USER GUIDE for the HES92020, HES92021, HES92220
Contents
1. Front Panel Cover Plate for Power Connector Function Label Control Panel f 1 1 BENE 1111 N 2 Rear Panel Digital Input Output Connector Right Side Panel Analogue Input Connector 2 lo b 9 UU U Left Side Panel Power Connector innannnnn IUHHHHHHHHHHH RR UUUJUUUUUUUUUUUUUUUUUUU N 1434GB issue 2 5 HES92XXX USER GUIDE This page is intentionally left blank 4 1434GB issue 2 SECTION 2 INSTALLING THE DIMMER SECTION 2 INSTALLING THE DIMMER This section covers the following topics Input supply requirements Installing into a STACKER unit Connections for supply and outputs Removal procedure Setting up procedure 1434GB issue 2 HES92XXX USER GUIDE INPUT SUPPLY Voltage Range The DIMMER module is supplied factory set for use with one of the following voltage ranges which cannot be changed by the user e HES92020 amp HES92220 230V a c nominal 180V 260V a c absolute Or e HES92021 amp 592221 115V a c nominal 90V 130V a c absolute Check that the module is set for the correct range for the intended power su2. e ERES 36 vi 1434GB issue 2 SECTION 1 INTRODUCTION 1434GB issue 2 SECTION 1 INTRODUCTION This section covers the following topics General Description External Layout HES92XXX USER GUIDE GENERAL DESCRIPTION The HES92020 HES92021 HES92220 and HES92221 DIMMER modules provide two channels of phase controlled dimming which can be independantly controlled by the following methods Local Control Integral Control Panel S DIM Serial DIMmer communications Data Highway Analogue Control Input The HES92020 and HES92021 uses SCR silicon controlled rectifier dimming technology and is recommended for use with inductive loads such as conventionally wound transformers flourescent ballasts and cold cathode ballasts The HES92220 and HES92221 uses power transistor dimming technology and is recommended for use with capacitive loads e g electronic transformers and resistive loads e g tungsten lamps When used in an Imagine Lighting System all of the DIMMER module s parameters are down loaded from the SCENESET module via the S DIM data line IMPORTANT NOTE The DIMMER module will not respond to S DIM commands from an Imagine System until the output channel addresses have been correctly set 2 1434GB issue 2 SECTION 1 INTRODUCTION EXTERNAL LAYOUT
3. 1434GB issue 2 HES92XXX USER GUIDE CHANNEL ADDRESS MODE 18 Parallel Operations a oam ct Ea o PC dee 18 Control so Pee RI TU ERN 18 Changing the Channel Addresses 19 DIMMING LAW MODE 20 Output Characteristics eos e eb e RR PE eR es 20 Changing the Dimming Law Table 21 HYSTERESIS MODE Turn on Turn off Levels 22 Changing the Turn on and Turn off 23 SCENESET NUMBER MODE 24 Checking the SCENESET Number 24 OUTPUT LEVEL OVERRIDE 25 Setting the Override Levels 2555 25 SECTION 4 ANALOGUE CONTROL 27 ANALOGUE CONTROL 28 Control Priority isere ce atte toad hee ea eee 28 Analogue Connector u iva ten cee 28 basic Analogue Control Circuit cris RR Ex eR 29 SECTION 5 DIMMER TROUBLESHOOTING 31 DIAGNOSTIC CODES 634 eR IRA AURORA e Ra 32 Fatal C Odes eus p e PCM S CERE oie VE UP ES 33 oelf recoverable Codes kes ERR FE d QS 34 Communication Codes voe ch eS ee rus et ts ate as 35 PROBLEM DIAGNOSIS VERE EX
4. being installed in a STACKER unit Technical Specifications Any technical data required for the correct installation and use of the DIMMER module is contained in this user guide For full technical specifications of this product reference should be made to the Technical Source leaflets ref EPD02010 amp EPD02015 Firmware Version The operational instructions contained in this user guide assume that the DIMMER modules are using the following firmware versions HES92020 amp HES92021 version 2 3 firmware HES92220 amp HES92221 version 4 5 firmware The dimmer module briefly reports the firmware version during power up test Refer to section 2 page 10 for further details Trade Marks IMAGINE SCENESET M SCENEMAKER SCENETIMER SCENE PLANNER SCENESOFT and SCENE COMMANDER are trade marks of Helvar 1434GB issue 2 iii HES92XXX USER GUIDE This page is intentionally left blank iv 1434GB issue 2 CONTENTS CONTENTS SECTION 1 INTRODUCTION 1 GENERAL DESCRIPTION 25 roe ah ae MORTC 2 EXTERNAE LAYOUT ae BRE EN 3 FrontPanel 262 yee Aue ey ERE eae 3 dew estu 3 Right side Panel ieee e PUE TUS epe sen ak 3 Ea ce ne aes ae ee oed 3 SECTION 2 INSTALLING THE DIMMER 5 INPUT SUR
5. change the table number press and hold either the top right hand button to increase or the bottom right hand button to decrease the number To leave the table number as it is go to step 7 6 To store the new table number shown press and hold both right hand buttons until the display briefly shows EEE to confirm the new value has been stored in the DIMMER s memory 7 Ifno further settings need to be changed release the buttons the display will revert to Output Level Mode after ten seconds OR L Li Retain pressure on both buttons until the display changes to the next required mode 1434GB issue 2 21 HES92XXX USER GUIDE HYSTERESIS MODE Turn on Turn off Levels This mode is used to set the percentage level at which each output turns on and off assuming maximum level is 100 This is referred to as hysteresis or as the turn on and turn off levels The display will show a letter and a two digit value The letter indicates the turn off level and the digits show the turn on level The turn on level can be set between 2 and 64 in 2 increments The turn off level can be set to be either 1 less than the turn on level display shows the letter amp M or to 80 of the turn on level display shows the letter When the DIMMER module is supplied both outputs are set to a turn on level of 2 with a
6. per Table 0 and to act under CHA control Stage 4 Set the Output Channel Addresses Before the DIMMER module can operate correctly as part of the magine System the Channel Address for each power output must be defined For details refer to Section 3 page 18 1434GB issue 2 11 HES92XXX USER GUIDE This page is intentionally left blank 12 1434GB issue 2 SECTION 3 DIMMER OPERATING INSTRUCTIONS SECTION 3 DIMMER OPERATING INSTRUCTIONS This section covers the following topics Controls and Display Functions Output Level Channel Address Dimming Law Hysteresis Turn on and Turn off Levels SCENESET Number Output Level Override 1434GB issue 2 13 HES92XXX USER GUIDE CONTROLS AND DISPLAY FUNCTIONS The DIMMER module has a control panel with four push buttons and a three character digital display Fig 3 1 Digital Display 4 m ontrols Ez Fig 3 1 DIMMER control panel Display Modes The display can be used in five different modes e Output Level e Channel Address Dimming Law Hysteresis turn on amp turn off level e SCENESET Number Each mode allows a particular setting for both dimmer outputs to be viewed and if required a new value except for the SCENESET number can be entered When controlled by a SCENESET module it is necessary to set the channel addr
7. turn off level of 1 as example 1 Example 1 Turn on level 2 1 G Turn off level W 2 1 Li E Example 2 Turn on level 50 Oo Turn off level 2 N Ooo Note The turn off level for the ffl setting is calculated to the nearest 0 5 22 1434GB issue 2 SECTION 3 DIMMER OPERATING INSTRUCTIONS Changing the Turn on and Turn off Levels Procedure 1 Press and hold the two left hand buttons until the display shows the Hysteresis Mode Note The display will show the current setting for output CHA Display amp Buttons Lil m 2 To change the setting press and hold either the top left hand button to increase or the bottom left hand button to decrease the setting Note The display will cycle through the turn on levels for M and fi turn off settings To leave the setting as it is go to step 4 3 To store the new setting shown press and hold both left hand buttons until the display briefly shows E to confirm that the new value has been stored in the DIMMER s memory 1 E 4 To view the setting for output CHB momentarily press either the top or bottom right hand buttons 5 To change the setting press and hold either the top right hand button to increase or the bottom right hand but
8. ELY a o eeu E EDU PEOR 6 Voltage Range Tiu ite e qu teu cue ada 6 Prequency Range Ceca dee peor ep Pos pe bab PS adt 6 Ete yan ete o sacs 6 INSTALLING INTO A STACKER 7 REMOVAL 9 SELLING UP PROCEDURE exui quan RW Ais by WAS AEN A 10 Stage Power up lest 24 s bois een E daa 10 Stage 2 Set the Correct Dimming Law 10 Stage 3 OUIDULTeSEs cx docs E E Le peace pt ss Bu 11 Stage 4 Set the Output Channel Addresses 11 SECTION 3 DIMMER OPERATING INSTRUCTIONS 13 CONTROLS AND DISPLAY 14 Display Modes Joh a the ORGS cu exu QE D ERE S On 14 Control Lock OUt esiisa LATER VEU PE bL SS 14 Default Mode renes erci bbs ERIS ERE RR UE RES 14 Changing the Display 15 OUTPUT LEVEL MODE svg eee y binper oe KEV a KO SES RS 16 Output CHA amp CHB Ley ls sse oer eoo uas ba uaa 16 Operating CHO e e aua Dc ane 16 S DIM Data Line Status uot M e ER NA 16 Changing the Output Levels e ote pee ea ca 17 SCENESET Controli 5 ERR Seay E 17 Analogue Control oae 17
9. Fig 2 3 7 Make the connections if required to the analogue input refer to page 28 Fig 2 3 Removing the front panel label The physical installation of the DIMMER module is now complete For the testing and setting up procedure refer to page 10 8 1434GB issue 2 SECTION 2 INSTALLING THE DIMMER REMOVAL PROCEDURE If a DIMMER module needs to be removed from the STACKER unit ensure that the channel addresses for both outputs are known If not check the addresses by following the instruction procedure in section 3 page 18 Then proceed as follows WARNING For your own safety before attempting to remove the DIMMER module ensure that all of the input supply MCB s are in the off position and if possible isolate the MCB input terminals from the mains supply 1 Insert the blade of a small flat bladed screwdriver into the notch on the terminal cover plate and gently prise out the plate to gain access to the terminal screws for the power connector see Fig 2 2 2 Unscrew the terminals and withdraw each cable It is suggested that the input and output cables are identified with a label to assist reconnection 3 Ifthe DIMMER module or a replacement is not to be refitted immediately ensure that the ends of the connecting cables are made safe and secured away from all other connections 4 Unplug any leads to the analogue input connector on the right hand side 5 Remove the lockin
10. USER GUIDE for the 592020 HES92021 HES92220 amp HES92221 DIMMER Modules e l n E I m DIMMER LB HELVAR J User Guide for the Imagine HES92020 HES92021 HES92220 amp HES92221 DIMMER Modules Document I434B Issue 2 21 08 02 Copyright 2002 Helvar Merca Ltd All rights reserved No part of this documentation may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording without the prior written permission of Helvar Merca Ltd The information in this documentation is supplied without warranty of any kind either directly or indirectly and is subject to change without prior written notice Helvar Merca Ltd its employees or appointed representatives will not be held responsible for any damages to software hardware or data howsoever arising as a direct or indirect result of the product s mentioned herein Issued by Helvar Merca Ltd Hawley Mill Hawley Road Dartford Kent DA2 78 United Kingdom Printed in the United Kingdom PREFACE PREFACE Scope of this User Guide The descriptions and instructions contained in this guide are based on the assumption that the DIMMER module is being installed and used as part of a Helvar Merca Ltd Imagine Lighting System The installation instructions refer to the DIMMER module
11. ails on setting the address refer to section 3 page 18 Analogue Connector This is located on the right hand side of the DIMMER module see Fig 4 1 Function OV 0 5V supply max 10mA 0 10V control input for CHA 0 10V control input for CHB OV common Fig 4 1 Analogue input connector Suitable mating connector Helvar part no T1704 not supplied Cable size 0 2 2 5mm Stripping length 7mm Recommended cable type Equipment wire Maximum cable length 100m 28 1434GB issue 2 SECTION 4 ANALOGUE CONTROL Basic Analogue Control Circuit A typical analogue control circuit is shown in Fig 4 2 Although both inputs are shown as connected one input only can be used if required 10kQ 10kQ Fig 4 2 Basic analogue control circuit 1434GB issue 2 29 HES92XXX USER GUIDE This page is intentionally left blank 30 1434GB issue 2 SECTION 5 DIMMER TROUBLESHOOTING SECTION 5 DIMMER TROUBLESHOOTING This section covers the following topics Diagnostic Codes Problem Diagnosis 1434GB issue 2 31 HES92XXX USER GUIDE DIAGNOSTIC CODES Whenever the DIMMER module detects an abnormal condition a flashing diagnostic code will be displayed on the front panel The codes fall into three categories Fatal e Self recoverable Communication The tables on the
12. ct setting for that scene Analogue Control The output levels for both CHA and CHB can also be set by using the analogue input For further details refer to section 4 page 28 1434GB issue 2 17 HES92XXX USER GUIDE CHANNEL ADDRESS MODE This mode enables the addresses for outputs CHA and CHB to be defined The DIMMER module supports the following addresses 001 128 for use with the Jmagine Lighting System e 129 250 these are not currently used and should not be selected unless otherwise instructed 251 254 for use with the Ambience Lighting System e 255 for use when analogue control only is required 000 for test purposes only When the DIMMER module is supplied outputs CHA and CHB are factory set to addresses 251 and 252 respectively IMPORTANT NOTE The DIMMER module will not respond to S DIM commands from an Imagine System until the output channel addresses have been correctly set Parallel Operation By setting CHA and CHB to the same address they will operate in unison This enables the outputs to be wired in parallel to drive higher loads When both outputs are set to the same address the Dimming Law Hysteresis and Level Override settings for CHA are applied to both channels the settings for CHB are ignored Furthermore if the analogue input is used then the input for CHA will control both channels the input for CHB will be ignored Control Lock out If an address is sele
13. cted which has been locked by the controlling SCENESET module that address cannot be changed again unless the SCENESET is reprogrammed or the DIMMER module de powered and the address reset before an S DIM message is received 18 1434GB issue 2 SECTION 3 DIMMER OPERATING INSTRUCTIONS Changing the Channel Addresses Procedure Display amp Buttons 1 With the display showing Output Level Mode ress and hold the two left hand buttons LI 2 Wait for the display to change to Channel Address Mode approximately one second then release both buttons N _ Note The display will show the current address for _ output 3 To change the address press and hold either the top left hand button to increase or the bottom left hand AL m button to decrease the number To leave the address as it is go to step 5 Y 4 To store the new address shown press and hold both _ left hand buttons until the display briefly shows EEE m to confirm that the new value has been stored in the DIMMER s memory 5 view the address for output CHB momentarily press either the top or bottom right hand buttons 7 L JIL oe 6 To change the address press and h
14. eleasing the buttons will select the mode currently m displayed 4 The display can be toggled between the two outputs by momentarily pressing one of the right hand buttons for CHB or one of the left hand buttons for CHA 7 J 5 Ifno further buttons are pressed within ten seconds the display will revert to Output Level Mode 1434GB issue 2 15 HES92XXX USER GUIDE OUTPUT LEVEL MODE In this mode the display S DIM Data Line Status shows the following information Output CHA Level Iloc e Output CHB Level Operating Status Output CHA Output CHB Level Level S DIM Data Line Status Operating Status Fig 3 2 Channel level mode display Output CHA amp CHB Levels The left hand digit indicates the level of output CHA and the right hand digit indicates the level of CHB The level is expressed in terms of percentage control Note that only the decade tens component of the output level is displayed see Fig 3 3 LiL P0 1 20 29 30 39 40 49 50 59 60 69 70 79 80 89 90 99 Fig 3 3 Display conventions for output levels Operating Status When this segment is illuminated in Channel Level Mode it indicates that the DIMMER module 15 operating normally S DIM Data Line Status When the S DIM data highway is functioning correctly t
15. esses only other parameters will be set automatically Control Lock out The ability to change individual settings by using the integral control panel can be disabled or locked out by the controlling SCENESET module When a setting 1s locked out the value displayed will flash Default Mode The display defaults to Output Level Mode when the D MMER module is powered up The display will also return to this mode if no buttons are pressed for ten seconds while another mode is selected 14 1434GB issue 2 SECTION 3 DIMMER OPERATING INSTRUCTIONS Changing the Display Mode Procedure Display amp Buttons 1 With the display showing Output Level Mode press and hold the two left hand buttons Note The left hand buttons show the settings for output CHA pressing the two right hand buttons will show the settings for output CHB Lim After one second approximately the display will change to the Channel Address Mode Maintaining pressure on both buttons will cause the display to step through each mode MES Dimming Law Mode m Hysteresis Mode ea ili m SCENESET Number Mode llllnm Then back to Output Level Mode Li _ Channel Address Mode etc 3 R
16. following pages list the codes their likely causes and what action if any needs to be taken If a diagnostic code is displayed which is not listed this may indicate an internal fault condition If this occurs please call your service agent 32 1434GB issue 2 SECTION 5 DIMMER TROUBLESHOOTING Fatal Codes In the event of a Fatal Code both outputs of the DIMMER module will be automatically turned off i e set to zero level Neither output can be used until the cause has been cleared Likely Cause Action The mains frequency is notin the Turn off the supply to the range 45 65Hz DIMMER module for a few seconds then turn back on The mains supply is noisy If the code recurs check the mains Internal circuit fault frequency If the mains frequency is O K but the code recurs call for service Internal circuit fault Turn off the supply to the DIMMER module for a few seconds then turn back on If the code recurs call for service The internal circuit temperature Turn off the supply to the has exceeded 90C DIMMER module immediately and call for service Internal circuit fault Warning Do not turn the supply back on Internal damage may have resulted from the high temperature 1434GB issue 2 33 HES92XXX USER GUIDE Self recoverable Codes In the event of a Self recoverable Code the DIMMER module will reduce the current on one or both outputs Output level
17. g screw if fitted from the left hand side of the module see Fig 2 1 6 Grip the sides of the DIMMER firmly with both hands through the slots in either side of the STACKER and carefully ease the module forward to disengage the rear connector Continue to ease the module out until the front is clear of the other modules enabling it to be withdrawn 1434GB issue 2 9 HES92XXX USER GUIDE SETTING UP PROCEDURE The setting up procedure for the DIMMER module is divided into four stages which must be followed in the order listed below Stage 1 Power up Test Stage 2 Set the Correct Dimming Law e Stage 3 Output Test Stage 4 Set the Output Channel Addresses If it is not required to test the outputs to check for correct load operation and wiring then stages 2 amp 3 may be omitted IMPORTANT NOTE The DIMMER module will not respond to S DIM commands from an Imagine System until the output channel addresses have been correctly set stage 4 Stage 1 Power up Test Turn on the supply to the DIMMER module the display will briefly show and then clear to show 1 EI the module s firmware version This is displayed in the format to 1 E represent V2 3 After 2 seconds the display reverts to the default mode Fig 2 4 Fig 2 4 Default display When the display shows HEI the right hand digit will be noticeably brig
18. his segment will blink every time a valid S DIM message has been received and decoded approximately every five seconds However even if S DIM messages are being received this segment will not blink until the channel addresses have been correctly set see page 18 16 1434GB issue 2 SECTION 3 DIMMER OPERATING INSTRUCTIONS Changing the Output Levels The output levels will normally be set by the controlling SCENESET module However to change the levels manually proceed as follows Procedure Display amp Buttons 1 Check that the display is showing Output Level Mode 2 To change the level of output CHA press and hold either the top left hand button to increase the level or the bottom left hand button to decrease the level Lie 3 When the required level is shown release the button 4 To change the level of output CHB press and hold either the top right hand button to increase the level or A the bottom right hand button to decrease the level 5 When the required level is shown release the button SCENESET Control When the DIMMER module is under SCENESET control both output levels are checked periodically against the current scene If the levels are different e g have been changed manually the SCENESET module will return the levels to the corre
19. hter than the others this is normal and does not indicate a fault If the display clears to show a diagnostic code a letter H or Il followed by a two digit number the module has detected a problem Refer to section 5 page 32 for further details Stage 2 Set the Correct Dimming Law The Dimming Laws applied to both D MMER outputs are normally down loaded via the S DIM data line from the controlling SCENESET module However if the outputs are to be tested a Dimming Law appropriate to the output load type must be selected manually first To set the Dimming Law refer to section 3 page 20 10 1434GB issue 2 SECTION 2 INSTALLING THE DIMMER Stage 3 Output Test CAUTION Before attempting this test ensure that any loads connected to the DIMMER module outputs are suited to the Dimming Law selected An incompatible Dimming Law or load type may result in damage to the module or the load Press and hold the top left hand button on the DIMMER module s control panel The left hand digit should step up in value and any light sources connected to output CHA should be seen to come on and increase in brightness accordingly Repeat this process for output CHB by pressing the top right hand button Press and hold the lower buttons to return the outputs to zero level NOTE fDimming Law Table 0 is selected the level will toggle between zero and full power Table 8 causes output CHB to behave as
20. isplay will revert to Output Level Mode after ten seconds if no buttons are pressed OR Press and hold the two left hand buttons until the display changes to the next required mode ey Le 24 1434GB issue 2 SECTION 3 DIMMER OPERATING INSTRUCTIONS OUTPUT LEVEL OVERRIDE Each output can be pre programmed with a an override level This is the level that will be applied to the output if the DIMMER module s Output Level Override circuit is activated Both outputs CHA and CHB are factory set to full power 100 but these can be changed as required This function is normally used by the Watchdog facility on the controlling SCENESET module Setting the Override Levels Whilst each output can have a different override level both levels have to be set at the same time by the following method Procedure Display amp Buttons 1 With the display showing Output Level Mode adjust the levels of both outputs to the required value as described on page 17 wi 2 When the correct settings are shown press and hold m all four buttons simultaneously until the display briefly flashes EET to confirm the values have been stored the DIMMER s memory 3 Release the buttons the display will revert to Output Level Mode ms Note The levels will remain as just set for Level Over
21. old either the top right hand button to increase or the bottom right hand x button to decrease the number To leave the address as it is go to step 8 7 To store the new address shown press and hold both right hand buttons until the display briefly shows EEH to confirm the new value has been stored _ in the DIMMER s memory 8 further settings need to be changed release the buttons the display will revert to Output Level Mode after ten seconds l 1 OR I Retain pressure on both buttons until the display changes to the next required mode 1434GB issue 2 19 HES92XXX USER GUIDE DIMMING LAW MODE Both outputs need to be configured to the type of load that they are driving The DIMMER module incorporates nine Dimming Law tables which can be applied separately to each output HES92020 amp HES92021 HES92220 amp HES92221 Non Dimming for switched Non Dimming for switched loads loads Tungsten Linear Tungsten Linear Tungsten Square Tungsten Square Tungsten S Law Tungsten S Law 2 wire Fluorescent EL TX Limited Range with start pulse with lamp warm 2 wire Fluorescent EL TX Limited Range Cold Cathode Tungsten Low Wattage Custom Custom 3 wire Fluorescent EL TX Limited Range switched channel The DIMMER module is supplied with both outputs CHA and CHB set to Dimming Law table 1 Outp
22. ough the following list of problems and likely causes Problem Display is blank Likely Cause amp Remedy No power to power input LA Check appropriate MCB or fuse Output CHA or CHB will not dim will only change between zero and full power Dimming Law Table 0 non dim is selected see section 3 page 20 Output loads not dimming correctly Wrong Dimming Law selected for the load type see section 3 page 20 Hysteresis set incorrectly see section 3 page 22 Output CHA or CHB not responding to S DIM control Channel Addresses not correctly set see section 3 page 18 Incorrect or faulty connections on the S DIM data line Check that the rear connector is fully seated on to the STACKER motherboard DIMMER module 15 not connected to a SCENESET see section 3 page 24 Channel Address cannot be changed by the front panel controls The Channel Address is locked out by the SCENESET module A DIMMER parameter cannot be changed by front panel controls When current setting is viewed the display flashes The parameter is locked out by the SCENESET module 36 1434GB issue 2 HELVAR Merca Ltd Hawley Mill Hawley Road Dartford Kent DA2 7SY United Kingdom Telephone 44 0 1322 222211 Facsimile 44 0 1322 282216 HELVAR Part No issue 2
23. pply by referring to the serial no rating plate on the underside of the module CAUTION Connecting a supply which exceeds the maximum limit for the appropriate input range may cause irreparable damage to the DIMMER module Frequency Range The input supply frequency should be within the the range 45 65Hz A supply frequency outside this range will cause the DIMMER module to shut down Supply Protection Where both channels are to be used separately the supply input for each channel must be protected by a fuse or an MCB Where an MCB is used it is recommended that a double pole type 15 used such that both channels are isolated or powered in tandem Where both channels are to be used in parallel to drive a high current load Parallel Operation the supply input to must be protected by a double pole MCB The rating of the fuse or MCB will depend on the method of DIMMER cooling employed Convection Cooled Fan Cooled MCB Fuse rating per Channel 10A 20A 6 1434GB issue 2 SECTION 2 INSTALLING THE DIMMER INSTALLING INTO A STACKER UNIT WARNING For your own safety before attempting to install the DIMMER module ensure that all of the input supply MCB s are in the off position and if possible isolate the MCB input terminals from the mains supply 1 Carefully insert the DIMMER module into the appropriate slot of the STACKER unit ensuring that the rear connector locates firml
24. ride but may be changed if required If the Level Override circuit is now activated the display will show the programmed levels Also vertical bars in the centre of the display will move from side to side Note Whilst Level Override is active the levels for outputs CHA and CHB cannot be changed by the DIMMER module controls 1434GB issue 2 25 HES92XXX USER GUIDE This page is intentionally left blank 26 1434GB issue 2 SECTION 4 ANALOGUE CONTROL SECTION 4 ANALOGUE CONTROL This section covers the following topics Control Priority Analogue Connector Basic Control Circuit 1434GB issue 2 27 HES92XXX USER GUIDE ANALOGUE CONTROL As well as being controlled by the S DIM data highway the level of each DIMMER output can also be set by 0 10V analogue input The control level is directly proportional to the analogue input e g 5V input will give 50 control level 10V will give 100 etc NOTE The actual output level obtained for a given control level will depend on the dimming law table selected Control Priority If a particular output is controlled by both an S DIM and analogue input the input which defines the highest output level will take priority If the output level is required to respond to analogue input only then the channel address for that output must be set to 255 For further det
25. s cannot be increased until the cause has been cleared LikelyCause The internal circuit temperature has exceeded 70C Note Both output levels will reduce Action Check that all ventilation grilles are free from obstructions If the module is not being forced air cooled check that the load for each output is not exceeding 10A If the ventilation and loading are O K call for service Output CHA current has exceeded the maximum of 20A Note Output CHA level will reduce Press one of the four buttons on the front of the DIMMER module the display should clear If the code does not clear the associated lighting circuit is probably overloaded Output CHB current has exceeded the maximum of 20A Note Output CHB level will reduce Press one of the four buttons on the front of the DIMMER module the display should clear If the code does not clear the associated lighting circuit is probably overloaded The current through both outputs has exceed the maximum of 20A each Note Both output levels will reduce Press one of the four buttons on the front of the DIMMER module the display should clear If the code does not clear the associated lighting circuits are probably overloaded 34 1434GB issue 2 SECTION 5 DIMMER TROUBLESHOOTING Communication Codes These are advisory codes and will not usually change the current status of the DIMMER module However
26. subsequent S DIM or control panel commands may be ignored until the code has been cleared Likely Cause Action Data corruption in S DIM The S DIM message is ignored message The condition should clear automatically after ten seconds Error in S DIM message The S DIM message is ignored The condition should clear automatically after ten seconds Noise detected in S DIM message The S DIM message is ignored The condition should clear automatically after ten seconds General error in S DIM The S DIM message is ignored communications link The condition should clear automatically after ten seconds Front panel switch stuck on Call for service Checksum error in S DIM The S DIM message is ignored message The condition should clear automatically after ten seconds Repeated problems with the S DIM data highway are most likely to be caused by bad connections data cables running through electrically noisy environments or incorrect configuration of other devices in the system If further advice is needed contact the system installer or service agent 1434GB issue 2 35 HES92XXX USER GUIDE PROBLEM DIAGNOSIS If the DIMMER module fails to operate as expected it is more likely to be the result of incorrect setting up and configuration than a fault with the module itself Alternatively there may be a problem elsewhere in the system Before calling for service check thr
27. ton to decrease the setting Note The display will cycle through the turn on levels for W and turn off settings To leave the setting as it is go to step 7 6 To store the new setting shown press and hold both right hand buttons until the display briefly shows HEE to confirm the new value has been stored in the DIMMER s memory 7 Ifno further settings need to be changed release the buttons the display will revert to Output Level Mode after ten seconds OR Retain pressure on both buttons until the display changes to the next required mode L LI 4 1 1434GB issue 2 23 HES92XXX USER GUIDE SCENESET NUMBER MODE In a large system each DIMMER module can be connected to one of up to eight SCENESET modules In this mode the display will show the number of the controlling SCENESET module This is an advisory display only and cannot be changed The display will show the letters HI followed by number from 1 to 8 If the display shows then there is no SCENESET connected Checking the SCENESET Number Procedure Display amp Buttons 1 Press and hold the two left hand buttons until the a display shows the SCENESET Number Mode I I I Note This value is the same for both outputs pressing the two right hand buttons will show the same result 2 The d
28. ut Characteristics When table 0 is selected on one channel only the DIMMER module uses different drive characteristics on both outputs Generally this will not cause any noticeable change on the dimming channel However certain capacitive or complex type loads may not respond normally Table 8 uses both channel CHA and CHB outputs and must only be selected on CHA for correct operation When this table is selected CHA operates using table 5 characteristics while CHB behaves as a non dim channel similar to table 0 20 1434GB issue 2 SECTION 3 DIMMER OPERATING INSTRUCTIONS Changing the Dimming Law Table Procedure Display amp Buttons 1 Press and hold the two left hand buttons until the display shows the Dimming Law Mode H Note The display will show the current table number B for output CHA 2 To change the table press and hold either the top left hand button to increase or the bottom left hand 91 button to decrease the number _ To leave the table number as it is go to step 4 Y 3 store the new table number shown press and hold both left hand buttons until the display briefly shows H EEE to confirm that the new value has been m _ stored in the DIMMER s memory 4 To view the table number for output CHB momentarily press either the top or bottom right hand buttons 5 To
29. y into the motherboard at the back of the STACKER 2 Ifrequired secure the module to the STACKER by inserting a suitable retaining screw on the left hand side see Fig 2 1 RETAINING W Fig 2 1 Location of retaining screw Insert the blade of a small flat bladed screwdriver into the notch on the terminal cover plate and gently prise out the plate to gain access to the terminal screws for the power connector see Fig 2 2 Fig 2 2 Removing the power terminal cover 1434GB issue 2 HES92XXX USER GUIDE 4 Using suitable cable make the following connections between the DIMMER module and the distribution panel WARNING Both live feeds to terminals LA and LB must be of the same phase DIMMER Module Distribution Panel Wire Colour Terminal Earth Green Yellow Terminal N Neutral Blue Terminal LA Live feed from MCB Brown Terminal LB Live feed from MCB Brown Terminal CHA Appropriate output terminal Red Terminal CHB Appropriate output terminal Yellow Recommended cable type TRI rated 105C BS6231 approved Cable size 2 5 2 Stripping length 12mm Terminal screw torque 0 8Nm 5 Clip the terminal cover back into position 6 Write the function or circuit details of both channels on the label in the recessed area of the front panel next to the terminal cover plate If required the label may be removed as shown in
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