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11. Connection of the climatic

regulator QAA73

(accessory on demand)

Connection of the climatic regulator QAA73 to the boiler PCB must be

made through an interface card, supplied as accessory. This interface card

must be connected to A7 connector of the boiler PCB. QAA73 has to be

connected to terminals (+) and (-) of the terminal board supplied with the

regulator. It is not necessary to respect the polarity (see ﬁ gure 10)

When you install the QAA73, you must remove the room thermostat

jumper present on the power supply terminal board (terminals 1

and 2).

See the instructions enclosed with the accessories for their correct

installation and use.

Instructions given with the QAA73 also include the following

information:

• Parameters settable by the user;

• Choice of the language;

• Use of Information key.

Figure 10: Connection of the climatic regulator QAA73

REMOVE THE

JUMPER

KEY:

N.C.

Normally closed contact

Common contact

N.A.

Normally open contact

QAA73 positive pole

QAA73 negative pole

S.EXT

External probe

COLOUR OF THE WIRES:

Brown

Black

Light blue

Red

0301_1701

interface card

QAA 73

regulator

External probe

10.2. Range of operating curves

When the external probe is connected, the temperature regulation device

(knob) of the heating circuit regulates the Kt coefﬁ cient.

The pictures here below show the correspondence between the knob

position and the set curves. It is possible to set also curves between the

ones shown in the picture.

0009010500

IMPORTANT: the range of heating ﬂ ow temperature TM depends on

the position of the jumper or switch T.RISC. ( see paragraph 13). The

maximum possible temperature setting is 85 or 45 °C.

Содержание Slim 1.230 Fi

Страница 1: ...unted gas boilers free standing boilers and electric water heaters has obtained CSQ certiﬁcation in accordance with UNI EN ISO 9001 standards This certiﬁcation conﬁrms that the Quality System of BAXI S p A in Bassano del Grappa where this boiler was manufactured satisﬁes the strict UNI EN ISO 9001 standard covering all aspects of company organisation manufacturing and distribution UNI EN ISO 9001 ...

Страница 2: ...useful information which will help you to run your boiler correctly and efﬁciently BAXI boilers bear the CE mark in compliance with the essential requirements as laid down in the following Directives Gas Directive 90 396 CEE Performance Directive 92 42 CEE Electromagnetic Compatibility Directive 89 336 CEE Low voltage Directive 73 23 CEE Do not leave any parts of the packaging plastic bags polysty...

Страница 3: ...ation 9 3 Instructions prior the installation 10 4 Installation 10 5 Electrical connection 16 6 Electrical diagram 17 7 Room thermostat connection 18 8 Connecting a programming timer 19 9 Domestic hot water storage tank connection 20 10 Connection of the external probe 24 11 Connection of the climatic regulator QAA73 25 12 Air vent and release of the pump 27 13 Regulation on the electronic card PC...

Страница 4: ...he power supply and grounding of the appliance Electrical safety of the appliance is only guaranteed by correct groun ding in compliance whit the applicable laws and regulations The boiler must be electrically connected to a 230 V single phase earth mains with the three wire cable supplied observing the polarity LIVE L NEUTRAL N Use a double pole switch with a contact separation of at least 3mm In...

Страница 5: ...cedure until gas is delivered to the burner brieﬂy setting knob 1 to position ref 1 ﬁgure 1 4 1 Operation with Water Storage Tank Unit The boiler water adjustment knob Ref 3 Figure 1 is only active when there is a Tank unit In this case it is possible to adjust the domestic hot water temperature by turning the knob onto the required hot water setting With the summer winter selector set to winter m...

Страница 6: ...er is not blocked When there is a DHW tank the Boiler also has an antifreeze function for the domestic hot water The electronic control will prevent it from falling under 5 C 5 Room temperature adjustment The system must be equipped with a room thermostat see the relevant regulations to control the temperature in the rooms In case of temporary absence of a room thermostat it will be possible durin...

Страница 7: ...uit has reached very high levels of temperature due to an anomaly in the boiler s regulation devices In this condition the boiler blocks and the light 9 continues to blink Once you have solved the problem to re establish the normal working condition rotate the knob of the selector 1 temporarily in position after waiting for a lowering of at least 20 C of the heating ﬂow water temperature When the ...

Страница 8: ...astened appliance the door of the instrument panel may accidentally open and get damaged by knocking against other objects If installation requires special handling of the appliance it is recommended to secure it with adhesive tape The parts of the packing plastic bags polystyrene etc must not be left within reach of children as they are potential sources of danger 1 Overall dimensions 1 230 FiN 1...

Страница 9: ...ions connections water cont models height H width depth L delivery return gas mm mm mm A B C l 1 230 FiN 850 350 542 3 4 m 3 4 m 1 2 m 11 8 1 300 FiN 850 350 622 3 4 m 3 4 m 1 2 m 14 6 TABLE II Fi models with plumbing accessories boiler dimensions connections water cont models height H width depth L delivery return gas DHW tank outlet mm mm mm A B C D l 1 230 Fi 850 350 596 3 4 m 3 4 m 1 2 m 3 4 F...

Страница 10: ...xact location of the boiler installation should be performed taking account in particular of easy maintenance the front door must open To evaluate the weight the boiler exerts on the ﬂoor it is necessary to take account of the weight of the water too see table I or II The ﬂoor must not be made of ﬂammable materials If necessary insert a panel made of non ﬂammable insulating material under the bott...

Страница 11: ...of ducts without terminal to insert to insert diameter diameter 90 bend 45 bend coaxial 5 m 1 m 0 5 m 100 mm 100 mm twin horizontally 10m 0 5 m 0 25 m 80 mm twin vertically 6 m 0 5 m 0 25 m 133 mm 80 mm oce 9405030833 Joint Diaphragm concentric Concentric union Flexible sleeve 4 2 Gas connection The gas installation and commissioning must be performed by a special ized technician in compliance wit...

Страница 12: ...etre Adding a 45 bend shortens the total length by 0 5 metres oce_010621_0500 L max 4 m oce_010621_0700 oce_010621_0800 L1 L2 max 3 m oce_010621_0600 examples of installation with horizontal ducts MINIMUM SLOPE 1 cm per metre down towards the outside to drain off condensation L1 L2 max 3 m L1 L2 L3 max 3 m view from above view from above view from above view from above ...

Страница 13: ...cessories 4 3 2 twin pipe ducts This type of duct can be used to discharge ﬂue gases both outside the building and in single ﬂues The air for combustion can be drawn in at different places to those for discharge The splitter is an accessory comprising an exhaust reduction coupling 100 80 and a shutter air intake coupling The seal and the screws of the air intake coupling are the ones re moved befo...

Страница 14: ...t heating capacity and gradually adjust the air register in order to obtain a CO2 measurement of 6 5 with natural gas G 20 7 with liquid gas G 30 G 31 The 90 bend enables connecting the boiler to the inlet and outlet ducts in any direction since rotation is possible through 180 It can also be used as an additional bend in combination with the duct or 45 bend Adding a 90 bend shortens the total len...

Страница 15: ...pieces combustion air inlet ﬂue gas outlet must be installed in the same area of the building oce_010621_1700 oce_010621_1800 examples of installation with twin pipe vertical ducts IMPORTANT The single duct for discharg ing ﬂue gases must be suitably insulated where it comes into contact with the walls of the building using appropriate insulation such as ﬁbreglass padding For more detailed instruc...

Страница 16: ...al power supply cable Electrical safety of the appliance is guaranteed only by correct grounding in compliance with the applicable laws and regulations Connect the boiler to a 230 V mono phase ground power supply by means of three pin cable supplied with it and make sure you connect polarities L live and N neutral correctly Use a double pole switch with a contact separation of at least 3mm in both...

Страница 17: ...ion MAX R Central Heating output regulation COLOUR OF THE WIRES C Light Blue M Brown N Black R Red G V Yellow Green B White ROOM THERMOSTAT 230V TANK S NTC PROBE POWER SUPPLY FUSE CENTRAL HEATING PUMP WINTER SUMMER RESET SWITCH GAS VALVE IGNITION ELECTRODE FLAME SENSING ELECTRODE SAFETY THERMOSTAT FLUE THERMOSTAT CENTRAL HEATING TIMER JUMPER STORAGE TANK PUMP TERMINAL BOARD M2 STORAGE TANK TIMER J...

Страница 18: ... connected following the diagram of ﬁgure 3 Zone valves or zone pumps have to be electrically supplied separately from the boiler as described in the electrical diagram of ﬁgure 3 With QAA73 climatic regulator The zone valve and zone pump controlled by the QAA73 have to be electrically supplied following the diagram in ﬁgure 3 Case 1 Installation without external probe The heating ﬂow temperature ...

Страница 19: ...to the terminal board Connect the motor contacts of timer to the A3 connector of the boiler PCB contacts 1 3 If a battery run timer is used leave contacts 1 3 of A3 connector free For the right connection of the timers see also the electrical diagram of ﬁgure 4 0506_2002 HEATING PROGRAMMER Figure 4 Programmer clock connection DHW TANK PROGRAMMER TERMINAL BLOCK M2 BOARD BOILER Domestic Hot Water ti...

Страница 20: ... the sketch shown in Figure 5 0401_2103 Figure 5 Storage tank plumbing connection diagram LEGEND UB TANK UNIT UR HEATING UNIT PS DOMESTIC HOT WATER PUMP PR HEATING PUMP SB TANK SENSOR MR1 HEATING DELIVERY ON MODELS WITH PLUMBING ACCESSORIES MR2 HEATING DELIVERY ON MODELS WITHOUT PLUMBING ACCESSORIES MB TANK COIL DELIVERY RB TANK COIL RETURN For the electrical connection depending on the case follo...

Страница 21: ...und Faston connector Move one of the two ends of the yellow jumper Domestic Hot Water Programmer from terminal 5 to terminal 6 of the terminal block M2 domestic hot water function activation Pass the cable through the cable glands and secure the 6 pin connec tor on the rear of the boiler using the screws provided in the kit after taking the covers off the connector Domestic Hot Water Sensor Connec...

Страница 22: ...ing the yellow jumper Pass the cable through the boiler cable glands Tank Pump Connect the tank pump to the terminals 37 and 39 of the wiring board of the tank unit use a harmonized cable HAR VV F 3 x 0 75 mm2 Caution The domestic hot water adjustment knob Ref 3 Figure 1 must remain in the maximum position The domestic hot water adjustment must be made on the knob in the tank unit 0506_2001 Figure...

Страница 23: ...Water Programmer from terminal 5 to terminal 6 of the terminal block M2 domestic hot water function activation Pass the cable through the cable glands and secure the 6 pin connector on the rear of the boiler using the screws provided after taking the covers off the connector Figure 6 Domestic Hot Water Sensor Using the 2 pole cable supplied connect the terminals T1 and T2 of the 6 pin connector wi...

Страница 24: ... it on a wall which is situated in the north north east direction avoiding the direct radiation of the sun rays Avoid damp and mouldy walls Verify the wall is sufﬁciently thermal isolated Avoid its installation near electric fans ﬂue pipes or chimneys Fix the external probe to the wall with the two plugs supplied with the probe following the technical instructions supplied with the probe Electrica...

Страница 25: ... Parameters settable by the user Choice of the language Use of Information key Figure 10 Connection of the climatic regulator QAA73 REMOVE THE JUMPER KEY N C Normally closed contact C Common contact N A Normally open contact QAA73 positive pole QAA73 negative pole S EXT External probe COLOUR OF THE WIRES M Brown N Black C Light blue R Red 0301_1701 interface card QAA 73 regulator External probe 10...

Страница 26: ...d the external sensor must be ﬁtted 77 Automatic adaptation of the heating curve according to the room temperature 78 Max advance referred to the hourly program of the boiler switching on for the room temperature optimization 79 Max advance referred to the hourly program of the boiler switching off for the room temperature optimization 90 ECO function DHWtemperature when the boiler is in OFF mode ...

Страница 27: ... only if the boiler is electrically supplied and the selector 1 is not in position 0 Anyhow after a non working period or at the ﬁrst lighting of the boiler a manual release of the pump could be necessary it is enough to take off the tap screwed on the pump axis put in a screwdriver and let the rotor turn to release it and help its functioning 010706_1000 010706_1100 13 Regulation on the electroni...

Страница 28: ...ressure setting at the burner as indicated in tables IV according to the output and the model of boiler Final checks Close the control panel Take off the manometers and close the pressure intakes Apply the additional data plate specifying the type of gas and setting applied Reassemble the frontal door 14 Gas conversion Aqualiﬁed Service Engineer may adapt this boiler to operate with natural gas G2...

Страница 29: ...22 2 28 4 19 8 17000 8 3 24 9 31 9 20 9 18000 9 2 27 7 35 5 22 1 19000 Maximum Heat Output 15 Table of gas consumption and injectors Table III a GAS G 20 p c i 34 02 MJ m3 Model Injectors Power consumption Maximum pressure Minimum pressure Inlet gas of boiler diameter max min burner burner pressure mm m3 h mbar mbar mbar 1 230 Fi FiN 3 15 2 59 1 43 9 2 2 9 20 1 300 Fi FiN 3 5 3 49 1 80 10 6 2 9 20...

Страница 30: ...ne in front of the burner by inserting the measuring sensor on the silicone pad in the front box of the sealed chamber spark plug cable gland 16 Regulation and safety devices These boilers are built to satisfy all the European rules and prescriptions and in particular are provided with Automatic and electronic ignition On demand of regulation devices the PCB produces the spark at the ignition elec...

Страница 31: ... the ﬂue gas conveyor by raising it upwards It is recommended to replace the sealing of the ﬂue diverter at every dismounting Dismount of the burner assembly Remove the front box of the sealed chamber Unscrew the three nuts ﬁxing the plate to the cast iron exchanger Disconnect the gas supply pipe acting on the joint positioned after the gas valve Remove the ignition and ﬂame sensing electrodes Aft...

Страница 32: ...hane or LPG methane or LPG methane or LPG G20 natural gas supply pressure mbar 20 20 20 20 G30 butane supply pressure mbar 28 28 28 28 G31 propane supply pressure mbar 37 37 37 37 Power supply voltage V 230 230 230 230 Power frequency Hz 50 50 50 50 Nominal Power W 170 170 70 70 Weight kg 121 144 111 134 Degree of protection IPX 4D 1 mbar 10 197 mm H2 O 1000 W 860 kcal h code 911 976 1 BAXI S p A ...

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