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SDHV UNIT WIRING DIAGRAMS AND BOARD LAYOUT
A01472-G01
FAN
4
BRN
3
BRN
2
MOTOR
BRN
1
BRN
1 2 3 4 5
RED
BLK
G/Y
A01845-G01
YEL
GRN
YEL
BLK
BLU
ORG
GRN
RED
RED
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
J1
J2
OUTPUT
INPUT
(WHT)
(WHT)
F1
J3
+24V
HEATER
THERMOSTAT
(WHT)
R O G Y1 Y2 C C S1S2 S3
YEL
208V
COM
JP1 and JP2 location on IndoorB
JP2 JP1
BLU
1
1
BLK
RED
2
2
RED
J4
J5
LEDS / DISPLAY
HUMIDITY
SENSOR
Set switch 1 (SW1) to
1
match the model of the
indoor unit.
SW1
SDHV
Model
1
2
1218
Off Off
*
2430
On Off
3036
Off On
3642
On On
* Factory default
To use iSERIES Thermostat
Set the remote communication address by installing
1
jumpers on the relay board thermostat inputs.
R O G Y1 Y2 C
ADDRESS
JP1(R-Y1)
1
none
*
2
YES
JP5
3
none
4
YES
JP1
* Factory default
JP2
DO NOT remove JP5 unless using remote ON/OFF.
To use Standard (RGYO) Heat pump Thermostat
Connect
1
thermostat
R O G Y1 Y2 C
REMOVE ALL JUMPERS ON
THERMOSTAT INPUTS.
R O G Y1 Y2 C
Thermostat
Bulletin 30-121.2014.04.014
(SAC 37.4255.109.00)
Set switch 1 (SW1) to
SDHV
match the model of the
Model
1218
indoor unit.
2430
*
3036
3642
* Factory default
A01473-G01
7 7
4 4
8 8
3 3
2 2
1 1
RED
5 5
PUR
6 6
A01846-G01
BLK
BLK
BLK
BLK
YEL
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
J11
STEP
MOTOR 1
(WHT)
RELAY
JP3 JP4
BOARD
A01837-G01
J18
1 2
RS232
1 2
BLU
TRANSFORMER
RED
230V
ORG
1
1
ORG
ORG
RED
2
2
RED
PUR
3 3
BLK
4 4
BLK
A01929-G01
L1/L
1 ph, 208-230V
L2/N
50/60 Hz
GND
Set switch 2 (SW2) to
2
match the outdoor port
for the refrigerant con-
nections.
Refrigerant
SW2
Connection
1
2
1
Off Off
Circuit
*
Circuit
2
On Off
3
Circuit
Off On
Circuit
4
On On
* Factory default
2
JP2 (R-Y2)
none
none
OUTDOOR UNIT
YES
YES
2
OUTDOOR UNIT
SW1
SW 2
1
2
1
2
Set switch 2 (SW2) to
Refrigerant
match the outdoor port
Off Off
Circuit 1
Off Off
Connection
for the refrigerant con-
On Off
Circuit 2
On Off
nections.
*
Off On
Circuit 3
Off On
On On
Circuit 4
On On
* Factory default
BLK
ORG
YEL
BLU
A01850-G01
BLK
BLK
YEL
BLK
BLU
BLK
BLK
GRN
RED
RED
1 2
1 2
1 2
1 2
1 2
1 2
J17
JP1
JP2
ICT 2
(BLK)
(BLK)
SW1 SW2
(YEL)
O N
INDOORB
A01832-G01
J20
J21
J24
COMM
INPUT
I/O 0-10V
J8
J9
J10
(BLK)
(WHT)
L
N
EARTH
(GRN)
1 2
1 2
RS485
1 2
1 2
WHT
G/Y
A01851-G01
A01928-G01
BLU
ORG
GRN
RED
BLK
G/Y
G/Y
L1
L2
C1 C2
L
N
POWER SUPPLY
OUTDOOR UNIT
Set switches SW1 and SW2.
Do not install JP6 jumper
C1 C2
1
2
3
4
5
6
7
8
FLOAT
STD T-
DRAIN
SWITCH
ALARM
STAT
PUMP
WHT
JP6
Add JP6 jumper
C1 C2
1
2
3
4
5
6
7
8
FLOAT
STD T-
DRAIN
SWITCH
STAT
ALARM
PUMP
WHT
JP6
34
For use with
REMOTE/IR RECEIVER KIT
iSERIES
A01861-K01
thermostat
REMOTE
(optional)
IR
RECEIVER
LED1
(GRN)
6 1 3 5 4 2
1 2 3 4
C1 C2
1 2 3 4
VLB
J2
OU T DO OR U NIT
A01833-G01
MOTOR COMM
T E R M I N A L B L O C K
(WHT)
J3
J1
WHT
For use with
WHT
INDOORB
standard
POWER
COMM
1 2
1 2 3
thermostat
1 2
1 2 3
(included)
A01849-G01
BLK
WHT
A01932-G01
RED
1 2
1 2 3
1 2
1 2 3
1 2 3 4 5
J3
J16
J5
+12V
RS232
HUMIDITY
FILTER
(WHT)
SENSOR
ON
(RED)
(WHT)
J1
J2
DRAIN
OUTPUT
J15
J22
PUMP
CONTACTS
ICT 1
(WHT)
(WHT)
(WHT)
(RED)
1 2 3 4
1 2
1 2 3
1 2 3
1 2
1 2
1 2 3 4
1 2
1 2 3
1 2 3
A01853-G01
A01852-G01
A01856-G01
BLK
BLK
1 2
1 2
BLK
BLK
BRN
BLK
BLK
BLK
BLU
BLK
1
2
3
4
5
6
7
8
FLOAT
DRAIN
STD
ALARM
SWITCH
PUMP
T-STAT
JP6
JP7
3 Connect Remote IR
receiver to J4
Remote
IR
Receiver
indoorB board
3 Connect MMI (button)
board to J4
LED1
LED2
LED3
MMI
A01865-G01
PUSH
BTN
indoorB board
LED2
LED3
(RED)
(BLU)
1 2 3
Cable
PNK
30 FT (10m)
REMOTE
A01927-001
CONTROL
A01926-001
1 2 3 4 5 6 7 8
WIRE COLORS
MMI
RED = RED
LED/BUTTON
BLU = BLUE
A01865-G01
ORG = ORANGE
YEL = YELLOW
1 2 3 4 5 6 7 8
BLK = BLACK
WHT = WHITE
PUR = PURPLE
GRN = GREEN
G/Y = GREEN/YELLOW
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
J4
LEDS/DISPLAY
(WHT)
J25
DAMPER
J14
RAT
(GRN)
1 2
1 2
A1855--G01
A01854-G01
Coil
BLK
BLK
1 2
TH2 (RAT)
1 2
A01843-G01
BLK
BLK
TH1 (COIL)
A01844-G01
BLK
BLK
EL00184c.cvx
Copyright © 2014 Unico, Inc.
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