Dimensions And Pipe Connections - Nibe F470 Installer Manual

SYSTEM DIAGRAM
F470 consists of a heat pump, water heater, immersion
heater, fans, circulation pump and control system.F470
is connected to the ventilation system and heating me-
dium circuit.
When the exhaust air at room temperature passes
through the evaporator, the refrigerant evaporates be-
cause of its low boiling point. In this way the energy in
the room air is transferred to the refrigerant.
The refrigerant is then compressed in a compressor,
causing the temperature to rise considerably.
The warm refrigerant is led to the condenser. Here the
refrigerant gives off its energy to the heating system
water, whereupon the refrigerant changes state from
gas to liquid.
The refrigerant then goes via filters to the expansion
valve, where the pressure and temperature are reduced.
The refrigerant has now completed its circulation and
returns to the evaporator.
XL 2
XL1 Connection, heating medium flow
XL2 Connection, heating medium return
XL3 Cold water connection
XL4 Hot water connection
XL8 Docking connection
Caution
This is a principle of operation. For more de-
tailed information about F470, see section
heat pump design".
NIBE F470
8 4 3 1
"The
Dimensions and pipe
connections
WM1 XL2 XL8
SETTING OUT DIMENSIONS
Connection
XL1 Heating medium supply
XL2 Heating medium return
XL3 Cold water
XL4 Hot water
XL8 Docking
WM1 Overflow cup
PIPE DIMENSIONS
Connection
XL1-XL2 Heating medium ext Ø
XL3 Cold water ext Ø
XL4 Hot water ext Ø
XL8 Docking ext. Ø
XL29 Connection, T&P valve
WM2 Overflow water discharge
Chapter 4 | Pipe and ventilation connections
XL1 XL3 XL4
C
A B C
(mm) 30 465 320
(mm) 45 420 365
(mm) 80 455 210
(mm) 170 400 260
(mm) 175 290 295
(mm) 60 200 420
(mm) 22
(mm) 22
(mm) 22
(mm) 22
(mm) 15
(mm) 32
19