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Blodgett Combi BC14G - Page 38

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BC14G AND BC14E
6-1
COMPONENT IDENTIFICATION
The following is a key for the abbreviations of comĆ
ponents on the schematic. Additional information
is provided as to the function of the component to
assist you in troubleshooting.
NOTE: Refer to the figures on pages 6-5 and
6-6 for component locations.
1. CF1 - Electrical compartment cooling fan.
2. CHĆ136 ć optional COOK & HOLD control for
oven operation. Controller has two LCD disĆ
plays and softĆkey push button control
3. CW - stands for COLD WATER only.
4. (ELECTRIC OVENS) - Elements (Hot Air) -
quantity (10), 1.5KW elements located in the
cook Compartment.
5. (ELECTRIC OVENS) - Elements (Steam) -
quantity (6), 3.0KW elements located in the
steam generator. Elements are in an assembly
with 2 elements per assembly.
6. Flush/Fill (solenoid) - (no designation) indiĆ
cates nonĆrestricted solenoid used for fast fillĆ
ing and flushing of the steam generator.
7. (GAS OVENS) - F1 & F2 ć 12.5 amp control
fuses
8. (ELECTRIC OVENS) - F1 & F2 ć 5 amp slow
blow control fuses
9. F3 - Cooking Compartment High Limit TherĆ
mostat. Capillary type thermostat with the
sensing bulb located in the cooking compartĆ
ment. Opens at 662_F or 350_C disabling the
control circuit.
10. (ELECTRIC OVENS) - F3Ć5A ć ( 5 amp fuse
on secondary of step down transformer of
480v electric Synergy ovens
11. (ELECTRIC OVENS) - F3Ć60A, F4Ć60A,
F5Ć60A, & F6Ć60A ć 60amp fusing for the Hot
Air & Steam elements in a BC14E Synergy
Electric singleĆphase oven
12. F6 ć Boiler High Limit thermostat. Capillary,
manual reset, steam generator high limit.
Opens at 257_F or 125_C.
13. F9 ć 350ma meat probe fuse
14. (GAS OVENS) - Hot Air IGN1, IGN2 ć Hot Air
Ignition Control Modual. Sequence of operaĆ
tion: Input 24Vac to THS2 & GND. SPARK outĆ
puts to pilot assembly and sparks. PV1 outĆ
puts to pilot valve & opens valve. SPARK
output continues until flame sense is proved
(.15 microamps is lockout / minimum you
should see is .2 ). Lock out of modual is after
50 seconds if flame sense has not been
proved. Once SENSE4 has proved, MV3 outĆ
puts. MV3 is connected to IGN2 modual, termiĆ
nal THS2. Ignition sequence continues for 2nd
modual. MV3 supplies power to main valve on
the combination valve. Burners light.
15. Hot Water Fill (solenoid) ć (no designation)
The solenoid used for slow filling (fill line is reĆ
stricted) the steam generator with water by the
HLC reed float assembly.
16. H2 ć Low Water light. Low water light on the
lower right hand corner of the control panel. It
is only on when the Low Level Control (LLC)
float switch is closed (steam generator is fast
filling).
17. H4 ć Power On" light. indicates the oven has
been turn on in the STEAM", HOTAIR", or
COMBI" mode.
18. H5 ć duty light for temperature control board.
19. H6 ć Steam Duty light. When lit, indicates powĆ
er is being supplied to the steam ignition cirĆ
cuit.
20. HLC ć High Level Control. Float switch (reed
switch) in the float assembly which does the norĆ
mal operation water fill to the steam generator
(this is the shorter float in the float assembly)
21. (ELECTRIC OVENS) - K2 (A & B Primary) ć
Solid State Hot Air Relays (SSRs). (2) 45 amp
solid state relays for hot air. K2A is deactivated
in Combi mode if Steam circuit is calling for
heat.
22. (ELECTRIC OVENS) - K3 (A & B Primary) ć
Solid State Steam Relays (SSRs) (2) 45 amp
solid state relays for steam. K2A is deactivated
in Combi mode if the thermostat is calling for
heat.
23. LLC ć Low Level Control. Float switch (reed
switch) in the float assembly which fast fills the
steam generator (this is the longer float in the
float assembly).

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