Instructions / Assembly

Bosch Thermotechnology Corp. reserves the right to make changes without notice due
to continuing engineering and technological advances | BTC 722008305 A | 07.2015
Bosch Thermotechnology Corp.
Londonderry, NH • Ft. Lauderdale, FL
Tel: [phone] Fax: [phone] www.boschheatingandcooling.com
TRONIC 6000C WH17 & WH27
Electric Tankless Water Heaters
5 of 5
Installation Example
TRONIC
WH17 or WH27
Hot Cold
Symbols
Service
valves
Sink
Standard tub fixture
Flow direction
Note: Cold water piping to fixtures not shown for clarity purposes.
Components
A Heating module
B Heating element assembly
C Heating module P.C.B’s
F Temperature sensor
G Terminal block (CANADA ONLY)
H Flow transducer
I Control PCB
J Cold water inlet
K Hot water outlet
L Display PCB
M Display DIP switch
Components Legend
D Double pole thermal cut-off (WH27)
Single pole thermal cut-off (WH17)
E 6 position terminal block (WH27)
4 position terminal block (WH17)