PIPE CONNECTIONS
Connection, heating medium flowXL1
Connection, heating medium returnXL2
Connection, brine inXL6
Connection, brine outXL7
Connection, hot water heaterXL9
HVAC COMPONENTS
Shut-off valve, heating medium flowQM31
Shut off valve, heating medium returnQM32
Shut off valve, brine outQM33
Shut-off valve, brine inQM34
Shuttle valve, climate system/water heaterQN10
SENSORS ETC.
Flow meterBF1
Temperature sensors, heating medium flowBT2
ELECTRICAL COMPONENTS
Display unitAA4
AA4-XF3 USB port
Immersion heaterEB1
Miniature circuit breaker
1
FC1
Choke
2
RA3
On/off buttonSF1
Network connection for myUplinkXF8
1
S1155-6 3x400 V is not equipped with miniature circuit breakers
(FC1).
2
Only for S1155-12 and -25, 3X400 V.
MISCELLANEOUS
Rating platePZ1
Identification plate, cooling modulePZ2
Cable glandUB1
Cable glandUB2
Cable gland, rear side, sensorUB3
Designations according to standard EN 81346-2.
11Chapter 3 | The heat pump designNIBE S1155