System Description; General - Nibe SPLIT ACVM270 Service Manual

3 System description

General

Installation requirements
Max pressure, climate system
Highest recommended supply/return temperature at dimensioned
outdoor temperature
Max temperature in NIBE SPLIT ACVM270
Max flow line temperature with compressor
Min supply temperature cooling
Max supply temp. cooling
Max pipe length, refrigerant pipe
Min volume, climate system during heating, cooling*
Min volume, climate system during under floor cooling*
Max flow, climate system
Min flow, climate system, 100 % circulation pump speed (defrosting
flow)
Min flow, heating system
Min flow, cooling system
Docking external addition
Output external addition
Recommended docking flow
Max 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.
NIBE SPLIT ACVM270
AMS 10-8 AMS 10-12
0.25 MPa (2.5 Bar)
55/45 °C
+65 °C
+58 °C
+7 °C
+25 °C
30 m
50 l
80 l
0.38 l/s
0.19 l/s
0.12 l/s
0.16 l/s
NIBE SPLIT ACVM270
9–18 kW
0.17–0.22 l/s
+65 °C
Chapter 3 | System description
12 m
80 l
100 l
0.57 l/s
0.29 l/s
0.15 l/s
0.20 l/s
7