Alpha-InnoTec HT 6Split Installation And Operating Manual page 10

Installation diagram
The HT 6Split / HT 12Split indoor unit is equipped
with a coil water heater, diaphragm expansion vessel,
safety group, electric heating module (heater), isola-
tion valves, plate heat exchanger, metering instru-
ments, and an electronic circulation pump. Together
with the outdoor unit of air heat pump LSplit, forms a
complete heating system.
The LSplit outdoor unit provides heat for heating the
domestic hot water and supplying the heating system
while using free energy in the outdoor air, efficiently
operating within the range of low temperatures up to
-20°C.
Basic connection diagram
-EB101
Chapter 4 |
10 Pipe connections
-BT1
Symbol Description
Cut-off valve
Non-return valve
Three-way valve
Safety valve
Temperature sensor
Diaphragm expansion
vessel
Manometer
Vent
Circulation pump
Electric module
The connection of the outdoor unit and indoor unit HT
6Split / HT 12Split, with a system of pipes filled with
a cooling medium secures the connection against
freezing in the event of any power outages. The con-
trol of system operation is the function of controller
module.
The control mechanism of HT 6Split / HT 12Split al-
lows for two cooling operation systems to be used:
• 2-pipe cooling system,
• 4-pipe cooling system.
P
XL19 XL18
EQ-BT25/BT64
-BT12
-GP12 -QN12
-BT63
-BT15
-BT3
HS1 -BP4
P
-BT7
-BT6
Symbol
XL10
-BT25
XL1
-QN10
-BT71
XL2
-GP11
BA-SVM 10-200
HT 6Split
HT 12Split
Description
Particulate filter
Compressor
Heat exchanger
Cooling
Central heating
systems
Domestic hot water
Relief valve
Additional heat source
HT 6Split
HT 12Split