Pipe Connections - Alpha-InnoTec HT 6Split Installation And Operating Manual

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Pipe connections

XL1 Connection, heating medium, supply
XL2 Connection, heating medium, return
XL3 Connection, cold water
XL4 Connection, hot water
XL5 Connection, hot water circulation
XL10 Connection, cooling
XL11 Connection, safety group,manometer
XL13 Connection, liquid cooling medium
XL14 Connection, gas cooling medium
CM1 Diaphragm expansion vessel, closed
QN10 Isolation valve, domestic hot water / cen-
tral heating
QN12 Isolation valve, cooling/heating
GP12 Circulation pump
EP2 Heat exchanger
Sensors
BP4 Pressure sensor, high pressure
BT3 Temperature sensor, heating medium re-
turn
BT6 Temperature sensor, hot water loading
BT7 Temperature sensor, top of the hot water
heater
BT12 Temperature sensor, condenser outlet
BT15 Temperature sensor, liquid
BT25 Temperature sensor, heating medium
supply
BT63 Temperature sensor, heating medium sup-
ply downstream the submersible heater
BT64 Temperature sensor, cooling medium
supply
BT71 Temperature sensor, heating medium re-
turn
8 Chapter 3 | Indoor module structure
Electrical elements
X0 High voltage terminal block 400V~
X1 Low voltage terminal block 230V~
X2 Low voltage terminal block 230V~
Low voltage terminal block
Low voltage terminal block
Submersible heater switch
K2
BT30 Thermostat - emergency mode
Main card
Sensor card
Communication card
Relay card
Titanium anode card
Relay card
FD1 Temperature limiter
Circuit breaker (to internal module)
Circuit breaker (L Split)
EB1 Submersible heater
Other
EB15 HT 6Split / HT 12Split
SF1 Controller switch
PF3 Serial number
EB2 Domestic hot water tank
HT 6Split
HT 12Split