AMBIFLEX focus - SERVICE MANUAL
Contents
1. Enter new time if required as in Low Level 0 to accept the new time and the cursor moves to the Link Group column this is to link in the time schedule to the holiday dates entered The selections here are Ignore LG1 generally used for Stop and OpStop commands Only LG1 used only for times which are set in during a holiday Except LG1 generally used for Start and OpStart commands To select use or key 22 Adding Inserting A New Command Line This may be required if an additional time period e g Evening Use or Saturday Working is to be provided The procedure is very similar to the editing process but to add a new time command line and the display will change to TimeTabl command START as scheduled 1 Start 1234567 00 00 ignorelG From here the process is the same as if 9 had been pressed except it is creating a new additional command line Once all changes have been made review to confirm they have been correctly entered 23 CALENDAR SCHEDULING DIARY At SERVICE level existing dates for suspending and restoring daily time schedules may be changed CHANGING EXISTING CALENDAR DATES As a standard convention all FOCUS controllers are set where Holiday makes all channels inactive i e suspend all daily time programmes starting on this date i e the first day of holiday and date of the holiday i e normal operation resumes the day after Return to2. Room night target Free 30 16 21 Hot water target Free 60 35 55 Off above outdr temp User 36 10 35 Outdoor high VT temp Installer Not available at this level Normal high VT temp Installer see Installer manual Outdoor low VT temp Installer Normal low VT temp Installer VT parallel shift Service 20 25 0 VT night shift Service 0 25 10 Max VT flow limit Service 83 50 80 Min VT flow limit Service 80 15 30 Maximum boiler flow Service 87 50 83 Minimum boiler flow Service 87 35 50 Room FROST cut in Installer Not available at this level Outdoor FROST cut in Installer see Installer manual Boiler FROST cut in Installer OFF above room SP User 5 0 2 The user adjusts earmarked for Free User and Service can be accessed at this level this allows the Service engineer to trim the program installed to suit the client and building The room day and night targets can be used for optimisation and room reset The hot water target is used for temperature control of hot water services The outdoor setpoint is an economy feature to switch off the heating at a high outside air temperature The VT day and night parallel shifts can be used to trim the compensated slope set up when the system was installed The maximum and minimum VT and boiler settings can also be altered at this level Finally there is a high limit setpoint which can be altered this is the number of degrees to be added to the room target 12 EVENTLST Press a
3. then 0 d d m m y y to enter date including year 0 and then clock will update the Day and BST automatically 26 BRITISH SUMMER TIME BST The default for the BST start date is set with the month only e g 00 03 for March the focus will change from Winter to Summer Time automatically at 02 00 on the last Sunday in March every year The GMT start date is also set with the month only e g 00 10 Occasionally this will be wrong for a period of 1 week in some years when the time change takes place on the Sunday before the last Sunday in the month Specific dates can be set within the controller key 9 Jto edit and key in the date in the day month format then press and 0 together to update the controller 27 SYSCONFG From the stand by display press and 6 together to access the following display Sysconfg ConfigSw DHW plant setup ON with DHW Within this menu the application configuration switches can be accessed these switches should be checked for the application installed and the current building usage Be aware that choice of switch position determines how the controller will operate and may limit access for example if the first switch DHW plant setup is set to the OFF position the next three switches will be automatically turned OFF and shown Not currently in use Not all switches are relevant in all of the applications so there are pre set settings
4. A E E eS E E AEST Pea pad cA E NAN E E KA BANA E E E E EE E E E EA d E ec 34 SERVICE RECORD Client Site Address Visit Job Reference No Customer Order No 1 2 3 4 5 Visit Reason for visit 1 2 3 4 5 Visit Recommendations 1 2 3 4 5 Visit Client Signature Engineer Signature Date 1 2 3 4 5 35 Focus Menu Map Holiday all OFF dd mm etc 36 User Action Display Measured temperature etc Adjust Room day target etc Eventlst OpTimes y Access Lock Unlock TimeTabl Review Heating Anyday etc DLinkStat Diary Review Status Datalogs View 1 Daily etc Sysconfg ConfigSw DHW plant setup etc Timekeep Clockset BST dates Cmission AnlgSimu BininSim RelaySim AnoutSim The above is for SERVICE access Testclok
5. the standby display by pressing Then by pressing the display will show typically Diary Review view 5 J D Logs 7 add 24 After reviewing existing dates review again until the first date to be changed is displayed then 9 then select event required ie Holiday 0 to accept Then key in the start date this is in Date Month Year format If only the Date and Month are entered then this event will occur every year otherwise if a specific year is entered the event will be deleted once it has occurred 0 to accept Then key in the date for the last day of holiday operation E g A holiday like Christmas Day and Boxing Day occurring every year could be entered as Holiday Cal all OFF 25 12 xx to 26 12 0 to accept to move to the next event to be edited Carry on until all dates have been reviewed changed and accepted N B CALENDAR DATES CAN ROLL ON CONTINOUSLY OR BE YEAR SPECIFIC Inserting new calendar dates follows exactly the procedure above with one exception instead of using key 9 key is pressed 25 TIME CLOCKTIME SETTING Clock Adjustment Changing clock times can be done at the SERVICE Level of access see Page 7 for unlock instructions in the Timekeep Clockset Menu This menu can be reached by pressing and together from the default display 9 and the cursor moves to the time at the bottom left hand side of the display to enter correct time
6. time switching commands MAKING TIME TABLE CHANGES From SERVICE Level Access Reviewing Existing Time Tables Unlock focus as explained in focus Lock Unlock The time table menu is one below the Access menu Therefore with the cursor flashing over the A for Access key and the TimeTabl menu will be reached Alternatively from the standby display position press together and the display changes to TimeTabl Review chni 1 Any day Heating view 5 nxt chn View the time schedule for channel 1 on for every day of the week e g Timsched time ch Heating Chn 1 Opsrt 12345 08 30 xcpt LGI A cursor appears on the bottom line and this can be moved by using the cursor keys on the keypad is up is down is left and 3 is right As the cursor is moved an expanded description appears on the top line For example if the cursor is under the command section Opsrt the upper line will read TimeTabl command Optimised START Where a dot appears it means that the same command is set for the same time for the day where the dot is positioned i e a dot in position 3 would mean the same command is set for Wednesday A dash _ means the command is not set for that day Repeat pressing to view all command lines for channel 1 Then to move the cursor from Chnl 1 to Chnl 2 to view other existing time channels The focus has three channels i e Heating an Independent Channel and Hot Water but t
7. AMBIFLEX focus SERVICE MANUAL CONTENTS Page No focus Overview 2 focus Connection Details 3 Technical Specification 4 Unlocking amp Locking the focus 7 Status Display Mode 9 User Adjusts 11 Alarms Eventilist 13 Optimes 14 Time Scheduling Reviewing 15 Time Scheduling Editing 19 Time Scheduling Inserting 23 Calendar Scheduling Reviewing 24 Calendar Scheduling Editing 24 Calendar Scheduling Inserting 24 Time Setting Clock Adjustment 26 Time Setting British Summer Time 27 System Configuration Switches 28 Commissioning 31 Service Tick Sheet 33 Service Record 35 Menu Map 36 focus PRODUCT OVERVIEW The focus is an intelligent standalone or networking building management system with features normally available only in much more expensive systems It has been designed with override and adjustment facilities for the non technical user The focus incorporates a separate PSU board with field connection terminals which connects to the front panel CPU via a ribbon cable This means site installation can be carried out without the risk of damaging the front panel CPU which can be fitted at the commissioning stage The front panel has a Keypad LCD display which can show temperatures alarms and generally what is happening with the system at the two User levels and can be used for commissioning at the two Engineer levels All levels except the lowest user level are password protected A modem ma
8. be too low if included The last two of this set of switches deal with the options of night setback and optimisation 29 Switches continued Switch Name On Off Name If SET Applications to Cg 13 Heating flow no room reset Off 1 2 3 4 5 6 target With room reset On Cg 14 Heating reset room flow ratio 3 1 Off 1 2 3 4 5 6 ratio room flow ratio 2 1 On Cg 15 Ch 2 Ind Off 1 H F 3 H F 5 H F timer On Cg 16 Ch 2 link to No link Off 1 H F 3 H F 5 H F heating works with heating On Cg 17 Ch 2 link to No link Off 1 H F 3 H F 5 H F DHW works with DHW On Cg 18 Boiler control Single boiler Off 1 H F 3 H F 5 H F setup 0 10v sequencer On Cg 19 Boiler firing Fixed firing Off H F 2 H F 4 H F 6 Sequence rotates On Cg 20 Boiler rotation equal run time Off H F 2 H F 4 H F 6 weekly rotation On Cg 21 DHW cylinder no control valve Off 1 2 H F H F H F H F control with control valve On Cg 22 DHW htg no pump control Off 1 2 H F H F H F H F primary pump with pump control On Cg 23 Not currently Not currently in use Off 1 2 3 4 5 6 in use Not currently in use On Cg 24 Sensor Off 1 2 3 4 5 6 monitoring On The first two switches deal with room reset the influence the room temperature has on the heating The next three concern the Independent Time Channel ITC the ITC can be linked to the heating the DHW both or nei
9. ed Time Except Link Group 1 Holiday Dates and the cursor will move to the time command type on the left hand side of the bottom line of the display If the command type is to be changed scroll using 5 Jor 2 until the new command type has been selected 20 The command type may be chosen from the list below Start Opsrt Stop Opstp Cycle Pulse This means switch on at the time set for the days programmed Which means an optimised start to reach the target temperature at the time displayed This means switch off at the time set for the days programmed This means switch off before or at the time set providing the target end temperature will be met This is a start command which means go into proportional load cycle mode at the time set not used with this set of applications Currently this command is not in use Then back to Start Then 9 Jand the cursor will move to the day selections To add a day which is not already programmed enter the day key number e g adds day 1 Monday 21 If the day is already programmed entering the day number will remove it e g if display shows 12345 __ removes day 4 Thursday and display becomes 923_5_ again restores day 4 0 removes all days which if accepted deletes that command line 9 adds all days 0 to accept the required day combination and the cursor moves onto time
10. emperatures view_ 5 Channel info X escape The first status display concerns the measured temperatures allocated on the controller and targets repeatedly pressing wit show all of these The second menu concerns Time channel information ie information concerning the current status of the heating hot water etc repeatedly pressing will show all current information The What is happening now Any problems Info for engineers and Accumulator values menus show current status readings faults problems and any other details eg run hours for boilers When a section has been chosen repeatedly pressing shows all the values information within that menu USER ADJUSTS From the default display press hold and press 0 These keys pressed together will take the user directly to this screen User Adjust Room day target 21 0 9 change 5 nxtAdj To change this 2 and the bottom line of the display changes to 21 0 2 Up 5 Down 0 Reset ok E takes the temperature up by half a degree takes the temperature down by half degree takes the temperature to the default programmed in accepts the changes made E 2 amp again to return to normal display When the cursor is flashing over Room day target will move the cursor to the next setpoint Name Level Max Min Default Room day target Free 30 16 21
11. fault 4 Dedicated Inputs on front panel for setting extension timers summer winter selection and holiday operation selection 1 Dedicated Alarm Mute input on front panel focus Outputs 6 Digital outputs 2 0 10V dc analog outputs The 0 10V outputs can be used for control of a mixing valve and also a boiler sequencer For systems requiring greater input output capacity than that provided by the focus the MF820 from Ambiflex offers a fully expandable system Energy Management 3 Time Channels for heating hot water and an independent time channel fixed start stop time optimum start stop time heating each day of the week independently programmable Pre programmed minimum on off step time delays for boiler control Integrated demand boiler control Control Setpoint generators for weather compensation cascade control etc 4 P control output loops Loops 1 amp 2 via on board relays Loops 3 amp 4 via 0 10V onboard outputs Boiler sequencing of up to 2 boilers with optional equalised run time ERT Monitoring 3 Data logs trend logs one energy log with degree days two temperature logs 8 temperatures calculated temperatures plus time date Event alarm recording UNLOCKING AND LOCKING THE focus TO UNLOCK Press to make sure the focus is in the standby display mode The focus display will change to Access Unlock 22 Locked Key 9 to open 9 and the cursor moves t
12. for switches which are not required In the following tables this is shown H F OFF and hidden by the application H N ON and hidden by the application 28 Switches Switch Name On Off Name If Applications SET to Cg 01 DHW plant setup no DHW Off 1 2 3 4 5 6 with DHW On Cg 02 DHW control with time only Off 1 2 3 4 5 6 with time amp temp On Cg 03 DHW heat independent heater Off 1 2 3 4 5 6 source with link to boiler On Cg 04 DHW secondary no pump Off H N H N H N H N 5 6 pump slaved with R6 On Cg 05 Sensor room not required Off 1 2 3 4 5 6 sensor 1 included On Cg 06 Sensor room not required Off 1 2 3 4 5 6 sensor 2 included On Cg 07 Sensor room not required Off 1 2 3 4 5 6 sensor 3 included On Cg 08 Sensor Off 1 2 3 4 5 6 averaging On Cg 09 Sensor boiler not required Off 1 2 3 4 5 6 return included On Cg 10 Heating MV not required Off H F H F 3 4 5 6 override included On Cg 11 Heating setback Off 1 2 3 4 5 6 On Cg 12 Heating Off 1 2 3 4 5 6 optimisation On The first four switches deal with DHW services requirement control whether linked to the boiler and pump control The next five switches concern the sensors for example up to three room sensors can be used ona focus controller The mixing valve override will force the valve closed should the boiler circuit temperature
13. he number used will vary for different applications To change the day on which the time schedule is viewed move the cursor from Chnl 1 to Anyday by pressing 3 Then to change this value See chart on next page Goes to Goes to Goes to 5 Goesto 5 Goes to 5 Goes to Goes to Goes to Goes to Any Day Week Days Weekend Mon 1 Tues 2 Wed 3 Thu 4 Fri 5 Sat 6 Sun 7 Changing Existing Switching Times Once the required Time Channel has been selected carry out the review procedure for that channel for Any day by repeatedly pressing until the line to be changed appears on the bottom line of the display Move the cursor over the current switching time by pressing key then 9 And the cursor will move to the left hand digit of the time currently set to enter the new switching time e g 0 7 4 Ks would set a time of 07 45 24 hour format Once the correct time has been set it can be entered into the system by pressing 0 together once Then to move to the next command line To make changes to other time channels select the required channel by scrolling or 2 whilst the cursor is on the top line next to chnl Changing Existing Time Command Lines Once the required channel has been reviewed and the first command line to be edited has been selected TimeTabl command Optimised START Chn 1 Opsrt 12345_ 07 30 xcept LG Command Days View
14. nSim contains the binary digital inputs remote overrides faults etc RelaySim contains the relays digital outputs boilers pumps etc AnoutSim contains the analog outputs VT valve boiler sequencer etc 31 The BininSim and RelaySim menus which deal with the digital points show the condition of the point as either Set or Clear Set equates to energized closed contact and Clear to de energised open contact i e if Boiler 1 condition is set then it is energized off Therefore on controller failure the boilers will fail on Lastly the commissioning section contains a test clock feature to enable the Service Commissioning engineer to test out time schedules and calendar schedules Cmission Testclok clear The testclok can be run in mins 1 mins 5 mins 10 mins 30 Date 1 N B Remember to reset the above features when testing is concluded 32 SERVICE TICK SHEET Client Site Address SERVICE CHECKS tick Visit 1 Visit 2 Visit 3 Visit 4 Visit 5 as applicable CONTROLLER Check door seals and ingress of dirt moisture into the panel Test door interlocks switch operations and indicators Check controller power supply route fuses MCB s earth connection and any special supply detail such as RFI filter voltage transformer isolating transformer Check display and keypad key actions and backlight setting
15. nd hold the and the 0 together to get to the User Adjust display then move the cursor over Adjust by pressing then key and this display appears User Eventlst view b U Optims Press to view the alarms and events on this list The name of the alarm appears along with the time that the alarm occurred and the time that it cleared Key to view the next menu heading Optimes OPTIMES The Optimes menu shows all optimised start and stop times for the heating channel up to 50 events Brbss to view the events User Optimes Channel 0 Opt start 07 18 Thu 13th If there is no event line for a day this means that there has been no optimised start for that day ie the system only started up when the programmed occupancy begins TIME SCHEDULING For most day to day operations it is not necessary to make changes to the Time Schedule settings This is because override facilities are provided by the 4 black pushbuttons Heating Extend Hotwater Extend Summer Switch and Holiday Switch If however it is necessary to modify time switching commands programmed at the commissioning stage this can be done by the service engineer when the focus has been unlocked This procedure was explained earlier see Page 7 SERVICE LEVEL At this level the service engineer is allowed access to 1 Change any existing switching times for days already programmed 2 Add new switching times 3 Delete existing
16. o the bottom line over the leftmost SERVICE LEVEL UNLOCK Enter the low level password If left at its default setting enter display as follows or appropriate password if this has been changed As each key entry is made the changes starting with the rightmost to When all six digits have been entered 0 twice to accept If entered correctly the display will change to ACCESS Unlock 2002022 open service to return to standby display or key then 5 to get to Time Scheduling the first menu heading LOCKING THE focus The focus will lock itself automatically 20 minutes after the last keystroke To lock it before this starting from the standby display then 2 5 then 0 to revert to standby display STATUS DISPLAY MODE The user can go directly to any of the status display pages from the standby display in the locked or unlocked mode by pressing 0 which goes to the first page i e Measured temperatures to view goes to Time channel info to view again to What is happening now to view again to Any problems to view again to Info for engineers to view again to Accumulator values to view again to Measured temperatures to view DISPLAY MENUS A wider range of information regarding the status of the focus can be displayed in more detail whilst the machine is unlocked as follows 0 The display will change to User Display Measured t
17. s Check tightness of terminations and cable security Check network RS232 and sub network RS485 communications buses for error free operation INPUTS OUTPUTS Check temperature sensors for mechanical damage integrity of wiring Confirm correct sensor allocation against programmed reference point cea E ES CTE deh NA ae ee KE D TU OU oO oO E ES ES eal Ea EA E E E Na NA I 33 SERVICE CHECKS tick Visit 1 Visit 2 Visit 3 Visit 4 Visit 5 as applicable Check correct operation of controlled devices Check digital inputs for correct operation and interlocking action with controlled devices L LJ LJ 7 L Check digital output relays for correct operation and interlocking action with controlled devices boilers pumps valves etc SOFTWARE PROGRAM FUNCTIONS Check time calendar schedules step through days weekend operation Check operation of local remote override switches and remote indication Check system software application configuration switches set correctly Check clock setting day and date Check data logs and event list for reporting Down load temperature data logs and review for performance Copy latest settings for program back up Consult with client for any operational changes required to system parameters adjustments E B E e E NE E
18. ther this is generally for extensions etc The next three switches are to do with boiler control on the single boiler applications and the multiple boiler applications With fixed firing the lead boiler will always be Boiler 1 if sequencing is chosen there is the option for equalised run time on the boilers or weekly rotation of the lead boiler The two DHW switches concern temperature control and how that is achieved through the control valve or through pump control The last switch concerns monitoring of the sensors picked up on the system if this is left ON the controller will record sensor failure 30 CMISSION Within this menu all inputs temperatures remote override fault and outputs boilers DHW pumps etc real status can be viewed and also simulated to test different conditions There is also a fast clock which can be initiated for test purposes To reach this menu press and together from the standby display Cmission AnlgSimu Room 21 0C real 9 to override Use the cursor keys to choose which point to simulate then key 9 to override a test value can then be entered Negative values can be entered by keying all positive values from negative can be achieved by keying all 0 Then and 0 together to accept the new value The test value can be altered to suit as described above or will cancel the test The AnlgSimu menu contains the Analog Inputs Measured Temperatures Bini
19. y be plugged directly into the RS232 port of the PSU allowing automatic dial out of alarm messages to a PC or standard off the shelf fax machine This guide concerns the Service level of access to the controller which is the lower of the two engineer levels This booklet should be used when servicing and maintaining the focus focus CONNECTION DETAILS focus Address 1 1 sahe a s o 2 N f Supply 35 3E I 37 e 4L Al2 Os e 5N Auxiliary L 3ye Supply 6E i 406 6A screen Al 3 Oa e e 7 s po a 1 es iH 436 9 Al4 C 44 e o s O00 LT so 2 eu ir 466 e 11A o Als C 47 e 12 p9 goe e 3 _J i 49 e u o 77 BO ans C woo 15 51 e 16 o I 2 DO 6 17 5 Al7 53 18 4 o 19 p9 i 556 e 2 5 as A 57 21 Energising Volt e nergising Voltage hie 22 l e BO 04 D1 ng x e 24 1 O e L_ _ 60 e 2 K i 61 e 2 o 05 n2 ng C ee e 27 2 L 28 Energising Voltage 29 i 646 e 3 0 ons 31 e 32 I 3 o oO Di4 e 34 Ambiflex Ltd Project Rev Description Date 5 Vale View Vicarage Lane Bowdon Cheshire WA14 3BD Customer Tel 0161 941 1122 Fax 0161 941 1188 focus Sheet No 1 of 1 TECHNICAL SPECIFICATION focus Inputs 8 Analog Inputs Temperature Sensors 4 Digital inputs for remote overrides and plant
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