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2 6 | Bosch IDS BVA 2.0
SCHEMATIC DIAGRAM
SEE RATING PLATE FOR VOLT&HERTZ
FIELD POWER WIRING
TRANSFORMER
24V
240V
208V
COM
NOTES:
NOTES:
1: If connected to 1-Stage thermostat jump Y1 and Y2.
1: If connected to 1-Stage thermostat jump Y1 and Y2.
2: Use copper wire (75℃ ℃ min) only between disconnect switch and unit .
2: Use copper wire (75
3: Rewired in accordance with NEC and local codes.
3: Rewired in accordance with NEC and local codes.
4: If any of the original wire, as supplied, must be replaced use the same or
4: If any of the original wire, as supplied, must be replaced use the same or
equivalent type wire.
equivalent type wire.
5: Connect R to R,G to G,Y1 to Y,etc.See outdoor instruction for details.
5: Connect R to R,G to G,Y1 to Y,etc.See outdoor instruction for details.
6: If some signal lines of CN4 and CN5 are not used, wrap them up
6: If some signal lines of CN4 and CN5 are not used, wrap them up
separately with CAP.
separately with CAP.
7: See airflow tables for airflow settings.
7: See airflow tables for airflow settings.
8: : When need to change the transformer stage, remove the lead from "240V"
When need to change the transformer stage, remove the lead from "240V"
terminal and then connect the lead to "208V"terminal.
terminal and then connect the lead to "208V"terminal.
Figure 23
Indoor Unit Wiring Diagram
Data subject to change
NOT SUITABLE FOR USE ON SYSTEMS EXCEEDING 150V TO GROUND.
YELLOW
HEATER
KIT PLUG
INDOOR MAIN BOARD
FAN
RED
BLACK
min) only between disconnect switch and unit .
CAUTION:
.
RED
T2 OPEN
POWER IN
Installation Instructions
DETAILED REFERENCE
MANUAL INSTRUCTIONS
Y1 OR G
Y1+Y2 OR W
ON
1
1 2
*
ON
1
SW6-1,2
1 2
FAN SPEED
ON
TAPS
2
1 2
ON
3
1 2
1 2
*
ON
HEAT:
ANTI-COLD AIR
FAN DELAY
3
SW6-3
ON
HEAT:
FAN DELAY START
3
ON
RESERVED
4
SW6-4
*
ON
NORMAL
4
*FACTORY DEFAULT
Switch ON Position:
ON
Switch OFF Position:
Color upper half to show
Color upper half to show
switch position is UP.
switch position is DOWN.
1
SPEED TAPS
LOW
MEDIUM LOW
MEDIUM
MEDIUM HIGH
HIGH
GREEN LED4 FLASH
POWER ON
WORKING
ON
NORMAL
1
/
DEHUMIDIFICATION
3
ANTI-COLD
ANTI-COLD
AIR FAN
AIR FAN
DELAY
DELAY
T2 TEMPERATURE
5
/
SENSOR FAULT
02.2019 | Bosch Thermotechnology Corp.
2
3
4
5
1
OFF
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