Rotex HPSU compact (V5) - Characteristic Curves for Pumps; Tightening Torque

80
FA ROTEX HPSU compact (V5) • 
10 x Technical data
10.2.2 Characteristic curves for pumps
10.3 Tightening torque
¨P
R
Residual pumping height of internal heat circulation pump
m
H
Flow rate of heating system
Fig. 10-6 Residual feed height of interna
l heating circulation pump

ROTEX HPSU compact 304/308/508 with heating support
heat exchanger
¨P
R
Residual pumping height of internal heat circulation pump
m
H
Flow rate of heating system
Fig. 10-7 Residual feed height of interna
l heating circulation pump

ROTEX HPSU compact 516 with heating support heat ex-
changer
Component Thread
size
Tightening
torque
Temperature sensor all max. 10 Nm
Hydraulic line connections (Water) 1" 25 to 30 Nm
Gas line connections 
(refrigerant)
5/8" 63 to 75 Nm
Liquid line connections
(Coolant)
1/4" 15 to 17 Nm
Liquid line connections
(Coolant)
3/8" 33 to 40 Nm
Backup heater 1.5" max. 10 Nm
(ha
nd-tight)
Tab. 10-4 Tightening torque