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16


 

Circulation pump does 
not activate or it trips  
the switch 

No power at electrical 
connection. 
Connectors are loose. 

 
Check and tighten all screws at connection points. 
Check and, if necessary, replace the switches, fix 
motor connection or installation connection problems. 
 

Faulty capacitor. 

 
Replace capacitor. 
 

Blocked rotor. 

 
Each time you start heating, check whether the rotor 
turns easily. Hot water deposits can cause the rotor to 
block. Turn the motor axis left and right using a screw 
gun until the rotor can move freely. 
 

 
The pump is blocked 
due to deposits. 
 

Dismantle and clean the pump. 

 
 
 

 
Thermometer or 
pressure gauge does not 
display system 
temperature or pressure. 
 

Faulty thermometer or 
pressure gauge. 

Replace thermometer or pressure gauge. 

 
 

 
 

 
Faulty pump. Large 
clearance between the 
rotor axis and nut. 

 
Reduce pump speed. Replace pump nuts or the entire 
pump. 
 

 
10 

 
Noise (murmur) coming 
from the heating system. 

 
Pump speed is too high. 
 

Lower the speed. 

 

 

Air in the system. 

 
Bleed the air from the heating system. 
 

 

 

 
Loose knobs or screws 
on the stove. 
 

Tighten the knobs and screws. 

 
11 

 
Noise inside the pump. 

 
Too low pressure at 
suction part of the 
pump. 

 
Increase system pressure or check expansion vessel. 
 

 
 

 
 

Power outage.  

 
Do not touch anything. When the system has cooled 
down, the thermo valve will close itself. 

12 

Cooling thermo fuse 
(thermo valve) is 
activated due to water 
temperature rise over 
95

°

C caused by: 

 

open ash pan door and 
no controlled 
combustion 

 
Close the ash pan door and reduce system water 
temperature using the knob on the ash pan door and 
thermostat. 

 

 
 

grate in down position 
and not many radiators 
are open 

Switch the grate to up position or open more radiators. 
Keep ash pan door closed. 

 
 
 
13 

 
 
Water condensation in 
the boiler. 

 
Fuel is wet.  
 

Replace fuel. 

 

 

Return water 
temperature is too low. 

Install mixer valve or turn a radiator off. 

Summary of Contents for ALFA TERM-27

Page 1: ...STOVE USED FOR LOCAL HEATING ALFA TERM 27 INSTALLATION SETUP AND OPERATION INSTRUCTIONS...

Page 2: ...IONS Width 315 mm Height min max 264 460 mm Depth 414 mm FIREBOX DOOR OPENING width height 175 200 mm FLOW AND RETURN PIPE CONNECTIONS R1 RS THERMO VALVE AND SAFETY VALVE CONNECTIONS R1 2 RU COOLING P...

Page 3: ...pipe connection 21 Cleaning access plate 22 Handle 23 Grate support 24 Additional lid 25 Lever support 26 Tertiary air regulator knob 27 Tertiary air regulator cover 28 Cleaning access plate smaller...

Page 4: ...4 Figure 1...

Page 5: ...t and not on the side outlet The stove will reach its nominal heating capacity if the draft in the chimney is 20 Pa A chimney ensuring good draft is the basis of proper functioning of the stove The ch...

Page 6: ...walls it must be well insulated If the chimney connection is tightly connected to the chimney if the connection is extended If it is properly cleaned and free of birds nests dirt and soot If the flue...

Page 7: ...ation of the thermo valve safety pipe Item 6 is an R1 2 connection with an inner thread for safety valve installation 6 1 FLOW PIPE AND RETURN PIPE Fig 4 Items 1 and 2 and Fig 7 and 8 Items 3 and 10 T...

Page 8: ...R1 2 connection Fig 4 Item 6 is welded at the back of the boiler under the cooktop frame on which a safety valve MUST be fitted The safety valve should be 2 5 to 3 bars You can fit it directly on the...

Page 9: ...expansion vessel of 25 l and not more than 18 l which should be fitted on the return pipe as close to the boiler as possible and no block valves can be fitted between the boiler and expansion vessel...

Page 10: ...pe connection 3 Distribution pipe 4 Open expansion vessel 5 Safety valve 6 Radiator valve 7 Radiator 8 Air release valve 09 Circulation pump 10 Return pipe 11 Spigot for filling and discharge 12 Safet...

Page 11: ...em should be filled with water and well bled and the stove should be properly connected to the chimney as described in the foregoing items NOTE The stove may not be used without water It must be conne...

Page 12: ...of the grate and pull it out of its holder Place the grate on the supports 4 pcs welded inside the boiler firebox at the front and in the back 2 2 pcs Fig 1 Item 23 Place the grate at an angle slante...

Page 13: ...e damper used for starting the fire must be closed and power regulator must be open After you finish baking cooking or frying place the power regulator in desired position While baking increase the te...

Page 14: ...cloth cleaning agents and mild detergent instead Clean the oven after each use while still hot After cleaning leave the oven door open for a few minutes to prevent bad odors the next time you heat the...

Page 15: ...n all valves in the heating system and enable normal water circulation in the system Circulation pump failure Repair or replace the circulation pump to enable heating system operation Power outage Ope...

Page 16: ...mp speed Replace pump nuts or the entire pump 10 Noise murmur coming from the heating system Pump speed is too high Lower the speed Air in the system Bleed the air from the heating system Loose knobs...

Page 17: ...oor 17 Excessive heat for baking or cooking Thermostat set to a high temperature Reduce water temperature using the thermostat or burn a smaller fire 18 Boiler stove is smoking when used for the first...

Page 18: ...ses if the damage has occurred during transportation after the device was sold if the defects occurred due to improper mounting improper maintenance or mechanical damaging by the buyer if the defect o...

Page 19: ...19 Outline dimensions of ALFA TERM 27 stove Figure 16...

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