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Worcester ZB 7-28 HE system, Users Instructions And Customer Care Manual

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Worcester ZB 7-28 HE system Users Instructions And Customer Care Manual Download Page 23

11

Operating Instructions Quick Reference

Switching on

Switching the central heating 

on

Controlling the central 

heating

Set room thermostat to desired 

temperature or the outside-tem-

perature control unit to the appro-

priate setting.

Hot water temperature  

“ECO

”-button 

lit

 – 

Economy mode.

“ECO

”-button 

not lit

 – 

Comfort mode

Hot water only

Fault Condition 

If 

the 

 button 

flashes, 

press 

and 

hold-in to reset the appliance. 

Refer to page 16.

Switching off

6 720 610 333-04.1O

6 720 610 333-05.1O

6 720 610 333-07.1O

6 720 610 333-09.1O

6 720 610 333-11.1O

Summary of Contents for ZB 7-28 HE system

Page 1: ...ide Greenstar HE combi Condensing boiler Greenstar HE system Condensing boiler 6 720 610 577 00 10 ZWB 7 25 HE combi GC Number 47 311 73 ZWB 7 30 HE combi GC Number 47 311 74 ZB 7 28 HE system GC Numb...

Page 2: ...ng 13 3 4 Controlling Central Heating 13 3 5 Combination Boilers Setting the Hot Water Temperature 14 3 6 Summer Mode Hot Water Only Combi Appliances 15 3 7 Frost protection Combi Appliances 15 3 8 Fa...

Page 3: ...up by Worcester Care Call a complete mainte nance scheme to keep your boiler operating at peak condition and efficiency No wonder that more and more people are agreeing that when it is gas it has to...

Page 4: ...ors and windows B Do not operate any electrical switches B Do not smoke B Extinguish any naked flames B Call your gas company If you smell fumes from the appliance B Switch off appliance B Open window...

Page 5: ...otes To get the best from your appliance please read these instruc tions carefully Sealed heating systems The appliance is fitted to a sealed heating system which is pre pressurised Your installer wil...

Page 6: ...our This is quite normal The appliance produces quantities of condense which is dis charged regularly through the siphon Clearances Your installer will have provided adequate space around the appli an...

Page 7: ...to an over rim flushing bidet subject to local water company requirements With all mains fed systems the flow of water from individual taps will vary with the number of outlets operated simultaneousl...

Page 8: ...er areas Ventilation This is a room sealed appliance and does not require any air for combustion from inside the house If the appliance is fitted into a cupboard or a compartment is built around the a...

Page 9: ...ow and return 171 Hot water 172 Gas isolation valve open 173 Cold water inlet 295 Identification sticker 310 Hot water temperature control combi 317 Display 363 Indicator lamp for burner on 364 Indica...

Page 10: ...e with direction of flow the cock is open Central heating system valves 170 B Using a spanner turn square nut until groove is in line with direction of flow see detail Groove at right angles to direct...

Page 11: ...nter is below 1 bar when the system is cold top up the system with water until the pointer is 1 bar Your installer will have shown you how to do this B The maximum operating pressure of 2 5 bar at max...

Page 12: ...that the condensation trap is filled after the appliance has been installed or after the appliance has been out of use for a long period For that reason the appli ance remains at minimum heating outp...

Page 13: ...setting E approx 75 C Max setting 88 C When the burner is lit the red indicator lamp is illuminated 3 4 Controlling Central Heating B Set the timer to the correct time B Set room thermostat to the des...

Page 14: ...By pressing and holding the ECO button until the display lights you can switch between Comfort mode and Economy mode Comfort mode button is not lit factory setting The appliance is held constantly at...

Page 15: ...fore hot water is available 3 6 Summer Mode Hot Water Only Combi Appliances With room thermostat B Turn temperature control on the appliance anti clockwise as far as the stop The central heating is no...

Page 16: ...ppliance will then start up again and the display will show the central heating flow temperature If the button does not flash B Switch the appliance off and then on again at the master switch The appl...

Page 17: ...ermo static radiator valves The central heating control on the boiler should be set to the max imum rated temperature of the central heating system or to posi tion E when the maximum central heating w...

Page 18: ...t your installer or write to us 5 General Information Cleaning the Outer Case Wipe down the outer case with a damp cloth Do not use abrasive or caustic cleaning agents Appliance details If you ever ne...

Page 19: ...aller however if you have difficulty making a satisfactory arrangement simply contact Worcester Heat Systems on 08705 256206 for help If you would like to know more about Worcester s extended war rant...

Page 20: ...led for over 24 months OR Our Field Service Engineer finds no fault with the appliance see NOTE OR The cause of breakdown is misuse or with other parts of your plumbing heating system or with equipmen...

Page 21: ...the first 2 year service has been carried out to the satisfaction of Worcester Heat Systems Limited when requested That any product or part thereof returned for servicing under the guarantee any comp...

Page 22: ...will assist us in maintaining an effective and efficient customer service by establishing a reference and permanent record for your boiler This will not affect your statutory rights in any way Import...

Page 23: ...outside tem perature control unit to the appro priate setting Hot water temperature ECO button lit Economy mode ECO button not lit Comfort mode Hot water only Fault Condition If the button flashes pr...

Page 24: ...EXCELLENCE COMES AS STANDARD Worcester Heat Systems Limited Cotswold Way Warndon Worcester WR4 9SW Telephone 01905 754624 Fax 01905 754619...

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