10 x Technical data
138
FA ROTEX HeatPumpSolarUnit - Part 2 - 05/2009
10.6 Symbols, key names, cable colours and supplementary information on connection and circuit diagrams
Explanation Explanation
Cable colours (Two-coloured cables are given as follows: Colour1/Colour2)
BLU blue ORG orange
BLK black PNK pink
BRN brown RED red
GRN green VIO violet
GRY grey WHT white
YLW yellow
Symbols
Safety earthing
External cabling (number of individual wires and the
mains voltage are also given in some cases.)
Low noise earth Pushbutton
Connecting terminal DIP switch
Plug connection Optional component
Terminal block Plug jack connection
Tab. 10-6 Cable colours and symbol explanations for connection and circuit diagrams
Key names
External units Explanation Internal units Explanation
A1P Conductor board 3UV1
3-way diverter valve heating circuit/storage charging cir-
cuit (E-PAC H/X) (M3S)
A2P Conductor board 3UV2 3-way diverter valve cooling circuit (E-PAC X) (M2S)
A3P Conductor board A1P Main board conductor board
AC1, AC2 Connecting terminal A2P Conductor board PCB
BS1...BS4 Pushbutton A3P Conductor board for room thermostat
C1...C4 Capacitor A4P Conductor board (ROTEX Solaris connection set)
DS1 DIP switch operating mode in manual operation E1H...E3H Backup Heater (BH)
E1H Lower plate heating EHS Booster Heater (EHS)
E1HC Crank housing heating F1B Fuse for Backup Heater (BH)
F1U..FU9 Fuse F1T Thermal protection Backup Heater (BH)
HAP (A1P) Status LED green F2B Fuse for Booster Heater (EHS)
HAP (A2P) Status LED green (only Model W1) FU1 Fuse for A1P (3.15 A 250 V)
H1P...H7P (A1P) Status LED orange (only Model W1) FU2 Fuse heat pump A1P (5 A 250 V)
H1P...H7P (A2P) Status LED orange FUS, FUR Fuse for A4P (5 A 250 V)
HR1...HR2 Connector K1M Contactor for Backup Heater (BH) Level 1
K1M...K2M Magnet contact sensor (only Model W1) K2M Contactor for Backup Heater (BH) Level 1/2
K1R Magnet relay for 4-W-valve (Y1S) K3M Contactor for Booster Heater (EHS)
K4R Magnet relay for crank housing heating (E1HC) K4M Contactor for heat pump
K10R...K11R Magnet relay (only Model V3) K5M Contactor for all-pole deactivation of safety heater
L1R...L4R Inductor K7M Contactor (ROTEX Solaris connection set)
M1C Motor refrigerant compressor M1P Heat pump
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