Unical TRIOPREX N Series Installation, Use And Servicing Instruction Download Page 10

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Refractory cement

Ceramic fiber

Blind burner plate 330x330

Burner plate insulation gasket 330x330

ø 270

180

Refractory cement

Ceramic fiber

Blind burner plate 380x380

Burner plate insulation gasket 380x380

ø 285

200

TRIOPREX-N 1100÷1900

Output

min/max

T 1
T 2

UNI 2278 PN 16

T 3

UNI 2278 PN 16

T 4

ISO 7/1

T 5

Øi

m m

T 6

DN 150

DN 175

DN 80

DN 100

Rp 1½

350

400

TRIOPREX N

Type

Input

min/max

1012÷1198

1214÷1438

1470÷1743

1745÷2070

1580

1791

2297

2496

0,15÷0,21

0,21÷0,30

0,20÷0,28

0,27÷0,39

45÷62

61÷85

40÷55

52÷73

Smoke side

pressure

drop

m m w. c.

Maximum

boiler working

pressure

b a r

Weight

with

packaging

2444

2965

3685

4089

935÷1100

1122÷1320

1360÷1600

1615÷1900

DIMENSIONS

TRIOPREX N

Type

(*) Hydraulic resistance for delta T 15K.

fig. 12

Panel board

Smoke chamber cleaning door

Flame sight glass

T1 C.H. flow
T2 C.H. return
T3 Expansion vessel connection

T4 Boiler drain
T5 Flue connection
T6 Max. burner blast tube dia.

CONNECTIONS

m m

1462

1622

m m

2282

2652

2692

3014

m m

1542

1702

m m

190

m m

230

260

m m

290

m m

1120

1245

m m

565

605

m m

1650

1810

m m

561

661

662

m m

510

880

670

990

m m

550

700

m m

1360

1520

m m

2176

2546

2590

2910

DETAIL FOR DOOR DRILLING

TX N 1100 - 1320

DETAIL FOR DOOR DRILLING

TX N 1600 - 1900

TX N 1100

TX N 1320

TX N 1600

TX N 1900

TX N 1100

TX N 1320

TX N 1600

TX N 1900

270

285

fig. 13

fig. 14

T3-T1-T2

185

Boiler

water

content

Water side

pressure

drop (

)

m w. c.

Summary of Contents for TRIOPREX N Series

Page 1: ...26743 11 08 rev 2 TRIOPREX N INSTALLATION USE AND SERVICING INSTRUCTION to be kept by the user ...

Page 2: ...sibility 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 TRIOPREX N range have been tested and CE certified for the gas operation by TECHNIGAS BELGIUM who has recognised to these boilers the conformity...

Page 3: ...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 4: ... to the burner via a cooling line page 14 2 9 Casing assembly page 15 STANDARD PANEL BOARD page 24 3 1 Panel board type 21056 21057 functions description page 24 3 2 Electrical wiring diagram for single phase burner pump page 24 3 3 Introduction of the electronic panel board type 30688 page 25 3 4 Panel board type 30688 description of functions page 25 3 5 Electrical wiring diagram for single phas...

Page 5: ...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 NOx reduction are then reduction of combustion temperature reduction of the specific thermal input permanence time reduction of the gases in the combustion chamber reduction of oxygen concentration UNICAL to ...

Page 6: ... Weight with packaging kg 307 348 55 65 72 85 TX N 65 TX N 85 1 Panel board 2 Smoke chamber cleaning door 3 Flame sight glass T1 C H flow T2 C H return T3 Expansion vessel connection T4 Boiler drain T5 Flue connection T6 Max burner blast tube dia DIMENSIONS TRIOPREX N Type T6 Ø mm fig 2 A mm 740 740 B mm 690 950 C mm 950 950 D mm 190 190 E mm 140 140 F mm 145 145 G mm 660 660 H mm 345 345 I mm 120...

Page 7: ...5 322 408 475 Water side pressure drop m w c 0 06 0 08 0 08 0 10 0 10 0 18 0 17 0 20 0 22 0 35 0 32 0 53 5 5 7 5 12 16 9 12 12 5 17 5 9 12 15 21 Smoke side pressure drop mm w c Maximum boiler working pressure bar 5 5 5 5 5 5 Weight with packaging kg 426 503 564 621 812 906 93 110 127 150 157 185 191 225 255 300 323 380 TX N 110 TX N 150 TX N 185 TX N 225 TX N 300 TX N 380 DIMENSIONS TRIOPREX N Typ...

Page 8: ...31 425 500 535 630 620 730 TX N 500 TX N 630 TX N 730 DIMENSIONS TRIOPREX N Type TX N 500 TX N 630 TX N 730 Hydraulic resistance for delta T 15K fig 8 1 Panel board 2 Smoke chamber cleaning door 3 Flame sight glass T1 C H flow T2 C H return T3 Expansion vessel connection T4 Boiler drain T5 Flue connection T6 Max burner blast tube dia CONNECTIONS A mm 920 920 920 B mm 1605 1800 1995 C mm 1645 1645 ...

Page 9: ...iler working pressure bar 5 Weight with packaging kg 1581 714 840 DIMENSIONS TRIOPREX N Type Hydraulic resistance for delta T 15K fig 10 1 Panel board 2 Smoke chamber cleaning door 3 Flame sight glass T1 C H flow T2 C H return T3 Expansion vessel connection T4 Boiler drain T5 Flue connection T6 Max burner blast tube dia CONNECTIONS A mm 1122 B mm 2115 C mm 1432 D mm 190 E mm 195 F mm 195 G mm 1025...

Page 10: ...60 1600 1615 1900 DIMENSIONS TRIOPREX N Type Hydraulic resistance for delta T 15K fig 12 1 Panel board 2 Smoke chamber cleaning door 3 Flame sight glass T1 C H flow T2 C H return T3 Expansion vessel connection T4 Boiler drain T5 Flue connection T6 Max burner blast tube dia CONNECTIONS A mm 1462 1462 1622 1622 B mm 2282 2652 2692 3014 C mm 1542 1542 1702 1702 D mm 190 190 190 190 E mm 230 230 260 2...

Page 11: ... or brick of dimensions Q x R see dimensions table which must be flat level and of a suitable load bearing capacity to support the weight of the boiler when filled with water and any ancillary equipment Once the installation has been made the boiler must result perfectly horizontal and well stable to avoid vibrations and noise x Not shorter than the boiler body xx Sufficient to allow accessibility...

Page 12: ...ted to fit in the feeding line to the boiler a water meter for small capacities 2 5 2 C H FLOW AND RETURN CONNECTIONS The dimensions of flow and return connections are shown for each boiler model in the table DIMENSIONS Before connecting the boiler to the C H system this one has to be throughly cleaned Make sure in the system there is a sufficient number of air venter When connecting flow and retu...

Page 13: ...moke pipes at a too high temperature can cause important damages to the boiler The burner manufacturing companies are able to supply the flame dimensions developped by their burners More informations are given in the paragraph Commissioning 2 7 3 BURNER INSTALLATION Before fitting the burner it is necessary to verify the position of the tubulators inside the TX N 500 730 220 230 smoke pipes each p...

Page 14: ... equipped with a 1 8 threaded connection pos 1 on which 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...

Page 15: ...y of the casing for TX N 65 85 should be carried out in the following steps Refer to diagram on fig 18 19 for details A Fit the insulation blanket 1 onto the boiler shell and secure it in to place using the elasticated straps 2 provided ensuring that the metal clips grip in to the external surface of the insulation B Locate the side panels 3 and 4 with the lower bend inside the bottom L profiles a...

Page 16: ... 10 11 12 2 6 8 3 9 9 7 5 1 2 1 5 5 3 4 TRIOPREX N 65 85 fig 18 fig 19 TRIOPREX N 65 85 1 Thermometer bulb 2 Working thermostat bulb 3 Minimum thermostat bulb 4 Safety thermostat bulb 5 Bulb retaining clip ...

Page 17: ...anges TX N and TS 3 P before 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 frontwards 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 front panel 10 complete with t...

Page 18: ...s suitable for two different boiler ranges TX N and TS 3 P before removing the precut insulation follow the instructions supplied with the insulation it self H Fit the rear insulation pos 16 and fix the rear lower 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 rotate its cover frontwards and insert...

Page 19: ...19 TRIOPREX N 500 730 fig 22 fig 23 TRIOPREX N 500 730 1 Thermometer bulb 2 Working thermostat bulb 3 Minimum thermostat bulb 4 Safety thermostat bulb 5 Bulb retaining clip ...

Page 20: ... the upper panel 9 complete with the panel board to the side upper panels 3 5 Guide the burner plug through the side cable clamp plate 16 on the preferred side and clamp the cable using the cable clamp supplied Fix the side cable clamp plates 16 to the casing side panels 3 5 Fit the cables leaving the boiler from the back side with the plastic screws of the cable clamps 15 F Insert the thermometer...

Page 21: ...lowing sequence Ref to fig 26 pos 1 thermometer pos 2 working thermostat pos 3 high limit thermostat pos 4 minimum temperature thermostat It is recommended to introduce the bulbs up to the bottom of the bulb holder to have a better response Introduce then the contact spring pos 6 to improve the contact and secure the capillaries in position by the clip pos 5 1 Thermometer bulb 2 Working thermostat...

Page 22: ...et easy access to the bulb holders B Position the side panels 3a 3b and 4a 4b with the lower bend inside the bottom L profiles and hook them to the screws fitted to the upper profiles To determine which one of the front side panels is the left or the right ensure that the cable clamp plates 5 are positioned facing toward the front edge C Open the combustion chamber door and fit the front insulatio...

Page 23: ... on figs 30 and 31 When fitting the panel board the leads of the burner cable which has to be passed through the cable gland must be connected to the panel board terminal strip see wiring diagrams on figs 30 32 The seven pole plug and the cable must come out from the casing through the cable clamp plate pos 1 onto which the cable gland must be fixed fig 28 2 1 3 Unical TRIOPREX ...

Page 24: ...rical supply line to the boiler a switch with fuses is to be foreseen 3 STANDARD PANEL BOARD fig 29 3 2 ELECTRICAL WIRING DIAGRAM FOR SINGLE PHASE BURNER AND PUMP Te11st stage working thermostat 60 C 90 C Te22nd stage working thermostat 54 C 84 C Tm Minimum thermostat 50 C Ts High limit thermostat 100 C Pi C H pump A Burner lockout warning lamp eventual Ph Phase 230V 50Hz N Neutral F1 General fuse...

Page 25: ... direct zone C H system without mixing valve the flow sensor has not to be fitted the outer compensator controls only the pump of the C H system No 1 one zone C H system with mixing valve the flow sensor has to be fitted downstream the mixing valve the outer compensator controls the pump of the C H system No 2 two zone C H system one direct and one with mixing valve the outer compensator controls ...

Page 26: ...x 4 A 4 4 G V 6 6 7 7 8 8 9 9 10 10 2nd stage Tm Minimum thermostat Ts High limit thermostat 100 C Vm2 Mixing valve for 2nd zone A Burner lockout warning lamp eventual B Hourmeter eventual 3 5 ELECTRICAL WIRING DIAGRAM FOR SINGLE PHASE BURNER AND PUMPS Ipi2 2nd C H pump switch Ipb D H W tank pump switch Pb D H W tank loading pump Pi1 C H pump for direct zone Pi2 C H pump for mixed zone Te Working ...

Page 27: ... 08 RELAY FUNC 1 00 30 C 90 C RELAY TEMP 1 30 C 2K 10K HYST RELAY 1 5K 00 03 RELAY FUNC 2 00 00 01 OFF ON SCREED 00 OFF See explanation SCREED PROGR RETURN Default IV Value range Designation HOT WATER 00 01 OFF ON CP LOCK 01 ON 00 01 02 03 PARALLEL 00 00 C 50 C HS T DHW 20 C 5K 30K HYST DHW 5K 00 min 30 min DHW FOLLOWUP 00 min 00 01 OFF ON THERM INPUT 00 OFF 00 01 OFF ON CHARGE THROUGH 00 OFF Exit...

Page 28: ... 00 24 00 OUT TEMP DEL 1 0K 50K SLOPE OFFSET 5K 00 01 OFF ON B HEAT SINK 01 ON Exit level using RETURN Default IV Value range Designation HEATING CIRCUIT 1 00 04 HC FUNCTION 00 00 03 PUMP MODE 00 5 25 MIXER OPEN not for HW circuit 16 5 25 MIXER CLOSE not for HW circuit 12 20 C 110 C MAX FLOW T 80 C 10 C 110 C MIN FLOW T 10 C 15 C 5 C FROST PROT 0 C 0 00 24 00 OUT TEMP DEL 1 0K 50K SLOPE OFFSET 5K ...

Page 29: ...sensor code no required after input there is a restart of the controller RETURN end of INSTALLATION Start INSTALLATION Set value Save value and next value Start INSTALLATION Set value Save value and next value Acc to version GERMAN GERMAN 20 20 CONTRAST 0 Sensor weekday DISPLAY SEL Exit level using RETURN Default IV Value range Designation HOT WATER 00 01 OFF ON 1X DHW 00 OFF 10 C 70 C DHW TEMP 1 ...

Page 30: ...1 02 OPTIMIZAT 00 0 00 3 00 h M OPT TIME 2 00 h 0 00 3 00 h ECONO OPTI 0 00 h 0000 9999 PC ENABLE 0000 Default IV Value range Designation HEATING CIRCUIT 2 MODE 5 C 40 C T ROOM DES 1 20 C 5 C 40 C T ROOM DES 2 20 C Exit level using RETURN 5 C 40 C T ROOM DES 3 20 C 5 C 40 C ECONO TEMP 10 C 5 C 40 C REDUCED TEMP 15 C 5 C 40 C T LIMIT DAY 19 C 5 C 40 C T LIMIT N 10 C 0 00 3 00 HEAT SLOPE 0 8 00 01 O...

Page 31: ... Mo Tu We TH Fr 06 00 to 22 00 Sa Su 07 00 to 23 00 Value range Designation HEAT CIRCUIT 2 HEAT PROGRAM 1 FACTORY SETTING Mo Tu We TH Fr 06 00 to 08 00 16 00 to 22 00 Sa Su 07 00 to 23 00 HEAT PROGRAM 2 FACTORY SETTING Mo Tu We TH Fr 05 00 to 21 00 Sa Su 06 00 to 22 00 Value range Designation HOT WATER FACTORY SETTING Mo Tu We TH Fr 05 00 to 21 00 Sa Su 06 00 to 22 00 Value range Designation CIRCU...

Page 32: ...The hydraulic schemas shown in the figs 34 35 are principle schemas in case of different system circuits contact please our after sale service dept which will supply you with all the necessary informations 3 7 ELECTRICAL AND HYDRAULIC CONNECTIONS OF C H fig 34 In a C H installation equipped with a D H W storage tank the hydraulic schema shown in fig 35 can be used 3 8 ELECTRICAL AND HYDRAULIC CONN...

Page 33: ...ain that the turbulators are in all the smoke pipes The commissioning of the burner must be performed under the responsibility of a specialized and well trained burner technician authorised by the burner manufacturer In that occasion a commissioning report has to be filled out 4 fig 36 TX N 65 TX N 85 TX N 110 TX N 150 TX N 185 TX N 225 TX N 300 TX N 380 TX N 500 TX N 630 TX N 730 TX N 840 TX N 11...

Page 34: ... H pump it will start to rotate as soon as the minimum water temperature thermostat detects 50 C Switch the burner ON Position the working thermostats of 1st and 2nd stages to the maximum setting to create a heat request During this phase check that There are no smoke leaks from the front door the burner plate and the chimney connection There is a draught at the chimney base between 2 and 4 mm w g...

Page 35: ...iler and of the plant manometers flow and pressure switches expansion vessels and all the safety devices In this occasion it will be necessary to notice the quantity of reinstatement water used and decide also in base to its hardness an intervention of preventive descaling It must be considered that the calcium and magnesium salts dissolved in the raw water with repeated reinstatements can cause d...

Page 36: ...ration of the outer compensator if fitted These openings never have to be obstructed Maintain the boiler house clean and dust free The boiler house is not a closet avoid to store any kind of materials Maintain the entry of the boiler house free and easy to reach in any moment Ascertain that the boiler house is endowed with efficient emergency lamp Open the front door Shake and remove the turbulato...

Page 37: ...37 Note ...

Page 38: ...38 Note ...

Page 39: ...39 Note ...

Page 40: ...om Unical AG declines any liability for the inaccuriaces that may appear due to errors in trascription or printing It also reserves the right to introduce those modifications to its products that it considers necesssary or useful without compromising the essential characteristics of the said products AG S P A ...

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