Unical TRISECAL 3P DUO Series Installation, Use And Servicing Instruction Download

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5.2 - ELECTRICAL WIRING DIAGRAM FOR SINGLE PHASE BURNER AND PUMP

fig. 31

Ph Phase (230V ~ 50Hz)
N Neutral
F1 General fuse (max 4A)
Ib1 Burner switch 1

boiler

Ib2 Burner switch 2

boiler

IG Illuminated main switch
Ipi C.H. pump switch
Pi C.H. pump

Te1(1) 1

stage working thermostat (1

boiler)

(30°C÷90°C)

Te1(2) 2

stage working thermostat (1

boiler )

(24°C÷84°C)

Te2(1) 1

stage working thermostat (2

boiler)

(30°C÷90°C)

Te2(2) 2

stage working thermostat (2

boiler )

(24°C÷84°C)

Tm1 Minimum thermostat 1

boiler (30°C)

Tm2 Minimum thermostat 2

boiler (30°C)

Ts1 High limit thermostat 1

boiler (100°C)

Ts2 High limit thermostat 2

boiler (100°C)

A1,A2 Additional repetition of lockout for
burners 1 & 2
B1, B2 Additional repetition of working hour

meter for 1

stage for burners 1 & 2

C1, C2 Additional repetition of working hour

meter for 2

stage for burners 1 & 2

In case of three phase burner and/or pump, convenient relays have to be foreseen.
The terminals 35 - 36 - 38 - 39 may be used for the connection of additional recirculating pumps.

Summary of Contents for TRISECAL 3P DUO Series

Page 1: ...aaaaa 07 04 TRISECAL 3P TRISECAL 3P DUO INSTALLATION USE AND SERVICING INSTRUCTION to be kept by the user ...

Page 2: ...e responsibility of the installer to fulfil all the regulations concerning the boiler house the safety devices the chimney the fuel supply lines the electrical installations and all the other local requirements and safety instructions Approvals The UNICAL boilers TRISECAL 3P range have been tested and CE certified for the gas operation by GASTEC ITALIA who has recognised to these boilers the confo...

Page 3: ...page 21 3 2 Functions descriptions page 21 OPTIONAL PANEL BOARD WITH OUTER COMPENSATOR page 22 4 1 Functions description page 22 4 2 Panel board with outer compensator on request page 23 4 3 Electrical and hydraulic connections of C H page 24 4 4 Electrical and hydraulic connections of C H and D H W production circuit page 25 4 5 Outer compensator page 25 1 2 STANDARD PANEL BOARD FOR TS 3P DUO pag...

Page 4: ...systems BS 5546 Installation of gas hot water supplies for domestic purposes 2nd Family Gases BS 6644 Ventilation for gas appliances of rated input exceeding 60 kW HEALTH SAFETY DOCUMENT No 635 The Electricity at Work Regulations 1989 The manufacturer s notes must NOT be taken in any way as overriding statutory obligations IMPORTANT These appliances are CE certificated for safety and performance I...

Page 5: ...re equipped with a reversible hinged door which can be opened for this reason from L H or R H side The outer shell is insulated with a glass wool 1 2 WORKING PRINCIPLE The NOx formation process is strongly affected by the flame temperature the time during which the combustion gases stay in a high temperature zone oxygen partial pressure and its concentration The provisions to be adopted for the NO...

Page 6: ...150 T4 ISO 7 1 Rp Rp T3 ISO 7 1 Rp1 Rp1 T1 T2 ISO 7 1 Rp1 Rp1 Weight with packaging kg 326 398 Maximum boiler working pressure bar 5 5 Smoke side pressure drop mm w c 3 5 5 5 5 7 5 Water side pressure drop m w c 0 04 0 06 0 05 0 07 Boiler water content l 131 187 Input min max kW 53 3 70 74 5 97 Output min max kW 50 65 70 90 740 740 A mm B mm 690 950 C mm 950 950 D mm 190 190 E mm 140 140 F mm 145 ...

Page 7: ... 320 8 377 204 270 289 320 412 478 0 06 0 08 0 08 0 10 0 10 0 18 0 17 0 20 0 22 0 35 0 32 0 53 6 8 5 7 10 12 17 22 24 18 26 18 26 5 5 5 5 5 5 486 575 626 739 949 1118 DN 50 DN 50 DN 65 DN 65 DN 80 DN 80 Rp1 Rp1 Rp1 Rp1 Rp2 Rp2 Rp Rp Rp Rp Rp Rp 180 180 180 180 225 225 820 820 860 860 890 890 A mm 885 1145 1080 1210 1275 1470 B mm C mm 1082 1082 1182 1182 1352 1352 D mm 190 190 190 190 190 190 E mm...

Page 8: ...O mm Hydraulic resistance for delta T 15K 210 210 TS 3P 450 TS 3P 600 TS 3P 450 TS 3P 600 2 1 TRISECAL 3P Type T6 Øi mm T5 Øi mm T4 ISO 7 1 T3 UNI 2278 PN16 T1 T2 UNI 2278 PN16 Weight with packaging kg Maximum boiler working pressure bar Smoke side pressure drop mm w c Water side pressure drop m w c Boiler water content l Input min max kW Output min max kW DN 100 DN 100 DN 65 DN 65 Rp1 Rp1 250 250...

Page 9: ...erent models W mm B mm 1080 1210 1275 1470 1605 1800 A mm 1730 1730 1790 1790 1850 1850 Pressione max esercizio caldaia bar 5 5 5 5 5 5 Smoke side pressure drop mm w c 12 17 22 24 18 26 18 26 20 28 20 30 Water side pressure drop m w c 0 10 0 18 0 17 0 20 0 22 0 35 0 32 0 53 0 26 0 44 0 25 0 42 578 640 824 956 1416 1588 Boiler water content l Input min max kW 319 8 388 383 4 517 2 511 8 647 4 641 6...

Page 10: ...and it should also comply with any relevant requirements of the local gas supplier local authority and the relevant Standard Codes of Practice and building regulations The boiler house must be ventilated through permanent openings having a total surface not lower than 1 30th of the floor area of the boiler house with a minimum of 0 5 m2 Ventilation by grilles communicating directly with the outsid...

Page 11: ... of the boiler Among the inconvenients caused by the bad quality of the feeding water the most frequent and serious is the scaling of the heat exchange surfaces Less frequent but also dangerous is the corrosion of the water side surfaces of all the circuit It is well known that the lime due to its very low thermal conductivity reduces the heat transfer so that also a scaling of a few millimeters p...

Page 12: ... the necessary water circulation through in any possible opening condition of the mixing valve and to guarantee therefore the respect of the minimum return temperature indicated This pump will be sized according to the following formula Q P x 22 where Q Water flow rate in liter h P Boiler nominal output in kW and the manometric head 1 2 m w c 2 6 FURNACE DOOR ADJUSTMENT OPENING CLOSING A special a...

Page 13: ...ich a pressure test nipple 9 mm dia is fitted This can be used with a silicon pipe for the measurement of the counterpressure in the combustion chamber At the place of this pressure test nipple which must be held a special microbore pipe pos 2 will connect the flame sightglass directly to the pressure room downstream the fan of the burner The air blown by the fan will cool down and clean the sight...

Page 14: ...with the panel board to the side panels 3 4 G Insert the thermometer and thermostat bulbs in the bulb holders as shown in fig 15 and connect the mains the burner the pump s and any ancillary equipment to the panel board Close the panel board Guide the burner plug through the side cable clamp plate 9 on the preferred side and clamp the cable using the cable clamp supplied Fix the side cable clamp p...

Page 15: ...15 TRISECAL 3P 65 90 fig 14 fig 15 TRISECAL 3P 65 90 1 Thermometer bulb 2 Working thermostat bulb 3 Minimum thermostat bulb 4 Safety thermostat bulb 5 Bulb retaining clip ...

Page 16: ...re removing the precut insulation follow the instructions supplied with the insulation it self E After removal of the two side screws from the panel board rotate its cover towards the front and insert the cables and the capillaries of thermometer and thermostats through the slots on its base Fit the panel board to front upper panel 10 Fit the upper panel 10 complete with the panel board to the sid...

Page 17: ...cause the front insulation is suitable for two different boiler ranges TX N and TS 3P before removing the precut insulation follow the instructions supplied with the insulation it self H Fit the rear insulations pos 16 and 27 and fix the rear upper panel pos 26 I Position the panels 12 and 19 between the side upper panels pos 8 and 17 L After removal of the two side screws from the panel board rot...

Page 18: ...18 TRISECAL 3P 450 600 fig 18 fig 19 TRISECAL 3P 450 600 1 Thermometer bulb 2 Working thermostat bulb 3 Minimum thermostat bulb 4 Safety thermostat bulb 5 Bulb retaining clip ...

Page 19: ...rough the hole on the base of the panel board Fix the upper front panels to the upper sides panels of the casings of the two boilers Address the cables of the burners toward the plates fixed on the side panels in the external sides and stop them on the plates themselves with a cable clamp type PG 11 fit the burners plugs see wiring diagram on pages 28 and 30 The supply pumps and mixing valve cable...

Page 20: ...e panel board terminal strip see wiring diagrams on figs 24 26 31 33 The seven pole plug and the cable must come out from the casing through the cable clamp plate pos 1 onto which the cable glande must be fixed fig 22 TRISECAL 3P DUO 360 1200 fig 21 1 Thermometer bulb boiler 1 2 Working thermostat bulb boiler 1 3 Minimum thermostat bulb boiler 1 4 Safety thermostat bulb boiler 1 5 Bulb retaining c...

Page 21: ...e implies the observance of some foundamental rules as do not touch the appliance with wet or moist parts of the body or barefoot do not pull the electrical cables do not expose the appliance to the atmospheric agents rain sun etc do not allow the use of the boiler by untrained persons 3 2 FUNCTIONS DESCRIPTION Through the main switch 11 the panel board and the ancillary equipments connected to it...

Page 22: ...k can also control two different heating zones provided convenient flow and return manifolds are available The automatic operation is made on the base of the data detected by the boiler and storage tank sensors the flow sensor to be fitted OPTIONAL PANEL BOARD WITH OUTER COMPENSATOR WIRING DIAGRAM TYPE 21108 for TS 3P 65 to 600 4 only when a mixing valve is there and the outer and room sensors The...

Page 23: ...al F1 General fuse max 4A Ib Burner switch IG Illuminated main switch Ipi1 1st C H pump switch Ipi2 2nd C H pump switch Ipb D H W tank pump switch Pb D H W tank loading pump Pi1C H pump for direct zone Pi2C H pump for mixed zone Te Working thermostat 30 C 90 C Tm Minimum thermostat 30 C Ts High limit thermostat 100 C Vm2 Mixing valve for 2nd zone A Burner lockout warning lamp eventual B Hourmeter ...

Page 24: ...gested to adopt a shunt pump Pr to guarantee the circulation through the boiler in any possible open condition of the mixing valve see fig 28 The shunt pump Pr which will have a throughput equal at least at 50 of the C H pump and a manometric of of 1 m W G will perform also an anticondensation function limiting the too cold returns into the boiler The hydraulic schemas shown in the figs 28 29 are ...

Page 25: ...rameters which are not changeable and the parameters which are adjustable by the user according to his needs Standard System values Parameter Adjustment range 02 03 04 05 06 07 08 09 12 13 14 15 01 Outer temperature Temporary operation Nominal flow temperature circuit 1 Actual flow temperature circuit 1 Nominal flow temperature circuit 2 Actual flow temperature circuit 2 Nominal boiler temperature...

Page 26: ...ump 3 Solar panel 10 C 90 C 2 C 20 C 0 1 Off On 0 1 Off On 0 1 Off On 0 1 Off On Parameter 1 3 80 45 5 0 5 1 0 1 1 10 FACTORY SET PARAMETERS protected by a secret code 51 Boiler maximum temperature 50 C 110 C 52 Boiler minimum temperature 10 C 60 C 53 Temperature increase for D H W 0 C 50 C 54 Simplified start 10 C 50 C 55 Activation of minimum temperature limit 0 1 Off On 56 Boiler temperature hy...

Page 27: ...djustable The minimum thermostats accessible through the opening of the panel board cover switches OFF the C H pump during the reacing of the steady state and up to the obtention of 30 C within the boilers In case of three phase burner and or C H pump with a current higher than 3A convenient relays have to be foreseen between these ones and the panel board 11 Illuminated main switch 12 Burner swit...

Page 28: ... C Te2 2 2nd stage working thermostat 2nd boiler 24 C 84 C Tm1 Minimum thermostat 1st boiler 30 C Tm2 Minimum thermostat 2nd boiler 30 C Ts1 High limit thermostat 1st boiler 100 C Ts2 High limit thermostat 2nd boiler 100 C A1 A2 Additional repetition of lockout for burners 1 2 B1 B2 Additional repetition of working hour meter for 1st stage for burners 1 2 C1 C2 Additional repetition of working hou...

Page 29: ...o 1 and No 2 are optionals The mixing valve and the relevant motor are 6 2 PANEL BOARD WITH OUTER COMPENSATOR optional Note The outer compensator arrives to the customer with the manufacturer technical data already adjusted Asfarastheconnectioninstructionsanduse of the outer compensator are concerned please refer to the instruction manual supplied with the outer compensator As far as the programmi...

Page 30: ... D H W tank pump switch Ipr Recirculating pump switch Pb D H W tank loading pump Pr Shunt pump P1 C H pump for direct zone P2 C H pump for mixed zone Te1 Working thermostat 1st boiler 30 C 90 C Te2 Working thermostat 2nd boiler 30 C 90 C Tm1 Minimum thermostat 1st boiler 30 C Tm2 Minimum thermostat 2nd boiler 30 C Ts1 High limit thermostat 1st boiler 100 C Ts2 High limit thermostat 2nd boiler 100 ...

Page 31: ...ing valve see fig 35 The shunt pump Pr which will have a throughput equal at least at 50 of the C H pump and a manometric of of 1 m W G will perform also an anticondensation function limiting the too cold returns into the boiler The hydraulic schema shown in fig 35 are principle schema in case of different system circuits contact please our after sale service dept which will supply you with all th...

Page 32: ...2 FIRSTCOMMISSIONING At the commissioning stage of the boiler a qualified technician has to perform the following checks Internal and external sound test of burner and fuel feeding pipe Adjustment of the fuel throughput according to the nominal input of the boiler it is convenient to remember that the nominal input can be adjusted between the minimum and the maximum shown in the table of pages 6 t...

Page 33: ... of the water in the system At the end of the smoke circuit cleaning to the next restart check around the burner plate and the smoke chamber for smoke leaks In the case some smoke leaks were noticed first of all tighten the screws fitting the smoke and not getting result it will be necessary to replace the sealing gasket Similarly it will be necessary to act on the front door increasing at first t...

Page 34: ...n the boiler to the ambient temperature Switch Off the electrical supply to the boiler and the burner Open the front door Remove the cleaning doors from the smoke chamber Shake and remove the turbulators fig 37 every 15 20 days of activity of the boiler to avoid that the residues of combustion can stop them so much to make difficult their removal Clean the turbulators and the smoke pipes fig 37 Tu...

Page 35: ...ner needs air Accordingly wide openings are foreseen for the entry of the air in the boiler house These openings never have to be obstructed Maintain the boiler house clean and dust free The boiler is not a closet avoid to store any kind of materials Maintain the entry of the boiler free and easy to reach in any moment Ascertain that the boiler house is endowed with efficient emergency lamp ...

Page 36: ...teldario Mantova ITALIA tel 39 0376 57001 r a telefax 39 0376 660556 This catalogue is purely indicative The manufacturers reserve the right to modify technical data and any other parts of the contents AG S P A ...

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