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