Bosch BOVB36-18 User Manual

40
|
Bosch IDS BOVB 18 Installation Instructions
10.2020 | Bosch Thermotechnology Corp.Data subject to change
16 Wiring Diagrams
16.1 BOVB36-18 (3 ton)
Figure 65
SW4
1 2 3 4
ON
SW5
1 2
ON
J2
1
ON
CHECK
CN31
USB
FORCE
CN10
CN25
CN7
CN13
HPS
T5
PT
T3
T4
RV
RV
EEV
CN14
CN16
CN9
CN12
PEV
PEV
CN17
DSP1
LED1 LED2 LED3
IPM
IPM
W
V
U
CONTROL BOARD
CONTROL BOARD
GRAY/W
BROWN/V
BLACK/U
CN22
FAN
FAN
CN1 L1
CN2 L2
Y/G
Y/G
Y/G
Power in
Power in
Terminal block
CCH
CCH
CN8
FORCE
PRESS
6s
PRESS
1s
SS
ERPSSERP
s1s1
PRESS
6s
CHECK
YELLOW
WHITE
BLUE
C B Y W
C B Y W
USE COPPER
CONDUCTORS ONLY
Check the system parameters
Unused
Forced cooling/heating
(Charge mode)
Forced defrosting
BROWN
BLACK
WHITE
BLUE
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
ORANGE
RED
BLACK
*
6:
6:
21

ON
OFF
*
The factory Default
*
21

6:
6:
ON
OFF
*
-
-
21

ON
OFF
SW5-1
Enter defrost
SW5-2
Quit defrost
OFF
ON
OFF
ON
Normal
SW4-2
SW4-3
SW4-4
OFF
ON
SW4-1
Normal
ON
OFF
*
*
*
*
*
OFF
ON
OFF
ON
Unused
J2
J2
*
For 36K model
For 24K model
Must be set at OFF position
Unused
Must be set at OFF position
Adaptive capacity output disable
Adaptive capacity output enable
Normally cooling/heating
Accelerated cooling/heating
Operating time is reduced 10%
Defrosting extended for 60 seconds
CN11
*
COM
H
L
RESERVE
ORANGE
BROWN
SC
Starting capacitor
OUTDOOR UNIT WIRING DIAGRAM
OUTDOOR UNIT WIRING DIAGRAM
CN3
N P
TEST POINTS
GND1
GND2
BLUE
E4
E3
TF
Control board module temperature
L1
L2
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 /
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)(°F)
12 Te:evaporating temp.(°F)
13 Tcs target condensing temp(only for heating mode)(°F)
14 Tc:condensing temp.(°F)
15
Target of the compressor discharge superheat
(heating mode only) (°F)
16 Compressor diacharge 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"--"
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
ON
LED1
GREEN
LED2
RED
LED2
ON
LED2
OFF
LED3
GREEN
Comp. running
FLASH
Standby
OFF
IPM Module Fault
ON
No fault
Fault
ON Power on
OFF Power off
CODE
CODE
Fault description
Description
E4 Temperature sensor fault (T3,T4,T5)
F1 High pressure switch fault (HPS)
H8 Pressure transducer fault (PT)
E5 High/Low voltage protection
E9 EEPROM fault
H0 Communication fault in main control chip
L0-L9 The IPM module protection(only for analysis)
C3 The coil sensor is seated fault in cooling(T3)
E7 Compressor discharge sensor is seated fault (T5)
PH Low discharge superheat protection
P1 High pressure(HPS) protection
P5 Condensor coil temperature protection in cooling (T3)
P4 High T5 protection
P0 High module radiator temperature protection (TF)
P3 Compressor over current protection
P2 Low pressure protection in cooling or heating (PT)
H5 5 times (P2) protection in 100 minutes,lockout
AtL Ambient temperature limited T4 (heat pump)
┣
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
COMP.
COMP.
U
V
W
Y/G
WARNING
FAILURE TO FOLLOW THIS WARNING COULD RESULT
IN PERSONAL INJURY OR DEATH
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.
SC
Y/G
TF
Thermostat
Connections
ON
1
OFF
1
Switch ON Position:
Color upper half to show
switch position is UP.
Switch OFF Position:
Color lower half to show
switch position is DOWN.

Bosch BOVB36-18 Specifications

General

Brand	Bosch
Model	BOVB36-18
Category	Heat Pump
Language	English