Nibe SPLIT ACVM270 - 3 System Description; General

General
Installation requirements
AMS 10-12AMS 10-8
0.25 MPa (2.5 Bar)Max pressure, climate system
55/45 °CHighest recommended supply/return temperature at dimensioned
outdoor temperature
+65 °CMax temperature in NIBE SPLIT ACVM270
+58 °CMax flow line temperature with compressor
+7 °CMin supply temperature cooling
+25 °CMax supply temp. cooling
12 m30 mMax pipe length, refrigerant pipe
80 l50 lMin volume, climate system during heating, cooling*
100 l80 lMin volume, climate system during under floor cooling*
0.57 l/s0.38 l/sMax flow, climate system
0.29 l/s0.19 l/sMin flow, climate system, 100 % circulation pump speed (defrosting
flow)
0.15 l/s0.12 l/sMin flow, heating system
0.20 l/s0.16 l/sMin flow, cooling system
NIBE SPLIT ACVM270Docking external addition
9–18 kWOutput external addition
0.17–0.22 l/sRecommended docking flow
+65 °CMax temperature from external heat source
* Regards circulating volume
External circulation pump must be used when the pressure drop in the system is greater than the available external
pressure. In such cases, a bypass line with non-return valve must be installed.
Overflow valve must be used if min. system flow cannot be guaranteed.
7Chapter 3 | System descriptionNIBE SPLIT ACVM270
3 System description