105Operating the Boiler
Setting the Operation Strategy
To set the operation strategy (operating algorithm), select the strategy from Comfort (default), Eco, or Boost. The detailed information for
each mode is as follows.
Comfort Eco Boost Custom
Operating method
Late On/Early Off
Ɣ
Unit On HC: 95%
(Late Unit On)
Ɣ
Unit Off HC: 30%
(Late Unit Off)
Early On/Late Off
Ɣ
Unit On HC: 60%
(Early Unit On)
Ɣ
Unit Off HC: 30%
(Late Unit Off)
Late On/Early Off
Ɣ
Unit On HC: 95%
(Late Unit On)
Ɣ
Unit Off HC: 50%
(Early Unit Off )
Ɣ
Unit On HC: The value of
Unit On HC
(Default: 70%)
Ɣ
Unit Off HC:The value of
Unit Off HC
(Default: 30%)
Feature
Minimizes switches from
On/Off in the unit.
Maximizes the unit
operation.
Minimizes the unit
operation.
On/Off in the unit is
determined by custom
settings.
Condensing
effectiveness
ƔƔ ƔƔƔ Ɣ
Heat responsiveness
depending on a small
amount of load changes
ƔƔ Ɣ ƔƔƔ
Heat responsiveness
depending on a large
amount of load changes
ƔƔ ƔƔƔ ƔƔ
Ɣ
Comfort
This mode minimizes the amount of times the unit cycles ON and OFF. However, it requires additional unit operation time (Low Off HC). Refer
to the following operating diagram for the detailed information.
95% 47.5% 47.5% 95% 95%
63.3%
60%
63.3% 63.3% 100% 100% 100%
45% 45%
30% 30%
30% 30%
30%
Unit ON
Unit ON
Unit OFF
Unit OFF
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