSplit
G
G
Fan
W
W
AuxiliaryHeatRelay
DuelFuelWiringDiagram
UsingFieldInstalledRelay
Note:FieldinstalledDPSTdualfuelrelay
(Requiredfordualfuelinstallation)
AuxiliaryHeatRelay
P2
P1
Shut
Auxiliary
HeatRelay
Down
=chassis
LED FlashCodeDescription
Green Solid ModuleHasPower
Red Solid Y1PresentButCompressorNotRunning
Code1 LongRunTime
Code2 SystemPressureTrip
Code3 ShortCycling
Code4 LockedRotor
Code5 OpenCircuit
Code6 OpenStartCircuit
Code7 OpenRunCircuit
Code8 WeldedContactor
Code9 LowVoltage
Yellow
ComfortAlertStatus
NOT USED
NOTE5
DHW
Pump
Blu
3A
Fuse
Pink
Blu(17)
ExtPump
1/2hpTotal
208-230/60/1
Pump Pump
G
2
1
PB1
1
2
Yel(8)
Pink(13)
Unit Power
208-230/60/1
G
L2 L1
CC
C
S
R
Run
Capacitor
Red Black
Blue
Tan
(16)
Comfort Alert
CC
Blk(1)
Violet(2)
Comfort
Alert
R
Y
C
Violet(3)
Blk(5)
Yel(6)
L
ComfortAlert
NOTE3
CS
+
-
DCSOL
Wht(4)
Brn(15)
Org(14)
Gry(9)
C
NOTE6
SL1In
SL1Out
Optional
RemoteUnit
Without
LoopPump
Y2
Notes:
1-24VAccessoryrelay(seeSW2-3fordescriptionofoperation)
4–SW2-8mustbeintheOFFpositionforpulsed“L”lockoutsignalandintheONpositionforconstant
“L”lockoutsignal.
2–ThisSwitchallowstheunittodownstagewiththet-statwhenOFFandfinishonsecondstagewhen
ON.Finishsecondstagereducesstagechanginginrecipdualcapacitycompressorsandshould
beONforunzonedDualCapE-SeriesorPremier2speedunits.
5-DHWpumponlyinmodelswithhotwatergenerationoption.
6-Connectionofremoteunitthatdoesnothavealooppumpforslaveoperation .
3-ComfortAlertfaultoutputtoPremierControlBoard