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Keston Heat2 45, User Manual

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Keston Heat2 45 User Manual Download Page 10

10

Preheat switch

On/Off

 

      

 

Preheat switch

On/Off

 

      

Preheat

Preheat switch
Maximum preheat time

Maximum preheat time

120 minutes

HC1 Boiler 1.1

Preheat
Heating limit
Room temp. switch diff.
Pump

Heating limit switch

On/Off

 

      

 

Heating limit

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 circuit with a 

limit temperature set.

HC1 Boiler 1.1

Preheat
Heating limit
Room temp. switch diff.

Preheat

Preheat switch
Maximum preheat time

 

i.  Preheat - Preheat can be enabled 

for a heating circuit and a 

maximum time can be set.

Summary of Contents for Heat2 45

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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