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Envision Peripherals Geothermal Indoor Split Heat Pumps User Manual Page 17

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17
ENVISION SERIES INSTALLATION MANUAL
Wiring Schematics
Envision Series - Single Speed Split Wiring Schematic - 208-230/60/1
HWL
HP
LP
WCL
97P774-30 3/9/07
Status LED PCB
SW4
R
R
R
R
R
G
Y
R
T
T
240V L2
240V L1
240V L2
P6
Premier 2
Microprocessor
Logic Control
(DC Voltage)
P1
Fused L2
R
C
CC-GND
NO
CR2
COM
F1-10A 240V
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
SL1 In
Not
SL1 Out
Used
NOTE 1
Acc Com
Acc NC
Acc NO
1
2
3
P3
1 2 3
Main Logic PCB
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
Air Flow
Settings
Black
Blue
14
13
6
7
CC
NO
NC
CR4 COM
NO
NC
CR3 COM
RV
CCHI
Not Used
Not Used
On
SW3
On
SW2
1
2
3
4
5
6
7
8
No Htg3 / Htg3
Dehum / Norm
Fan / Comp
Loop / Well
Test / Norm
Outputs / Norm
Inputs / Norm
2 Speed / 1 Speed
Normal / Finish on 2
nd
(Note 2)
No RPM / RPM
Electric Heat / Normal
Envision / E Series or Premier
1
2
3
4
5
Pulse L / Constant L (NOTE 4)
Field Selection Dips - #1 On, #6 On, #7 On
Drain pan overflow Lockout
FP thermistor (loop<15°F,well<30°F) Lockout
High Pressure > 600 PSI Lockout
Low Pressure < 40 PSI Lockout
ECM2 RPM < 100 rpm Lockout
Microprocessor malfunction*
HWL thermistor > 130°F
DHW pump switch off
Drain
Water Flow
High Press
Low Press / Comp
Air Flow
Status
DHW Limit
DHW off
LED Normal Display Mode
#1 Off, #6 On, #7 On
Drain pan overflow
FP thermistor (loop<15°F, well<30°F)
High Pressure > 600 PSI
Low Pressure < 40 PSI
ECM2 RPM < 100 rpm
Not Used
HWL thermistor > 130°F
DHW pump switch off
Current Fault Status
#6 Off, #7 On
Y1
Y2
O
G
W
SL1
SL2
--
Inputs
#6 On, #7 Off
Compressor Lo
Compressor Hi
RV
FAN
DHW Pump
Loop Pump 1
Loop Pump 2
--
Outputs
#6 Off, #7 Off
Blower Lo
Blower M ed
Blower Hi
Aux Heat #1
Aux Heat #2
AuxHeat #3
Aux Heat #4
--
Outputs2
Diagnostic Modes
*Green LED not flashing
Notes:
1 - 24V Accessory relay (see SW2 - 3 for description of operation)
4 – SW2-8 must be in the OFF position for pulsed “L” lockout signal and in the ON position for constant
“L” lockout signal.
2 – This Switch allows the unit to down stage with the t -stat when OFF and finish on second stage when
ON. Finish second stage reduces stage changing in recip dual capacity compressors and should
be ON for unzoned Dual Cap E -Series or Premier 2 speed units.
Thermistor
Light emitting diode - Green
Relay coil
Capacitor w/ bleed resistor
Switch - Condensate overflow
Switch - High pressure
Switch - Low pressure
Switch -Hot Water On/Off
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
Wire nut
Field wire lug
Ground
Fuse
CC -
CO -
CR1 -
CR2-
CR3 -
CR4 -
F1 and F2 -
WCL -
HE -
HP -
LP -
PB1, PB2 -
PS -
RV -
SW1 -
SW2 -
SW3 -
SW4 -
TS -
Compressor Contactor
Condensate overflow sensor
DHW pump relay
Loop pump relay
Fuses
Water Coil Limit Sensor
Heater element
High pressure switch
Low pressure switch
Power blocks
Power strip
Reversing Valve coil
DIP package 12 position
DIP package 8 position
DIP package 5 position
Hot water pump enable switch
Thermal limit switch
Legend
Relay Contacts-
N.O., N.C.
G
T
132
P
L1
PSC Fan Speed Relay
PSC Fan Power Relay
ER1 to ER4 - Aux heat stage relays
HWL -
Hot water limit sensor
SC -
Start Contactor
Start Relay
SR -
CS - Compressor Solenoid **DC Coil**
CA -
Comfort Alert
Y1
Y2
O
R
C
L
C
R
Fossil Fuel
Furnace
Thermostat
24 VAC
Common Common
24 VAC
Fault Signal
Reversing Valve
2nd Stage Compressor
1st Stage Compressor
Y1
Y2
O
R
C
LO
EZ Split
G
G
Fan
W
W
Auxiliary Heat Relay
Duel Fuel Wiring Diagram
Using Field Installed Relay
Note: Field installed D PST dual fuel relay
(Required for dual fuel installation)
Auxiliary Heat Relay
P2
P1
Shut
Auxiliary
Heat Relay
Down
= chassis
LED Flash Code Description
Green Solid Module Has Power
Red Solid Y1 Present But Compressor Not Running
Code 1 Long Run Time
Code 2 System Pressure Trip
Code 3 Short Cycling
Code 4 Locked Rotor
Code 5 Open Circuit
Code 6 Open Start Circuit
Code 7 Open Run Circuit
Code 8 Welded Contactor
Code 9 Low Voltage
Yellow
Comfort Alert Status
NOT U
S
E
D
5 - DHW pump only in models with hot water generation option .
NOTE 5
DHW
Pump
Blu
3A
Fuse
Pink
Blu(17)
Ext Pump
1/2 hp Total
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
Comfort Alert
NOTE 3
Brn(15)
Org(14)
Gry(9)
C
NOTE 6
SL1 In
SL1 Out
Optional
Remote Unit
Without
Loop Pump
6 - Connection of remote unit that does not have a loop pump for slave operation .
3 - Comfort Alert fault output to Premier Control Board
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