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

Unical TRISECAL 3P Series Installation, Use And Servicing Instruction

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TRISECAL 3P
TRISECAL 3P DUO
INSTALLATION, USE AND
SERVICING INSTRUCTION
(to be kept by the user)
aaaaa - 07/04

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Summary of Contents for Unical TRISECAL 3P Series

  • Page 1 TRISECAL 3P TRISECAL 3P DUO INSTALLATION, USE AND SERVICING INSTRUCTION (to be kept by the user) aaaaa - 07/04...
  • Page 2 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 conformity certificate according to the following directives: Gas Appliances Directive (90/396 CE), compulsory as per 1st January 1996;...
  • Page 3: Table Of Contents

    CONSTRUCTIONAL-DIMENSIONAL TECHNICAL CHARACTERISTICS ....page Construction of the TRISECAL 3P boilers ......page Working principle ..............page Dimensions and hydraulic connections ........ page INSTALLATION ..............page Packaging ................page Handling ................. page Positioning in the boiler house ..........page Connection to the chimney ........... page Water connections ..............
  • Page 4 Installation and Servicing Instructions or as otherwise recommended by Unical in writing. If in doubt please inquire. Any direct connection of a control device not approved by Unical could invalidate the certification and the normal appliance warranty.
  • Page 5: Constructional-Dimensional Technical Characteristics

    UNICAL, to reduce the NOx formation on the with the combustion air. TS 3P range of boilers, has adopted the In this way the partial oxygen pressure is...
  • Page 6 1.3 - DIMENSIONS AND HYDRAULIC CONNECTIONS TRISECAL 3P 65÷90 1 Panel board T1 C.H. flow T4 Boiler drain 2 Smoke chamber cleaning door T2 C.H. return T5 Flue connection fig. 2 3 Flame sight glass T3 Expansion vessel connection T6 Max. burner blast tube dia. TRISECAL 3P Output Input...
  • Page 7 TRISECAL 3P 120÷350 1 Panel board T1 C.H. flow T4 Boiler drain 2 Smoke chamber cleaning door T2 C.H. return T5 Flue connection fig. 4 3 Flame sight glass T3 Expansion vessel connection T6 Max. burner blast tube dia. Output Input Boiler Water side...
  • Page 8 TRISECAL 3P 450÷600 1 Panel board T1 C.H. flow T4 Boiler drain 2 Smoke chamber cleaning door T2 C.H. return T5 Flue connection fig. 7 3 Flame sight glass T3 Expansion vessel connection T6 Max. burner blast tube dia. Output Input Boiler Water side...
  • Page 9 TRISECAL 3P DUO 360÷700 fig. 9 TRISECAL 3P DUO 900÷1200 fig. 10 T1 C.H. flow T3 Expansion vessel connection T5 Flue connection T2 C.H. return T4 Boiler drain T6 Max. burner blast tube dia. Ass.y Output Input Boiler Water side Smoke side Pressione TS/3P DUO...
  • Page 10: Installation

    INSTALLATION 2.1- PACKAGING turbulators extractor. The TS 3P boilers are supplied complete with code(s) shown on pages 14. ceramic fiber rope for the insulation between door and smoke chamber already fitted, whilst In addition to the a. m. panel board, packaged the door and burner blast tube.
  • Page 11: Connection To The Chimney

    2.4 - CONNECTION TO THE The different connections must be sealed with make reference to the local and national rules CHIMNEY an approved boiler putty so that the inlet of in force. fresh air, with consequent increase of the In the flue pipe, between the boiler and The chimney has a foundamental importance possibility of condensate formation, is avoided.
  • Page 12: Connection Of The Expansion Pipe And Vessel

    2.5.6 - CONNECTION OF THE EXPANSION PIPE AND VESSEL The total volume of the water contained in the system. An expansion vessel is always necessary, to The maximum working pressure of the compensate the water volume increase due system (see setting of PRV). to the heating.
  • Page 13: Burner

    2.7 - BURNER L (min.) øA BOILER TYPE Because the TRISECAL 3P are of pressurized TS/3P 65÷150 type boilers, special attention has to be put in the choice of the oil or gas burner. TS/3P 180÷350 The burners fitted onto these boilers must TS/3P 450÷600 be CE approved.
  • Page 14: Casing Assembly

    2.9 - CASING ASSEMBLY N.B. It is suggested to verify that the boiler is positioned in its final place and that all the hydraulic connections are made correctly BOILER COMPLETE CASING CASING INSULATION before starting the casing assembly. TYPE CASING packaging “A”...
  • Page 15 TRISECAL 3P 65÷90 fig. 14 TRISECAL 3P 65÷90 1 Thermometer bulb 2 Working thermostat bulb 3 Minimum thermostat bulb fig. 15 4 Safety thermostat bulb 5 Bulb retaining clip...
  • Page 16 Assembly of the casing for TS 3P 120 to 350 should be carried out in the following steps: Refer to diagram on fig. 16 & 17 for details: A) Fit the insulation blanket (1) onto the boiler E) After removal of the two side screws from (14) and fit them at the top front corner of the panel board rotate its cover towards shell and secure it in to place using the...
  • Page 17 TRISECAL 3P 120÷350 1 Thermometer bulb 2 Working thermostat bulb 3 Minimum thermostat bulb fig. 17 4 Safety thermostat bulb 5 Bulb retaining clip Assembly of the casing for TS 3P 450 to 600 should be carried out in the following steps: Refer to diagram on fig.
  • Page 18 TRISECAL 3P 450÷600 fig. 18 TRISECAL 3P 450÷600 1 Thermometer bulb 2 Working thermostat bulb 3 Minimum thermostat bulb fig. 19 4 Safety thermostat bulb 5 Bulb retaining clip...
  • Page 19 Casing mounting sequence for TS/3P DUO (Ref. figs. 20 & 21) N.B. It is suggested to verify that the boiler is (for the supply, the burners, the pumps, the from behind). positioned in its final place and that all the mixing valves) and the capillaries of the We recommend to push all the probes to the thermostats through the hole on the base of...
  • Page 20 TRISECAL 3P DUO 360÷1200 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 clip 6 Thermometer bulb boiler 2 7 Working thermostat bulb boiler 2 8 Minimum thermostat bulb boiler 2 fig.
  • Page 21: Standard Panel Board

    STANDARD PANEL BOARD (WIRING DIAGRAM TYPE 21058 FOR TS 3P 65 TO 180 AND 21059 FOR TS 3P 240 TO 600) output required by the boiler and its auxiliary do not expose the appliance to the 3.1 - ELECTRICAL SUPPLY equipment.
  • Page 22: Optional Panel Board

    The mixing valve and the relevant motor are several heating system configurations: The TRISECAL 3P boilers can be supplied not supplied by Unical. one direct zone C.H. system without with an electronic panel board complete with mixing valve: the flow sensor has not to a digital outer compensator with built-in be fitted;...
  • Page 23: Panel Board With Outer Compensator (On Request)

    As far as the C.H. installation data are con- adjusted by UNICAL. As far as the wiring and the using cerned, please refer to the chapter 4.5 of this manual.
  • Page 24: Electrical And Hydraulic Connections Of C.h

    SENSOR CONNECTION ONTO THE OUTER COMPENSATOR TERMINAL STRIP fig. 27 4.3 - ELECTRICAL AND HYDRAULIC CONNECTIONS OF C.H. In the fig. 28 the typical connection of the boiler to C.H. system with two heating zones, of which one is with motorized mixing valve. Both, the heating zones are controled by an outer compensator.
  • Page 25: Electrical And Hydraulic Connections Of C.h

    4.4 - ELECTRICAL AND HYDRAULIC CONNECTIONS OF C.H. AND D.H.W. PRODUCTION CIRCUIT In a C.H. installation equipped with a D.H.W. storage tank, the hydraulic schema, shown in fig. 29, can be used. Note: Also in this case the remarks made in the previous paragraph are applicable, i.e.: the adoption of a shunt pump (Pr).
  • Page 26 FACTORY SET PARAMETERS (protected by a secret code) N° Parameter Adjustment range Standard System values Introduction of the numeric code 0000-9999 ----- Numeric code 0000-9999 ----- Bus code for heating circuit 1 (HK1) 0-15 ----- Bus code for heating circuit 1 (HK2) 0-15 Anti frost temperature (-5)°C - (+5)°C...
  • Page 27: Standard Panel Board For Ts/3P Duo

    STANDARD PANEL BOARD FOR TS/3P-DUO (code nr. 21076 - for TS/3P DUO 360 to 1200) 5.1 - FUNCTIONS DESCRIPTION Through the main switch 11 the panel board The differential between the switching points On the electrical supply line to the boiler a and all the equipments connected to it will of the two double pole is 6°C (not adjustable).
  • Page 28: Electrical Wiring Diagram For Single Phase Burner And Pump

    5.2 - ELECTRICAL WIRING DIAGRAM FOR SINGLE PHASE BURNER AND PUMP Ph Phase (230V ~ 50Hz) Te1(1) 1 stage working thermostat (1 boiler) Tm1 Minimum thermostat 1 boiler (30°C) N Neutral (30°C÷90°C) Tm2 Minimum thermostat 2 boiler (30°C) F1 General fuse (max 4A) Te1(2) 2 stage working thermostat (1 boiler )
  • Page 29: Introduction

    PANEL BOARD FOR TS/3P-DUO (OPTIONAL) (code nr. 21110 - for TS/3P DUO 360 to 1200) 6.1 - INTRODUCTION not supplied by Unical. external temperature. The outer compensator, then, will act onto The TS/3P-DUO boilers can be supplied with the burner and/or onto the mixing valve and an electronic panel board complete with a onto the C.H.
  • Page 30 WIRING DIAGRAM OF A PANEL BOARD WITH OUTER COMPENSATOR Ph Phase (230V ~ 50Hz) Pb D.H.W. tank loading pump Ts1 High limit thermostat 1 boiler (100°C) N Neutral Pr Shunt pump Ts2 High limit thermostat 2 boiler (100°C) F1 General fuse (max 4A) P1 C.H.
  • Page 31: Electrical And Hydraulic Connections Of C.h. And D.h.w. Production Circuit

    6.3 - ELECTRICAL AND HYDRAULIC CONNECTIONS OF C.H. AND D.H.W. PRODUCTION CIRCUITS In the fig. 35 the typical connection of the Remember that all the TRISECAL 3P boilers The hydraulic schema shown in fig. 35 are boiler to C.H. system with two heating zones, are for forced circulation.
  • Page 32: Commissioning And Operation

    COMMISSIONING AND OPERATION The TRISECAL 3P boilers have been designed chamber. to be used in sliding temperature to improve Do not use automatic filling valves. the seasonal efficiency in all type of C.H. The commissioning of the burner must be systems.
  • Page 33: Switch Off Of The Boiler

    position). 7.3 - SWITCH OFF OF THE If it is decided not to use the boiler for a Leave the pumps working up to when they long period close also the gate valves of BOILER are not stopped by the minimum the fuel.
  • Page 34: Extraordinary Maintenance

    fig. 36 8.3 - EXTRAORDINARY After the cleaning of the smoke circuit it some alive mortar that has an hygroscopic is convenient to pass in the smoke pipes action. MAINTENANCE and in the furnace with a rag soaked of Do not empty the C.H. system and the diluted solution of caustic soda.
  • Page 35: Check Of The Burner Operation

    See the burner instruction manual. 8.6 - CHECK OF THE Follow all the local requirement in terms BURNER OPERATION of burner maintenance . 8.7 - BOILER HOUSE the entry of the air in the boiler house. Maintain the entry of the boiler free and easy These openings never have to be obstructed.
  • Page 36 S.P.A. 46033 Casteldario - 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.

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