Measurement Guide

Grundfos cannot be held responsible for wrong sizing based on this guide. If any questions to selection or sizing please feel free to contact us any time or go to grundfos.us DN000430_1220
SCALA1
· All-in-one booster
· Water on demand
· Self-priming
Floors
\
Taps
1-5 6-10 11-20 21-50
4 SCALA1 3-45* SCALA1 5-55 — —
3 SCALA1 3-45 SCALA1 3-45 SCALA1 5-55 —
2 SCALA1 3-35 SCALA1 3-45 SCALA1 5-55 —
1 SCALA1 3-25 SCALA1 3-35 SCALA1 3-45 —
PRESSURE BOOSTING  QUICK SIZING
CONVENTIONAL PUMP CONTROL
PRECONDITIONS
• 3 bar tap pressure is considered, to achieve 4 bar pressure add 2 more oors • Flooded Suction • 0,5 l/s per tap average, usage pattern is taken into account
SCALA1 TWIN
(Duty/Assist)
· Easy solution
for twin-booster
· Easy installation
· Enabled for
Grundfos GO Remote
Floors
\
Taps
1-5 6-10 11-20 21-50
4 — — SCALA1 TWIN 5-55 SCALA1 TWIN 5-55
3 — — — SCALA1 TWIN 5-55
2 — — — SCALA1 TWIN 5-55
1 — — — SCALA1 TWIN 5-55
Taps or m
3
/h
1-5 taps
1-2 m
3
/h
6-10 taps
3-4 m
3
/h
11-20 taps
4-5 m
3
/h
Manually controlled water supply JP 3-42 JP 4-47/54 JP 5-48
Contant water supply with pressure-drop
compensation
JP 3-42 PT-V/H JP 4-47/54 PT-V/H JP 5-48 PT-V/H
Constant water supply. Dry-runningprotection
and anti-cycling function
JP 3-42 PM JP 4-47/54 PM JP 5-48 PM
Jet pump
& booster
· Easy to install
· Self-priming
· Robust design
Quick selection guide
GRUNDFOS DOMESTIC COLD WATER