Nibe S1256 - The Heat Pump Design; General

General
UN
BT7
QN10
BT2
EB1
PZ1
EP14-QM34
EP14-QM31
BT6
EP14-QM32
EP14-QM33
PZ2
QM22
UB1
AA4
SF1
XL1
XL6
XL4 XL3
XL7
XL2
BF1
UB2
FC1
XL5
XF8
FR1
XF3
EP14
RA3
BT5
PIPE CONNECTIONS
Connection, heating medium flowXL1
Connection, heating medium returnXL2
Connection, cold waterXL3
Connection, hot waterXL4
Connection, HWC
1
XL5
Connection, brine inXL6
Connection, brine outXL7
1
Only heat pumps with enamelled or stainless steel vessel.
HVAC COMPONENTS
Cooling moduleEP14
EP14-QM31 Shut-off valve, heating medium supply
EP14-QM32 Shut off valve, heating medium return
EP14-QM33 Shut-off valve, brine in
EP14-QM34 Shut off valve, brine out
Venting, coilQM22
Shuttle valve, climate system/water heaterQN10
SENSORS ETC.
Flow meterBF1
Temperature sensors, heating medium flowBT2
Temperature sensor, hot water charging startBT5
Temperature sensor, hot water chargingBT6
Temperature sensor, hot water topBT7
ELECTRICAL COMPONENTS
Display unitAA4
Immersion heaterEB1
Miniature circuit breaker
1
FC1
Electrical anode
2
FR1
Choke
3
RA3
On/off buttonSF1
USB socketXF3
Network connection for myUplinkXF8
1
S1256-8 3x400 V is not equipped with miniature circuit breakers (FC1).
2
Only heat pump with enamelled vessel.
3
Only for S1256-13 3x400 V
MISCELLANEOUS
Rating platePZ1
Identification plate, cooling modulePZ2
Cable glandUB1
Cable glandUB2
Designations according to standard EN 81346-2.
NIBE S1256Chapter 3 | The heat pump design10
The heat pump design