Installation Instructions Bosch IDS BOVA | 37
Bosch Thermotechnology Corp. | 12.2016
Data subject to change
16 Wiring diagrams
16.1 For BOVA 36
T
F
T5
PFC-L
FO
R
C
E
L1
L2
T4
HPS
EEV
Y
W
C
B
PT
SV1
U
V
W
P
V
W
U
V
W
U
2P
4P
CCH
BROWN
YELLOW
Y/G
H
L
COM
USE COPPER CONDUCTORS ONLY
DSP1
4
ONLY FOR HP MODEL
B AND W ONLY FOR HP MODEL
WOLLEYWOLLEY
BLACK
BLUE
ORANGE
ORANGE
ORANGE
ORANGE
N
BROWN
3
+
-
GREEN LED
OFF:Control board fault
FLASH:Standby
9
8
4
FORCE
IPM module protection
Low dc voltage protection
Compressor phase error
IPM control fault
RED LED FLSAH
0
ON:Compressor operation
O
N
OF
F
T3
CHECK
PRESS
6s
TEST MODE (N
OT USED)
PRESS
1s
PRESS
1s
PRESS
1s
PRESS
6s
CHECK
FORCED DEFROSTING
Communication fault
CHECK THE SYSTEM PARAMETERS
TF
WAIT 2 MINUTES AFTER DISCONNECTING POWER,THEN
VERIFY DC VOLTAGE LESS THAN 42 VDC AT INVERTER
COMPONENTS MAY STORE A
DANGEROUS ELECTRICAL POTENTIAL OF 380 VOLTS DC.
FAILURE TO FOLLOW THIS WARNING COULD RESULT
IN PERSONAL INJURY OR DEATH
TEST POINTS P2-P4.
COMP
COMPRESSOR
CCH
4-WAY VALVE
EEV
ELECTRIC EXPANSIVE VALVE
HPS
HIGH PRESSURE SWITCH
3T
5T
4T
CONDENSER TEMPERATURE SENSOR
CRANKCASE HEATER
COMP. DISCHARGE TEMPERATURE SENSOR
SV1
PFC-L
CAPACITANCE
TP
PRESSURE TRANSDUCER
RADIATOR TEMP. SENSOR
AMBIENT TEMPERATURE SENSOR( FOR HP SYSTEM)
10K RESISTANCE ( FOR COOLING ONLY SYSTEM)
WARNING: CABINET MUST BE PERMANMENTLY
GOUNDED AND ALL WIRING TO CONFORM TO
I.E.C,N.E.C,C.E.C,C.L.C,AND LOCAL CODES AS APPLICABLE
REPLACEMENT WIRE MUST BE THE SAME GAUGE AND
INSULATION TYPE AS ORIGINAL WIRE
WARNING
ELECTRIC HAZARD 380 VOLTS DC
FORCED COOLING /HEATING
(CHARGE MODEL)
RC 2
PFC INDUCTANCE
L
D
P
Compression ratio protection limit
U
The T3 sensor is not seated fault
C
Compressor current protection limit
H
Compressor oil return
C3
Forced operation mode
T3 high temperature limit
T5 high temperature limit
AtL
F
TF high temperature limit
Voltage protection limit
Ambient Temperature Limited
L
0
-
L
9
IPM module protection or frequent power on/off
H4
F1
Temperature sensor fault(T3 T4 T5 TF)
Hb
High pressure(PT) protection in Heating
5
E
9
E
High/low voltage protection
The discharge sensor(T5) is not seated fault
E4
CODE
3 times (P6) protection in 60 minutes,system lockup
P6
PH
High pressure (HPS) protection
2
P
4P
3P
Low pressure Protection
(PT)
P1
P0
The discharge temp. Protection
(T5)
5
P
High condensor coil temp. (T3) protection
IPM module protection
Low discharge superheat protection
Fault description
H8
Pressure transducer(PT) short or open fault
EEPROM
fault
High p
ressure switch(HPS) fault
Compressor over current protection
The module radiator temperature (TF)protection
7
E
0H
Communication fault in main control chip
H5
5 times (P2) protection in 100 minutes,system lockup
DF
Defrost mode
ON
4
SW5-1
Enter defrost
SW5-2
Quit defrost
OFF
ON
OFF
OFF
ON
Normal
Operating time is reduced by 10%
3
SW4-2
SW4-3
Not used
SW4-4
OFF
ON
Normally cooling/heating
OFF
ON
Accelerated cooling/heating
Adaptive capacity output disable
Adaptive capacity output enable
SW4-1
Not used
Defrosting extended for 60 seconds
ON
OFF
Detailed reference manual instructions
**
*
The factory Default
Normal
Figure 64
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