Ariston Contract STI 125 Indirect Installation Instructions Manual
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- Instructions for installation and use manual (24 pages) ,
- User manual (16 pages)
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Summary of Contents for Ariston Contract STI 125 Indirect
- Page 1 Installation Instructions Type C Boilers G.C.N: 41-116-04 LEAVE THESE INSTRUCTIONS WITH THE END-USER Country of destination: GB Supplied By www.heating spares.co Tel. 0161 620 6677...
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Page 2: Table Of Contents
TABLE OF CONTENTS GENERAL INFORMATION 1.1 G ENERAL NSTRUCTIONS 1.2 O VERALL INSTALLATION 2.1 R EFERENCE TANDARDS 2.2 S ITING THE PPLIANCE 2.3 O VERALL IMENSIONS 2.4 C LEARANCES 2.5 M OUNTING THE PPLIANCE 2.6 E LECTRICAL ONNECTION 2.7 G ONNECTION 2.8 W ATER... -
Page 3: General Instructions
Read the instructions and recommendations in these Installation Instructions ENERAL NSTRUCTIONS carefully to ensure proper installation, use and maintenance of the appliance. Keep this manual in a safe place. You may need it for your own reference while our Servicing Centre technicians or your installer may need to consult it in the future. This is an appliance for the production of central heating (C.H.). -
Page 4: Overall View
VERALL EGEND Flue connector Combustion chamber hood Main heat exchanger Safety thermostat Combustion chamber Combustion chamber insulation panel Detection electrode Ignition electrodes Burner Regulation thermostat Frost thermostat Pump pressure switch Safety valve (3 bar) Automatic By-pass Gas valve Spark generator Boiler drain valve Circulation pump with automatic air release valve Expansion vessel... -
Page 5: Siting The Appliance
The appliance may be installed in any room or indoor area, although particular ITING THE PPLIANCE attention is drawn to the requirements of the current I.E.E. Wiring Regulations, and in Scotland, the electrical provisions of the Building Regulations applicable in Scotland, with respect to the installation of the appliance in a room containing a bath or shower. -
Page 6: Gas Connection
The boiler operates with alternating current, as indicated in the . 2.2 technical information table in section 7, where the maximum absorbed power is also indicated. Make sure that the connections for the neutral and live wires correspond to the indications in the diagram. - Page 7 ENTRAL EATING Detailed recommendations are given in BS 6798:1987 and BS 5449-1:1990, the following notes are given for general guidance. Copper tubing to BS EN 1057:1996 is recommended for water pipes. Jointing should be either with capillary soldered or compression fittings. Where possible pipes should have a gradient to ensure air is carried naturally to air release points and water flows naturally to drain taps.
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Page 8: Flue Connection
YSTEM ONNECTIONS The provision for satisfactory flue termination must be made in accordance with BS 5440-1. The appliance must be installed so that the flue terminal is exposed to outside air. The terminal must not discharge into another room or space such as an outhouse or lean-to. -
Page 9: Room Thermostat Connection
MPORTANT OAXIAL YSTEMS For all flue systems, a restrictor must always be inserted into the boiler’s flue connector; the restrictor must be Ø 44 in diameter depending on the length of piping indicated in T ABLE 2.1. 2.9 and F 2.10 illustrate some of the various designs for coaxial or twin pipe flue systems. -
Page 10: Electrical Diagrams
2.11 Legend: - On/Off Switch LECTRICAL IAGRAM - On/Off L.E.D. - Heating Switch - Heating L.E.D. - Reset Button - Ignition Failure (Lockout) L.E.D. A01 - Pump Pressure Switch A02 - Frost Thermostat A03 - Modulator A04 - Circulation Pump A05 - Regulation Thermostat A06 - External Control System A07 - Time Clock Connector... -
Page 11: Gas And Water Circuits
. 2.13 2.12 AS AND ATER IRCUITS EGEND . 2.14 Main heat exchanger Overheat thermostat Burner Ignition electrodes Detection electrode Regulation thermostat Frost thermostat Gas valve 10. Pump pressure switch 11. Safety valve (3 bar) 12. Boiler drain valve 13. Automatic by-pass 14. -
Page 12: Storage Cylinder
(D.H.W.). Cylinders of different CYLINDER capacities can be used depending on site requirements (see T 3.1 for a ABLE selection of ARISTON unvented cylinders). PORT AND PORT ALVE NSTALLATIONS 2 port valve installation 3 port valve installation . - Page 13 Capacity Coil C.H.W. D.H.W. Max Heating Heat Ioss Surface Flow/rate Flow/rate Output MODEL It/h kWh/24h Contract STI 125 Indirect 0.75 11.3 15.5 19.8 Comfort STI 125 Indirect 0.75 14.9 Contract STI 150 Indirect 0.93 20.5 26.2 Comfort STI 150 Indirect 0.93...
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Page 14: Domestic Hot Water Priority Kit
10 RFFI Cylinder The kit (ARISTON part number 706329) can be obtained from an ARISTON supplier. Contract STI 125 Indirect Possible The kit consits of: Comfort STI 125 Indirect Possible 1) Electronic module able to plug into the boiler’s P.C.B;... -
Page 15: Control Panel
ONTROL ANEL EGEND A - On/Off button B - On/Off L.E.D. green (frost protection active) C - Central Heating button D - Cental Heating active L.E.D. green E - Ignition failure (lockout) and/or overheat reset button F - Ignition failure (lockout) and/or overheat L.E.D. red G - Central heating temperature adjustment H - Energy Saving System (ESS) - Knock-out for time clock... -
Page 16: Initial Start Up
HE CHECKS TO BE RUN BEFORE INITIAL START UP ARE AS FOLLOWS 4.4 I NITIAL TART 1. Make sure that: - the screw on the automatic air valve has been loosened when the system is full; - If the water pressure in the system is below 1.5 bar, bring it up to the appropriate level;... -
Page 17: Draining The System
The boiler is fitted with the following devices (see section 4.2 for references). OILER AFETY YSTEMS 1 - I GNITION AILURE This indicates ignition failure when a flame is not detected within 7 seconds of starting an ignition sequence. The L.E.D. “F” will illuminate to signal the shutdown status. -
Page 18: Gas Adjustments
GAS ADJUSTMENTS ABLE Liquid Butane Gas Liquid Propane Gas CATEGORY II2H3+ Methane Gas Lower Wobbe Index (15°C;1013mbar) MJ/m 45.67 80.58 80.58 Nominal Delivery Pressure mbar Minimum Delivery Pressure mbar 10 RFFI Main Burner: n. 8 jets (ø) 1.30 0.77 0.77 Restrictor ø... -
Page 19: Maintenance
It is recommended that the following inspections be carried out on the boiler at MAINTENANCE least once a year: Check the seals for the water connections; replace any faulty seals. Check the gas seals; replace any faulty gas seals. Visual check of the entire unit. Visual check of the combustion process or analysis of combustion by-products (see section 4.5) and cleaning of the burner if needed. -
Page 20: Technical Information
TECHNICAL INFORMATION 10 RFFI CE Certification 0063BL4994 Heat Input max kW 11.6 Heat Output max kW 10.5 Efficiency of Nominal Heat Input 81.3 Efficiency at 30% of Nominal Heat Input 79.2 Heat Loss to the Casing (∆T=50°C) Flue Heat Loss with Burner Operating Flue Heat Loss with Burner Off Maximum Discharge of Fumes (G20) Kg/h...
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