Greentherm & thermtankless water heaters (107 pages)
Summary of Contents for Bosch 715ES
Models: 715ES, 2400ES, 2700ES Replacing the Attenuator Introduction Removing the attenuator Bosch Thermotechnology recommends the following water 1. Locate attenuator. (Fig. 2, pos. 1). heater adjustments to accomodate installations with a broader 2. Remove three Phillips head screws from attenuator.
Service bulletin 18 | G3-29 | 715ES, 2400ES, 2700ES 3. Release the program ( ) button when '188' appears on the Figure 3 display. The display should read 'P2'. If not, repeat process. (Fig. 4) 4. Press the ( ) button on the control panel until the display reads 'P1'.