Related Manuals for Baxi Potterton Sirius SAT RA
Summary of Contents for Baxi Potterton Sirius SAT RA
- Page 1 August 2010 Sirius SAT Built-in User Module Fitted for a Domestic Hot Water Storage Boiler RA – RA2Z Installation and Operating Manual Working towards a cleaner future heating specialists...
- Page 2 TO THE OWNER OF THIS POTTERTON COMMERCIAL APPLIANCE We are con dent your new POTTERTON COMMERCIAL appliance will meet all your requirements. All POTTERTON COMMERCIAL products have been designed to give you what you are looking for: good performance combined with simple and rational use. Please do not put away this booklet without reading it rst as it contains some useful information which will help you to operate your appliance correctly and ef ciently.
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Page 3: Table Of Contents
CONTENTS Description Instructions prior to installation INSTALLATION INSTRUCTIONS: HYDRAULIC CONNECTIONS Centralised system requirements Mounting the template casing Mounting the appliance Connecting the storage boiler Output/pump head performance Domestic hot water production Domestic water meter INSTALLATION INSTRUCTIONS: ELECTRICAL CONNECTIONS Electrical connections Wiring diagrams Electrical connections to the storage boiler Connecting the ambient thermostat... -
Page 4: Description
Circulation pump Casing kit to storage boiler SIRIUS SAT RA L = 600 SIRIUS SAT RA2Z L = 800 These models are tted with circulation pumps which release them from the head generated by the column pump inde- pendently feeding the internal heating circuit and the storage boiler coil circuit. -
Page 5: Installation Instructions: Hydraulic Connections
INSTALLATION INSTRUCTIONS: HYDRAULIC CONNECTIONS 3. CENTRALISED SYSTEM REQUIREMENTS Some general indications concerning the installation of the centralised heating system are shown below. For the- se types of plants, a cutting-edge bespoke design compliant with current legislation is always necessary in order to ensure ideal conditions of comfort, save energy and reduce the environmental impact. - Page 6 SIRIUS SAT B 60 SIRIUS SAT HEATING DOMESTIC HOT WATER SIRIUS SAT B 60 SIRIUS SAT DOMESTIC HEATING HOT WATER SIRIUS SAT B 60 SIRIUS SAT DOMESTIC HEATING HOT WATER HEATING UNIT WITH BOILERS IN CASCADE ARRANGEMENT Figure 1a: System diagram INSTALLATION AND OPERATING MANUAL 912.807.1 - GB...
- Page 7 SIRIUS SAT SIRIUS SAT SIRIUS SAT HOME A HOME B HOME C Figure 1b: Floor arrangement diagram The indicative diagram in gure 1b only illustrates the feed pipes of the individual user modules. The heating plant inside the zone controlled by the module must be realised by feeding the heating elements according to normal methods.
- Page 8 TABLE: HEAT DEMAND – FLOW OF WATER IN HEATING CIRCUIT DOMESTIC HOT WATER TAKE-OFF FLOW Rated heat power for Flow rate of Heating Flow rate of Heating Flow rate of Heating DHW system circuit with ∆T1 = 15 K circuit with ∆T1 = 20 K circuit with ∆T2 = 35 K (kW) (l/h)
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Page 9: Mounting The Template Casing
4. MOUNTING THE TEMPLATE CASING CASING/TEMPLATE MODEL WIDTH SIRIUS SAT MODELS SINGLE-ZONE SIRIUS SAT KIT L = 600 mm DUAL-ZONE SIRIUS SAT KIT L = 800 mm RA2Z Install SIRIUS SAT model inside the casing/template supplied in a separate pack. Make sure the template casing model is correct (L= 600 or L=800 mm). -
Page 10: Mounting The Appliance
L Casing 800 L Casing 600 Figure 3 A: connectors and sizes of SIRIUS SAT RA Figure 3 B: Connectors and sizes of SIRIUS SAT RA2Z CONNECTIONS TO CENTRALISED PLANT IP: primary inlet from centralised plant G 3 ⁄ 4” M UP: primary outlet from centralised plant G 3 ⁄... -
Page 11: Connecting The Storage Boiler
Items in the SIRIUS SAT user module pack 6. CONNECTING THE STORAGE BOILER These models can be connected to an external storage boiler tted with a primary exchanger coil. The storage boiler must be located inside the home (or zone) served by the module in order to limit the connection di- stance. - Page 12 SIRIUS SAT B 60 ISB : STORAGE BOILER COIL INLET USB : STORAGE BOILER COIL OUTLET VS : SAFETY VALVE RECIRCULATOR SIRIUS SAT Figure 4: diagram of hydraulic connections to storage boiler INSTALLATION AND OPERATING MANUAL 912.807.1 - GB...
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Page 13: Output/Pump Head Performance
7. PUMP CAPACITY/ HEAD These models are tted with a circulation pump. This silent-running high-head pump is suitable for use on any type of heating system. The pump, mounted inside the appliance, is tted out for operation at maximum speed (III). Speed I should not be used as ow rate/head performance does not satisfy normal operating conditions. -
Page 14: Domestic Water Meter
9. DOMESTIC WATER METER (available on request) A meter kit for measuring water consumption is available as an accessory. The kit comprises a SIEMENS WFH36 electronic volumetric meter with display and radio data transmission (featuring the same characteristics as the heat meter: see §18) and two connection pipes housed inside the frame of the user module in the holes made for that purpose. -
Page 15: Installation Instructions: Electrical Connections
INSTALLATION INSTRUCTIONS: ELECTRICAL CONNECTIONS 10. ELECTRICAL CONNECTIONS The appliance is sold complete with electrical connections and power cable. This machine is only electrically safe if it is correctly connected to an ef cient earth system in compliance with current safety regulations. Connect the appliance to a 230V single-phase earthed power supply using the supplied three-pin cable, observing cor- rect LIVE (L) - NEUTRAL (N) polarity. -
Page 16: Wiring Diagrams
11. WIRING DIAGRAMS 11.1 MODELS RA INSTALLATION AND OPERATING MANUAL 912.807.1 - GB... - Page 17 11.2 MODELS RA2Z INSTALLATION AND OPERATING MANUAL 912.807.1 - GB...
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Page 18: Electrical Connections To The Storage Boiler
12. WIRING THE STORAGE BOILER Depending on the models, follow the instructions below: 12.1 WALL-HUNG STORAGE BOILER BAXI SIRIUS SAT B60 To electrically connect the storage boiler and the module, proceed as follows, also consulting the instructions supplied with the storage boiler and gure 8: SIRIUS SAT module terminals T2 –... - Page 19 12.2 COMMERCIALLY AVAILABLE STORAGE BOILERS The diameter of the storage boiler thermostat trap must be greater than 7 mm. The storage boiler probe and the ow switch, supplied as accessories, must be used for this application. To electrically connect the storage boiler and the module, proceed as follows, also consulting the instructions supplied with the storage boiler and gure 9: SIRIUS SAT module terminals T2 –...
- Page 20 12.3 STORAGE BOILER WITH DHW THERMOSTAT (COMMERCIALLY AVAILABLE) This application is not recommended as it does not allow all the functions on the electrical board of the module (DHW adjustment, anti-legionellosis,…) to be used. To electrically connect the storage boiler and the module, proceed as follows, also consulting the instructions supplied with the storage boiler and gure 10: SIRIUS SAT module After unplugging the appliance, remove the cover of the external connector and replace the electric heater at the ends of...
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Page 21: Connecting The Ambient Thermostat
13. CONNECTING THE AMBIENT THERMOSTAT The system must be tted with an ambient thermostat for controlling indoor temperature. To connect this device, proceed as follows: 13.1 SINGLE-ZONE MODELS: RA harmonised cable “HAR H05 VV-F” 2 x 0.75 mm2 with a maximum diameter of 8 mm. 13.2 DUAL-ZONE MODELS: RA2Z These models are tted for two ambient thermostats in order to provide independent management of two zones at diffe- rent temperatures. -
Page 22: Connecting The Oor Overheating Thermostat
14. CONNECTING THE FLOOR OVERHEATING THERMOSTAT When connecting the user module to a system operating at low temperature, install an off-the-shelf manually resettable contact thermostat (calibrated to 50°C) in order to protect the oor system from elevated temperatures due to possible faults in the adjustment system. -
Page 23: Installing And Connecting The External Probe
15. INSTALLING ANC CONNECTING THE EXTERNAL PROBE (accessory available on request) The appliance is tted for connection to an external probe, available on request, which independently adjusts delivery temperature depending on the external temperature and the chosen curve. To mount and electrically connect this accessory, see the gure below and the instructions supplied with the external probe. -
Page 24: Connecting The Eco Crono Climate Controller
16. CONNECTING THE CLIMATE ADJUSTER: ECO CRONO (accessory available on request) The SIRIUS SAT module can be remote controlled using the ECO CRONO climate adjustor. Connect the ECO CRONO climate adjustor to the ambient thermostat 1 terminals on the electronic board, as described below: mm with a maximum diameter of 8 mm. - Page 25 TS = Domestic hot water (DHW) adjustment potentio- meter HEATING POTENTIOMETER Adjusts domestic hot water temperature. TS temperature range: 35 ÷ 65°C Factory setting: 45°C Attention: the DHW function is disabled in the rst quarter of its travel; the anti-freeze function remains. The electronic board is tted with a special function that lowers the set DHW temperature if the temperature of the system water falls below the set value (Ts =...
- Page 26 SWITCHES 4 – 5 : CLIMATE CURVE SELECTION Climate curve selection table CLIMATE CURVE Switch 4 Switch 5 Temperature range 25 ÷ 40 °C MEDIUM 50 ÷ 60 °C HIGH (*) 25 ÷ 80 °C (*) factory setting the high curve should be selected for heating elements at high temperatures: radiators the medium curve should be selected for heating elements tted with fans: fan coil units...
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Page 27: External Probe
SWITCH 6: EXTERNAL PROBE ENABLE (only for models RSP-R2Z-RS2Z) External probe enable table EXTERNAL PROBE Switch 6 With probe Without probe (*) (*) factory setting External probe Figure 14 E: External probe switch SELECTOR 7 : PUMP POST-CIRCULATION TIME Pump post-circulation time selection table POST-CIRCULATION TIME Switch 7 4 HOURS... -
Page 28: Installation Instructions: Heat Metering
INSTALLATION INSTRUCTIONS: HEAT METERING 18. HEAT METERING The modules are supplied standard with a SIEMENS MEGATRON electronic heat meter. This device measures heat consumption in the zone controlled by the user module. The electronic unit features an 8-digit LCD display. The 3 Vdc input voltage is provided by a lithium battery (lifetime 8 years). -
Page 29: Automatic Measurement System Via Radio
19. AUTOMATIC MEASUREMENT SYSTEM VIA RADIO This system allows all the consumption data of the building to be handled from a single station, thus reducing measure- ment times whilst protecting user privacy. Transmission frequency is the 868 MHz established by the national radio tran- smission plan (European standard). - Page 30 FLOOR AERIAL RADIO TRANSMISSION 868 MHZ SIRIUS SAT SIRIUS SAT HOME A HOME B RADIO TRANSMISSION 868 MHZ SIRIUS SAT SIRIUS SAT HOME A HOME B RADIO TRANSMISSION 868 MHZ FLOOR AERIAL SIRIUS SAT SIRIUS SAT HOME A HOME B RADIO TRANSMISSION 868 MHZ GSM PHONE TRANSMISSION...
- Page 31 LOCAL TRANSMISSION LOCAL TRANSMISSION VIA “SERIAL LINE” VIA “RADIO” AERIAL WTT16 AERIAL WTT16.232 3) TRANSMISSION VIA “GSM” REMOTE OFFICE AERIAL WTX16.GSM MODEM APARTMENT BLOCK TO METER Figure 16 B: Measurement options INSTALLATION AND OPERATING MANUAL 912.807.1 - GB...
- Page 32 19.1 START-UP Start-up of the radio system comprises several steps: a start-up signal to the WTT16 aerials. blue button on each WTT16 aerial). 19.2 OPERATING PROCEDURE During automatic system operation, the WTT16 aerials and the GATEWAY WTX16.GSM aerial exchange the consumption data of the meters on a daily basis in order to allow each single aerial to store the data of the entire building.
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Page 33: Start-Up And Operating Instructions
START-UP AND OPERATING INSTRUCTIONS 20. FILLING THE SYSTEM Before starting the user module, open the on/off valves on the hydraulic connectors and check the system lling pressure in the boiler room and distribution columns (< 3 bar). The centralised plant must have an automatic lling device. 21. -
Page 34: Start-Up
22. OPERATING PROCEDURE 22.1 STARTING To start the appliance correctly, proceed as follows: Following a heat demand from the ambient thermostat, the water from the centralised system begins to circulate in the heating elements of the zone controlled by the user module. For dual-zone models (RA2Z) the heating bands of two zones can be managed separately by the relative ambient ther- mostats (or with the ECO CRONO climate adjustor). -
Page 35: Electronic Board Signals
23. ELECTRONIC BOARD SIGNALS The LED’s on the electronic board display the operating status and any system blocks. Key to LED’s: COLOUR LED STATUS OPERATING STATUS NO ALARMS FLASHING EXTERNAL PROBE FAULTY 1 FLASH EVERY 3S FLASHING DOMESTIC HOT WATER PROBE FAULTY FLASHING HEATING PROBE FAULTY ON/OFF VALVE NOT OPEN (Y1) - Page 36 Safety thermostat tripping Red LED Green LED Red LED Green LED Red LED Green LED Figure 17: Electronic board signals INSTALLATION AND OPERATING MANUAL 912.807.1 - GB...
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Page 37: Maintenance Instructions
MAINTENANCE INSTRUCTIONS For regular and cost-effective operation of the user modules, they must be periodically checked and overhauled appro- ximately once every two years. To clean the storage boiler (removing scale from the exchanger coil) consult the instructions manual of the appliance. 24. -
Page 38: Circuit Diagram
25. FUNCTIONAL CIRCUIT DIAGRAM 25.1 MODEL RA Y1 ON-OFF valve Y2 Mixing valve Y3 3-way valve DHW/heating P1 Heating - storage boiler pump C1 Meter B4 NTC heating probe INSTALLATION AND OPERATING MANUAL 912.807.1 - GB... - Page 39 25.2 MODEL RA2Z Y1 ON-OFF valve Y2 Mixing valve Y3 3-way valve DHW/heating Y4 ON-OFF valve P1 Low temperature heating pump P2 High temperature heating pump C1 Meter B4 NTC heating probe INSTALLATION AND OPERATING MANUAL 912.807.1 - GB...
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Page 40: Disposal
Sales: Baxi Commercial Division 0845 070 1056 Wood Lane, Erdington, Birmingham B24 9QP Technical: Email: andrews@baxigroup.com heating specialists 0845 070 1057 www.andrewswaterheaters.co.uk...