Split system (Single phase and 3-phase type)
40 Maintenance Document 1544-1
2.5 Operating Limits
Single phase 3-phase
HEAT PUMP
112 140 112 140 160
Min/max OT in heat mode
(°C)***
-25/35
Heating floor maximum
water temperature (°C)
45
LT radiator maximum
water temperature (°C)
60
Min/max OT in cooling
mode(°C)
8/43
Cooling floor minimum
water temperature (°C)
18
Fan coil minimum water
temperature (°C)
8
Water circuit max pressure
(Bar)
3
Maximum flow rate (l/h) 2340 2920 2340 2920 3290
Minimum flow rate (l/h) 1170 1460 1170 1460 1650
Refrigerant circ max
pressure (kPa)
4,2
Min delta T (°C) 4
Max delta T (°C) 8
Outdoor unit Noise level 1
(dBA)*
55 56 53 55 56
Outdoor unit Noise level 5
(dBA)**
39 41 39 41 42
Outdoor unit air flow rate
(m
3
/h)
3100 x 2 3450 x 2
* Acoustic pressure level reading at 1m, in open field, on a reflecting plane.
** Acoustic pressure level reading at 5m, in open field, on a reflecting plane.
*** When the outdoor temperature continuously exceeds 35°C, DHW heating is done by the water heater
heating element.
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