Operation instructions

3.3Use of remote control accessory

Fig. 30 Remote control

The wireless remote control accessory and the temperature selector buttons on the front of the water heater operate identically. Contact your distributor or CEC to order if the remote control accessory is preferred. Modification of the water heaters interior control unit (Fig. 29, component 12) is required when programming the remote control with this heater.

NOTE: up to 6 remote controls can be

iprogrammed for one single water heater, each with a range distance of 98 ft (30 m).

3.4Operation

BWhen a hot water tap is opened, main burner ignites and LCD displays indication .

Fig. 31

BLCD blinks until selected temperature is reached.

3.5Reset button

If the LCD shows the error symbol .

See the error code on LCD and consult “Troubleshooting” section.

Fig. 32

After following instructions indicated in “Troubleshooting” section

Bpress reset button in order to make the appliance ready-to-work.

Fig. 33 Reset button

If the problem persists, contact your installer.

3.6Program button

Program button can be used/programmed in the appliance and in the remote control.

Programming “Program” function

Programming actions are similar for both controls (appliance control pad and wireless remote control).

Fig. 34 “Program” key

BPress buttons and to select temperature to be memorized.

B Hold “Program” button for 3 seconds to save temperature.

When LCD stops blinking. Temperature is saved on “Program”.

Using “Program” function

In order to select memorized temperature

BPress “Program” key.

LCD shows pre-memorized temperature, which is now the hot water selected temperature.

3.7Locked condition

This condition is only valid for appliances with more then 1 controller (appliances with remote control).

Fig. 35 Locked condition

Whenever LCD shows the temperature setting cannot be adjusted because the appliance is in use by a user which already selected a different temperature. Appliance will be automatically unlocked after closing hot water tap.

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Bosch Appliances 250SX NG manual Use of remote control accessory, Operation, Reset button, Program button, Locked condition