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6.2 - Connecting the
power supply cable

To connect the electrical power supply cable,
follow the steps below while referring to figure 18:

remove the boiler casing following the

instructions given in section 13.2 or 13.3;

press the two plastic springs tabs labeled “B”

on the bottom side;

open panel “A” in the “C” direction;

remove the three screws labeled “D”;

open door “E” in the “F” direction;

install the power supply wires, “G” as shown;

strip the power supply wires being careful to

leave the ground wire 1in (25 mm) longer than
the other two;

connect the ground wire to the ground terminal;

connect the 120 volt hot wire to terminal “L1”;

connect the 120 volt neutral wire to terminal

“N”.

NOTICE! If the 120 volt power wires are
inverted, the boiler will block, displaying
error code E21.

NOTICE! If the boiler is not properly
grounded, the boiler will block, displaying
error code E23

6.3 - Choosing the room
thermostat

This boiler is designed to function with any type
of room thermostat which has
an electrical contact with the following
specifications:
- open (end call for heat); closed (call for heat);
- clean dry contact (not powered);
- electrical capacity of 24Vac, 1A.

6.4 - Thermostat wiring

Install the room thermostat in a part of the house
where the temperature is as near to average as
possible. Avoid areas subject to sudden
temperature changes such as outside windows or
doors, above radiation elements, near lamps,
etc., (see figure 19).

Connect the room thermostat to the boiler by
following the steps below:

remove the boiler casing according to the

instructions given in section 13.2 or 13.3 and
open the junction box per section 6.2;

use a two conductor cable with a minimum

cross section of # 18 AWG between the boiler
and the room thermostat;

A = Junction box
B = Plastic spring
C = Opening direction
D =

Screws for junction box cover

E = Junction box cover
F = Junction box cover opening direction
G = Electrical supply cable
H = Room thermostat cable (optional)
L = Outside temperature sensor cable (optional)
M = Storage tank temperature sensor
N = Remote command cable (optional)

Figure 18 - Junction box

6 - INSTALLATION - Electrical connections

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Содержание ONEX

Страница 1: ...ance instructions for gas fired condensing hot water boilers models ONEX ONEX ONEX ONEX ONEX Book No 62403466 Ed Sep 2008 INSTALLER THESE INSTRUCTIONS TO BE AFFIXED ADJACENT TO THE BOILER ASME certified 62403466 R04 14 11 2008 ...

Страница 2: ...t autre appareil QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ Ne pas tenter d allumer l appareil Ne touchez à aucun interrupteur ne pas vous servir des téléphones se trouvant dans le bâtiment Appelez immédiatement votre fournisseur de gas de puis un voisin Suivez les instructions du fournisseur Si vous ne pouvez rejoindre le fournisseur appelez le service des incendies L installation et l entretien d...

Страница 3: ...3 SAFETY INSTRUCTIONS ...

Страница 4: ...injury or death Any optional extras or kit fitted subsequently must be original Cosmogas spares SAFETY INSTRUCTIONS WARNING These instructions must be read prior to installation If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death Liability The manufacturer declines all liability contractual or otherwise fo...

Страница 5: ...13 Gas supply piping 21 5 14 Operating at high altitudes 21 5 15 Suggested piping and wiring connections for the 45WN and 45WE versions Boiler 22 5 16 Suggested piping and wiring connections for the 45AN and 45AE versions Boiler 23 6 INSTALLATION Electrical connections 24 6 1 Electrical connections overview 24 6 2 Connecting the power supply cable 25 6 3 Choosing the room thermostat 25 6 4 Thermos...

Страница 6: ...ons 48 12 7 Circulator pump and three way valve protection 48 12 8 Freeze protection 48 12 9 Display in energy saving mode 48 12 10 Users menu 49 12 11 Installers menu 50 12 12 Diagnostics 52 12 12 1 Diagnostics L lock outs 53 12 12 2 Diagnostics E blocking errors 55 12 13 Remote command for model 45WE and 45AE 57 13 MAINTENANCE 58 13 1 General precaution 58 13 2 Removing the casing for models 45W...

Страница 7: ...tion or in the absence of such requirements to the latest edition of the National Fuel Gas Code ANSI Z223 1 NFPA 54 and or CAN CSA B149 1 Natural Gas and Propane Installation Code Where required by the authority having jurisdiction the installation must conform to the Standard for Controls and Safety Devices for Automatically Fired Boilers ANSI ASME CSD 1 ...

Страница 8: ...3 564 9538 45 AN heating only version for inside installation WN combi version space heating and instantaneous D H W production for inside installation AE heating only version for outdoor installation WE combi version space heating and instantaneous D H W production for outdoor installation Modulating gas fired condensing hot water boiler with sealed combustion chamber and pre mix burner with maxi...

Страница 9: ...models 8 Heating pressure switch low water cut off 9 Heating supply connection 10 DHW connection not present on 45AN and 45AE models 11 Gas inlet connection 12 DCW connection not present on 45AN and 45AE models 13 Heating return connection 14 Power Control Board 15 Openterm interface board optional 16 Connection board 17 Primary heat exchanger 18 Spark cable 19 External jacket 20 Sealing chamber d...

Страница 10: ...odels 37 Cable clamp 38 ASME Safety relief valve 39 U8 return temperature sensor 40 By pass pipe not present on 45AN and 45AE models 41 Condensation discharge pipe 42 Secondary heat exchanger for domestic hot water production not present on 45AN and models 43 Expansion tank connection pipe not present on 45AN and 45AE models 44 Circulator pump screw not present on 45AN and 45AE models 45 Circulato...

Страница 11: ...by pass valve 17 safety relief valve 21 condensate discharge pipe 22 heating supply pipe 23 domestichotwateroutlet 24 gas inlet 25 cold water inlet 26 heating return pipe 45 U7 flue gas temperature sensor 46 U1 boiler temperature sensor 47 U6 high limit temperature sensor 48 U3 domestic cold water sensor storage tank sensor 49 U2 domestic hot water temperature sensor 50 U8 return temperature senso...

Страница 12: ...17 safety relief valve 20 safety relief valve discharge 21 condensation discharge pipe 22 heating supply pipe 24 gas inlet 26 heating return pipe 45 U7 flue gas temperature sensor and high limit safety switch 46 U1 boiler temperature sensor 47 U6 high limit temperature sensor 50 U8 return temperature sensor 51 flue pressure switch Figure 3 45AN and 45AE Hydronic functional schematic 4 FUNCTION OVE...

Страница 13: ...ERVIEW 45WE This boiler is equal to the 45WN model but is intended for outdoor installation 45AE This boiler is equal to the 45AN model but is intended for outdoor installation All models can be connected to an indirect storage tank for the production of domestic hot water section 7 All models can be connected to a room thermostat section 6 3 and 6 4 Because boiler models 45WE and 45AE are usually...

Страница 14: ...rk This graph represent an installation where the supply and return temperatures are 139 F and 115 F respectively and the outside temperature is 23 F The outdoor sensor drives the boiler to progressively reduce the supply temperature and thereby optimize the efficiency It changes from 87 when outside is 10 F to 94 8 when outside is 23 F and up to 98 when the outside temperature rises up to 67 F Fi...

Страница 15: ...n figure 17 item 6 Use the graph in figure 6 to choose the correct pump 4 6 Characteristic curve of the domestic side 45WN and 45WE boilers offers certain resistance to the passage of the domestic water see graph flow pressure of figure 7 The installer or the engineer must take account of this in order to ensure the correct domestic water flow to the utilities Figure 5 Residual Head for heating ci...

Страница 16: ... wind sun and frost NEVER place this boiler in a location that would subject it to temperatures at or near freezing Failure to properly locate this boiler can result in premature failure voiding the warranty When locating the boiler the following factors must be considered the location of vent air intake terminals connection to the gas supply connection to the water supply connection to the heatin...

Страница 17: ...tructure that it supplies hot water too it must be sheltered so it is protected from rain sun and frost NEVER place this boiler in a location that would subject it to temperatures at or near freezing Failure to properly locate this boiler can result in premature failure voiding the warranty When locating the boiler the following factors must be considered the location of vent air intake terminals ...

Страница 18: ...anging connections B and C on tabs D 5 5 Mounting the plastic cover on a 45WE or 45AE boiler If you are installing a 45WE or 45AE boiler for outside use you must also install the plastic outer jacket cover as per section 13 3 1 The plastic cover will need to be cut on the bottom to adapt the passage of the gas and water connections as per section 5 6 the condensate drain as per section 5 7 the rel...

Страница 19: ...odes for condensate neutralizer between pipe C of figure 13 and the waste disposal system be carried out with a pipe with an internal diameter equal to or greater than 1 2 in 13 mm be installed in such a way so as to avoid the freezing of the liquid never discharge into gutters or rain collectors properly pitched towards the point of discharge avoiding high points which could place the condensate ...

Страница 20: ...o prevent the supply water temperature from exceeding 113 F 45 C or damage to the low temperature system components could occur see section 5 9 With switch 6 in figure 22 in the ON position the boiler will maintain the supply water temperature between 68 F 20 C and 113 F 45 C No setting changes made from the control panel will cause the supply water temperature to exceed 113 F 45 C CAUTION If the ...

Страница 21: ...4 for values of maximum gas supply pressure and minimum gas supply pressure and also section 11 7 Before installation a thorough internal cleaning of the gas supply line should be performed Figure 12 shows the positioning of the gas connection on the heater The boiler and its gas connection must be leak tested before placing the boiler in operation To avoid damaging the gas control perform a leak ...

Страница 22: ...ound joint union 6 Circulator pump 7 By pass valve 8 Relief valve drain 9 Condensate drain 10 Domestic mixing valve 11 Expansion tank 12 Flow restrictor 13 Fill valve 14 Heating supply 15 Domestic Hot Water 16 Cold water 17 Heating return 18 Gas supply 19 Concentric vent air intake terminal OS Outdoor sensor optional RC Remote command only for 45WE model RT Room thermostat 120 Vac Electrical suppl...

Страница 23: ...ap 5 ground joint union 6 Circulator pump 7 By pass valve 8 Relief valve drain 9 Condensate drain 10 Domestic mixing valve 11 Expansion tank 12 Flow restrictor 13 Fill valve 14 Heating supply 15 Domestic Hot Water 16 Cold water 17 Heating return 18 Gas supply 19 Concentric vent air intake terminal OS Outdoor sensor optional RC Remote command only for 45AE model RT Room thermostat 120 Vac Electrica...

Страница 24: ... checked Check that the electrical system is adequate for the power consumption indicated on the rating plate Line voltage field wiring of any controls or other devices must conform to the temperature limitation of type T wire at 95 F 35 C above room temperature Use copper conductors with a minimum size of 14 AWG Low voltage wiring must not be less than 18 AWG with a neoprene thermoplastic or othe...

Страница 25: ...pe of room thermostat which has an electrical contact with the following specifications open end call for heat closed call for heat clean dry contact not powered electrical capacity of 24Vac 1A 6 4 Thermostat wiring Install the room thermostat in a part of the house where the temperature is as near to average as possible Avoid areas subject to sudden temperature changes such as outside windows or ...

Страница 26: ... containing 120 Vac power wires or an electrical shock hazard will exist connect the outdoor temperature sensor cable leads to terminals OS as shown in figure 18 connect the outdoor temperature sensor cable leads to the ends of the external temperature sensor Set the boiler so that it detects the outdoor temperature sensor as follows press down the button for 12 seconds until the display starts bl...

Страница 27: ...and cable length permitted is 65 ft 20 m For longer lengths up to 300 ft 100 m a shielded cable with the shield connected to the ground must be used WARNING Since the remote command wires conduct 24 Vac they must never be run through conduits containing 120 Vac power wires or an electrical shock hazard will exist connect the remote command cable leads to terminals BUS as shown in figure 18 connect...

Страница 28: ...to terminals TS as per figure 18 insert the probe of the tank temperature sensor into the socket of the storage tank use a 18 AWG four wire cable to connect the three way valve to terminals 1 2 3 and Ground as per figure 18 where 1 120Vac Line for domestic side 2 Neutral 3 120Vac Line for heating side WARNING Since the indirect storage tank temperature sensor wires conduct 24 Vac they must never b...

Страница 29: ...x B plastic spring to open the electrical box C Direction to open the electrical box D Switches for the functional setting of the boiler Figure 22 Contro board and junction box board details 7 INSTALLATION Indirect storage tank connections ...

Страница 30: ...he minimum size as determined using the appropriate tables in Part 11 of the National Fuel Gas Code ANSI Z223 1 NFPA 54 and or CAN CSA B149 1 Natural Gas and Propane Installation Code Au moment du retrait d une chaudière existante les mesures suivantes doivent être prises pour chaque appareil toujours raccordé au système d évacuation commun et qui fonctionne alors que d autres appareils toujours r...

Страница 31: ...least 5 ft 1 5 m above the air intake terminal s Avoid terminal locations likely to be affected by winds snowdrifts people and pets Item unique to CANADA vent system shall terminate at least 6 ft from electrical and gas meters Due to the high efficiency of the boiler it may discharge what looks like white smoke especially when the outside air temperature is cold This is a simply water vapor a pure...

Страница 32: ...h can result in severe personal injury or death Pipes or elbows connected directly to the boiler must be mechanically secure Follow these instructions make reference to figure 25 prepare the two collars G with springs E and F insert the collars L in hole M insert pipe N inside fitting A tight the two collars O in a manner to mechanically secure pipe N to fitting A Horizontal vent sections must alw...

Страница 33: ...an result in excessive levels of carbon monoxide or a fire which can result in severe personal injury or death Mechanically secure each joint with the supplied clamps as shown in figure 26 Follow this procedure insert the Male side B into the Female side A use clamp C to keep the two pipes together use nuts F and bolts E to tighten the clamp onto both pipes tighten bolts and nuts CAUTION If vent a...

Страница 34: ...80 PP 61302011 No 29 Flue exhaust roof terminal 62617236 No 11 3ft PP M F extension 62617240 No 14 60 ft PP flexible extension 62617241 No 16 Spacer for PP flexible extension 62617244 No 12 90 PP M F in line elbow 62617246 No 13 45 PP M F in line elbow 62617248 No 18 Secure clamp for PP extensions 61302003 No 30 Air intake grid Note the numbers after the codes correspond to the numbers in figure 2...

Страница 35: ... boiler itself The horizontal section of the vent system must be pitched 1 4 in ft 21 mm m towards the boiler The intake combustion air system must be pitched outward 1 4 in ft 21 mm m to prevent rainwater from entering the boiler the third example shows the vent system run through a dormant chimney but the vent is done by the flexible polypropylene pipe Condensation is collected inside the boiler...

Страница 36: ...fire which can result in severe personal injury or death In particular slip fit the extension 1 and 2 see figure 31 together drill a suitable hole 3 with a drill 4 see figure 31 in a position where the two pipes 1 and 2 are overlapped insert a suitable stainless steel self tapping screw 5 and tight it with a screwdriver 6 It is recommended that wall sleeve be used when installing the coaxial 60 10...

Страница 37: ...g for roofs pitched between 15 and 25 62617234 No 1 In line 90 PP coaxial M F elbow 62617252 No 6 In line 45 PP coaxial M F elbow 62617231 No 7 3ft 1m PP coaxial extension 62617250 No 3 PP coaxial roof end piece 62617232 No 5 PP Coaxial wall end piece 62617224 No 8 PP straight coaxial adaptor Note the numbers after the codes correspond to the numbers in figure 32 10 INSTALLATION Coaxial 60 100PP v...

Страница 38: ...21 mm m towards the boiler CAUTION Maintain the distances given in figure 33 between the vent terminal and the wall and also between the vent terminal and the ground level snow line Figure 32 Installation examples for the coaxial pipe see section 10 2 for the reference of the numbers Figure 33 Clearances for the coaxial vent terminal 10 INSTALLATION Coaxial 60 100PP venting system ...

Страница 39: ...system must be filled with clean water from the domestic water system Contaminated water can damage the boiler voiding its warranty CAUTION The addition of any chemical substances such as anti freeze must be carried out according to the product instructions Read and follow instructions in sections 13 11 and 13 12 to prevent problems open the automatic air vent shown as item 1 in figure 1 two turns...

Страница 40: ...jury or death 11 5 Start up Open the manual gas shut off valve figure 16 and 17 item 3 Switch the on off power switch item 34 in figure 1 to on If the display shows code E 21 it means that the polarity has not been observed between the hot and neutral wires If this happens the wires must be switched Upon start up an is shown for 2 minutes while the boiler goes through its heating system purge cycl...

Страница 41: ...ch to on and generate a heat demand by turning knob 33 shown in figure 1 to its maximum setting Also ensure that the room thermostat is calling for heat press the and keys at the same time for more than 10 seconds the display will show press the key until the display shows Now the boiler will run for 10 minutes at maximum input check the manometer to make sure the gas supply pressure does not drop...

Страница 42: ...robe C as shown in figure 37 remove plug A from the pressure probe and connect the differential positive side of the manometer to it the manometer connections must be made as shown in figure 37 to get the correct pressure reading replace panel H of figure 44 and latch it closed If panel H is not properly in place the manometer reading will not be accurate turn the power switch to on item 34 in fig...

Страница 43: ...35 seal screw F with red paint or nail polish to discourage tampering press the key until the display shows if a call for heat has been generated or until is displayed if a domestic hot water demand has been generated The boiler will now run for 10 minutes at high fire input wait 2 to 3 minutes for the CO2 to stabilize insert the probe of a calibrated combustion analyzer into port B and take a flu...

Страница 44: ...eat exchanger without being adequately heated It is therefore advisable to carry out the following adjustments switch the on off power switch item 34 in figure 1 to on adjust control 32 as shown in figure 1 to 130 F 50 C fully open a hot water faucet If a mixing type faucet with single lever is opened the position must be fully to HOT set the mixing valve item 10 of figure 16 to its maximum values...

Страница 45: ...imatic adjustment follow section 12 4 an outdoor temperature sensor is required CH 02 Climatic adjustment with room compensation follow section 12 4 to 12 4 6 an outdoor temperature sensor is required 12 4 Climatic adjustment While in the Installers Menu set the parameter to 01 In this mode the heating supply water temperature calculated temperature in figures 40 and 41 will be adjusted automatica...

Страница 46: ...gested are for boilers using an outdoor temperature sensor installed in dwellings with average heat loss in areas where the outside temperature for the calculation of the heat requirement is 23 F 5 C In the event that the climatic zone is different adjust the gradient of the curve parameter to obtain a calculated temperature of 176 F 80 C for high temperature systems see Figure 40 For Low Temperat...

Страница 47: ... the heating knob item 33 of figure 1 OA Inclinationoftheline Ob Minimum heating temperature Oc Maximum heating temperature br Set point of the angle fulcrum of the line b parallelshiftoftheline adjusted by the heating knob item 33 of figure 1 Calculated temperature C Outside temperature C Outside temperature F Calculated temperature F Calculated temperature C Outside temperature C Outside tempera...

Страница 48: ...tion 12 11 and set the parameter at a value other than zero Keep in mind that each value will correspond to a delay in minutes until the display goes into Energy Saving mode 12 USE e Time delay in restarting the burner in its normal functing state except when providing domestic water every time the burner stops there is a delay time of 3 minutes before the boiler restarts again 12 7 Circulator pum...

Страница 49: ...ment of the parallel shift of the curve as shown in figures 40 and 41 when climatic adjustment is active per section 12 3 Display of the calculated heating temperature when climatic adjustment is active per section 12 3 or display of the temperature set by knob 33 shown in figure 1 Display of the domestic hot water temperature when set by knob 32 shown in figure 1 Display of last error code regist...

Страница 50: ... that a change of mode has taken place To access the Installers Menu just see also section 16 press the button down for 12 seconds until the parameter is displayed press and release the button to scroll through the list of the parameters once the parameter has been displayed it can be changed using the or keys press and release the button to confirm the amended data before moving to the next param...

Страница 51: ...ction 12 4 3 for its adjustment Can be changed from 1 F 1 C to 36 F 20 C active only with climatic adjustment featuring room compensation See section 12 4 6 for its adjustment Can be changed 01 knobs presents 00 knobs absent Can be changed 00 display always on any other value corresponds to a delay in the switching off of the display expressed in minutes see also section 12 9 Boiler and heating su...

Страница 52: ...ing see section 12 6 Boiler temperature F Boiler temperature F 01 Boiler temperature F Domestic hot water service active for more than 120 minutes Turn domestic hot water to OFF position to reinstate heating 02 Connection interrupted between boilers on the battery No display Domestic hot water temperature F Heating temperature F Lock out code see section 12 12 1 for decodification Error code see s...

Страница 53: ...n 13 5 If position is correct check for 120Vac at the supply of the spark generator c if the combustion air pressure is incorrect inspect the vent system and eliminate any obstructions d if the voltage to the gas valve is not 120Vac the power control board must be replaced e if the resitance of the gas valve coils is not 0 18 kohm and or 1 10 kohm the gas valve must be replaced f If the ionization...

Страница 54: ...the pressure rises above 22 psi 1 5 bar b check that there are no water leaks in the heating system Check a that no obstructions are in the flue discharge air intake line b check the flue pressure switch setting point setting is 4 5 in W C c check that the electrical resistance of the flue gas sensor corresponds with the graph in section 13 14 d check that the electrical connection cables between ...

Страница 55: ...nce of the sensor corresponds with the graph in section 13 14 check that the electrical connection cables between the sensor and the power control board Check that the electrical resistance of the sensor corresponds with the graph in section 13 14 check that the electrical connection cables between the sensor and the power control board If the sensor resistance does not correspond it must be repla...

Страница 56: ...esistance of the sensor corresponds with the graph in section 13 14 check that the electrical connection cables between the sensor and the power control board Check if the boiler is properly grounded Push ON switches 7 an set again the correct TYPE If the sensor resistance does not correspond it must be replaced if the electrical circuit is damaged it must be repaired if the previous two cases do ...

Страница 57: ...ommand are present two lights Green light continuously ON central heating is correctly running Green light blinking every 7 sec good communication between the remote command and the boiler Central heating service is OFF Eg room thermostat opens Red light continuously ON boiler is in a lock out condition Press RESET key to reactivate the boiler If the lock out occurs frequently contact a profession...

Страница 58: ... boiler off close the manual gas shut off valve figures 16 and 17 item 3 and shut off electrical power to the boiler Follow the Operating Instructions outlined in the section SAFETY INSTRUCTION WARNING If maintenance is performed on the vent air intake system it must be properly reassembled and sealed Failure to properly maintain the vent air system can result in excessive levels of carbon monoxid...

Страница 59: ...o remove the casing follow the steps below while refering to figure 44 remove screws A raise latch C remove the front cover press the two plastic springs item L down lower the electrical box lift latch G pull the bottom of cover H out by around 4 in 10 cm lift cover H up by around 1in 2 cm and remove it 13 MAINTENANCE ...

Страница 60: ...by around 1in 2 cm and remove it 13 3 1 Installing the plastic cover on models 45WE and 45AE boilers Boilers models 45AE and 45WE are delivered with the plastic outer jacket cover in a separate box and need to be field installed In order to install the plastic cover follow the steps below while refering to figure 45 mount the boiler as per section 5 5 mount the coaxial adaptor item B in figure 45 ...

Страница 61: ... from the combustion chamber detail H in figure 46 using the same vacuum cleaner clean the surfaces of the burner and around the electrodes WARNING Before proceeding to the next step verify that the electrical supply to the boiler and any other electrical supply near the boiler is off Failure to comply with this warning can cause extensive property damage severe personal injury or death WARNING wh...

Страница 62: ... must be between 0 08 in 2 mm and 0 082 in 2 5 mm the distance of the ignition electrodes to the burner surface must be between 0 196 in 5 0 mm and 0 215 in 5 5 mm the distance of the flame detection electrode to the burner surface must be between 0 236 in 6 0 mm and 0 276 in 7 0 mm 13 6 Domestic hot water heat exchanger only for 45WN model The production of DHW takes place in the secondary heat e...

Страница 63: ...revent water from entering the electrical system grip spring clamp G with a pair of pliers and slide it downwards pull the condensation trap hose H off the trap remove the fan burner assembly unit follow steps of section 13 4 protect the gas valve outlet from entering any object or condensing water unscrew nut I from the bottom of the trap A and pull it upwards taking care not to spill the condens...

Страница 64: ...g system isolation valves and heating system fill valve follow the steps in section 11 1 3 to bleed the air from the heating system NOTE If display shows L05 reverse polarity phase and neutral to the pump 13 9 Expansion tank pressure only for 45WN and 45WE models To check the expansion tank pressure follow the steps below follow the steps in section 13 11 to isolate and drain the water from the bo...

Страница 65: ...e boiler follow the steps in section 13 2 or 13 3 to gain access the internal components disconnect fittings A and B remove screw C remove spring E and by pass pipe D by moving it towards the back of the boiler remove the forked spring clip G remove the 3 way valve servomotor H unscrew tubing nut I remove screw L remove the 3 way valve body F taking care not to loose the o rings M figure 52 during...

Страница 66: ...carry out specific checks covered in the manual it is possible to override the control logic of the boiler See the next 13 13 1 Auto purging To reset the auto purging procedure press the and keys together for 10 seconds When the blinking appears on the display press 13 13 2 Fan To run just the fan at full speed press the and keys together for 10 seconds until the blinking appears on the display Th...

Страница 67: ...1 U2 U3 U5 U6 U7 and U8 The location of each sensor can be found in figures 1 and section 13 16 and 13 17 13 15 Outdoor temperature sensor optional An outdoor temperature sensor can be connected to the boiler see section 6 5 The electrical resistance existing between the sensor wires must correspond with the values shown in figure 54 13 MAINTENANCE Figure 53 Water temperature sensors curve Figure ...

Страница 68: ...er servicing Failure to comply with this warning can cause extensive property damage severe personal injury or death 13 MAINTENANCE ATTENTION Au moment de l entretien des commandes étiquetez tous les fils avant de les débrancher Des erreurs de câblage peuvent entraîner un fonctionnement inadéquat et dangereux S assurer que l appareil fonctionne adéquatement une fois l entretien est terminé ...

Страница 69: ...les connector J4 Four poles connector J5 Sixteen poles connector J10 Ten poles connector J18 Height poles connector U1 Supply temperature sensor U2 Domestic hot water temperature sensor U3 Domestic cold water temperature sensor U3 TANK Storage tank temperature sensor optional U4 Outside temperature sensor U6 Heating Safety high limit temperature sensor U7 Flue gases temperature sensor with integra...

Страница 70: ...I 30 Minimum heating pressure PSI 8 Maximum pressure of domestic hot water circuit PSI 150 Minimum pressure of domestic hot water circuit PSI 1 Capacity of expansion tank gal 2 64 Supply voltage 120Vac 60Hz Absorbed electric power W 170 Flue gas pipes diameter split mm 3 15 80 Max length flue gas pipes split ft 300 Flue gas pipes diameter coaxial mm 2 36 3 94 60 100 Max length flue gas pipes coaxi...

Страница 71: ...M 3 53 X 25 8 15 62630136 SIPHON 16 60806020 SPRING 28 7 17 60322012 POLIETYLENEPIPEL 1000 18 60701001 1 G GASKET 19 62301031 PUMP GRUNDFOS UP 15 58U BRUTE USA 20 62622012 COPPERPIPED22RETURNSEALING CHAMBER 21 62111015 SENSOR NTC 10K BAIO 22 XXX N D 23 60801132 SCREW 4 8X19 ZINCAF TC CR UNI6954 24 61405164 PLUGFORFLUEAIRFITTING 25 60702052 O RING 2050 EPDM 1 78 X 12 42 26 61405160 DISCHARGERACCORD...

Страница 72: ...2 LEFTIGNITIONELECTRODEFORNOVADENS 60 60505023 RIGHTIGNITIONELECTRODEFORNOVADENS 61 60505024 DETECTIONELECTRODEFORNOVADENS 62 60406069 SPRINGMIXER 63 60702050 O RING 3056 NBR 118 2 62X13 95 64 62624125 GAS PIPE SIT USA 65 60701006 GASKET 3 4P 24X15X2 KLINSIL 66 60801014 SCREW 4X10 ZINC TC CR 67 60101224 FLANGE GAS 32X32 3 4P 68 60702029 O RING 130 2 62 X 22 22 69 61201040 GAS VALVE SIGMA848 120V 7...

Страница 73: ...1202025 COVERPISTONHEATING 101 61202028 PISTONHEATINGSIDE 102 60107005 PLUG BRASS 1 4P M WITH O RING 103 60110028 NIPPLE OT 1 22X1 5 MM 104 60702036 O RING 2075 EPDM 1 78 X 18 77 105 61408007 HYDRONICRETURNGROUP 106 61202026 BY PASS VALVE 107 60701006 3 4 GASKET 108 62653003 DOMESTIC HEATEXCHANGER ACQUAJET 109 62110052 SENSOR NTC 10 KOHM KLIP WITH SCREW 110 60702053 O RING 3037 EPDM 2 62 X 9 19 11...

Страница 74: ... 123 60802018 3 4 NUT 124 60801135 SCREW 6X8 ZINC TC CR DIN7985 125 62623248 SUPPLYPIPEFORONLYHEATING 126 61408008 HYDRONIC SUPPLYGROUPONLYHEATING 127 60101193 1 2 1 4 FF BRASS FITTING 128 60107014 PLUG BRASS 3 4P F 129 60107015 PLUG BRASS 3 8P F 130 61408009 HYDRONICRETURNGROUPONLYHEATING 131 60101124 1 2P CAP 132 62113041 PRESSURESWITCHON4 5INWC 133 60101064 ELBOW 1 2P F F BRASS 134 60110001 NIP...

Страница 75: ...75 External jacket for 45AE and 45WE models 136 62606030 PLASTIC EXTERNAL JACKET 137 60703039 GASKET EPDM INTERNAL D60 15 SPARE PARTS ...

Страница 76: ...imatic CH settings to 01 or 02 see section 12 10 Installer s menu see section 12 11 Overrides menu see section 13 13 Boiler in stand by Domestic hot water Central heating temp setting D H W temp setting Last blocking error Last lock out error Curve angle Min heat temp Max heat temp Parallel shift Calculated heat temp D H W temp setting Supply temp D H W temp D C W temp tank temp Outdoor temp Ionis...

Страница 77: ...nti legionellae protection Last blocking error Last lock out error Room therm state Fan speed rpm 100 Setting output for heating Heating service mode Reaction to outdoor temp Angle fulcrum Heat temp reduction by open RT State of the knobs Energy saver display Disabled parameter 16 MENU S FLOW CHART ...

Страница 78: ...low for more explication Domestic functionalities selection Must be always at 00 Master or slave selection in a batterie configuration Must be always at 00 Rotating selection in a batterie configuration Must be always at 00 To enter this menu you must shut Off the main electrical supply move the switch n 7 see figure 22 item D to the ON position lite On the main electrical supply Now ty is display...

Страница 79: ...79 NOTE ...

Страница 80: ...srl Via L da Vinci 16 47014 Meldola FC ITALY www cosmogas com info cosmogas com Spare parts are available from your local authorized wholesale distributor For a location of the one nearest you call 413 564 9538 ...

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