Bosch IDS 2.0 User Manual

Service Manual Bosch IDS 2.0 | 63
Bosch Thermotechnology Corp. | 07.2021
Data subject to change
12.4.4 Poor Dehumidifi cation
LED display output: No fault code displayed
Description: System is running, but not dehumidifying the space to customer’s expectation
Possible causes:
 Unit improperly sized
 Duct work design error
 Unit improperly charged
 Improper indoor fan speed
Table 50
Procedure:
Figure 37
Refer to IOM and follow
local codes
No
Yes
Was ductwork
installed properly?
Confirm sizing via load
calculation
Is the unit sized
correctly for the
application?
Yes
No
Refer to IOM
No
Yes
Is the system
properly charged?
Yes
Is there still poor
dehumidification?
No service required
No
Change SW4-4 to on
position on outdoor board.
Set indoor fan to lower
speed using SW6-1, SW6-2
on indoor board
Yes
Is there still poor
dehumidification?
No service required
No
Disconnect Y2. Only Y1
should be connected.
Yes
Is there still poor
dehumidification?
No service required
No
Consider putting a third
party dehumidifier in
conditioned space

Bosch IDS 2.0 Specifications

General

Refrigerant	R-410A
Stages	Variable
Voltage	208/230 V
System Type	Air Source Heat Pump
Compressor Type	Inverter-driven
Sound Level	As low as 56 dB
Heating Capacity	Varies by model
Cooling Capacity	Varies by model
Noise Level	45 dB to 60 dB
Operating Temperature Range (Heating)	-20°C to 35°C
Dimensions (Outdoor Unit)	Varies by model
Weight (Outdoor Unit)	Varies by model
Seasonal Coefficient of Performance (SCOP)	Not Available