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Bosch Climate 5000 Series 24 Volt Interface
Installation Manual
06.2019
|
Bosch Thermotechnology Corp.
Data subject to change
6 Control Logic
6.1 Connector
Connector
Purpose
Y
Cooling
W
Heating
G
Fan- Auto speed
AUX/DRY
Aux-Heat/Dry
Table 6
6.2 Mode Setting
Y
W
G
Aux/Dry
Setting mode
√
X
*
*
Cooling
X
√
*
X
Heating (without aux-heater)
X
√
*
√
Heating (with aux-heater)
X
X
√
X
Fan only
√
√
*
*
OFF
X
X
X
X
OFF
X
X
*
√
Dry
Table 7
√ = ON
X = OFF
*
= ON or OFF
6.3 Fan Speed Setting
Unit ON/OFF
G
Setting fan speed
√
X
Auto fan speed
√
√
Auto fan speed
X
X
Fan OFF
Table 8
√ = ON
X = OFF
7 Dip Switch Con
fi
guration
The 24V INTERFACE must be confi gured to operate properly with the system
components with which it is installed. To successfully confi gure the system, move
the Dip Switches to match the components and functions used.
7.1 Dip Switch De
fi
nitions
Figure 8
SW2
SW3
SW4
SW1
Dip Switch 1-1
Used to turn ON or OFF the diagnostic code display LED on the control board of the
24V Interface.
SW1-1
Result
Note
ON
Display on
OFF
Display off
Default
Table 9
Dip Switch 1-2
Used for selection of the indoor unit type.
SW1-2
Result
Note
ON
Enables 24V INTERFACE to work with IDU & ODU
OFF
N/A
Default
Table 10
Must be switched to ON before using the system.
Dip Switch 2-1
Used for selection of the system: Cooling Only or Heat Pump.
SW2-1
Result
Note
ON
Cooling only
OFF
Heat pump
Default
Table 11
