REMEHA Gas 320 Ace 285 Installation And User Manual Download

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Remeha Commercial UK

Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham

+44 (0)118 978 3434

+44 (0)118 978 6977

[email protected]

7734324 - v.03 - 29092020

7734324

Summary of Contents for Gas 320 Ace 285

Page 1: ...United Kingdom en Installation and User Manual High efficiency standing gas boiler Gas 320 Ace Gas 620 Ace HMI T control SCB 01 SCB 02...

Page 2: ...sing the product and keep it in a safe place for later reference In order to ensure continued safe and efficient operation we recommend that the product is serviced regularly Our service and customer...

Page 3: ...ir supply pipes 20 4 5 5 Additional guidelines 22 4 6 Requirements for the electrical connections 23 4 7 Water quality and water treatment 23 4 8 Installation examples 23 4 8 1 How to use the installa...

Page 4: ...odes 69 10 1 2 Warning 69 10 1 3 Blocking 70 10 1 4 Locking 73 10 2 Error history 77 10 2 1 Reading out and clearing the error memory 77 11 User instructions 79 11 1 Start up 79 11 2 Accessing the use...

Page 5: ...he gas supply 3 Open the windows 4 Trace possible leaks and seal them off immediately 5 If the leak is upstream of the gas meter notify the gas company Danger If you smell flue gases 1 Switch the boil...

Page 6: ...e gas pipes can rise to over 60 C Warning Do not touch radiators for long periods Depending on the boiler settings the temperature of the radiators can rise to over 60 C Warning Be careful when using...

Page 7: ...e appliance Cleaning and user maintenance should not be carried out by children without adult supervision Warning Installation and maintenance of the boiler must be carried out by a qualified installe...

Page 8: ...our home for a long time and there is a chance of frost The frost protection does not work if the boiler is out of operation The boiler protection only protects the boiler not the system Check the wat...

Page 9: ...the appliance 1 3 2 Installer s liability The installer is responsible for the installation and initial commissioning of the appliance The installer must observe the following instructions Read and f...

Page 10: ...explain your installation to you Have the required inspections and maintenance carried out by a qualified installer Keep the instruction manuals in good condition close to the appliance 1 Safety 10 7...

Page 11: ...pecial instructions marked with specific symbols Please pay extra attention when these symbols are used Danger Risk of dangerous situations that may result in serious personal injury Danger of electri...

Page 12: ...components 1 Burner 2 Ignition ionisation transformer 3 Heat exchanger 4 Inspection hatch 5 Air inlet connection 6 Flame inspection glass 7 Ignition ionisation electrode 8 Heat exchanger temperature s...

Page 13: ...onnector 5 Control box rear part for expansion PCBs with wire connections 6 Control box front part for the control unit and connectivity expansion PCBs 1 Temperature sensor external control immersion...

Page 14: ...nnection between devices The local bus provides communication between devices S Bus System Bus Connection between appliances The system bus provides communication between appliances R Bus Room unit Bu...

Page 15: ...e boiler When choosing the best installation location consider The regulations The required installation space The required space around the boiler for good access and to facilitate maintenance The pe...

Page 16: ...3 Flushing the system The installation must be cleaned and flushed in accordance with BS 7593 2019 and BSRIA BG 33 2014 Before a new boiler can be connected to a system the entire system must be thor...

Page 17: ...of Air from the installation area The air supply opening of the boiler must stay open The installation area must be vented to ensure sufficient air supply The vents must not be obstructed or shut off...

Page 18: ...um permissible recirculation of 10 The air supply and the flue gas outlet must not be placed on opposite walls Minimum permitted pressure difference between the air supply and the flue gas outlet is 2...

Page 19: ...and connection methods may vary depending on the manufacturer It is not permitted to combine pipes coupling and connection methods from different manufacturers This also applies to roof feed throughs...

Page 20: ...to another diameter The boiler also supports other flue lengths and diameters than those specified in the tables Contact us for more information Room ventilated system B23 B23P With a room ventilated...

Page 21: ...Ace 575 68 m 100 m 1 Gas 320 Ace 650 48 m 100 m 1 1 While maintaining maximum length additional 5 times 90 or 10 times 45 bends can be used indicated for each boiler type and diameter L Combined leng...

Page 22: ...5 times 90 or 10 times 45 bends can be used indicated for each boiler type and diameter Reduction table Tab 18 Pipe reduction for each bend radius 1D parallel Diameter 250 mm 300 mm 350 mm 400 mm 45 b...

Page 23: ...and standards Electrical connections must always be made with the power supply disconnected and only by qualified installers The boiler is completely pre wired Never change the internal connections o...

Page 24: ...ultiple digits to identify the type of connection A Heat demand device B Bridge These connectors must be bridged Some bridges are already factory fitted some need to be fitted for the specific install...

Page 25: ...Tab 20 Producer Number Description 00 Empty no producer 01 Boiler with primary heating circuit no pump 02 Boiler with primary heating circuit internal pump 03 Boiler with primary heating circuit exter...

Page 26: ...alves 20 Gas boiler and heat pump serial connected 21 Gas boiler and heat pump parallel connected Tab 21 Connection Number Description 00 Empty no connection 01 Direct connection 02 Low loss header 03...

Page 27: ...ter tank internal 12 Underfloor heating mixing 13 Heat interface unit Tab 25 Zone 4 DHW SCB 10 required Number Description 00 Empty no zone 01 Domestic hot water tank with one sensor and pump 02 Domes...

Page 28: ...Symbol Explanation Symbol Explanation Outdoor temperature sensor Temperature sensor Safety thermostat Electrical cable Tab 30 Heat demand sources Symbol Explanation Symbol Explanation Room thermostat...

Page 29: ...001475 01 AD 3001432 01 1 3 2 AD 3001538 01 1 2 AD 3001486 01 A CB 01 Tout SCB 02 R Bus B 1 CB 01 BL 1 SCB 02 N SCB 02 L N 2 SCB 02 L N SCB 02 Tdhw 3 SCB 02 Tflow 1 Bridge These connectors must be bri...

Page 30: ...irect connection Direct circuit Domestic hot water tank with one sensor and pump Producer Connection CircA CircB 01 01 01 10 00 00 00 AD 3001435 01 A AD 3001437 01 A AD 3001484 01 AD 3001475 01 AD 300...

Page 31: ...tion Setup SCB 02 CIRCA 1 Parameters counters signals Parameters 1 Direct Tab 38 CircB parameters to be set Code Display text Menu path Set to CP021 Zone Function Installation Setup SCB 02 CIRCB 1 Par...

Page 32: ...sing by lifting up the front panel and taking it off 4 Adjust the levelling feet to level the boiler 5 Check if the boiler is resting solely on the levelling feet transport wheels must be off the floo...

Page 33: ...on 3 Fit a plastic drain pipe of 32 mm or larger to the siphon terminating in the drain 5 4 Connecting the gas pipe For boiler Gas 620 Ace apply the instructions to each boiler module The gas pipe mus...

Page 34: ...n The pipes must not be resting on the boiler Fit the horizontal parts sloping down towards the air supply outlet 5 6 Electrical connections 5 6 1 PCB locations This illustration shows the location fo...

Page 35: ...ler 1 Connect the PWM pump to the PWM terminals of the connector Important Contact us for more information Analogue input This input has two modes control based on temperature or based on heat output...

Page 36: ...sensor An outdoor temperature sensor can be connected to the Tout connector Always connect the sensor to the PCB that controls the zones For example when the zones are controlled by an SCB 02 or SCB 1...

Page 37: ...tion Only suitable for potential free contacts dry contact The boiler has a release input A potential free contact can be connected to the RL terminals of the connector If the contact is closed during...

Page 38: ...possible use the pump modulation signal This provides the most accurate pump control If the automatic burner unit does not support pump modulation the pump will behave as an on off pump 5 6 4 The SCB...

Page 39: ...figured as required Depending on the setting a particular status can be transmitted by the boiler Connect a relais as follows Nc Normally closed contact Contact will open when status occurs C Main con...

Page 40: ...ostats The R Bus connector can be used to connect a room thermostat The connector supports the following types R Bus thermostat for example the eTwist OpenTherm thermostat for example the iSense OpenT...

Page 41: ...turn off the main power before working on the electrical connections Make sure the following requirements are met when connecting the power cable Tab 41 Power connection Wire cross section Stripping l...

Page 42: ...the control box front part Caution Make sure the cable routing matches the illustration when closing the control box Fig 67 Cable routing in the control box front part AD 3001768 01 5 Installation 42...

Page 43: ...p to the mark via the condensate collector 2 Put the sealing cap back on the condensate collector 6 1 3 Preparing the gas circuit Warning Ensure that the boiler is disconnected from the power supply 1...

Page 44: ...Tiles the selected tile is highlighted 2 Date and time Name of the screen actual position in the menu 3 Information about the selected tile 4 Error indicator only visible if an error has been found 5...

Page 45: ...nabled DHW operation is disabled The burner is on The burner is off Burner output level 1 to 5 bars with each bar representing 20 output The pump is running Three way valve indicator Display of the sy...

Page 46: ...Tab 45 Icons Zones Icon Description All zones groups icon Living room icon Kitchen icon Bedroom icon Study icon Cellar icon 6 Preparation of commissioning 46 7734324 v 03 29092020...

Page 47: ...00 4100 GP007 Fan RPM Max CH Maximum fan speed during Central Heating mode 5200 5500 3500 3800 4300 4100 GP008 Fan RPM Min Minimum fan speed during Central Heating Domestic Hot Water mode 1400 1550 95...

Page 48: ...ll load 1 Set the boiler to full load 2 Measure the percentage of O2 CO2 in the flue gases 3 Compare the measured value with the checking values in the table Tab 48 Checking setting values for O2 CO2...

Page 49: ...the button to change the load test mode 2 If the full load test was finished select the tile to restart the chimney sweep menu A Change load test mode B Low power 3 Select the Low power test in the me...

Page 50: ...to the nominal value Increasing the gas flow will decrease O2 and increase CO2 The direction in which the adjusting screw must be turned to increase or decrease the gas flow is indicated on the gas c...

Page 51: ...7 3 1 Saving the commissioning settings You can save all current settings on the control panel These settings can be restored if necessary for example after replacement of the control unit 1 Press the...

Page 52: ...ected by an access code Only the installer is allowed to modify these parameters 1 Select the tile 2 Press the button to confirm the selection 3 Use the rotary knob to select code 0012 4 Press the but...

Page 53: ...h Basic installer Installation Setup CU GH Submenu 1 Parameters counters signals Parameters 1 See the column Submenu in the following table for the correct navigation The parameters are grouped in spe...

Page 54: ...0 Scheduling 1 Manual 2 Antifrost 3 Temporary Direct zone 0 0 0 0 0 0 CP510 Temporary Room Setp Temporary room setpoint per zone 5 30 C Direct zone 20 20 20 20 20 20 CP550 Zone fire place Fire Place m...

Page 55: ...Gas fired ap pliance 2550 0 2550 0 2550 0 2550 0 2550 0 2550 0 AP010 Service noti fication Select the type of service notification 0 None 1 Custom notifi cation 2 ABC notifica tion Gas fired ap plian...

Page 56: ...RoomT Holiday Wished room zone tem perature on holiday period 5 20 C Direct zone 6 6 6 6 6 6 CP070 MaxRedu ce dRoomT Li m Max Room Temperature limit of the circuit in re duced mode that allows switchi...

Page 57: ...room based Direct zone 0 0 0 0 0 0 EP014 SCB func 10V PWMin Smart Control Board func tion 10 Volt PWM input 0 Off 1 Temperature control 2 Power control 0 10 volt input 0 0 0 0 0 0 GP007 Fan RPM Max CH...

Page 58: ...p pliance 0 0 0 0 0 0 AP026 Setpoint manual HD Flow temperature setpoint for manual heat demand 7 90 C Gas fired ap pliance 40 40 40 40 40 40 AP063 Max CH flow setpoint Maximum central heating flow te...

Page 59: ...293 9 353 1 427 1 496 2 565 9 642 GP022 Tfa Filter Tau Tau factor for average flow temperature calculation 0 255 Gas fired ap pliance 1 1 1 1 1 1 GP042 Fan RPM Max Maximum fan speed 0 65535 Rpm GVC P...

Page 60: ...one activ ity 5 30 C Direct zone 16 16 16 16 16 16 CP082 User T Room Ac tivity Room setpoint tempera ture of the user zone activ ity 5 30 C Direct zone 16 16 16 16 16 16 CP083 User T Room Ac tivity Ro...

Page 61: ...61 Factory settings at installer level Code Display text Description Adjustment range Subme nu 570 710 860 1000 1150 1300 AP001 BL function BL input function selection 1 Full blocking 2 Partial blocki...

Page 62: ...ng used for heat up speed 0 10 Outdoor tempera ture 3 3 3 3 3 3 AP080 Frost min out temp Outside temperature be low which the antifreeze protection is activated 30 20 C Outdoor tempera ture 10 10 10 1...

Page 63: ...tinue heat demand Direct zone 0 0 0 0 0 0 CP470 Zone screed drying Setting of the screed dry ing program of the zone 0 30 Days Direct zone 0 0 0 0 0 0 CP480 ScreedStart Temp Setting of the start tempe...

Page 64: ...20 PP023 CH Hystere sis Temperature hysteresis for the generator to start on central heating 1 25 C Gas fired ap pliance 10 10 10 10 10 10 Tab 62 Navigation for advanced installer level Level Menu pat...

Page 65: ...0 Rpm Gas fired ap pliance 5200 5500 3500 3800 4300 4100 DP010 Hysteresis DHW Temperature hysteresis for the heat generator to start on domestic hot wa ter production 1 10 C Gas fired ap pliance 5 5 5...

Page 66: ...cy cle time Minimum heat generator holding time that can be reached after a stop 1 20 Min Gas fired ap pliance 3 3 3 3 3 3 PP012 Stabilization time Stabilization time after heat generator start for ce...

Page 67: ...lace defective or worn parts with original spare parts Not doing so will void warranty During inspection and maintenance work always replace all gaskets on the parts removed Check whether all gaskets...

Page 68: ...If you need to remove the boiler proceed as follows 1 Switch off the boiler 2 Cut the power supply to the boiler 3 Close the main gas valve 4 Close the water mains 5 Close the gas valve on the boiler...

Page 69: ...ation the control panel shows 1 The display will show a corresponding code and message 2 The status LED of the control panel will show Continuous green Normal operation Flashing green Warning Continuo...

Page 70: ...ction check the wiring and connec tors Faulty sensor replace the sensor H 00 17 DHW sensor Closed Domestic Hot Water tank tempera ture sensor is either shorted or measures a temperature above range Do...

Page 71: ...p Grad Level3 Maximum CH temperature gradient level3 exceeded Maximum heat exchanger temperature increase has been exceeded No flow or insufficient flow Check the circulation direction pump valves Che...

Page 72: ...h CU type Configuration error Reset CN1 and CN2 H 02 09 Partial block Partial blocking of the device recog nized Blocking input active or frost protection active External cause remove external cause W...

Page 73: ...nd setting of the gas valve unit Check that the air supply inlet and flue gas outlet are not blocked Check that there is no recirculation of flue gases H 03 05 Internal blocking Gas Valve Control inte...

Page 74: ...that the sensor has been correctly fitted Faulty sensor replace the sensor E 00 21 TFlue Gas Closed Flue gas temperature sensor is ei ther shorted or measures a tempera ture above range Flue gas sens...

Page 75: ...ety device lost Safety critical device has been dis connected Communication fault Carry out an auto detect E 02 47 Failed Conn Funct Gr Failed Connecting Function Groups Function group not found Carry...

Page 76: ...n valve does not open Siphon blocked or empty Check that the air supply inlet and flue gas outlet are not blocked Check the cleanliness of the heat exchanger E 04 09 TFlue Sensor Deviation in flue sen...

Page 77: ...e Blocked The flue gas pipe is blocked Flue gas outlet is blocked Check that the flue gas outlet is not blocked Restart the boiler E 04 17 GasValve Driver Err The driver for the gas valve is bro ken G...

Page 78: ...code a short description and the date 8 Use the rotary knob to select the error code you want to investigate 9 Press the button to confirm the selection The display shows an explanation of the error...

Page 79: ...n to the home screen 11 3 Heating circuit configuration For every heating circuit there is a quick user settings menu available Select the heating circuit you want to configure by selecting the tile o...

Page 80: ...e Set the current date and time Select Country and Language Select your country and language Daylight Saving Time Enable or disable daylight saving time Installer Details Read out the name and phone n...

Page 81: ...mber is shown 11 7 Shut down Shut down the boiler as follows 1 Turn off the boiler using the on off switch 2 Shut off the gas supply 3 Keep the installation frost free Do not shut down the boiler if t...

Page 82: ...11 9 Cleaning the casing 1 Clean the outside of the appliance using a damp cloth and a mild detergent 11 User instructions 82 7734324 v 03 29092020...

Page 83: ...ction pressure mbar United Kingdom I2H G20 H gas 20 12 1 2 Directives In addition to the legal requirements and guidelines the supplementary guidelines in this manual must also be followed Supplements...

Page 84: ...board power supply 5 SCB zone expansion board power supply 6 CB 01 connection board power supply X19 and CAN connections X36 and X39 7 SCB expansion board CAN connections X37 1 X37 7 8 Service connec...

Page 85: ...Total length 1862 mm 2172 mm L Casing length 1490 mm 1800 mm Central heating circuit flow Flange DN 80 PN10 Flange DN 80 PN10 Central heating circuit return Flange DN 80 PN10 1 Flange DN 80 PN10 1 Gas...

Page 86: ...length 1862 mm 2172 mm L Casing length 1490 mm 1800 mm Central heating circuit flow Flange DN 80 PN10 Flange DN 80 PN10 Central heating circuit return Flange DN 80 PN10 1 Flange DN 80 PN10 1 Gas conne...

Page 87: ...461 0 105 5 530 4 118 7 600 9 Nominal output Pnc 70 50 C kW max 1 262 0 328 0 396 4 462 4 532 0 602 1 Nominal output Pnc 50 30 C kW max 1 278 8 350 3 424 5 497 1 573 5 651 5 Nominal input Qnh Hi kW m...

Page 88: ...pressure for flue gas outlet Pa 130 120 130 150 150 150 Flue efficiency Hi 80 60 C Am bient temperature 20 C 97 8 97 8 97 8 97 7 97 7 97 7 Flue losses Hi 80 60 C Am bient temperature 20 C 2 2 2 2 2 2...

Page 89: ...ight with packaging Including control box kg 436 470 505 572 608 645 Total weight without pack aging Including control box kg 366 400 435 497 533 570 Weight of the split boiler Heat exchanger side kg...

Page 90: ...ce 570 710 860 1000 1150 1300 Number of sections 2x5 2x6 2x7 2x8 2x9 2x10 Nominal output Pn 80 60 C kW min max 1 75 8 521 4 86 7 656 3 122 6 789 5 122 3 922 1 148 1 1080 6 165 4 1201 7 Nominal output...

Page 91: ...Maximum counter pressure for flue gas outlet Pa 130 120 130 150 150 150 Flue efficiency Hi 80 60 C Am bient temperature 20 C 97 8 97 8 97 8 97 7 97 7 97 7 Flue losses Hi 80 60 C Am bient temperature 2...

Page 92: ...01 AT 6 3 6 3 6 3 6 3 6 3 6 3 1 Without pump 2 For a room sealed system Tab 84 Other data Gas 620 Ace 570 710 860 1000 1150 1300 Total weight with packaging Including control box kg 851 915 981 1111...

Page 93: ...0 120 0 124 0 152 0 172 0 178 0 160 Standby mode PSB kW 0 020 0 018 0 020 0 020 0 020 0 020 Other items Standby heat loss Pstby kW 1 142 1 182 1 222 1 260 1 300 1 340 Ignition burner power consumptio...

Page 94: ...heating energy efficiency class Rated heat output Prated or Psup kW 516 647 781 911 1062 1185 Seasonal space heating energy efficiency Annual energy consumption GJ Sound power level LWA indoors dB 81...

Page 95: ...al and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior...

Page 96: ...Remeha Commercial UK Innovations House 3 Oaklands Business Centre Oaklands Park RG41 2FD Wokingham T 44 0 118 978 3434 F 44 0 118 978 6977 E boilers remeha co uk 7734324 v 03 29092020 7734324...

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