Pipe Connections; Temperature Sensor - Nibe ECS 40 Installateurhandbuch

GB

Pipe connections

Circulation pump and mixing valve
The extra circulation pump (GP20) is positioned in the
extra climate system according to the outline diagram.
The mixing valve (QN25) is located on the flow line
after the heat pump, before the first radiator in the
climate system 1. The return line from the extra cli-
mate system is connected to the mixing valve and to
the return line from the heating system 1, see image
and outline diagram.
F1145/F1245
14
By-pass valve, (QN25)
Connections, Ø 22 mm
Return
Flow pipe
LEK

Temperature sensor

The flow temperature sensor (BT2) is installed on the
pipe between the circulation pump (GP20) and mixing
valve (QN11).
The return line sensor (BT3) is installed on the pipe
from the extra climate system.
Install the temperature sensors with cable ties with the
heat conducting paste and aluminium tape. Then insulate
with supplied insulation tape.
NOTE
Sensor and communication cables must not be
placed near power cables.
Pump and pressure drop diagrams
Available pressure
kPa
70
60
50
40
30
20
10
0
0 200 400 600 800
0 0,1 0,2
Max flow: 1700 l/h
Max flöde: 1700 l/h
1000 1200 1400 1600 1800 2000
0,3 0,4 0,5
Flow
Flöde
l/h
l/s