APPENDIX: 11.4 WIRING DIAGRAMS
11.4.4 Legend
E1 | Crankcase heater, compressor |
E2 | Fan for nozzle ring heater |
E3 | Defrost end pressostat |
E4 | Condensing pressure pressostat |
F2 | |
F3 | |
F5 | Thermostat HG |
F23 | Winding shield, fan |
K1 | Compressor contactor |
K2 | Fan contactor |
M1 | Compressor |
M2 | Fan |
N1 | Heat pump controller |
N3 | Soft start control |
R9 | Frost protection sensor for heating water |
R10 | Heating water return flow sensor |
R11 | Coding resistor (5k6) |
X1 | Terminal strip: load terminal |
X2 | Terminal strip: internal wiring |
X3 | Terminal strip: heaters |
X4 | Plug connector, heat pump controller |
X5 | Plug connector, control lead |
X6 | Plug connector, control lead |
X7 | Plug connector, heat pump |
Y1 |
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