Vaillant geoTHERM VWS Installation Instructions Manual

Also see for geoTHERM VWS: Installation instructions Operating manual Operating manual

Contents

Vaillant geoTHERM VWS Installation Instructions Manual Manual pdf 25 page image

25Installation instructions geoTHERM VWS 0020046310_016.3 Electronic boxL LT1 T2 T3A2A1L1 L2 L3S S B B A Z NLN L L LLN N N N1L L L L L 1 LN N N N N 2 N 2 1 2 1L N2 3 4 5 SCH 6 7 8 ASBN NAufZuL N 1 2 1 2 1 2 1 2 1 2 1 2DCF OT AF -+AufZuZHNLZPNLSK2-PNLHK2-P HK2-M VF2 RF1 VF1 SP BUS DCF/AF EVU 1xZPLP/UV 11235 47 689 1110 12Fig. 6.1 Electronic boxKey to Fig. 6.1Control box upper level:1 Cable clamps2 Terminal strip for sensors and external components3 Controller PCB4 Contactor for electric auxiliary heating5 Reset button for the auxiliary heating safety thermostat (seeItem 11)6 In conjunction with a multi-cylinder: Connections for a 3-wayvalve, to be fitted on the customer side7 Power supply for additional electric heating and control (dual-circuit supply)8 Power supply for heat pump (unblocked mains supply)Control box lower level:9 Operating capacitor for the compressor10 Safety thermostat (STL) for the auxiliary heating11 Starting capacitor (compressor)12 Starting current limiter PCBAdditionally, there are two coiled cables hanging insidethe control box (not shown here):– small two-way plug:connecting cable for the operating console– large three-way plug:power supply for vrnetDIALOGA control cable for the vrnetDIALOG is also supplied(accessories).6.4 Connecting the power supplyDifferent types of power supply are provided for heatpumps by the power companies. The heat pump can beoperated with various types of mains feed. Three typesof connection are described on the following pages.• Pass the power supply cable(s) through the elongatedhole in the rear of the unit.• Pass the cables through the unit, through the approp-riate strain relief clamps and on to the connection ter-minals on the connector strip.• Carry out the wiring of the connection as illustrated inthe following wiring diagrams.h Note!The appliance covers are fitted aftercompletion of the installation work.Electrical installation 6