Supplied by www.Heating spares.Co tel. 0161 620 6677 domina plus f 24-30 e ferella extra f 24-30 mel wall-mounting gas boiler with antifreeze for tap water airtight chamber, for hot water and heating technical manual edition 092002.
Supplied by www.Heating spares.Co tel. 0161 620 6677 2 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 1. Technical characteristics and data ........................................................ 3 1.1 introduction ................................................................
Supplied by www.Heating spares.Co tel. 0161 620 6677 3 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 1. Technical characteristics and data 1.1 introduction our unit is a high-efficiency heat generator for heating and hot water production running on natural or liquefied petrol...
Supplied by www.Heating spares.Co tel. 0161 620 6677 4 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 1.2 dimensions and connections domina plus f 24 e version 114 95 60 60 95 36 100 connections axis 720 725 connections axis 100 270 460 160 25 10 175 100 150 120 120 70 110 80 ...
Supplied by www.Heating spares.Co tel. 0161 620 6677 5 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 ferella extra f 24 mel version key 1 system delivery 2 tap water outlet 3 gas inlet 4 tap water inlet 5 system return top view bottom view 114 95 60 60 95 36 100 connections a...
Supplied by www.Heating spares.Co tel. 0161 620 6677 6 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 key 1 system delivery 2 tap water outlet 3 gas inlet 4 tap water inlet 5 system return top view bottom view 733 460 430 362 189 connections axis 460 120 120 110 80 110 80 80 3...
Supplied by www.Heating spares.Co tel. 0161 620 6677 7 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 ferella extra f 30 mel version key 1 system delivery 2 tap water outlet 3 gas inlet 4 tap water inlet 5 system return top view bottom view 460 430 362 189 460 120 120 110 80 1...
Supplied by www.Heating spares.Co tel. 0161 620 6677 8 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 key 5 airtight chamber 7 gas inlet 8 tap water outlet 9 tap water inlet 10 system delivery 11 system return 14 safety valve 16 fan 19 combustion chamber 20 burner assembly 21 ...
Supplied by www.Heating spares.Co tel. 0161 620 6677 9 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 f 30 e/mel version r1 r4 r2 81 82 22 29 43 187 0 5 1 2 3 4 6 145 20 21 90 16 28 26 19 49 132 5 56 27 91 in out min grundfos 74 73 r3 34 10 8 7 84 85 44 136 14 42 9 11 36 114 3...
Supplied by www.Heating spares.Co tel. 0161 620 6677 10 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 1.4 technical data table gas supply pmax pmin heating power (net heat value - hi) useful heating power 80°c - 60°c tap water heating power powers pmax pmin kcal/h 20,400 8,30...
Supplied by www.Heating spares.Co tel. 0161 620 6677 11 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 2. Product framework and internal components 2.1 hydraulic circuit - heating hydraulic diagram for heating when there is a call for heat, the room thermostat or control syste...
Supplied by www.Heating spares.Co tel. 0161 620 6677 12 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 circulator (230v/50hz) located on the heating circuit return, it is connected directly to the exchanger via special forks and connected to the system via a threaded brass sec...
Supplied by www.Heating spares.Co tel. 0161 620 6677 13 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 expansion tank it is connected to the pump casing via a pipe with a fork connection. On the 24kw version, it is located above the pump, while on the 30kw version it is locate...
Supplied by www.Heating spares.Co tel. 0161 620 6677 14 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 hydraulic unit this is a single piece of brass to which the exchanger delivery is connected for ease of access. It accommodates a number of safety and adjustment components. ...
Supplied by www.Heating spares.Co tel. 0161 620 6677 15 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 2.2 hydraulic circuit - tap water hydraulic diagram for tap water 11 10 - + 7 8 9 43 56 81 44 32 20 82 27 29-187 16 74 14 114 34 136 42 r1 r2 r3 r4 49 5 34 73 when the card r...
Supplied by www.Heating spares.Co tel. 0161 620 6677 16 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 flow-rate restrictor this is a diaphragm downstream from the flow meter. Its task is to limit the tap- water flow rate; the boiler modulates its capacity to keep the tap-wate...
Supplied by www.Heating spares.Co tel. 0161 620 6677 17 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 key 5 airtight chamber 7 gas inlet 8 tap water outlet 9 tap water inlet 10 system delivery 11 system return 14 safety valve 16 fan 20 burner assembly 27 heat exchanger 29 fum...
Supplied by www.Heating spares.Co tel. 0161 620 6677 18 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 in out common 25±50v dc 80±110v dc b gas valve it supplies gas to the nozzles between a minimum and maximum pressure. For the valve to work correctly, it is necessary for the...
Supplied by www.Heating spares.Co tel. 0161 620 6677 19 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 adjusting burner pressure since this unit has flame modulation, there are two fixed pressure settings: the minimum and maximum, which must be as stated in the technical data ...
Supplied by www.Heating spares.Co tel. 0161 620 6677 20 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 gas supply conversion the unit can function with either natural gas or lpg and is factory-set for use with one of the two gases, as clearly shown on the packing and on the un...
Supplied by www.Heating spares.Co tel. 0161 620 6677 21 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 2.4 burner unit operation the burner unit comprises a manifold and 12/16 nozzles (depending on the capacity), the burner mount, electrodes and the burner assembly. Manifold -...
Supplied by www.Heating spares.Co tel. 0161 620 6677 22 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 burner assembly the burner assembly is composed of 12 or 16 burner stages. Each stage is composed of two pressed steel half bearings, with a suitably cut stainless steel head...
Supplied by www.Heating spares.Co tel. 0161 620 6677 23 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 2.5 fume circuit fume deflector and manifold all forced-flow boilers have a fume deflector above the exchanger whose main task is to make the secondary air crossing the burne...
Supplied by www.Heating spares.Co tel. 0161 620 6677 24 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 air pressure switch this is used to check whether the fumes are adequately evacuated. The pressure switch compares the static and dynamic signals coming from the pressure tes...
Supplied by www.Heating spares.Co tel. 0161 620 6677 25 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 fume ducts the unit is "type c" with an airtight chamber and forced draught, the air inlet and fume outlet must be connected to one of the following extraction/suction system...
Supplied by www.Heating spares.Co tel. 0161 620 6677 26 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 calculation example here we give an example of the calculation for a separate fume outlet. We recommend inserting a condensate trap on long vertical sections to prevent conde...
Supplied by www.Heating spares.Co tel. 0161 620 6677 27 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 2.6 electrical circuit electrical terminal board follow the instructions given in the figure to access the electrical connection terminal board. The layout of the terminals f...
Supplied by www.Heating spares.Co tel. 0161 620 6677 28 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 main electronic card the electronic card is a honeywell dmf05fd: part of the card works on low voltage (24v) and the remainder on 230v (see diagram). It is fitted with a fuse...
Supplied by www.Heating spares.Co tel. 0161 620 6677 29 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 safety thermostat x5 - 1/2 has a thermostat with gold contacts that opens if the temperature exceeds 100°c. Connected directly to the main card, when it opens it cuts off the...
Supplied by www.Heating spares.Co tel. 0161 620 6677 30 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 3. Operation 3.1 operating principle. The boiler is designed to function with two types of gas: natural gas or lpg. It works with systems on the cutting edge of technology as...
Supplied by www.Heating spares.Co tel. 0161 620 6677 31 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 test operation "test" operation makes it possible to turn on the boiler in heating mode, but with idle time, flame modulation and tap water operation turned off. It is possib...
Supplied by www.Heating spares.Co tel. 0161 620 6677 32 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 3.2 operating diagram hot water taps closed flow meter off heating delay of 2 min. Performed system pressure > 0.8 bar boiler on stand-by "led 5 on" room thermost...
Supplied by www.Heating spares.Co tel. 0161 620 6677 33 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 3.3 control panel description of controls the control panel is composed of 1 key, two knobs and 2 displays. When the key is pressed, there is a beep in confirmation. Key 1 on...
Supplied by www.Heating spares.Co tel. 0161 620 6677 34 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 information on the display during normal operation, the boiler diagnostics control sends information on the state of the boiler and measures the temperature of the water. Thi...
Supplied by www.Heating spares.Co tel. 0161 620 6677 35 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 3.4 adjustments room temperature adjustment using the room thermostat, set the temperature desired in the rooms. Controlled by the room thermostat, the boiler lights and heat...
Supplied by www.Heating spares.Co tel. 0161 620 6677 36 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 l5, l3 tap water temperature 40 - 65 °c adjustment led on temperature on the display hot water temperature adjustment to set the system delivery temperature, turn the specifi...
Supplied by www.Heating spares.Co tel. 0161 620 6677 37 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 sliding temperature when the optional outside sensor is installed the boiler adjustment system can work with "sliding temperature." in this mode, the temperature of the heati...
Supplied by www.Heating spares.Co tel. 0161 620 6677 38 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 simultaneously pressing keys 1 and 3 on the "program" keypad for longer than 2 seconds brings up the boiler parameter menu on the remote control screen. On then pressing i yo...
Supplied by www.Heating spares.Co tel. 0161 620 6677 39 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 position post-circulation time adjustment. Setting: 6min. (range 1 to 255 min.) 5 6 this parameter makes it possible to keep the timer-thermostat functions of the remote cont...
Supplied by www.Heating spares.Co tel. 0161 620 6677 40 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 position system delivery temperature increase adjustment. Setting: 10°c/min. (range 1 to 20°c/min.) 6 10 this permits changing the speed of increasing the delivery temperatur...
Supplied by www.Heating spares.Co tel. 0161 620 6677 41 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 position compensation curve selection. Setting: 0 (adjustment turned off) (range 1 to 10) 1 1 0 position compensation curve fixed point adjustment setting: 30 (range 20 to 40...
Supplied by www.Heating spares.Co tel. 0161 620 6677 42 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 checking operating data log with a remote control installed, pressing keys 1 and 2 simultaneously for longer than 2 seconds takes you to the operating data log menu. Storing ...
Supplied by www.Heating spares.Co tel. 0161 620 6677 43 domina plus f 24 - 30 e ferella extra f 24 - 30 mel version - 09.2002 4. Unit self-diagnosis fault diagnosis the boiler is equipped with an advanced self-diagnosis system. In the event of trouble with the boiler, the display will show the fault...
Supplied by www.Heating spares.Co tel. 0161 620 6677 37047 san bonifacio - vr - italy tel. 045/6139411 - tlx 480172 fax 045/6100233-6100933 code 354m011/0