Haier MVAH012MV2AA User manual

Pleasereadthismanualcarefullybeforeusing
Keepthisoperationmanualforfuturereference
Originalinstructions
MVAH009MV2AA
MVAH012MV2AA
MVAH018MV2AA
MVAH024MV2AA
MVAH030MV2AA
MVAH036MV2AA
MVAH042MV2AA
MVAH048MV2AA
Indoor Unit Operation & Installation Manual

Contents
If thesupplycord isdamaged, it must be replacedbythe manufacturer, itsserviceagent orsimilarlyqualified persons
in orderto avoid a hazard.
Thisequipment shouldnot be usedorservicedbypersonnelwho havenot beenproperly trained in itsoperationand
maintenance.
Children shouldbe supervised to ensure that theydonot playwith the appliance.
Theappliancesare not intended tobe operated bymeansof an externaltimerorseparate remote-controlsystem.
Keep the applianceanditscord outof reach of children lessthan 8years.
Warning
MRVseriesmultizoneairconditioningsystemscan operate multiple indoorunitsinheating orcooling. When in cooling,
onlyunitsset tocoolwillrun. Same logicappliesforheating..
Turn poweronfor12hourspriorto start-up toallow the crankcaseheateradequate time toprotect thecompressor.All
indoorunitsonthe same refrigeration system should usethe unifiedpowerswitchto
ensure that allindoorunitsare allpowered onduring system operation.
Yourairconditionermaybesubject toanychange owingto the improvement of Haierproducts.
Partsand Functions 1
Safety 2
5
Fault Checkup
6
InstallationProcedures
13
Electrical Wiring
19
Test Run&Fault Code
4
Maintenance
ProductFeatures
1.Function of centralcontrol(optionalfromourcompany);
2.Automaticdisplayoffault detection;
3.Theairconditionerisprovided withthe function focompensation forpowersupply.Duringoperation,whenthepowersupply
failsemergently andresumesagain,the airconditionerreturnsto theworkingconditionbefore powerfailure,if provided
withcompensation function.
4.Nowthisindoorunit onlyhaswired controllerfunction,theindoorunitthat hasremotecontrollerfunctionneed to set in
factoryespecially.
UserManual

1
indoorunit
airduct
soft connection
airoutlet port
airinlet port
Partsand Functions

2
Safety

3
Safety

4
Maintenance

5
FaultCheckup

(4)The dimensionof maintenance
Make sure that it iseasyto demount the electricalcontrol
box, fan, montor, filter.
6
Thismanualcannot completelyillustrate allthe propertiesof the productsyou bought. Please contact the localHaier
distribution centerif youhave anyquestion orrequest.
1. Beforeinstallation [Don tthrowawaytheattachedpartsrequiredfortheinstallation]
Determinethe route tomove the unit tothe installationsite;
Transport theunit in it'sboxtoprevent damage.
2. Selectthe installation site
(1)The installationsite shouldbe selectedaccording thefollowing
conditions,which shouldbe approvedbyusers.
where an idealairdistributioncan beensured;
where thereisno blockageinthe airpassage;
where thecondensed watercanbe drained out properly;
where thestructure canbearthe weight of the indoorunit;
where enoughspacecan beensuredformaintenance.
where thelengthsof the piping between indoorunitsand
outdoorunitsare within the allowable range (refertoInstallation
of OutdoorUnits)
where thedistanceof at least 3.28ft (1m)between indoor
units,outdoorunits,mainssupply,connecting wiresandtelevision
orradio should be kept astoavoid theimage disturbanceand
noisesof the above electricalappliances. (Evenif 3.28ft(1m)can
be ensured, noise might occurif there isstrongelectricwave.)
Additionally, equipments, television orothervaluablescant be
put underthe unit astoavoid thecondensed waterof theunit
from dropping intothe above articles, causing damaging.
(2)Height of Ceiling:
The ceiling shouldbe locatedat the place, where the
centralpositionof airoutlet port islessthan 9.84ft (3m)high
abovethe ground.
(3)Hoisting studsshouldbe usedduring installation.
Check if the location can beartheweight of the unit.
Reinforce it beforeinstallation if necessary.
barrier
checking
port
spaceneeded for installation (unit:in)
D
D
(in)
C
(in)
B
(in)
A
(in)
MVAH009-
018MV2AA
MVAH024-
030MV2AA
Size
Model
31
387/8
431/4
511/8
18 5/8
18 5/8
25
25
MVAH036-
048MV2AA 551/4673/420 7/829
Installation Procedures
RequiredTools forInstallation
Brazing torch
15%silverphosphorouscopperbrazing alloy
Wire stripper
Soap-and-watersolution orgasleakage detector
Torque wrench
17mm, 22mm, 26mm
Tubing cutter
Reaming tool
Flaring tool
Razorknife
Measuringtape
Level
Vacuumpump
Microngauge
Nitrogen
Mini-SplitAD-87Adapter(1/4*to5/16*)
Non-adhesiveTape
AdhesiveTape
Electricalwiring
checking
port
A
B
(locationofhangingbolt)
(dimensionsofinspectionholeonceiling)

7
Note:
When thesizesof themain unit dont matchthe holeon the ceiling, regulate the slot on thehanging bracket.
Adjust thelevelwith a levelmeteroraccordingto thefollowingways:
Adjusting the level
Makethe adjustment asshown inthefigure.
(2)If necessary, make ahole forinstallationandinspection on the ceiling. (used forthe situation with aceiling)
Forthe sizeof theinspection hole onthe ceiling,please refertothe above drawing.
Before installation, finishallthe preparationsforallpipingconnectedto indoorunits(refrigerant, waterdrainage)and
wiring (connectionline of theline control, connection linebetween indoorunitsandoutdoorunit)so that theycan be
connected with indoorunitsright afterinstallation.
Forthe inspection hole, theceilingmight be reinforced tokeep the evennessof the ceiling and avoidthe vibration of the
ceiling. Fordetails, please consult the construction contractor.
notchgrapping
notchplug plug
concrete
3/8"(M10) hangingbolts
(3)Installthe 3/8"(M10)hangingbolts
In orderto support the weight of the unit, usebarbboltsin the situation with a ceiling.
In the situation with thenew ceiling, useinlaid bolts, embeddedboltsorotherparts
provided onsite. Beforeproceedingthe installation, adjust thegap between the bolt
andthe ceiling.
3/8"nut hanging bolt
3/8"(M10)shim
3/8" washer
mainunit
(4)Installation of IndoorUnits
Fixthe indoorunitwith the hoisting stud.
If necessary,the machine can be hanged
on the beam withboltsinsteadof the
hoistingstud.
3. Preparationbefore Installation
(1)Unit height is11inches
top
H
C
0~0.8
StaticPressureRange
StaticPressureRange
unit: IWC
Installation Procedures
E
(in)
C
(in)
A
(in)
Size
Model
291/2
291/2
MVAH009-
018MV2AA
MVAH024-
030MV2AA
MVAH036-
048MV2AA 537/8
31
38 7/8
185/8
185/8
55 1/4207/8
H
(in)
273/8
273/8
313/8

8
washport
washport
mainunit
drainagehose
joint (purchasedat localshop)
sealingwasher [for insulation]
(accessory)
hardPVC tube(purchasedat localshop)
sealingwasher[forinsulation](accessory)
sealingwasher [for insulation](accessory)
threadclip
(accessory)
drainagehose
binding
393/8~78 6/8in
ProperPiping
hangingbolt
heatinsultor
gradient of1/100 or over
ImproperPiping
air outlet port
avoid lobing
avoidcurving
don'tputpipe
intowater
(a)Toprevent waterflowing back intoairconditionerwhen the unitstopsrunning,drainhose shoulddecline to the drainage
side with an inclination of above1/100. Drain hoseexpansion orwateraccumulation shouldbe prevented, orelseit will
causeabnormalnoise.
20 1/8
drain pipe 18 5/8
161/4
gaspipe liquidpipe
183/8
4. Drainpipes
MVAH009-030MV2AA
183/8
16
29 11/8
11/8
183/8
MVAH036-048MV2AA
unit:in
Installation Procedures
(b)Please use the accessory drain hose to connect indoorunit'swateroutlet andPVCpipe. Use snapringstotighten
themasshown in the following figure: