10 x Technical data
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FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009
10.2.3 Characteristic curves for operating modes in 3-phase 11-16 kW systems
Fig.10-7 Operating mode room cooling Fig.10-8 Operating mode room heating
T
A
External temperature
T
LWE
Temperature of discharge water at vaporiser
T
LWC
Temperature discharge water at the capacitor
T
WW
Hot water temperature
Area without hatching
Operation only with heat pump
Area A
Operation only with Booster Heater (EHS)
Area C
Operation only with Backup Heater (BH)
Area D
Operation possible, however no performance guarantee,
below -25 °C the system automatically switches off
Fig.10-9 Operating mode water heating