Wiring Diagram - Bosch BOVA Series Installation Instructions Manual

Installation Instructions

16 Wiring Diagram

FAN FAN
W
V
U
Y/G
COMP. COMP.
Terminal block
FERRITE
CORE
RED
Power in Power in
BK
USE COPPER
CONDUCTORS ONLY Y/G
Unused
ON
SW4-1
Must be set at OFF position
OFF *
ON Unused
SW4-2
Must be set at OFF position
*
OFF
Adaptive capacity output disable
ON
SW4-3
Adaptive capacity output enable *
OFF
Accelerated cooling/heating
ON
SW4-4
Normally cooling/heating
OFF *
Operating time is reduced by 10%
ON
SW5-1
Enter defrost Normal *
OFF
ON
SW5-2 Defrosting extended for 60 seconds
Qui t defrost
OFF
Normal *
Detailedreference manual instructions
SW1
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 mode)
1s
PRESS
Forced defrosting
6s
Figure 64
Bosch Thermotechnology Corp. | 02.2019
SW1 SW4 SW5 J2 CHECK
CN3
ON ON ON
1 2 3 4 1 2 1
N
P
DSP1
IPM IPM
GR/W
W
BK/V
V
U
BR/U
Main Board Main Board
PFC PFC
CN1 L1
CN2 L2
ORANGE
*The factory Default
ON ON
* *
OFF OFF
For 60K model
J2 J2
For 48K model
ON Comp. running
LED2
LED1 IPM Module Fault
ON
FLASH
GREEN
LED2
Standby
OFF
ON
Fault
LED2
OFF No fault
RED
ON Power on
LED3
OFF Power off
GREEN
FORCE
CN31
USB
CN10
HPS
CN25
M-Smart
CN30
CN11
T5
CN14
PT
CN16
BLACK
T3
WHITE
CN7
T4
BLUE
T3L
CN15
CN20 Th
CN13
EEV
CN21
CN9
BLUE
CN12 RV RV
C B Y W C B Y W
Thermostat Thermostat
Connections Connections
BLACK
Note:
PEV PEV
1. B terminal to be connected with
themostat (O/B) - heat pump
heating operation,energized for heating.
CCH CCH
2. EEV, RV for HP system.
3.B, W signal for HP system.
ON
*
OFF
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
PEV Pressure equalizer valve
CCH Crankcase heater
COMP. Compressor
TEMP. Temperature
Bosch IDS BOVA | 39
WARNING
ELECTRIC HAZARD 380 VOLTS DC ELECTRIC HAZARD 380 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
CODE Fault description
C3 The coil sensor is seated 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 protection (HPS)
H0 Communication fault in main control chip
H5 5 times (P2) protection in 100 minutes, lockout
H8 Pressure transducer fault (PT)
L0-L9 The IPM module protection(only for analysis)
P0 High module radiator temperature protection (TF)
P1 High pressure (HPS) protection
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)
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 mode
dF Running indication under defrost mode
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 unit 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 discharge superheat ( °F )
17 Opening of EEV
18 Outdoor fan speed
19 Compressor current (A)
20 Power AC voltage Input (V)
21 Compressor input 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
)