Grundfos SCALA1 System - Technical Specifications; Operating Conditions

8. Technical data
8.1 Operating conditions
SCALA1 System
3-35 3-45
Pump water temperature [°C] 5-35 5-35
Max. ambient temperature [°C] 55 55
Max. liquid temperature [°C] 45 45
Max. system pressure [bar] 8 8
Max. inlet pressure [bar] 4 3
Max. inlet pressure from mains [bar] 10 10
Max. head [m] 36 45
Nominal head [m] 20 25
Nominal flow [m³/h] 3.72 3.59
IP Rating System IP 20 IP 20
Pumped liquid Rainwater Rainwater
Noise level [db(A)]
2)
< 55 < 55
Frequency of starts and stops 25 per hour 25 per hour
Start pressure (pstart) [bar] 1.5 2.2
Inlet and outlet connections 1" 1"
Diameter of tap water pipe 3/4" 3/4"
Diameter of overflow PP DN 50 M PP DN 50 M
Tank capacity [L]
15
3)
15
Material of tank HDPE (high-density polyethylene)
Float switch level of tank Start/Stop float switch with 20 m cable
Media type
Non-aggressive and non-explosive liquids without solid particles or fibres
or abrasive water.
2)
Noise level of SCALA1 pump
3)
Useful volume is 12 L
26
English (GB)