Operating Limits - Fujitsu WATERSTAGE 112 Maintenance Document

Heat Pump, Split System, Single Service, 3 phase
4.5

Operating Limits

HEAT PUMP
Min/max OT in heat mode (°C)***
Heating floor maximum water
temperature (°C)
LT radiator maximum water
temperature (°C)
Min/max OT in cooling mode(°C)
Cooling floor minimum water
temperature (°C)
Fan coil minimum water
temperature (°C)
Water circuit max pressure (Bar)
Maximum flow rate (l/h)
Minimum flow rate (l/h)
Refrigerant circ max pressure (kPa)
Min delta T (°C)
Max delta T (°C)
Outdoor unit Noise level 1 (dBA)*
Outdoor unit Noise level 5 (dBA)**
Outdoor unit air flow rate (m
* 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 t.
*** When the outdoor temperature continuously exceeds 35°C, DHW heating is done by the water heater
heating element.
Maintenance Document 1394-1
WATERSTAGE
112
2400
1200
53
39
3
/h)
Available Hydraulic Pressures and Flow Rates
WATERSTAGE WATERSTAGE
140
-20/35
45
60
8/43
18
8
3
3000
1500
4,2
4
8
55
41
3100 x 2
160
3400
1700
56
42
57