Ariston AQUABRAVO ITSI 255 Інструкція по встановленню, обслуговуванню та використанню - Сторінка 29

Переглянути онлайн або завантажити pdf Інструкція по встановленню, обслуговуванню та використанню для Водонагрівач Ariston AQUABRAVO ITSI 255. Ariston AQUABRAVO ITSI 255 36 сторінок. Unvented hot water storage cylinders

Друкувати сторінку

FAu LT FINd ING

FAult

no Hot wAter

Flow

reDuceD Flow

rAte

wAter FroM

Hot tAps

is colD

DiscHArGe FroM

pressure/

teMperAture

relieF vAlve

DiscHArGe FroM

expAnsion

vAlve

wAter HAMMer

possiBle cAuses

1) Mains cold water

Check and open Isolating

supply shut off

and/or stop valve. Check

2) Line strainer

Turn off mains water supply,

blocked

remove line strainer and

clean

3) Cold Water

Check direction of flow

Combination valve

fitted incorrectly

correct position if necessary

1) Low mains water

Check pressure, consult

pressure

Local Water Authority if

necessary

2) Line strainer

Turn off mains water supply,

partially blocked

remove line strainer and

clean

3) Size of service

Increase to size stated on

pipe too small

page 9

1) Direct immersion

Check immersion heater,

heater is not

switch on if necessary

switched on

2) Direct thermal

Test thermostat operation

cut-out has

and wiring, if faulty,

operated

correct/replace. Reset cut-out

3) Boiler programmer

Check switch on domestic

set to central

hot water if necessary

heating only

(Indirect models)

4) Boiler is not

Check boiler operation, if

functioning

fault suspected consult

(Indirect models)

manufacturer's instructions

5) Indirect thermal

Test thermostat operation

cut-out has

and wiring, if faulty,

operated

correct/replace. Reset

cut-out

6) Motorised valve

Check wiring and operation of

jammed or not

motorised valve correct/

wired correctly

replace as necessary

(Indirect models)

1) Pressure above 7

Shut down boiler or immersion

bar, failure of

heater. Check pressure

pressure reducing

reducing valve and thermal

valve. Temperature

controls. Replace if

above 90ºC failure

necessary

of thermal control

1) Continually.

Check pressure from valve.

Pressure reducing

Replace if over 3.5 bar

valve faulty

2) When heater is heating.

Check charge of vessel. Re-

Faulty expansion

charge vessel to 3.5 bar or match

vessel or lost charge

incoming mains pressure

replace if necessary

3) Back feed of high mains

Service / replace mixer

pressure via mixer.

1) Expansion Vessel fitted

Ensure vessel is fitted horizontally or

vertically.

connection at top.

2) Pipework not secure

Clip pipework

3) Jumpers on taps loose

Replace tap jumpers

4) Flexible hose connecting

Remove flexible hose and hard pipe.

expansion vessel

reMeDy

water, Local Water Authority

arrows on valve, refit in