Bosch BCC100 User Manual page 4

2
Mount the New Wall Plate
Use the enclosed screws and anchors to
mount the new wall plate. In most cases,
you can utilize the same mounting position of your old
thermostat. Be sure to check the alignment of your wall
plate before installation.
3
Connect the New Wall Plate
WARNING: Use caution when securing and routing
wires to prevent possible shortage to adjacent terminals.
Insert all wires vertically from the open socket into the
proper terminal. Ensure that each wire is inserted into the
matching terminal. Use the supplied flathead screwdriver
to fasten each wire. Pull wires gently to ensure wires are
securely fastened.
KEY
Rc Power Cooling
Rh Power Heating
C Common
G
Fan
1st Stage
Y
Compressor
2nd Stage
Y2
Compressor
3
Note: the color of your wires may not be the same as what's shown in this User Guide
1st Stage Heating
W/E
Emergency heat activated at W1
2nd Stage Heating
W2
Auxiliary heat activated at W2
O/B Reversing Valve
H/Dh
(De) Humidifier
Alarm Input
Data
(Only to be used with Bosch WSHP)
Jumper