Wiring Diagram - Bosch 19 SEER Series Operation Manual

Installation & Operation Manual

13.13 Wiring Diagram

ON
1 2 3 4
CN3
N
P
IPM
W
W
V
V
U
U
U
W
PFC
NOTE:If the input voltage
is 208V,take the red wire
to 208V terminal.
Y/G
NOTE:When using two-stage
thermostat,remove this wire.
Power in
Use copper condoctors only
GREEN LED4 FLASH
Normal
ON
SPEED TAPS
1
Dehumidification
LOW
MEDIUM LOW 3
Anti-cool
MEDIUM
4
T1 temprature sensor fault
MEDIUM HIGH
5
HIGH
T2 temprature sensor fault
Figure 48
BTC 761701105 A | 03.2019
ON
ON
1 2 1
HPS
M-Smart
BLACK
WHITE
BLUE
ORANGE
TO HEATER KIT
4 3 2 1
ON
R C Y1 Y2 G B W1 W2 DH NC NC
To thermostat
*
*The factory Default
Y1 or G
ON
1
1 2
ON
1
SW6-1,2
1 2
Speed Taps
ON
2
1 2
ON
3
1 2
ON HEAT:ANTI-COLD AIR FAN DELAY HEAT:ANTI-COLD AIR FAN DELAY
SW6-3
OFF HEAT:FAN DELAY START
ON RESERVED
SW6-4
*
NORMAL
OFF
WARNING WARNING
ELECTRIC HAZARD 380V VOLTS DC
WAIT 3 MINUTES AFTER DISCONNECTING POWER,THEN
VERIFY DC VOLTAGE LESS THAN 42 VDC AT INVERTER
TEST POINTS P-N. COMPONENTS MAY STORE A TEST POINTS P-N
DANGEROUS ELECTRICAL POTENTIAL OF 380 VOLTS DC.
FAILURE TO FLLOW THIS WARNING COULD RESULT IN
PERSONAL INJURY OR DEATH.
*The factory Default
ON ON ON
T5 ON
ON
ON
*
* *
PT 1
1 2 3 4 OFF 1 2 OFF OFF
T3
*
ON Must be set at ON position
T4
SW4-1
T3L
OFF Unused
ON Unused
SW4-2
OFF Must be set at OFF position
Th
Adaptive capacity output disable
ON
SW4-3
EEV
OFF Adaptive capacity output enable
Accelerated cooling/heating
ON
SW4-4
*
Normally cooling/heating
OFF
Operating time is reduced by 10%
ON
SW5-1
*
Enter defrost OFF Normal
ON
SW5-2 Defrosting extended for 60 seconds
Quit defrost OFF
*
Normal
ON
For 60K model
J2
1
J2
ON
J2
For 48K model
1
Detailed reference manual instructions
WIFI Wifi setting(reserve)
P P R R E E S S S S
Check the system parameters
CHECK
s 1s 1
PRESS
Test mode(Not used)
6s
Forced cooling/heating
PRESS
FORCE
(Charge model)
1s
PRESS
Forced defrosting
6s
HPS High pressure switch
T5 Comp. discharge temp. sensor
PT Pressure transducer
T3 Condensor temp. sensor
T4 Ambient temp. sensor
T3L Condensor outlet temp. sensor
TF Radiator temp. sensor
Th Comp. return temp. sensor
EEV Electric expansive valve
RV Reversing valve
CCH Crankcase heater
ON
ON
COMP. Compressor
1 2 3 4 OFF
TEMP. Temprature
Y1+Y2 or W
2
3
*
4
5
*
Bosch Inverter Ducted Packaged Heat Pump | 37
ON Comp. running
LED1
LED2 ON IPM Module fault
FLASH
LED2 OFF Standby
LED2
ON
Fault
OFF No fault
LED3
ON Power on
OFF Power off
CODE Fault description
C3 The coil sensor is saeted fault in cooling(T3)
E4 Temprature sensor fault(T3,T4,T5,Th,T3L,TF)
E5 High/Low voltage protection
E6 DC fan motor fault
E7 Compressor discharge sensor is seated fault (T5)
E9 EEPROM fault
F1 High pressure switch(HPS) fault
*
H0 Communication fault in main control chip
H5 5 times (P2) protection in 100 minutes, lockup
* H8 Pressure transducer fault (PT)
L0-L9 The IPM module protection(only for analysis)
P0 High module radiator temperature protection (TF)
P1 High pressure protection (HPS)
P2 Low pressure protection in cooling or heating (PT)
P3 Compressor over current protection
P4 High T5 protection
P5
Condensor coil temperature protection in cooling (T3)
P6 IPM module protection
*
P8 DC fan motor hurricane/typhoon protection
PH Low discharge superheat protection
AtL Ambient Temperature Limited T4 (heat pump)
CODE Description
Forced operation mode
┣
L Running indication under T3 limited condition
D Running indication under T5 limited condition
P Compression ratio protection limit
F Running indication under TF limited condition
C Running indication under current limited condition
U Running indication under low voltage limited condition
A Running indication under return oil model
dF Running indication under defrost model
Number Point check content
0 Outdoor unit capacity,example:H3=Heat pump 3 ton
1 Outdoor unit mode:0-standby,2-cooling,3-heating
2 Outdoor uint set compressor speed(Hz)
3 T3:outdoor coil temp.(°F)
4 T4:outdoor ambient temp.(°F)
5 T5:compressor discharge temp.(°F)
6 Th:compressor suction temp.(°F)
7 T3L:(liquid line temp.)(°F)
8 Tf:module temp.(°F)
9 Pe:evaporating pressure(PSI)
10 Pc:condensing pressure(PSI)
11 Tse target evaporating temp.(only for cooling mode)(
12 Te:evaporating temp. ( °F )
13 Tcs target condensing temp(only for heating mode)(
14 Tc:condensing temp.(°F)
Target of the compressor discharge superheat
15
(heating mode only):Target value (°F)
16 Compressor diacharge superheat
17 Opening of EEV:Actual value
18 Outdoor fan speed
19 Compressor current(A)
20 Power AC voltage Input(V)
21 DC voltage(V)
22 Continuous running time of the compressor(min)
23 Last fault code
24 Software version
25 Remark"--"
Data subject to change
°F )
°F )
°F
( )