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Lighting Instructions - Bosch 330-PN-N Installation Manual

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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
330 PN
▶ 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.
Operation instructions | 21
6 720 644 951 (2014/11)

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