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Electrical cabinets
Electrical components
AA 6
Relay card with power supply unit
AA 10
Soft-starter
AA 21
Control card with display
S 1
Plus button
S 2
Minus button
S 3
Enter button
S 4
Reset button
SF 3
Display contrast
BA 1
Phase sequence monitor (3-phase)
C 2
Operating condenser, fan
F 3
Fuse for external heating cable (250 mA), max
45 W.
FB 1
Automatic protection (10 A/30 mA)
FC 1
Motor fuse
X 1
Terminal block, incoming supply
X 2
Terminal block, external control voltage
X 3
Terminal block, charge pump, external heating
cable
X 5
Terminal block, thermostat, communication,
blocking compressor
X 6
Terminal block, additional heat, downtime, com-
mon alarm
X 7
Terminal block, 4-way valve
NIBE™ F2026
Miscellaneous
UB 2
Cable gland, incoming supply
XJ 5
Connections sensors
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
Chapter 3 |
The heat pump design
11
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