Vaillant ecoMAX pro SERIES Instructions For Use Installation And Servicing

Also see for ecoMAX pro 18 E: Installation instructions Installation instructions Instructions for use installation and servicing Instructions for use installation and servicing Instructions for use installation and servicing

Vaillant ecoMAX pro SERIES Instructions For Use Installation And Servicing Manual pdf 9 page image

4 General Information Water system 5Instructions for Use, Installation and Servicing ecoMAX pro 94.5 Electrical SupplyThe boiler must be earthed.All system components shall be of an approved type andall wiring to current I.E.E. wiring regulations. In IE refe-rence should be made to the current edition of the ETCIrules.The boiler must be connected to a permanent 230 V ac,50 Hz supply.Connection of the whole electrical system of the boiler,including any heating controls, to the electrical supplymust be through one common isolator and must befused 3 Amp maximum. Isolation should be by a doublepole switched fused spur box, with a minimum gap of3mm for both poles. The fused spur boxshould be readily accessible and preferably adjacent tothe appliance. It should be identified as to its use.Alternatively connection can be made through an uns-witched shuttered socket and 3A fused 3-pin plug bothto the current issue of BS 1363 may be used, providedthey are not used in a room containing a bath or shower.The colours of three core flexible cable are,blue - neutral, brown - live, green and yellow - earth.4.6 Condensate DrainA plastic drain pipe must be fitted to allow discharge ofcondensate to a drain.Condensate should, if possible, be discharged into theinternal household draining system. If this is notpractical, discharge can be made externally into the hou-sehold drainage system or a purpose designed soakaway, see Section 10.3 for more details.4.7 Heating System ControlsIt is recommended that a programmer and room ther-mostat control the boiler.Thermostatic radiator valves may be installed, howeverthey must not be fitted in a room where the room ther-mostat is located.Note!All systems must have at least one radiator notfitted with a thermostatic valve.Note!For further information, see the current issue ofthe Building Regulations, approved document L1,and the references:1) GIL 59, 2002: Central heating system specification(CheSS)and2) GPG 302, 2001: Controls for domestic central heatingsystem and hot water. BRECSU.5 Water system5.1 Draining TapA draining tap must be provided at the lowest point ofthe system, which will allow the entire system and hotwater system to be drained.Draining taps shall be to the current issue of BS 2879.5.2 Safety ValveA safety valve need not be fitted to an open-ventedsystem. See also section 5.9.1.Fig. 5.1Fig. 5.228 E Pressure Loss GraphFlow Rate (litres/hour)1289 l/hr = 20 diff @ 28kWWater Pressure Loss (metres head of water)0.000.501.001.502.002.503.00200 400 600 800 1000 1200 14002.55 m00.511.522.50 100 200 300 400 500 600 700 800 900 100018 E Pressure Loss GraphFlow Rate (litres/hour)773.86 l/hr = 20 diff @ 18 kWWater Pressure Loss (metres head of water)1.38m