Operation Manual

---
Boiler Load
{Fan Speed)
a) Flow Adjustment
SEALING
LABEL\--
_/
,'
:
- l
OFFSET
- - ,
ADJUSTMENT
7.4
Service
Mode
1
---
Boller Load
{Fan Speed)
b) Offset Adjustment
FEEDBACK
CONNECTION
FlOW(CO)
ADJUSTM
E
NT
SEA
LI
NG
lAB
EL
Turn the
CH
knob fully clockwise. Status LED Service will be
ON
After the soft start time ends, the boiler will run
at
the minimum load.
To operate the boiler
at
the maxmum load, turn the
CH
knob to the off position
and back again to the service mode position within 3 seconds. (If the
CH knob
stays
in
off position, the main board will cancel the service mode). The
status LED Service will blink
to
indicate the maximum load.
Service mode will be inactive after 10 minutes.
It is possible cancel the soft start function by turning the
CH
knob to the
off position and back again to the service mode position within 3 seconds.
33