HK Instruments MM/PS
The HK Instruments MM/PS is a filter alert that combines a differential pressure switch with a manometer into one practical product. It is ideal for monitoring air filters for contamination in air-conditioning and ventilation systems. The MM/PS has a switching difference of 30 Pa and an accuracy of switching point of ±5 Pa (low limit) and ±30 Pa (high limit). It has an electrical rating of 3 A / 250 VAC for resistive load and 2 A / 250 VAC for inductive load. The MM/PS is easy to install and has a protection standard of IP54.
HK Instruments MM/PS
The HK Instruments MM/PS is a filter alert that combines a differential pressure switch with a manometer into one practical product. It is ideal for monitoring air filters for contamination in air-conditioning and ventilation systems. The MM/PS has a switching difference of 30 Pa and an accuracy of switching point of ±5 Pa (low limit) and ±30 Pa (high limit). It has an electrical rating of 3 A / 250 VAC for resistive load and 2 A / 250 VAC for inductive load. The MM/PS is easy to install and has a protection standard of IP54.
Copyright HK Instruments 2017 www.hkinstruments. Installaon version 4.0 2017
INSTALLATION
INSTRUCTIONS
FILTER ALERTS
MM/PS Series
• READ THESE INSTRUCTIONS CAREFULLY BEFORE
ATTEMPTING TO INSTALL, OPERATE OR SERVICE THIS
DEVICE.
• Failuretoobservesafetyinformaonandcomplywith
instruconscanresultinPERSONALINJURY,DEATHAND/OR
PROPERTY DAMAGE.
• Toavoidelectricalshockordamagetoequipment,disconnect
powerbeforeinstallingorservicinganduseonlywiringwith
insulaonratedforfulldeviceoperangvoltage.
• Toavoidpotenalreand/orexplosiondonotuseinpotenally
ammableorexplosiveatmospheres.
• Retaintheseinstruconsforfuturereference.
• Thisproduct,wheninstalled,willbepartofanengineered
systemwhosespecicaonsandperformancecharacteriscs
arenotdesignedorcontrolledbyHKInstruments.Review
applicaonsandnaonalandlocalcodestoassurethatthe
installaonwillbefunconalandsafe.Useonlyexperiencedand
knowledgeabletechnicianstoinstallthisdevice.
SPECIFICATIONS
ThankyouforchoosinganHKInstrumentsMM/PSserieslteralert.
Inmanysituaonsltermonitoringrequiresanalarmsignalandalo-
caldisplay.Ourlteralertsaretherightsoluonforthesesituaons.
TheMM/PSlteralertscombinedierenalpressureswitcheswith
manometersintoonepraccalproductoering.
Thelteralertsareasoluonforsystemsrequiringvisualindicaonof
pressureonsiteandaswitchingpointsignal.Thelteralertsareideal
forgeneral-purposeworkinair-condioningandvenlaon,especially
inmonitoringofairltersforcontaminaon.
SPECIFICATIONS
Performance
Switching dierence:
30 Pa
Accuracy of switching point (low limit typ.):
40 Pa ±5 Pa
Accuracy of switching point (high limit typ.):
600 Pa ±30 Pa
Electrical rang, resisve load:
3A/250VAC
Electrical rang, inducve load:
2A/250VAC
Maximum pressure:
50kPa
Service life:
>1000000switchingoperaons
Technical Specicaons
Media compability:
Dryairornon-aggressivegases
Measuring units:
Pa
Environment:
Operangtemperature:
-20...+60ºC
Storagetemperature:
-40...+85ºC
Gauge uid:
Red:s.g.0.786kg/dm(15°C)
(IsoparM)
Physical
Case (MM&PS):
ABS
Cover:
MM:PMMA
PS:PC
Membrane (PS):
silicone
Duct connectors (PS):
ABS
Tubing (PS):
PVC
Screws (MM):
PC
Sealing (MM):
NBR
Protecon standard:
IP54
Electrical connecons:
3-screwterminal
Cable entry:
M16
Pressure ngs:
Male ø 5 mm
Weight:
560g
Conformance
MeetstherequirementsforCEmarking:
EMCDirecve2014/30/EU
RoHSDirecve2011/65/EU
LVDDirecve2014/35/EU
INTRODUCTION
APPLICATIONS
WARNING
COMPANY WITH
MANAGEMENT SYSTEM
CERTIFIED BY DNV GL
= ISO 9001 = ISO 14001 =
RoHS 2
2011/65/EU
Copyright HK Instruments 2017 www.hkinstruments. Installaon version 4.0 2017
INSTALLATION CONTINUED
DIMENSIONAL DRAWINGS
0 Pa
50
100
150
300
400
500
600
200
Pa
IP 54
140
290
100
P
a
0
F
3
F
I
D
P
S
P
:
e
p
T
y
0
0
6
a
=0.786
FILL
MANOMETER
MM 200600
600
500
300
400
200
100
40
INSTALLATION
1)Mountthedeviceinthedesiredlocaon.
Mounngposion:Tobeinstalledinhorizontalposion.
Figure 1 - Mounng
0 Pa
50
100
150
300
400
500
600
200
Pa
IP 54
P
a
0
F
3
F
I
D
P
S
P
:
e
p
T
y
0
0
6
a
=0.786
FILL
MANOMETER
MM 200600
600
500
300
400
200
100
40
2)InstalltheMM200600.
a.Unscrewthezeroadjustmentknob(lowerone)sothatitis
completelyopenandthenturnoneroundbackwards.Openthell
plug(upperone)andpourinthegaugeuidunlitreachesthezero
onthescale.Finetunewiththezeroadjustmentknobunltheuid
isexactlyatthezerolevel.Screwthellplugbacktoitsplace.
b.Connectthepressuretubes.Connectposivepressuretoport
labeled“+”andnegavepressuretoport“-”.
NOTE!UseonlygaugeuidapprovedbyHKInstrumentstoguarantee
accuracyandfuncnalityofthedevice.
Thesellerisobligatedtoprovideawarrantyofveyearsforthedeliv-
eredgoodsregardingmaterialandmanufacturing.Thewarrantyperiod
isconsideredtostartonthedeliverydateoftheproduct.Ifadefectin
rawmaterialsoraproduconawisfound,thesellerisobligated,when
theproductissenttothesellerwithoutdelayorbeforeexpiraonof
thewarranty,toamendthemistakeathis/herdiscreoneitherbyre-
pairingthedefecveproductorbydeliveringfreeofchargetothebuy-
eranewawlessproductandsendingittothebuyer.Deliverycosts
fortherepairunderwarrantywillbepaidbythebuyerandthereturn
costsbytheseller.Thewarrantydoesnotcomprisedamagescausedby
accident, lightning, ood or other natural phenomenon, normal wear
andtear,improperorcarelesshandling,abnormaluse,overloading,im-
properstorage,incorrectcareorreconstrucon,orchangesandinstal-
laonworknotdonebythesellerorhis/herauthorizedrepresentave.
Theseleconofmaterialsfordevicespronetocorrosionisthebuyer’s
responsibility,unlessotherwiseislegallyagreedupon.Shouldtheman-
ufactureralterthestructureofthedevice,thesellerisnotobligatedto
makecomparablechangestodevicesalreadypurchased.Appealingfor
warrantyrequiresthatthebuyerhascorrectlyfullledhis/herdues
arisenfromthedeliveryandstatedinthecontract.Thesellerwillgive
anewwarrantyforgoodsthathavebeenreplacedorrepairedwithin
thewarranty,howeveronlytotheexpiraonoftheoriginalproduct’s
warrantyme.Thewarrantyincludestherepairofadefecvepartor
device, orifneeded,a new partordevice,butnotinstallaonorex-
change costs. Underno circumstanceisthe seller liable fordamages
compensaonforindirectdamage.
3)InstallthePS.
a.Openthelid.
b.Selectthedesiredswitchingpointbyturningtheseleconwheel.
c.Unscrewthestrainreliefandroutethecable.Connectthewiresas
showninFigure2.Tightenthestrainrelief.
d.Closethelid.
Figure 2 - Wiring diagram
NO
23 1
NC COM
P
64
WARRANTY POLICY
RECYCLING/DISPOSAL
The parts le over from installaon should be
recycled according to your local instrucons.
Decommissioned devices should be taken to a
recyclingsitethatspecializesinelectronicwaste.
-
1
-
2
HK Instruments MM/PS
The HK Instruments MM/PS is a filter alert that combines a differential pressure switch with a manometer into one practical product. It is ideal for monitoring air filters for contamination in air-conditioning and ventilation systems. The MM/PS has a switching difference of 30 Pa and an accuracy of switching point of ±5 Pa (low limit) and ±30 Pa (high limit). It has an electrical rating of 3 A / 250 VAC for resistive load and 2 A / 250 VAC for inductive load. The MM/PS is easy to install and has a protection standard of IP54.
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