Bosch 125B LP Specifications download pdf (Page 21)

6 720 644 951 (2014/11)330 PN

Operation instructions | 21

appliance and to replace any part of the control system and any

gas control which has been under water.

5.2 Lighting instructions

▶ STOP! Read the previous safety information.

▶ The gas valve must be turned off by sliding the gas valve

button to all the way to the left.

Fig. 16

▶ Wait five (5) minutes to clear out any gas. If you smell gas,

STOP! Follow “B” in the safety information above on this

plate. If you don’t smell gas, go to next step.

▶ The pilot burner window is located in the front center of the

cover.

▶ Slide the gas valve button to the position .

Fig. 17

▶ Fully depress gas valve button.

Fig. 18

▶ With the gas valve button fully depressed, light pilot by

pushing the piezo button. This step may have to be

repeated.

Fig. 19

▶ Observe the pilot flame through the peephole. The gas

valve button should be held down for at least 15 seconds

with pilot burning before releasing. When the gas valve

button is released, the pilot should continue to burn.

- If the gas valve button does not pop out when released,

stop and immediately call your service technician or gas

supplier.

- If pilot does not stay lit, repeat all steps.

- If pilot will not stay lit after several tries, slide the gas valve

button all the way to the left and call service technician or

gas supplier.

▶ The heater will now fire at minimum power when water is

drawn at a rate greater than the required activation flow

rate.

Note: If main burner should fail to ignite, make sure pilot is

burning. If not, repeat lighting steps.

Note: The 330 PN operates in two modes. See SETTING THE

WATER TEMPERATURE.

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Bosch 125B LP Specifications Page 21