Blodgett COMBI COS-20G Installation And Operation Manual page 12

OVEN OPERATIONAL TESTS
NOTE: Checks to be made by customer or autho-
rized service agent.
Cool Down Mode
Check fan rotation is correct, counter clock-
j
wise from inside of the oven
Combi Mode
Turn to COMBI mode, set thermostat to 177_C and
verify:
Boiler flushes and fills
j
Boiler preheats to 85_C then switches to HOT
j
AIR
When HOT AIR reaches 177_C, HOT AIR shuts
j
off and STEAM comes on
Steam Mode
Turn on STEAM mode and verify (control panel re-
moved):
Check timer operation in all three positions
j
a.) Set timer to OFF position, buzzer should
sound
b.) Set timer in position other than OFF or
STAY ON, timer should count down
c.) Set timer in STAY ON position, oven should
operate continuously without timer
Run light (power light) turns on
j
Unit produces steam, window fogs, door seal
j
does not leak
Quenching system working
j
Hot Air Mode
Turn to HOT AIR mode and set thermostat to
204_C and verify:
Heat demand light is on
j
Oven is heating properly
j
Heat lights shuts off at 204_C and oven main-
j
tains 204_C.
11
Installation
Final Check Lists