8
FOR THE USER
Component parts of the heat pump
Three-way valve
The valve switches between
heating the heating water and hot
water.
Hot water heater
The cylinder is double-shelled
and holds approximately 165 litres
of hot water and 60 litres of the
heating water.
Electric cassette
The electric cassette is used
to provide extra output in cold
weather conditions, with large
water consumption and at hot
water peaks.
Reset button
Press in the button if the overheat
protector on the electric cassette
has tripped. The button is located
on the side.
Heat carrier pump
The pump ensures the heating
water circulates within the heating
system.
Compressor
The compressor increases the
pressure of the refrigerant.
The temperature of the vapour
increases from 0ºC to approxima-
tely +100ºC. The compressor is
insulated to decrease the noise
level.
Socket
Connections for the mains supply
as well as sensors.
Control panel
The control panel has a back-
ground lit menu display with four
rows of text information, three
buttons and a dial.
Distribution box
The distribution box is enclosed.
It houses a reset function for the
motor cut-out as well as miniature
circuit-breakers (MCB) for the
heat pump and electric cassette.
Heat transfer fl uid pump
The pump is insulated and
features an anti-corrosive fi nish.
It ensures the heat transfer fl uid
circulates from, e.g. the rock to
the heat pump.
Control unit Rego 637
The control unit is enclosed. It
controls and monitors all heat
pump functions.
Expansion valve
Lowers the pressure of the
refrigerant that is to enter the
evaporator and collect energy
from, e.g. the rock.
Sight glass
Sight glass to check the level in the
refrigerant circuit. Air bubbles must not
form in the sight glass when the heat
pump is running. However, there might
be bubbles when the heat pump is started
and stopped.
Flexible hoses
The hoses counteract vibrations in
the heat pump.
IVT Greenline HT Plus C
Evaporator
The evaporator evaporates the
refrigerant to gas and transfers
heat from the heat transfer fl uid to
the refrigerant circuit (behind the
heat pump).
Condenser
The condenser condenses the
vapour to fl uid again and transfers
the heat to the heating system.
Component parts of the heat pump
