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4

 

IMPORTANT NOTES

• 

This appliance must not be operated 

without the casing correctly fitted and 

forming an adequate seal.

• 

If the boiler is installed in a 

compartment then the compartment 

MUST NOT be used for storage 

purposes.

• 

Do not store objects around or on the 

boiler, and keep access clear at all 

times.

• 

Do not obstruct ventilation ducts, 

condensate pipework, grilles or 

openings in the boiler room, room 

space or compartment that the 

appliance is installed in, or the 

passage of combustion and ventilation 

to the boiler.

• 

Do not turn off the boiler if it is to be 

left unattended in frosty weather.

• 

If it is known or suspected that a fault 

exists on the boiler then it MUST NOT 

BE USED until the fault has been 

corrected by a suitably 

qualified Gas 

Safe registered engineer or in IE a 

competent person.

• 

Flammable materials must not 

be placed in close proximity to 

the appliance. Materials giving off 

flammable vapours must not be stored 

in the same room as the appliance.

• 

T

his appliance can 

be used by children 8 

years and above.

  

A

lso 

persons with reduced 

physical, sensory or 

mental capabilities, or 

lack of experience and 

knowledge, provided 

they have been given 

supervision or instruction 

concerning use of the 

appliance in a safe 

way and understand 

the hazards involved.  

Children shall not play 

with the appliance.

  

C

leaning and user 

maintenance shall not be 

made by children without 

supervision.

• 

Children should be supervised to 

ensure that they do not play with the 

appliance.

In cases of repeated or continuous shutdown 

a suitably qualified Gas Safe  registered 

engineer or in IE a competent person 

should be called to investigate and rectify 

the condition causing this and carry out an 

operational test after each intervention on the 

device. Only the manufacturers original parts 

should be used for replacement.

MINIMUM CLEARANCES

Clearances of 

450mm

 above, 

300mm 

below, 

25mm

 at the sides and 

450mm 

at the front 

of the boiler casing must be allowed for 

servicing.

Содержание Heat2 45

Страница 1: ...conform to the safety and performance specification that we require Do not use reconditioned or copy parts that have not been clearly authorised by Keston For the very latest copy of literature for sp...

Страница 2: ...3 Installer Connections 20 4 Faults 21 Faults Hardware Thermistors Actuators 22 Faults Temperature Supervisions 23 Faults System Flame Fan Hydraulic etc 24 Faults Internal System 25 5 General Informat...

Страница 3: ...s or rules in force In your own interest and that of safety it is the law that this boiler must be installed and maintained by a suitably qualified Gas Safe registered engineer or in IE a competent pe...

Страница 4: ...rials giving off flammable vapours must not be stored in the same room as the appliance This appliance can be used by children 8 years and above Also persons with reduced physical sensory or mental ca...

Страница 5: ...normal operation screen and highlight the first menu item Enter the highlighted menu sub menu or parameter if in a menu or sub menu If in a parameter setting select a parameter which will then flash f...

Страница 6: ...o Day If there is a local DHW circuit set the DHW Operating mode DHW1 Boiler 1 to Day If there is an extension module configured with Heating circuits or DHW circuits set the Operating mode to Day e g...

Страница 7: ...acity Set point 40 Capacity 0 KESTON HEAT 2 55kW Status OpenTherm Operation Day Room set point 20 0 C Flow set point 60 0 C KESTON HEAT 2 55kW Status Operation Night Tank temperature 45 0 C Flow set p...

Страница 8: ...e holiday HC1 Boiler 1 1 Operating mode Standby Room temperature HC1 Boiler 1 1 HC2 Boiler 1 2 1 Heating Circuits a Operating mode selection Every heating circuit can be individually set to one of the...

Страница 9: ...Day Night Holiday e g Flow temperature day 70 0 Heating circuits Flow temperature Settings Time clock Holiday program Settings HC1 Boiler 1 1 d Settings Each heating circuit has a number of settings t...

Страница 10: ...imit Heating limit switch Heating limit temperature Heating limit Heating limit switch Heating limit temperature Heating limit switch On Off ii Heating Limit Heating limit can be enabled for a heating...

Страница 11: ...onfigured for a heating circuit the switching differential may be set HC1 Boiler 1 1 Room temp switch diff Pump Frost protection Pump Overrun time Overrun speed Maximum speed iv Pump The heating circu...

Страница 12: ...ction Flow temperature Outside temperature Room temperature v Frost Protection The heating circuit frost protection can be set to be triggered on a number of temperature sources if configured Frost Pr...

Страница 13: ...ysteresis Temperature 0 C Hysteresis 5 C Frost protection Flow temperature Outside temperature Room temperature Room temperature Temperature Hysteresis Temperature 6 C Hysteresis 2 C Frost protection...

Страница 14: ...grammed to a specific time clock with three periods per day single days individually Monday through to Sunday or multiple days Monday to Friday or Saturday and Sunday Single Multiple e g Heating circu...

Страница 15: ...any of the following The DHW circuit when configured has the following settings DHW1 Boiler 1 Standby DHW Operating mode Tank temperature Flow temperature DHW1 Boiler 1 Tank temp day Tank temp night...

Страница 16: ...are only accessible at Installer access levels Day Night Holiday e g DHW1 Boiler 1 One time boost Primar pump Legionalla On Off One time boost One time boost On Off Temperature On Off One time boost O...

Страница 17: ...mp Overrun time Overrun speed Minimum speed Maximum speed ii Primary pump This is where the pump control parameters for the Hot Water Tank primary charge pump may be set Overrun time 10secs Overrun sp...

Страница 18: ...peration mode Temperture Interval Legionella Temperture Interval iii Legionella The legionella functionality can be set to either a fixed weekday or a time interval The temperature can also be set iv...

Страница 19: ...grammed to a specific time clock with three periods per day single days individually Monday through to Sunday or multiple days Monday to Friday or Saturday and Sunday Single Multiple e g DHW circuits...

Страница 20: ...Multifunctional 230V 50Hz Typical setting SL1 Heating Circuit 1 SL2 Heating Circuit 2 DHW l3 Optional Interlock input 230V 50Hz l4 Auxiliary Mains Supply Output 230V 50Hz Live Neutral Internal Pump Po...

Страница 21: ...button whilst in this display If there are multiple faults then a list of faults will be shown e g Each fault may be highlighted and selected to show the detail as above KESTON HEAT 2 55kW Operation H...

Страница 22: ...cking 6 W DHW thermistor open circuit 7 W DHW thermistor short circuit 8 W Outside thermistor defect open short 9 B Water pressure sensor defect 10 L Flow thermistor open circuit lockout after 24h 11...

Страница 23: ...to flue overheat 32 B Flow return reversed 33 B Thermistor pipe fit supervision active blocking 34 L Thermistor pipe fit supervision lockout 35 B Flow gradient supervision 36 B Flue gradient supervisi...

Страница 24: ...e used 56 L False flame with heat demand 57 L No flame after restarts 58 B L Fan speed stand still check 59 L Fan speed not achieved e g Pre purge test post purge test etc 60 B L Error fan speed durin...

Страница 25: ...RIPTION ERROR CODE OpenTherm INTERNAL SYSTEM L Request for re update 94 B Blocking due to programming mode 95 L Lockout parameter mismatch 96 L Lockout parameter set 97 B L Internal blocking error 98...

Страница 26: ...uld the condensate pipe to this appliance freeze please follow these instructions a If you do not feel competent to carry out the defrosting instructions below please call your local Gas Safe Register...

Страница 27: ...ginal setting once cold spell is over Place the heating on continuous and turn the room stat down to 15 C overnight or when unoccupied Return to normal after cold spell ESCAPE OF GAS Should a gas leak...

Страница 28: ...policy of continuing improvement in the design and performance of its products The right is therefore reserved to vary specification without notice E V E R Y T H I N G I S P O S S I B L E SYSTEM SET...

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