18
Installation Instructions
The bathroom and sub controllers have a maximum temperature setting of 50°C for safety. To ensure compliance with
Australian Standard AS/NZS3500.4, for sanitary areas, which may be achieved by using a Bosch appliance with a
delivery temperature greater than 50°C and installed with a tempering valve. In New Zealand, please refer to the New
Zealand Building Code and all other applicable electrical, gas fitting and plumbing codes.
Changing the Maximum Temperature install the remote controller according to the installation guide.
<The changing procedure of the maximum temperature setting.>
1. Turn the water heater off by pressing the ON/OFF button on the remote controller.
2. Disconnect electrical power to the water heater.
3. Remove the front cover of the water heater (4 screws).
4. Locate bridge attached to the inside of the front cover, and insert the bridge
into plastic clip between the remote controller terminals as shown on the right.
5. Replace the front cover of the water heater (4 screws).
6. Reconnect electrical power to the water heater.
Main controller
Bathroom controller
Sub controller
YPRM67XBN
YPRS67XBN
YPRP62XBN
Max temperature 60°C *
Max temperature 50°C
Max temperature 50°C
Applicable Model
* Maximum temperature is controlled by the maximum default temperature set in the water heater.
* Bath Fill temperature setting is 37 - 48°C.
• When changing the temperature, make sure to confirm with the customer that the temperature of
the hot water will be very high and that there is a risk of scalding.
WARNING
It is recommended that for sanitary fixtures use primarily for the purpose of personal hygiene,
that a temperature control device be fitted (such as a tempering valve) as per AS3498.
Remote Controller
The following combination of remote controls will operate the water heater.
Only Main Controller
Works
Only Bathroom Controller
Won't work
Only Sub Controller
Won't work
Main & Bathroom Controller
Works
Main, Bathroom & 1 or 2 Sub Controllers
Works
Main & Sub Controller
Won't work
Bathroom & Sub Controller
Won't work
Remote controller
* The Bosch water heater has been factory set to allow a maximum
temperature setting of 55°C.
To change the maximum temperature setting, connect the temperature
selection wire as shown in the below diagram. The default temperature
is 55°C when the temperature selection wire is not connected.
Bridge
Factory Setting
37 - 55°C
37 - 50°C
37 - 50°C
Connector in
37 - 60°C
37 - 50°C
37 - 50°C
Factory Setting
37 - 50°C
37 - 50°C
37 - 50°C
Connector in
37 - 42°C
37 - 42°C
37 - 42°C
Main controller
Bathroom controller
Sub controller
Remote controller
YPRM67XBN
YPRS67XBN
YPRP62XBN
BC2680RA BC2180RA
BC2680RA5 BC2180RA5
Bridge
