Oilon VSi 6-14, Installation And Operation Manual

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Pump data, VMi 6–17
Heat pump VMi 6 VMi 9 VMi 11 VMi 14 VMi 17
Pump’s energy class A (variable frequency drive)
Pump’s nominal input power W 5–89 10–170
Pump speed, factory setting % 90
Nominal flow, ΔT=3K* l/s 0.64 0.79 0.94 1.18 1.34
Maximum allowed external pressure loss,
ΔT=3K*
kPa 53 48 81 65 54
Nominal flow, ΔT=4K* l/s 0.48 0.59 0.70 0.89 1.00
Max. allowed external pressure loss, ΔT=4K* kPa 63 55 96 80 70
*ISO 14511.
Maximum length of brine circuit loop, VSi 6–14
Heat pump VSi 6 VSi 8 VSi 10 VSi 12 VSi 14
Borehole, PEH, PN6 m 900 500 550 450 –
1 brine circuit*
Horizontal loop,
PEM, PN10
m 800 350 450 350 –
Borehole, PEH, PN6 m – 1350 950 1400 750
2 brine circuits*
Horizontal loop,
PEM, PN10
m – 1200 800 1200 650
*Theoretical length with nominal flow, ΔT=4K. The actual pressure loss must be determined based on
local conditions.
Maximum length of brine circuit loop, VMi 6–17
Heat pump VMi 6 VMi 9 VMi 11 VMi 14 VMi 17
Borehole, PEH, PN6 m 500 350 450 – –
1 brine circuit*
Horizontal loop,
PEM, PN10
m 400 – – – –
Borehole, PEH, PN6 m – 900 1200 900 600
2 brine circuits*
Horizontal loop,
PEM, PN10
m – 750 1050 650 500
*Theoretical length with nominal flow, ΔT=4K. The actual pressure loss must be determined based on
local conditions.
M8011 2204EN 63 (70)