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OPERATING RANGE
Operating range
The table below lists the operating ranges within which correct operation of the units is guaranteed, depending on the Version and
Operating Mode available for each type of unit.
Remember that in Heat Pump units, heat recovery only takes place during operation in the cooling mode.
NOTE: the admissible limits for water flow rate on heat exchangers are indicated under the related pressure drop graph (see
section "water pressure drop"). If the unit is equipped with pumping module the admissible limits are indicated under the
related working head graph (see section "working head").
Operating range of Base version
Thermal gradient of the water Limit value
Minimum °C 3
Maximum °C 8
Verify that water flow rate is inside the admissible limits.
With accessory fans modulating control (brine is recommended)
WATER OUTLET
TEMPERATURE
EXTERNAL AIR
TEMPERATURE
IN COOLING MODE
IN HEATING MODE
BRINE UNIT BR - BP - IN COOLING MODE
WATER OUTLET
TEMPERATURE
EXTERNAL AIR
TEMPERATURE
∆T Water= 5°C
WATER OUTLET
TEMPERATURE
EXTERNAL AIR
TEMPERATURE
∆T Water= 5°C
WATER OUTLET
TEMPERATURE
EXTERNAL AIR
TEMPERATURE
UNIT MEDIUM TEMPERATURE - 0 M 5
UNIT HIGH TEMPERATURE - 0 A 5
With accessory fans modulating control
ATC (Advanced Temperature Control) function may occur, if present
ATC
∆T Water= 5°C
∆T Water= 5°C
With accessory fans modulating control
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