Flofab GPA-IV Series User manual

OI.Read the installation manual
carefully before installation and
use.
11.Somemodelsare not suitable for
drinkingwater.
02.Themanufacturerwillnotbeliable
foranypersonalinjury, pump
damage and other property
damageduetofailure to comply
with contentsspecified in safety
warningsigns.
12. The liquid may be high-temperature
and high-pressure; therefore, the
liquid in the system m ust be
completelydrained orthe shut-off
valveson both sides must be
closed before moving a nd
dismantling the pump to prevent
buming.
03.Theinstallersandoperatorsmust
comply with local safety regulations.
04.Theuser must confirm that only
qua lified personnel with
professionalcertification and
proficiency of this manual is
allowedtoinstallandmaintainthis
product
13.Ifremovingthe exhaustbolt, high-
temperatureand high-pressure
liquidwill beoverflew.Therefore.
it is necessaryto insure that the
outflow liquid will not cause
personalinjuryor damageother
para.
05.Thepumpmustnotbeinstalledin a
place that is damp or may be
splashedbywater.
14.Ventilation must be ensured in
summeror high ambient
t emperature period to avoid
condensation that may cause
electricalmalfunctions.06.F=6rconvenientaccessofmaintaince.
ashutoff valveshallbeinstalledon
eachsideofthepump 15.In winter,the pumpsystemdoes
not workor whenthe ambient
temperaturedrops belowO"C
liquid in the systemshall be
completely drained soas to avoid
frostcrackingof pumpbody.
07.The powersupplyof the pump shall
becut off beforeinstallation and
maintainace.
08. Fordomestic hot water, copper or
stainless steel pump body shall be
used. 16. If the pump isleft unused fora long
time, pleaseclose the pir)e valve in
the inlet andoutlet of the pump and
cut off the power supply.
09. Heatsupply pipelines shall not be
frequently filled with non-softened
water soas to avoidincreasing
calcium in the circulating water
insidethe pipeline.which maythus
blockthe impeller.
17.Ifhe flexible cordof cable ist
damaged.it must be replaced bya
qualifiedperson.
10. Do not start the pump without liquid. 18.Pleaseclosethevalveattheinletof thepumpandcut off powerof the
pump immediatelyif overheating
01

and abnormality of motor is detected, andcontact yourvendor or service center
immediately.
19.Iftroublecannotbeaddressedaccordingtothe manual,pleaseclosethevalveson
theinlet andoutletofthepumpimmediately.cutoffpowersupply and contact your
vendor or servicecenterimmediately.
20.Thisproductshallbeputinaplaceoutof reachofchildren.After installation.takean
isolation measures to avoid access of children.
21.This product shall bestored in a dry, wellventilated and cool place under room
temperature.
Warning
Beforeinstallation.you mustcarefully readthe installation
andoperation manual.The installation and useof the
equipment must comply with local regulation and
applicableoperationstandards.
Warning
Thosewhohaveweak physicalstrength, react slowly orlack
experienceand knowledge(including children) can use this
motorpumponlyunderthe monitoring anddirectionof
his/her safetypersonnel
Warning
Failure to comply with this safety instruction may lead to
personalinjuryl
Failure to comply with this safety instruction may lead to
equipmentmalfunction ordamage!
[ or instruction for easy andsafe operations
02

2. General
2.1.GPA IV series circulation
motor pump is mainly
used in domestic
heating and hot water
system.
2.2.Advantages
Easyinstallation and start-up
Provided with self-adaptive mode
AUTO
Theproductis mostapplicable to the
following systems: (rnitialsetting). In most cases. the
motorpump needsno adjustment
andcan be readily started and
automaticallyadjusted to meetthe
actual needsofthe systems.
High-degree comfort
Stable and variable-flowheat supply
system
Variable-temperature pipeline heat
supplysystem
Heat supplysystem with night mode
HVAC system
Lowoperationalnoise of motor
pump andwholesystem.
Lowenergy consumption
Comparedwith traditional
circulation motor pumps, it has
lower energy consumption. GPA
series circulation motor pump is
attached with Europe Ener©'Label
ClassA marking,and theminimum
enerWconsumption can reach up
to 10W. '
Industrialcirculation system
Domestic heating and domestic
watersupplysystem
This pump is equipped with
permanent-magnet motorand
di#erential pressurecontroller,capable
of automatically & continuously
a(1lustingmotor performance to meet
theactual needsof system.
This pump is equippedwith control
panel on the front for easy operation by
users
03

3.OperatingConditions
3.1.Ambient Temperature
Ambient temperature: O 't)
3.2.Relativehumidity (RH)
Max.humidit)r: 95%
3.3.Medium (liquid delivery) temperature
Liquiddeliverytemperature:+2't)
Toavoid condensationin control box andthe stator.thetemperature of liquidpumped
bythe motor pumpmustbe alwayshigherthan ambient temperature.
3.4.System Pressure
MaximumpressureLOMpa(IObar)
3.S.Degreeof Protection
IP42
3.6.Inlet Pressure
3.7.Pumping Liquid
Thepumping liquid includes thin. clean, non-corrosiveand non-explosive Iiquid
whichshallnot contain anysolid particles. fiberor mineraloll. and the pump must
definitely not beusedto pump inflammable liquid such as rapeseed oiland gasoline.
Ifthe pumpisusedin aplacewith relativelyhigh viscosity, the pump has lower
performance. So when choosinga pump. theviscosityof liquid must be taken into
account.
04

4.Installation
4.1Installation
Wheninstalling GPAIVseriescirculating pump.thearrowon motorpump case
Indicates the flow direction of liquid through thepump. ''''
\A/heninstallnghhinletandoutlet. thepipeline. twosuppliedgaskets must
During theinstallation. the shaftof motor pump mustbe horizontal.
05

4.2Position of Junction Box
43Changing Position ofJunction Box
The junction box can be rotated ina step of 45'
The procedure for changing the position of junction box are asfollows:
I.Close thevalves at theinletand outletand releasethe pressure;
2. Unscrewandremovethefoursockethead screwsthatfastenthepumpbody;
3.Rotate themotor to theexpected position and align thefour screw holes
4.Installthe foursocket headscrews again andfasten them clockwise
5.open thevalvesattheinletandoutlet.
06

GPq-lV
Warning
$ZlilZ 2 H am :::.:m::!.=
4.4Thermallnsulation of Motor PumpBody
r' ;; --
Limiting theheat loss of motor Pumpbody andpipeline
Motorpump body and pipeline should bethermally
reduce theirheat loss insulated to
Do not isolate or cover the junction box and control panel
07

5.ElectricalConnection
08

Electricalconnectionandprotectionshallcomplywithlocalcodes andnorms
.]
Warning
Themotor pump mustbe earthed(;)
Themotor pumpmust be connected to anexternalpower switch
andtheminimumspacebetweenalltheelectrodesis3mm.
GPA IVseries circulating motor pump needs no protection from externalmotor
Check ifthe supply voltage andfrequency are thesameas parameters indicated
on the nameplate of the motor pump
Connect Ihe motor pump and power supply with the plug supplied together with
thepump
Af terthe power is supplied. the indicator lamp on the control panel is ON.
09

GHq-lV
6. ControlPanel
6.1Controls onControl Panel
Sreduce button
garea indicating
ur mode
button showing pump
a
Flowduring runtime
Speedincrease button
liliaspeed adisplayshow
6.2Troubleshooting
Vita power on. position 6 lighting
areaindicating the situation : Operating. 'or
speed area displaying hgh[ are always
lit; with flashing lights indicatingthe pump 2flashir
problem. corresponding fault are a 3flas
follows: 4
If isdetected. the 5flashin
oH
After the troubleisaddressed.re-connect IS 6flash
thepower and start themotorpump. ;peed7fla
Description
Over
Under e
Over-flow
.se
Under
Over-temperature
6.3 ndication LampAreaof MotorPumpSetting
ton to choose Circulation pumps have28kinds of settings. pressing the
13 different light areaindicating allthe settings;

GHq-lV
Lightingarea
AUTO( factory reset )
BLt1 9)
HD { 1-9 )
HS ( 1-9 )
Description
Autoadaptation
Proportk)nalpressurecube
Constant pressure curve
Constant speed curve
6.4Button for selecting motor pump settings
By pressing the button onceat 2 seconds interval. the motor pump setting
mode willchange once
A cycle is constituted of every four presses on the button. Fordetails.
please referto Section6.2
7.Motor Pump Setting
7.1 Motor Pump Setting Based onSystem Type
.6;.i.i.iii8, lo;.:l.;.iiT8.
afh. / I
OK
0:eltllllRG)
OK
.OieotilllltD
Initialsetting=AUTO(Self-adaptivemode)
Recommended and available motor pump setting
System.Type
Floorhea
MotorPumpSe ing
ecommended
AUTO HO( .9)
BL
e19
BL BL ( 1-9 )

GHq-lV
lli I Ilan:l:
ivo Mode) mode. the
ng in AUTO mode and
Please refer toSection 12.Igor the relationsbetween motor pump setting
and performance curve
7.2 Control of Motor Pump
il:l :;:
emotorpumpisControlledaccordingto
ressureControl(BL)' or 'Constant
££=:==:==:;:J==::=:===T;:==:.==:==7:::
ProportionalPressureControl
both ends of tho motor pump
guru. proportional pressure
Constant PressureControl:
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8.Bypassvalv esystem installed between
the Inlet pipelineand return pipeline
8.1Purposes of bypass valve
r
<- BYPASS
C)100000000'i0
-©- l
P
'0
]
M e w WUw%
.C)?.IIIlll le)
AUO
Chapter 7
Bypass valve
Thepurposeof bypassvalve: whenallthe valves and/or temperature-
sensingvalvesofheatradiatorin the floor heatingloop aro closed. It can
ensure thatthe heat fromboiler can be distributed -- '- ''
Elements inthe system:
bypass valve
flow meter. position L
13

WhenalJvalv
=:=t'U:l£M'i;=cbl'L=T= HK:? : !U:£::!.
n
8.2Manually-operated Bypass Valve
In accordance with thofollowing procedures
FollowIhalonowiCgpaceSS,Valve(temperature-sensingtypo)
«gU::$nnHH=
14

GP4-lV
9.3Ventthe heating system
10 Motor Pump Setting and Performance
lO.IRelations between Motor Pump Settingand Performance
oar(from I to 9).Ihesliadov ena
togear (from lt0 9).ald the yeHolr
15

ll.IGuide onPerformanceCurve
:fz£=EZ? Regsr=:!::::'=::;s3E:==1=f:=
Tho nput power curve(Plcurve) belongs to every Q/H curve. Power
withWatt asthe unit. powerconsumptionofmotorpumpin given Q/H curve
11.2Curveconditions
GPAIVseriesmanual:eapplicable tothe performancecurvespecified in the
Testliquid:air-free water.
::::£lW:!KK
The applicable Kinetic viscosityof the curve u=0.474 mm2/s ( 0.474CcST )
11.3Performance Curve GPAIV Series
16

Gfn-lV
Constantspeed & AUTOmode performance curve
Hole:Theredcursestandslor conslanl speedgear(from t to 9).1heshadow are
ol blue one is automatic gear.the greenone b ntb gear (from I to 9).and the yellow
on8 is constant pressur gear (from I i0 9)
Constantpressure mode performance curve
0 1 ? 3 C S 6 1 8 9 tO Qta'7hl
1?
8L6
Bt
Proportionalpressure performance
0 1 2 3 & S 6 1 8 9 tO Otd7ht
17

12.Features
12.1NameplateInstructions
aD
'1
GPA2S-H R
g!n 14021Z0001..
I I lll I'&)
b
No
l
2
3Power
Watt
4Current
Amo
5
6Dale

12.2Model Instructions
the modelof motor pump is composed of capitalized Latin letters andArabic
numbers. which means
C:checkvalve installedat the pump outlet
F: the connectiontypeofpumpbodyisflange
connection.threadedconnectionomitted
z: Inlia\ ?n9elort8i\l#tHietiomRillympis
N: stainless steelmaterialof pump body
B:steel materialof pumpbody. castiloi
pump body omitted
Maximumheadof delivery of pump(m)
P:plastic materialof pump body
aP
M
rated diametersofinlet andoutletofpump(DN)
Pipeline CannedClass-A Energy-saving
MotorPump
Modelexample:GPA25-101Vsaidinandout ol thecaliber ofpump lor DN25.top
liftto 10meters.pumpbody is madeof castiron.
19