Bovb60-18 (5 Ton) - Bosch BOVB 18 Series Installation Instructions Manual

Installation Instructions

16.2 BOVB60-18 (5 ton)

OUTDOOR UNIT WIRING DIAGRAM OUTDOOR UNIT WIRING DIAGRAM
FAN FAN
W
V
U
Y/G
COMP. COMP.
Terminal block
Power in Power in
USE COPPER
CONDUCTORS ONLY
Switch ON Position: Switch OFF Position:
ON
Color upper half to show Color lower half to show
switch position is UP. switch position is DOWN.
1
1
OFF
*
The factory Default
ON ON ON
*
* *
OFF OFF OFF
*
For 60K model
J2 J2
For 48K model
Unused
ON
SW4-1
*
OFF Must be set at OFF position
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 10%
ON
SW5-1
*
Enter defrost
OFF Normal
ON Defrosting extended for 60 seconds
SW5-2
Quit defrost OFF *
Normal
Figure 66
Bosch Thermotechnology Corp. | 10.2020
SW4 SW5 J2 CHECK FORCE
CN3
ON ON ON
1 2 3 4 1 2 1
N
P
DSP1
IPM IPM
GRAY/W
W
BROWN/V
V
U
BLACK/U
CONTROL BOARD CONTROL BOARD
E3
E2
E18
TF
E4
RED
CN1 L1
CN2 L2
BLACK
GND1 GND2
Y/G
ORANGE
Y/G Y/G
P P R R E E S S S S
CHECK Check the system parameters
s 1s 1
PRESS
Unused
6s
Forced cooling/heating
PRESS
FORCE
(Charge mode)
1s
PRESS
Forced defrosting
6s
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
CN31
USB
HPS
CN10
CN25
CN11
T5
CN14
PT
CN16
BLACK
T3
WHITE
CN7
T4
BLUE
RESERVE
EEV
CN13
CN9
CN12
RV RV
C B Y W C B Y W
Thermostat
BLUE Connections
PEV PEV
CCH CCH
Note:
1. B terminal to be connected with
thermostat (O/B) wiring. Reversing
valve energizes in heating.
2. B and W wiring only needed in heat pump systems
HPS High pressure switch
T5 Comp. discharge temp. sensor
PT Pressure sensor
T3 Condensor temp. sensor
T4 Ambient temp. sensor
EEV Electric expansive valve
RV Reversing valve
PEV Pressure equalizer valve
CCH Crankcase heater
COMP. Compressor
TEMP. Temperature
TF Control board module temperature
Bosch IDS BOVB 18 | 41
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. TEST POINTS P-N. COMPONENTS MAY STORE A
DANGEROUS ELECTRICAL POTENTIAL OF 380 VOLTS DC.
FAILURE TO FOLLOW THIS WARNING COULD RESULT
IN PERSONAL INJURY OR DEATH
CODE Fault description
C3 The coil sensor is seated fault in cooling(T3)
E4 Temperature sensor fault (T3,T4,T5,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 fault (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 model
dF Running indication under defrost model
Number Point check content
0 Outdoor unit capacity,example:H5=Heat pump 5 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)
Reserve
6
Reserve
7
8 Tf:module temp.(°F)
9 Pe:evaporating pressure(PSI)
10 Pc:condensing pressure(PSI)
11
Tes: 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) (°F)
16 Compressor diacharge superheat ( °F )
17 Opening of EEV
18 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 )