Lennox CLIMATIC series User Manual page 28

COMPONENTS
Electrical heaters
The capacity of electrical heaters controlled piloted by Triac may be limited. The set point (3751) sets the maximum threshold
Hot water
Protection against freezing with minimum water fl ow - If the outside air temperature is below the set point (3762), the valve will
open to a minimum set in the threshold (3761) .
Freezing fault
In general, in case of hot water coil icing détection, the valve will open to 100%. Due to certain hydraulic network, pumps or tracing,
the coil protection is done by closing the valve. This can be activated with the set point (3763).
Hot water circulator
The CLIMATIC may drive a circulator for the hot water hydraulic circuit.
The circulator activation mode can be adjusted according to the circuit.in the menu (3771)
[Stopped] No circulator
[Frost.Al] Circulator activation in case of freezing fault
[Heat.Mode] Circulator activation in heating mode for air temperature regulation
[Power On] Circulator activation as soon as the blowing fan is activated
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Stage priority
(2774)
Stage 3
Stage 2
Compressor
Stage 1
Stage priority
Stage 3
Stage 2
Heater 1
Stage 1
Stage priority
(2774)
Stage 3
Stage 2
Heater 2
Stage 1
Stage priority
Stage 3
(2774)
Stage 2
Heater 2
Stage 1
Heater 2
Heater 1
(2771)
Heating capacity (%)
(2774)
Heater 2
Compressor
(2771)
Heating capacity (%)
Heater 1
Compressor
(2771)
Heating capacity (%)
Compressor
Heater 1
(2771)
Heating capacity (%)
CLIMATIC RT_UNITARY-IOM-1508-E