Triac Map - Bunn Axiom Series Technical Training Manual

Brewing Circuit
p
robleM
W
eak beverage
"
"
"
d
ry coffee grounds reMain in
the funnel
"
l
oW beverage serving
teMperature

Triac Map

Viewing the Control board as if were installed in the machine on the right vertical edge a series of 5 triacs can be
found. They are labeled TH1 to TH5 with TH1 being located at the bottom of the board and TH5 at the top.
1: TH1 Left Front Warmer
2: TH2 controls Brew Solenoid Valve
3: TH3 Right Rear Warmer
4: TH4 controls Refill Solenoid Valve
5: TH5 Main Warmer
30
AXIOM Training Manual
®
(cont.)
p
( .) 2. W
cont ater teMperature
" 3. f
ilter type
" 4. c
offee grind
" 5. f
unnel loading
1. s
prayhead
" 2. f
unnel loading
1. t
herMal server
preheated before breW cycle
c
robable ause
/
airpot not
r
eMedy
Place an empty brew funnel on an empty
decanter beneath the sprayhead. Initiate
brew cycle and check the water tempera-
ture immediately below the sprayhead
with a thermometer. The reading must
not be less than 195°F (91°C). Adjust the
temperature setting to increase the water
temperature.
BUNN® paper filters must be used for
proper extraction.
A fine drip or grind must be used for
proper extraction.
The BUNN® paper filter must be centered
in the funnel and the bed of grounds lev-
eled by shaking gently.
Make sure sprayhead is present and
holes are clear and unobstructed.
The BUNN® paper filter must be centered
in the funnel and the bed of grounds lev-
eled by shaking gently.
Preheat server with warm water before
next brewing cycle.
5
4
3
2
1