Fer FERSYSTEM TECH 38 C Instructions For Use, Installation And Maintenance

Text of Fer FERSYSTEM TECH 38 C User Guide:

• Fer FERSYSTEM TECH 38 C, SERVICE INTERVAL RECORD It is recommended that your heating system is serviced regularly and that you complete the appropriate Service Interval Record Below. Service Provider. Before completing the appropriate Service Interval Record below, please ensure you have carried out the service as described in the boiler manufacturer’s instructions. Always use the manufacturer’s specified spare part when replacing all controls SERVICE 1 DATE ENGINEER NAME COMPANY NAME TEL No. CORGI ID CARD SERIAL No. COMMENTS SIGNATURE SERVICE 2 DATE ENGINEER NAME COMPANY NAME TEL No. CORGI ID CARD SERIAL No. COMMENTS SIGNATURE SERVICE 3 DATE ENGINEER NAME COMPANY NAME TEL No. CORGI ID CARD

• Fer FERSYSTEM TECH 38 C, 35 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) 4.5 Diagrams Head available for the system fig. 34 Key 1 - 2 - 3 = Pump selector positions (In order to obtain maximum hot water output the pump must be left in position 3). A = Boiler losses of head 0 1 2 3 4 5 6 7 0 500 1.000 1.500 2.000 Q [l/h] H [m H 2 O] A 3 1 2

• Fer FERSYSTEM TECH 38 C, 4 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) 1. OPERATING INSTRUCTIONS 1.1 Introduction Dear Customer, Thank you for choosing the FERSYSTEM TECH 38 C, a FERROLI wall-mounted boiler of the latest generation, featuring advanced design and cutting-edge technology. FERSYSTEM TECH 38 C is a high-efficiency condensing pre-mix appliance for heating and hot water production with extremely low emissions, running on natural gas or LPG. The boiler consists of an aluminium laminar heat exchanger providing effective condensation of the water vapour contained in the flue gases, permitting extremely high efficiency. Above the heat exchanger, in the boiler, there is a

• Fer FERSYSTEM TECH 38 C, 23 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) Connection to collective flues or single flues with natural draught If you are then going to connect the FERSYSTEM TECH 38 C boiler to a collective flue or a single flue with natural draught, the flue must be expressly designed by professionally qualified technical personnel in conformity with the standards and rules in force. In particular, flues must have the following characteristics: • Be sized according to the method of calculation stated in the standard • Be airtight to the products of combustion, resistant to the

• Fer FERSYSTEM TECH 38 C, 3 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) 1. OPERATING INSTRUCTIONS .................................................................4 1.1 Introduction ............................................................................................................4 1.2 Control panel ..........................................................................................................5 1.3 Turning ON and OFF ..............................................................................................6 1.4 Adjustments ..........................

• 33 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) 4.3 Hydraulic diagram fig. 33 56 44 14 32 136 1110 78 9 95 241 114 36 186 161 278 193 154 16 194 42 Key 7 Gas inlet 8 DHW outlet 9 Cold main inlet 10 CH flow 11 CH return 14 Heating Pressure Relief safety valve 16 Premix fan assembly 32 Heating pump 36 Automatic air vent 42 D.h

• Phone numbers: Installer Service Engineer BECAUSE OF OUR CONSTANT ENDEAVOUR FOR IMPROVEMENT DETAILS MAY VARY SLIGHTLY FROM THOSE QUOTED IN THESE INSTRUCTIONS. ALL SPECIFICATIONS SUBJECT TO CHANGE Please note - to avoid incurring unnecessary expense, in the event of a boiler shut down, check this is not caused by lack of electricity supply, gas supply or

• Fer FERSYSTEM TECH 38 C, 17 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) fig. 20 The user must never change the unit’s power cable. If the cable gets damaged, switch off the unit and have it changed only by professionally qualified personnel. If changing the electric power cable, use only “HAR H05 VV-F” 3x0.75 mm 2 cable with a maximum outside diameter of 8 mm. Access to the electrical terminal block Follow the instructions given in fig. 20 to access the electrical connection terminal board. The layout of the terminals for the various connections is given in the wiring diagram in the Technical Data chapter. Key 72 Room thermostat (Volt Free) 138 Outsi

• Fer FERSYSTEM TECH 38 C, 18 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) 2.6 Flue system The unit is “type C” with a sealed chamber and forced draught, the air inlet and flue outlet must be connected to one of the following flue systems. With the aid of the tables and methods of calculation indi- cated, before commencing installation, it is first necessary to check that the flue system does not exceed the maximum permissible length. The current standards and local regulations must be observed. It should be noted that only Ferroli flue system

• Fer FERSYSTEM TECH 38 C, 20 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) Connection with separate pipes fig. 24 - Examples of connection with separate pipes ( = Air / = Fumes) For connection of the separate ducts, fit the unit with the following starting accessory: C 53 C 33 C 53 B 23 C 13 Starting accessory for separate ducts Before proceeding with installation make sure the maximum permissible length has not been exceeded, by means of a simple calculation: 1. Establish the layout of the system of split flues, including accessories and outlet terminals. 2. Consult the table 4 and identify the losses i

• Fer FERSYSTEM TECH 38 C, 31 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) 4. TECHNICAL CHARACTERISTICS AND DATA 4.1 Dimensions and connections 5 System return - 22 mm with isolation valve fitted (c/w filter) 6 Pressure Relief Valve 7 Condense outlet Key 1 System flow (22 mm with isolation valve fitted) 2 DHW outlet (15 mm) 3 Gas inlet (22 mm with isolation valve fitted) 4 Cold main inlet (15 mm with isolation valve fitted) 1 2 3 4 6 5 7 76 120 120 134 194 330 450 700 97 94 54 51 80.5 73.5 179,2 231,2 eco comfort reset 1 2 3 4 0 BAR

• Fer FERSYSTEM TECH 38 C, 9 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) Economy/Comfort selection The unit is equipped with a special internal device that ensures a high hot-water delivery speed and excellent user comfort. When comfort mode is active the water in the boiler is maintained at a pre-de- termined temperature, which means that hot water is available at the boiler outlet as soon as a tap is opened, ie with no waiting. The user can turn the device off (ECO mode) by pressing (part.7 - fig.1). In ECO mode the display shows the relevant symbol (part. 12 - fig. 1). To turn on COMFORT mode, press (part.7 - fig.1) again, the ECO symbol will vanish from

• Fer FERSYSTEM TECH 38 C, 32 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) 4.2 General view and main components fig. 32 10 8 44 7 39 9 136 37 11 145 32 36 14 161 5 191 29 16 82 188 19 196 95 278 114 154 186 22 201 42 250 56 194 Key 5 Room sealed compartment 7 Gas inlet 8 DHW outlet 9 Cold main inlet 10 CH flow 11 CH return 14 Heating safety valve 16 Premix fan assembly 19 Combustion-compartment 22 Main burner 29 Internal flue collar 32 Heating pump 36 Automatic air vent 37 Cold water inlet filter 39 Cold water flow limiter 42 D.h.w. temperature sensor 44 Gas valve 56 Expansion vessel 82 Ionisation electrod

• 36 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) 4.6 Wiring diagram fig. 35 Key 16 Fan 32 Central heating pump 42 D.h.w. temperature sensor 44 Combination gas valve 62 Time clock (optional) 72 Room thermostat 81 Spark Electrode 82 Ionisation electrode 95 Diverting valve 101 Main p.c.b. 104 Fuse 114 Water pressure switch 136 Flowmeter 138 Outside temperature sensor 139 Room u

• Fer FERSYSTEM TECH 38 C, 5 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) 1.2 Control panel fig. 1 1 = Domestic Hot Water temperature setpoint decreasing push button 2 = Domestic Hot Water temperature setpoint increasing push button 3 = Central Heating water temperature setpoint decreasing push button 4 = Central Heating water temperature setpoint increasing push button 5 = Display LCD 6 = Reset / OTC push button 7 = Economy-Comfort / On-Off push button 8 = Domestic Hot Water symbol 9 = Domestic Hot Water mode operation 11 = Multi-functi

• Fer FERSYSTEM TECH 38 C, 7 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) are calling for heat. Turning off Press the (part. 7 - fig. 1) for 5 seconds. When the boiler is turned off with this key, the p.c.b is still powered, heating operation is disabled and the display is off however the frost protection will still be active. To totally isolate close the gas cock ahead of the boiler and disconnect electrical power. To avoid damage caused by freezing during long shutdowns in winter, it is advisable to drain all water from the system. To turn boiler on again, press (part.7 - fig.1) for 5 se

• Fer FERSYSTEM TECH 38 C, 12 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) 2. INSTALLATION 2.1 General Instructions This device must only be used for the purpose for which it is specially designed. This unit is designed to heat water to a temperature below boiling point and must be connected to a hea- ting system and/or a water supply system for domestic use, compatible with its performance, characteristics and its heating capacity. Any other use is considered improper. BOILER INSTALLATION MUST ONLY BE PERFORMED BY QU

• Fer FERSYSTEM TECH 38 C, 10 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) To exit the OTC mode, press reset (Part. 6 – fig. 1) for 5 seconds. fig. 13 fig. 14 Maximum boiler flow temperature Outside temperature Outside temperature Outside temperature Maximum boiler flow temperature Maximum boiler flow temperature

• Fer FERSYSTEM TECH 38 C, 8 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) 1.4 Adjustments Heating temperature setting To set the system flow temperature, use the CH push buttons (Part. 3 and 4 – fig. 1). It can be varied from a minimum of 20°C to a maximum of 90°C. Domestic hot water temperature setting To set the hot water temperature, use the DHW push buttons (Part. 1 and 2 – fig. 1). It can be varied from a minimum of 40°C to a maximum of 55°C. Room temperature adjustment (using a room thermostat ) Using the room thermostat, set the temperature desired. Controlled by the room thermostat, the boiler lights and heats the system water to the system

• Fer FERSYSTEM TECH 38 C, 6 FERSYSTEM TECH 38 C Cod. 3540U330 - 09/2009 (Rev. 00) Domestic Hot Water mode The Domestic Hot Water heat demand (generated by the DHW flow sensor or due to a Comfort request) is indicated by the flashing of the Hot Water symbol under the tap (part. 8 and 9 – fig. 1). The display indicates the actual Domestic Hot Water temperature (part. 11 – fig. 1) and during domestic hot water off time the text “d1”. 1.3 Turning ON and OFF Without main power supply To avoid damage caused by freezing during long shutdowns in winter, it is advisable to drain all water from the system. Ignition Ensure the power is on to the appliance. For th

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