Wiring Diagrams ESIE09-08A
248 Appendix
Legend
Part number Description
B1PH High pressure sensor
B1PL Low pressure sensor
BS1 - BS4 (A4P) Push button
C1 - C2 Filter capacitor
C1 - C2 (A5P) PCB capacitor
DS1 (A*P) Dipswitch
E7H * Bottom plate heater (only in combination with ERRQ* outdoor unit or
ERSQ* outdoor unit with option EKBPHTH16A)
E1HC Crankcase heater
F1 - F2 Inline fuse
F1U (A1P, A3P) Fuse (T, 3.15A, 250V)
F1U - F2U (A4P) Fuse (31.5A, 500V)
F3U - F6U (A4P) Fuse (6.3A, 250V)
F1U - F2U (A7P) * Fuse (5A, 250V)
H1P - H7P (A4P) PCB LED
HAP (A*P) PCB LED
K1A Interface relay
K1E Electronic expansion valve
K2E Electronic expansion valve
K1M - K2M PCB contactor
K*R (A*P) PCB relay
K1S * 3-way valve (optional)
K2S 2-way valve
M1C Compressor
M1F - M2F Switchbox cooling fan
M1P DC inverter pump
PC (A11P) * Power circuit
PHC1 Optocoupler input circuit
PS (A*P) Switching power supply
Q1DI - Q2DI # Earth leakage protector
Q2L Thermal protector water piping
R1 (A5P) Resistance
R1L - R3L Reactor
RC (A*P) Receiver circuit
S1PH High pressure switch
S1S # Benefit kWh rate power supply contact
S3S # Mixing station input 1
S4S # Mixing station input 2
SS1 (A1P) Selector switch (emergency)
SS1 (A2P) Selector switch (master slave)
SS1 (A7P) * Selector switch
TC (A*P) Transmitter circuit
T1R - T2R (A*P) Diode bridge
V1C - V12C Ferrite core noise filter
X1M - X3M Terminal strip
X*M (A*P) * PCB terminal strip
X1Y- X4Y Connector
Y1R 4 way valve
Z1F - Z5F (A*P) Noise filter
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