Bosch Vision 800 Series Servicehandleiding - Pagina 9
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4
OVEN OPERATION
The range ships from the factory ready for use with natural gas.
Conversion to LP must be performed by a qualified installer or
servicer. An LP conversion kit ships with each range, and the kit is
also available as a service part.
The broil and bake burners are controlled by the power board, via
relays which supply 120V to the dual valve and hot surface igniters
(HSIs). The dual valve (to feed the bake and broil burners) and the
igniters are in series connection that requires both to be in operating
condition in order for gas to flow and ignite. If either is not working,
gas will not flow. Most of the 120V are dropped across the igniter. In
general, 115V will be on the igniter with 3-4V on the valve. The total
series current through the igniter/valve is approximately 3.5 amps.
When heat is called for from the bake or broil burners, the control
board activates the appropriate relay to supply power to the ignition
circuit. The igniter should be visibly glowing approximately 10 seconds
after the relay turns on. Gas ignition should occur within a maximum
of 90 seconds from the time power is supplied to the ignition system.
Gas will continue to flow as long as power is supplied to the ignition
system. If power is removed, or the dual valve or igniter develops an
open circuit, gas will flow for approximately 30 seconds before the
dual valve switches to the normally closed position.
4.1
Allowable Operating Range by Cooking Mode
Table 1 reflects the minimum and maximum temperatures by cooking
mode.
Cooking Mode
Min
Max
Bake
100°F
550°F
Low
High
Broil
450°F
550°F
Copyright by BSH Home Appliances Corporation
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
MAY 2016
Default
350°F
High
1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614
Service Manual for Bosch 800 Series Gas Slide-in Ranges
Cooking Mode
Min
Max
Roast
100°F
550°F
Warm
150°F
225°F
Sabbath
100°F
425°F
2
Self-Cleaning
4 hours
hours
Proof
85°F
125°F
Convection Bake
100°F
550°F
Convection Roast
100°F
550°F
Pizza
100°F
550°F
Table 2 Allowable temperature range by cooking mode
4.2
Burners/WD Element
All ovens include a 12.5K BTU broil burner, an 18K BTU bake burner,
a convection fan and a warming drawer with a 400W element.
During normal operation, when the oven door is opened, burners and
convection fan are disabled; heating and fan operation will resume
when the door is closed. (When Sabbath mode is enabled, the bake
burner is not disabled when the door is opened.)
4.2.1 Burners Used by Cooking Mode
The table below reflects which burners are used for each cooking
mode, and which modes also use the convection fan to circulate air.
Cooking Mode
Burners Used
Bake
Bake
Broil
Broil
Default
325°F
170°F
N/A
3 hours
100°F
325°F
325°F
400°F
Description
Bake burner generates heat and cycles to
maintain oven temperature
Intense heat is radiated from the upper
burner
Page 9 of 36
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