MAN 449 - AEL Group
Contents
1. Investigate the UPS alarm fault condition MAN 449 Issue 4 4 7 TVSS Indicators TVSS models only Models with TVSS fitted have neon indicators which show the level of protection being given Under normal circumstances no neon s should be lit If one or more of the neon s is glowing this indicates that the TVSS has degraded due to an excessive transient or transients This does not mean that your equipment is unprotected but that the level of protection has been reduced and that the TVSS device requires service or replacement MAN 449 Issue 4 APPENDIX 1 700VA 10kVA HARDWIRED DIAGRAM sap auTO Mov O Q O fe d D 6 S T11 H a 5 A T 8 e T 10 O Tekst rs g S T8 H S rs r7 58 I S S T6 4 SIS T5 8 ZR SETS TE S NG J l 5 5 z O 1 pene sis IAR a ff amp skls Hd o ore m 1l SAD status indicator TVSS models only 3 Position Rotary Switch Automatic Bypass Neon if fitted MOV status indicator TVSS models only Terminal blocks Cable glands D EI ie MAN 449 Issue 4 APPENDIX 2 RBS015 DIAGRAM 10A FUSE U C 6 la 9 ACINPUT NN J 72. NOTE For the load to be fully protected by the UPS the RBS must be switched to the NORMAL position and the UPS must be completely switched on and in normal operation refer to the UPS user manual 4 1 Switching to Bypass Operation for UPS maintenance and testing NOTE Check that the UPS is working normally and that it is not working in battery operation mode refer to UPS user manual If these conditions are not met disruption or even damage can occur to the UPS or protected equipment if the switch is operated Turn the switch to the position marked as BYPASS amp UPS for the hardwired version or BYPASS for the RBS015 version The load is now supplied directly from the mains supply and the UPS still has mains supply connected The UPS may now be switched off or tested refer to UPS user manual without disrupting the load 4 2 Switching to Bypass Operation for UPS maintenance and complete isolation not applicable for the RBS015 NOTE Check that the UPS is working normally and that it is not working in battery operation mode refer to UPS user manual If these conditions are not met disruption or even damage can occur to the UPS or protected equipment if the switch is operated Turn the switch to the BYPASS position The load is now supplied directly from the mains supply and the mains supply to the UPS is disconnected The UPS may now be switched off without disrupting the load 4 3 Disconnection o
3. 2 Position Rotary Switch Automatic Bypass Neon if fitted AC Input Fuse Spare Output Load Sockets UPS Output Socket UPS Input Socket AC Inlet NO Or R A MAN 449 Issue 4
4. Equipment Feed the protected equipment cables through the gland plate and secure terminate the protected equipment cables to the terminals marked SUPPLY TO LOAD as follows Protected Equipment Wire Terminal Location Live Brown Terminal Marked T9 Neutral Blue Terminal Marked T10 Earth GN YW Terminal Marked T11 Ensure that all terminals and glands are tight 2 5 Connection of the Auxiliary Contacts Optional The auxiliary contacts are only to be used if required they allow the position of the bypass switch to be monitored as follows Switch Position Contact Status Normal Open Bypass amp UPS Closed Bypass Closed Contact Rating 20A 230Vac 2 6 Initial switch on Before the mains supply is applied to the RBS refit all of the covers that were removed during installation not forgetting the earth connections With the RBS switch in the NORMAL position switch on the supply Start the UPS and confirm that the UPS operates correctly as described in its User Manual The unit is now installed MAN 449 Issue 4 3 RBS 015 INSTALLATION PLUG 8 PLAY WARNING The following procedure must be followed exactly Failure to do so could lead to exposure to hazardous voltages and disruption of the supply to the protected equipment Before commencing the installation ensure that the RBS is suitable for the UPS system for which it is to be used the connectio
5. ING Hazardous voltages will be present on any terminals if the UPS or mains supply is switched on Always ensure that the mains supply and UPS are switched off and isolated prior to touching any terminals Use a meter to confirm that no voltages are present 2 1 Connection of the Mains Supply Feed the mains supply cables through the gland plate and secure terminate the mains supply cables to the terminals marked SUPPLY IN as follows Supply Input Wire Terminal Location Live Brown Terminal Marked T1 Neutral Blue Terminal Marked T2 Earth GN YW Terminal Marked T3 Ensure that all terminals and glands are tight 2 2 Connection of the Input to the UPS Feed the UPS input cables through the gland plate and secure terminate the UPS input cables to the terminals marked UPS IN as follows UPS Input Wire Terminal Location Live Brown Terminal Marked T4 Neutral Blue Terminal Marked T5 Earth GN YW Terminal Marked T6 Ensure that all terminals and glands are tight MAN 449 Issue 4 2 3 Connection of the Output from the UPS Feed the UPS output cables through the gland plate and secure terminate the UPS output cables to the terminals marked UPS OUT as follows Terminal Location Terminal Marked T7 Terminal Marked T8 UPS Output Wire Live Brown Neutral Blue Ensure that all terminals and glands are tight 2 4 Connection of the Protected
6. RBS 700VA LOKVA HARDW IRED amp RBS 015 SERIES MAINTENANCE BYPASS SWITCH MAN 449 Issue 4 MAN 449 Issue 4 1 INTRODUCTION The Maintenance Bypass Switch RBS is a 19inch rack mounted unit specially designed to allow maintenance and removal of the UPS without any disruption of the supply to the protected equipment i e the load Models with an A suffix include automatic transfer of the load to bypass in the event of UPS failure Models with a T suffix include transient voltage surge suppression to protect the load against mains borne voltage current spikes 2 HARDWIRED VERSION INSTALLATION WARNING The following procedure must be followed exactly Failure to do so could lead to exposure to hazardous voltages and disruption of the supply to the protected equipment It is recommended that the following procedure is only be carried out by a qualified electrician THIS EQUIPMENT MUST BE EARTHED Before commencing the installation ensure that the RBS is suitable for the UPS system for which it is to be used the connection cable sizes can be found in the UPS user manual Remove the terminal cover from the rear of the RBS any covers are secured by several retaining screws and are connected to the unit via an earth connection this earth connection may be removed temporarily during the installation Once the RBS is securely fitted into the rack enclosure the connections can be made as described in the following section WARN
7. f the UPS NOTE Check that the UPS is working normally and that it is not working in battery operation mode refer to UPS user manual If these conditions are not met disruption or even damage can occur to the UPS or protected equipment if the switch is operated Turn the switch to the position marked as BYPASS UPS for the hardwired version or BYPASS for the RBS015 version The load is now supplied directly from the mains supply but the UPS still has mains supply connected Switch the UPS off completely following the UPS User Manual ensuring the batteries are also isolated For the hardwired version turn the switch to the BYPASS position The load is still supplied directly from the mains supply but the mains supply to the UPS is disconnected WARNING Hazardous voltages are always present within the RBS unless completely isolated from the UPS and Mains Supply MAN 449 Issue 4 Lock the switch in position if necessary if lock is fitted Remove the terminal cover from the rear of the RBS not applicable to RBS015 For the hardwired version disconnect the cables from the terminals marked UPS IN and UPS OUT for the RBS015 version disconnect both UPS Input and Output IEC cables The UPS can now be removed for maintenance as the load will continue to be supplied through the RBS Replace the terminal cover of the RBS if applicable 4 4 Reconnection of the UPS WARNING Hazardous voltage
8. n cable sizes can be found in the UPS user manual Once the RBS is securely fitted into the rack enclosure the connections can be made as described in the following section 3 1 Connection of the Mains Supply Plug the mains supply plug marked as AC INPUT into a suitable mains supply socket that has a minimum rating of 10A 3 2 Connection of the Input to the UPS Connect the UPS input to the Bypass socket marked UPS INPUT using an IEC male to female lead 3 3 Connection of the Output from the UPS Connect the UPS output to the Bypass socket marked UPS OUTPUT using an IEC male to female lead 3 4 Connection of the Protected equipment Connect the equipment to be protected to the Bypass socket s marked LOAD 3 5 Connection of the Auxiliary Contacts Optional The auxiliary contacts are only to be used if required they allow the position of the bypass switch to be monitored as follows Switch Position Contact Status Normal Open Bypass Closed Contact Rating 10A 230Vac 3 6 Initial switch on Before the mains supply is applied to the RBS confirm that all connections are correct With the RBS switch in the NORMAL position switch on the supply Start the UPS and confirm that the UPS operates correctly as described in its User Manual The unit is now installed MAN 449 Issue 4 4 MAINTENANCE BYPASS SWITCH OPERATION Warning Always allow a 20 second break between switching positions
9. s are always present within the RBS unless completely isolated from the UPS and Mains Supply Toreconnect the UPS follow section 2 2 2 amp 2 3 for the hardwired version or for the RBS015 follow section 3 3 2 amp 3 3 found earlier within this manual Once all connections have been made replace all covers if necessary and refer to section 4 5 4 5 Switching back to Normal Operation Warning Always allow a 20 second break between switching positions For the hardwired version turn the switch to the BYPASS amp UPS position The UPS now has mains supply available The load is still supplied directly from the mains supply Switch on the UPS ensuring correct operation NOTE Check that the UPS is working normally and that it is not working in battery operation mode refer to UPS user manual If these conditions are not met disruption or even damage can occur to the UPS or protected equipment if the switch is operated Turn the bypass switch to the NORMAL position The load is now protected by the UPS 4 6 Automatically Switching To Bypass Auto models only If the bypass senses that the UPS output has failed the bypass will automatically transfer the load to the mains supply and the AUTO BYPASS NEON will light red The manual switch will not move In such a scenario Turn the switch to the position marked as BYPASS UPS for the hardwired version or BYPASS for the RBS015 version
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