YOKOGAWA HGM300 User manual

Rev.!10/22/01!!
HGM300/RDM800!mini!manual.doc!
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INTRODUCTION!TO!THE!HGM300/RDM800!YOKOGAWA!REFRIGERANT!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!MONITOR!SYSTEM!!!!!
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Welcome!ñ!This!is!an!introduction!the!Yokogawa!HGM300/RDM800!refrigerant!monitor!system.!As!you!open!the!
shipping!carton!locate!the!following!items;!
HGM300!ñ!Manufactured!to!your!order!specifications,!that!is,!number!of!zones,!type!of!air!sample!fittings!and!dual!
4-20ma!DC!option!(if!ordered)!!!!
RDM800!ñ!Remote!Display!Module!(if!ordered).!
Charcoal!filter!with!ìTî!bolt!bracket;!line!end!filter!assembly!(quantity!dependant!on!number!of!zones!ordered!ñ!for!
4!zones!ñ!5!filters,!for!8!zones,!9!filters,!12!zones!13!filters!and!16!zones!17!filters.!Do!not!use!a!filter!on!the!
exhaust!line).!
Operations!manual!
Optional!items!ñ!Audio/Visual!alarms,!visual!alarm,!audio!alarm,!air!sample!tubing,!etc.!as!ordered.
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Proper!mounting!of!HGM300!and!RDM800!-!!
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HGM300!Mounting!Specs!!!!
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7.0"
14.0"
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RDM800!Mounting!Specs!
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7.0"
9.0"
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Rev.!10/22/01!!
HGM300/RDM800!mini!manual.doc!
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The!HGM300!should!be!centrally!located!in!the!mechanical!room!and!be!readily!accessible!for!easy!visual!
monitoring!and!servicing.!Air!sample!tubing!may!be!run!in!lengths!up!to!500í.!The!fresh!air!purge!line!should!
draw!from!an!area!that!does!not!contain!any!refrigerant!gas!and!cannot!exceed!300í!in!length.!The!exhaust!
line!should!run!to!an!out!side!location!if!possible.!The!length!of!the!exhaust!line!cannot!exceed!100í.!!
!Ideally,!two!to!three!pick!up!points!spaced!around!each!chiller!will!provide!sufficient!coverage.!It!may!be!necessary!
to!perform!a!ìsmokeî!test!of!the!mechanical!room!to!determine!the!best!locations.!The!smoke!test!would!provide!the!
pattern!of!air!currents!present!in!the!mechanical!room.!
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HGM300/RDM800!Refrigerant!Gas!leak!monitor!mechanical!room!placement!
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Picture!of!HGM300!alarm!wiring)!
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!The!RDM800!should!be!mounted!outside!of!the!mechanical!room!or!at!least!just!inside!of!a!door!to!the!room.!
This!is!the!ì split!architecture!designî !for!safety!of!the!operator.!The!RDM800!can!be!located!up!to!4500í!from!the!
HGM300.!The!RDM800!is!the!man!machine!interface!by!which!you!program!the!HGM300,!acknowledge!alarms!
and!observe!conditions!inside!of!the!mechanical!room.!Note!that!there!are!two!additional!alarm!relay!contacts!in!the!
RDM800!that!can!be!programmed!to!alarm!with!ì leak,!spill,!evacuate,!fault!or!monitor!onî .!
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RDM800
Remote
Display
Module
HGM300
Halo
g
en Gas
Monitor
Outside Hallwa
y
Machine Room
Sample Inlet Pickup Points
Chiller!
Exhaust Fan
Sample!Inlet!
Pickup!Point!
Aux. Horn/Strobe
Remote Alarm
Archived Document

Rev.!10/22/01!!
HGM300/RDM800!mini!manual.doc!
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WIRING!THE!HGM300!
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AC!Power!(In!/!Out)!--!RS485!--!4-20!mAdc!
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Main!120Volt!Power!
Auxiliary!Power!120Volt!
(Used!to!supply!power!for!audio/visual!alarms)!
On/Off!Power!
Switch
Dual!4-20!mAdc!
Outputs!
RS485!
Node!Address!
Switch
Leak,!Spill,!Evacuate!&!
Fault!alarm!wiring!block
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Rev.!10/22/01!!
HGM300/RDM800!mini!manual.doc!
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WIRING!THE!RDM800!
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Terminator!for!
Building!Automation!
RS485!Connecto
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Terminator!for!
HGM300!RS485!
Connector!
HGM300!RS485!
Connector!
Building!
Automation!
System!RS485!
Connector!
Main!Power!
RDM800!
relays!
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Rev.!10/22/01!!
HGM300/RDM800!mini!manual.doc!
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HGM300!Relay!Wiring!
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Relay
#1
COMMON
NO
NC
Relay
#2
COMMON
NO
NC
Relay
#3
COMMON
NO
NC
Relay
#4
COMMON
NO
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!!!!Aux.!Power! ! !!!!Main!Power!
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Jumper!the!ëNeutralí!of!the!auxiliary!power!connector!to!the!ëCommoní!on!the!relay!block.!!!
Connect!one!end!of!strobe!or!horn!to!the!ëNOí!of!whichever!level!of!alarm!is!appropriate!for!application.!
The!other!end!of!strobe!or!horn!is!connected!to!a!120VAC!power!source,!or!to!the!ëLineí!of!the!auxiliary!
power!connector!(Max!5AAC).!
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!!!!!!!!!!!!LEAK!!!!!!!!!!!!!!!SPILL!!!!!!!!!!EVACUATE!!!!!!!FAULT!
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Line! ! ! !
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eutral!
Line!
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Neutral!
Strobe!Horn!
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Rev.!10/22/01!!
HGM300/RDM800!mini!manual.doc!
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Power!up!the!monitor!system.!(Warm!up!time!is!15!minutes)!
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Start!up!checkpoints!!!
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a)!All!buttons!on!RDM800!ìchirpî!when!pressed.!(Contact!the!factory!if!the!do!not!ìchirpî.!See!last!page!for!
whom!to!call)!
b)!Communication!connection!between!HGM300!and!RDM800!
c)!Checking!node!address!for!HGM300ís!(multiple!HGM300î s!also)!
d)!Terminator!positions!
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Multiple!HGMís!
TERMINATOR!!
!!!!!!!!!ìINî!! MULTIPLE!HGM300íS!WITH!RDM800!
!NOTE!ñ!THE!LAST!HGM300!OR!RDM800!ON!EITHER!END!OF!THE!NETWORK!
MUST!HAVE!THE!TERMINATOR!IN!THE!ìINî!POSITION!AND!ALL!OTHER!
UNITSMUST!HAVE!THEIR!TERMINATORS!IN!THE!ì OUTî !POSITION.!
!NOTE!ñ!TOTAL!LENGTH!OF!RS-485!CABLE!CANNOT!EXCEED!1500m.!!(Use!
instrument!cable!20!gage!multistrand!shielded!and!twisted!pair!ñ!similar!or!equal!to!
Beldon!cable!#8762.)!
!!!!!!!!!!!RS-485!! RS-485!CONNECTIONS!BETWEEN!HGM300ís!!
THE!RDM800!AND!HGM300!UNIT!4!TERMINATOR!MUST!BE!IN!THE!ìINî!
POSITON.!!HGM300!UNITS!1,!2,!&!3!MUST!BE!IN!THE!ì OUTî !POSITION.!
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TERMINATOR!! !!TERMINATOR!! ! TERMINATOR!! !!TERMINATOR!
!!!ì OUTî ! ! !!!!!!!!ì OUTî !! ! ! !!!!!!ì OUTî ! ! !!!!!!!!ìINî!
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Connecting!To!A!Building!Automation!System!
The!HGM300!may!be!connected!to!a!building!automation!via!the!RS-485!connector.!The!node!address!
switch!on!each!HGM300!may!be!set!from!ì0î!to!ì16î!in!order!to!conform!to!the!building!automation!
system!requirements.!Units!set!to!a!ì0î!or!ì1î!address!both!respond!to!messages!from!the!RDM800!as!
address!ì1î!therefore!you!should!not!have!a!unit!set!to!ì0î!and!another!set!to!ì1î!on!the!same!network.!If!
the!HGM300!network!is!connected!directly!to!a!building!automation!system!may!not!be!connected!to!
the!RDM800.!However,!the!RDM800!has!two!communications!ports,!an!ìupstreamî!port!(labeled!TO!
BMS)!and!a!ìdownstream!port!(labeled!TO!MONITORS).!A!BMS!node!may!be!connected!to!the!upstream!
RDM800!port!while!the!downstream!RDM800port!talks!to!the!HGM300ís.!In!this!case,!the!BMS!is!talking!
ìthroughî!the!RDM800!to!the!HGM300ís,!but!not!physically!on!the!HGM300/RDM800!network.!
Note!ñ!If!the!HGM300!is!not!at!the!end!of!the!line!in!a!series!connection,!then!the!terminator!on!the!HGM!
must!be!set!to!ìOUT.î!!Also,!each!end!of!the!network!must!have!the!terminator!set!to!ìINî.!
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!!!!!!!!TERMINATOR!
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!!!!!!!TERMINATOR! !!!!!!!!!!TERMINATOR!! TERMINATOR!! TERMINATOR!
!!!! !ìINî! ! !!!! !!ì OUTî !! ! !!!!!!ì OUTî ! ! !!!!!!!!!ìINî!
RMD800!
HGM300!
UNIT!1!
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ODE!1!
HGM300!
UNIT!2!
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ODE!2!
HGM300!
UNIT!3!
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ODE!3!
HGM300!
UNIT!4!
N
ODE!4!
HGM300!
N
ODE!1!
HGM300!
N
ODE!2!
HGM300!
N
ODE!3!
HGM300!
N
ODE!4!
BMS!
Archived Document

Rev.!10/22/01!!
HGM300/RDM800!mini!manual.doc!
7
MULTIPLE!HGM300ís!CONNECTED!TO!A!BUILDING!AUTOMATION!SYSTEM!
DAISEY!CHAIN!FASHION!!!
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RS-485!!!!!TERMINATOR!
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TERMINATOR!! !!TERMINATOR!! ! TERMINATOR! ! !!!!!!!TERMINATOR!
!!!!!ì OUTî ! ! !!!!!!!ì OUTî !! ! ! !!!!!!ì OUTî ! ! !!!!!!!!!!!!!!!ìINî!
Node!address!may!be!set!from!0!to!16!to!allow!building!automation!system!to!integrate!the!monitor!
system!into!its!system.!(Note:!!Units!set!for!address!ì0î!and!address!ì1î!will!both!respond!to!address!ì1î!
messages.!!Therefore,!there!should!not!be!an!address!ì1î!and!an!address!ì0î!unit!on!the!same!network.!
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PROGRAMING!THE!HGM300!USING!THE!RDM800!
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1)!From!the!System!Screen!on!the!RDM800!press!the!button!adjacent!to!ì ZONESî .!
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2)!Press!button!adjacent!to!ZONE!1!
Note!-!Press!button!adjacent!to!ì LOCATIONî .!Using!the!keypad!left/right!buttons!to!move!across!and!the!
up/down!buttons!to!enter!alphanumeric!data,!enter!a!location!for!zone!one!(up!to!12!characters).!
Press!ìENTERî!to!lock!in!data!and!allow!you!to!move!to!the!next!function.!
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3)!Press!the!button!adjacent!to!ì REFRIGERANTî !
!!!!!!!Using!the!up/down!keys!select!the!proper!refrigerant!gas!for!this!zone,!then!press!ìENTERî!
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4)!Press!the!ìDISTANCEî!button;!use!the!left/right!keys!to!move!across!and!the!up/down!keys!to!enter!the!length!
of!tubing!for!this!zone,!then!press!îENTERî.!(Note!ñ!to!disable!a!zone!set!the!distance!to!ì0î)!
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5)!Press!ìAVE!TEMPî !This!function!is!used!to!ì standardizeî !the!readings!to!ìStandard!Temperature!and!
Pressureî !(STP,!which!is!1!atmosphere!and!25!degrees!C).!This!function!is!rarely!if!ever!used.!The!PPM!
readings!displayed!are!inversely!related!!(i.e.,!as!temperature!goes!up,!PPMs!decrease)!to!the!temperature!of!the!
sample!(and!thus!the!sample!area).!If!the!sample!area!temperature!does!not!vary!from!standard!temperature!(i.e.,!
25°C!or!77°F)!significantly!the!PPM!reading!will!not!be!greatly!affected.!!A!10°C!(18°F)!change!in!the!
area/sample!temperature!will!result!in!~3.5%!change!in!the!PPM!reading.!!!The!Ave!temp.!parameter!can!be!
used!to!compensate!the!PPM!reading!as!the!sample/sample!area!temperature!varies!from!ìstandardî!temperature!
(25°C!or!77°F).!
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System!Screen!
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HGM300!
UNIT!1!
N
ODE!1!
HGM300!
UNIT!2!
N
ODE!2!
HGM300!
UNIT!3!
N
ODE!3!
HGM300!
UNIT!4!
N
ODE!4!
BUILDING!
AUTOMATION!
SYSTEM!
SETUP!SCREEN!#!1!
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Rev.!10/22/01!!
HGM300/RDM800!mini!manual.doc!
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6)!Use!the!left/right!and!up/down!keys!to!change!the!temperature!and!the!ìENTERî!key!to!complete!the!action.!
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7)!ì CURRENT!PPMî !This!function!cannot!be!accessed.!
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8)!Press!the!ìLOG!INTERVALî !button!only!if!the!interval!is!to!be!reduced!from!the!1440-minute!(once!every!24!
hours)!factory!setting!to!a!lower!setting.!(At!the!1440!minute!setting!the!HGM300!will!record!the!observed!PPM!
level!once!every!24!hours.!This!can!be!reset!to!lower!numbers!to!trend!a!problem!in!a!given!zone.)!
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9)!Press!ìMOREî!This!takes!you!to!the!second!zone!set!up!screen.!
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Press!ìLEAK!LEVELî !button.!Use!left/right!keys!to!move!across!and!up/down!keys!to!readjust!leak!alarm!PPM!
level!to!desired!PPM!level.!
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10)!Press!ìSPILL!LEVELî !button.!Repeat!as!in!step!8.!
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11)!Press!ìEVACUATE!LEVELî !Button.!Repeat!as!in!step!8.!
Note:!!The!evacuate!level!must!be!greater!than!or!equal!to!the!spill!level,!which!must!be!greater!than!or!equal!to!
the!leak!level.!
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12)!Press!ìRESET!PEAKî !button.!Use!the!to!clear!the!previous!peak!PPM!displayed!for!this!zone.!
This!key!is!used!to!clear!the!peak!PPM!for!this!zone,!which!is!displayed!at!the!top!of!this!screen.!!The!peak!PPM!
gives!the!PPM!level,!time!and!date!of!the!highest!refrigerant!readings!since!the!unit!was!last!cleared!(or!started,!
if!the!reading!has!never!been!cleared).!!The!peak!PPM!reading!along!with!the!TREND!DATA!can!be!a!powerful!
diagnostic!tool!in!detecting!small!leaks!before!they!become!large!leaks.!
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13)!To!move!to!the!next!zone!set!up!screen!press!the!right!keypad!button.!Use!the!ì BACKî !button!to!move!to!the!
first!zone!set!up!screen.!Repeat!steps!2!to!13!to!program!the!second!zone.!
Repeat!as!necessary!for!all!zones!in!monitor.!
To!return!to!the!SYSTEM!SCREEN,!press!QUIT!then!press!SYSTEM.!
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PROGRAMMING!USING!THE!HGM300!PC!SOFTWARE!
Note!ñ!There!are!two!versions!of!software!and!firmware.!Version!1.0!generally!is!found!in!HGM300!serial!
numbers!beginning!with!AJ00!to!serial!numbers!beginning!with!AF01!and!version!1.25!from!serial!numbers!
beginning!with!AF01!forward.!!!If!an!RDM800!is!connected!to!the!unit!the!version!of!the!firmware!can!be!
obtained!from!the!HGM300!Main!screen.!
Insert!software!disk!into!PC.!
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Note:!The!PC!software!uses!COM1!by!default.!!Therefore,!the!interface!cable!should!be!connected!to!the!port!
configured!as!COM1!on!the!PC.!!Also,!no!other!software!drivers!or!devices!in!the!PC!may!control!COM1!
when!the!HGM300!software!is!in!use.!
The!connection!is!made!through!a!standard!ìstraight!throughî !serial!port!connection.!!A!three-wire!
connection!is!used!(RXD,!TXD,!and!GND).!!No!hardware!flow!control!is!used.!!The!HGM300!software!
automatically!configures!COM1!to!match!the!HGM300!RS-232!communications!parameters.!
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Turn!on!power!to!HGM300.!
SETUP!SCREEN!#!2!
Archived Document

Rev.!10/22/01!!
HGM300/RDM800!mini!manual.doc!
9
!Connect!RS232!interface!cable!to!PC!and!RS232!port!on!the!HGM300!after!both!the!HGM300!and!PC!has!fully!
powered!up.!
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Open!the!HGM300!software!using!Windows!Explorer.!!Upon!start!up,!the!program!will!immediately!attempt!to!
download!data!from!the!HGM300.!!Several!beeps!can!be!heard!as!the!program!communicates!with!the!HGM300.!!
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Note:!To!move!through!the!screen!use!the!ARROW!keys!to!move!up,!down,!left!and!right.!
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Use!the!ENTER!key!to!select!options!and!the!ESCAPE!key!to!back!out!of!a!selection.!
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Using!the!arrow!keys!go!to!EDIT!ñ!press!Enter!key!ñ!the!EDIT!Menu!DROPS!DOWN!ñ!select!SYSTEM!ñ!press!
ENTER!key.!!The!HGM!ì LOCATIONî !becomes!highlighted.!!Press!ENTER!key!to!move!to!the!HGM!TAG!area,!
use!the!BACKSPACE!key!to!remove!the!existing!tag,!then!enter!in!a!new!tag.!!Press!ENTER!and!you!are!returned!to!
ì LOCATION.î !!Use!the!ARROW!key!to!select!the!next!item!to!be!addressed.!!You!CANNOT!change!the!ìSNî!or!
ìFIRMWAREî!items.!!Press!the!ESCAPE!key!to!return!to!the!menu!bar.!
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Go!to!EDIT!ñ!press!ENTER,!select!ì ZONESî !and!press!ENTER!key.!!You!may!now!select!a!specific!zone!to!
identify!and!set!parameters.!!When!"REFRIGERANTî !is!selected!use!the!ARROW!keys!to!move!up!and!down!
through!the!gas!library!to!locate!the!gas!type!for!that!zone!ñ!HIGHLIGHT!the!gas!type!and!press!ENTER.!
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To!set!the!ALARMS!ñ!select!EVAC!LEVEL!first,!press!ENTER!use!the!BACKSPACE!key!to!clear!previous!setting!
and!type!in!the!new!PPM!level.!!Use!the!same!method!to!set!the!SPILL!LEVEL!and!LEAK!LEVEL.!!!
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To!close!or!bypass!a!zone,!set!the!DISTANCE!to!0!feet.!
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!Saving!the!program!to!a!disk!or!C!drive!
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Saving!an!HGM300!program!to!a!disk!or!the!ëC í !drive.!
1`)!ñ!Go!to!ëF I L E í !on!the!software!program!screen,!select!ëP A T Hí !using!the!arrow!keys!then!press!enter.!
Change!the!ëC U R E N T !PATHí!to!the!desired!drive!and!location.!
!2)!ñ!Select!ëSAVE!SETUPí!type!in!the!title,!such!as!HGM!#!1!then!press!enter.!
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Sending!a!saved!setup!to!the!HGM300!
1)!ñ!Select!ëP A T H í !enter!the!correct!path!for!the!saved!program.!
2)!ñ!Select!ëO P E N !SETUPí!ñ!path!and!setup!name!is!displayed.!Use!the!arrow!keys!to!go!to!HGM!and!select!
ëS E N D !SETUPí!then!press!enter.!The!saved!program!will!be!sent!to!the!HGM300.!
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USB!type!lap!tops!
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Some!of!the!newer!laptops!have!USB!ports!and!no!RS-232!9!pin!ports.!You!will!be!required!to!purchase!a!
PCMCIA!card!that!converts!the!laptop!to!RS-232.!Yokogawa!knows!of!one!PCMCIA!card!that!works!well.!The!
manufacturer!is;!
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!SEALEVEL!SYSTEMS,!INC.!
155!TECHNOLOGY!PLACE!!
P.!O.!BOX!830!
LIBERTY,!SC!29657!
PHONE!ñ!864-843-4343!
www.sealevel.com!
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Part!number!!-!PC-!SIO-232!PCMCIA!CARD!ñ!Cost!$!199.00!
A!ì!straight!throughî !RS-232!cable!and!a!DB25!to!DB9!converter!will!be!required!to!connect!to!the!
HGM300.!
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Archived Document

Rev.!10/22/01!!
HGM300/RDM800!mini!manual.doc!
10
RESPONDING!TO!ALARMS!
To!respond!to!an!alarm!from!the!SYSTEM!SCREEN!press!the!button!adjacent!to!the!blinking!ALARM!field.!!
This!will!take!you!to!the!ALARM!SUMMARY!SCREEN.!
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The!ALARM!SUMMARY!SCREEN!displays!a!list!of!all!alarm!conditions!across!the!network.!Each!box!represents!
a!single!alarm.!If!there!are!more!then!eight!alarms!additional!screens!can!be!displayed!by!pressing!the!MORE!button.!
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Each!active!alarm!is!indicated!by!a!blinking!box,!as!an!alarm!is!acknowledged!the!box!stops!blinking.!
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To!acknowledge!an!alarm,!press!the!button!adjacent!to!the!first!alarm!box.!This!will!take!you!to!the!ALARM!
DETAIL!SCREEN.!The!ALARM!DETAIL!SCREEN!displays!the!following!information;!
• Complete!location!information!
• Refrigerant!type!and!current!PPM!level!
• Peak!PPM!and!peak!time!
• Type!of!alarm,!alarm!time!and!date!
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System!Screen!
Alarm!Summary!Screen!
Archived Document