Mitsubishi Electronics PUHY-YMC Space required around unit, Individual installation

Page 7

6. Space required around unit

6.1. Individual installation

Basic space required

A space of at least 250 mm is necessary at the back for inlet air. Taking servicing, etc. from the rear into account, a space of about 450 mm should be provided, the same as at the front.

	D
A
E	F
B
C
<Top view>	<Side view>

A250 mm or more

B450 mm or more

CFront (outside of machine room)

DTop discharge (open in principle)

EFront inlet (open in principle)

FRear inlet (open in principle)

When inlet air enters from right and left sides of unit

When unit is surrounded by walls
		A	B
B
	h	C		E
	h
	D
	D			h
A	H	650	325
	H	650	325	H
C
			<Side view>

AL1 or more

BL2 or more

CFront

DFront panel

ERear panel

figure above to L1 and L2 in the table above.				ENGLISH
Note:
• Wall heights (H) of the front and the back sides shall be within
height of front panel and rear panel.
• If the panel height is exceeded, add the “h” dimension of the

Model	L1	L2
PUHY-400	450	250
PUHY-500	450	250
PUHY-500

Example: When h is 100

The L1 dimension becomes 450+100 = 550 mm.

	B
C	A
	A

D

AL1 or more

A	B
	h
C	H
	<Side view>

When there is an obstruction above the unit

A

E

D

B

BL2 or more

CFront

DNo restrictions on wall height (left and right)

Note:

•Wall heights (H) of the front and the back sides shall be within overall height of unit.

•When the total height is exceeded, add the “h” dimension of the figure above to L1 and L2 in the table above.

	Model	L1	L2
	PUHY-400	450	250
	PUHY-500	450	250
	PUHY-500

C F

When there is little space

up to an obstruction

A45° or more

B300 mm or more

CFront

D1000 mm or more

EAir outlet guide (procured at the site)

FRear

7

Image 7

Contents PUHY-YMC Contents Before installation and electric work Safety precautionsBefore getting installed Before starting the test run Before getting installed moved electrical workConfirmation of parts attached Combination with indoor unitsVariable capacity unit Constant capacity unit Outdoor unit configurationSelection of installation site Model Name Connecting pipe Elbow ShapeSpace required around unit Individual installationWhen inlet air enters from right and left sides of unit When there is an obstruction above the unitCollective installation and continu- ous installation Lifting method and weight of productBe very careful to carry product Location of anchor bolt Installation of unitInstallation Example of collective installationNoise level Connecting direction for refrigerant pipingDown piping and down wiring precautions 60/61 dB A-weightedPUHN-200/250YMC Snow and seasonal windCountermeasure to seasonal wind PUHY-400/500YMCAreas of caution Refrigerant piping installationNever perform a pump down. This will damage the compressor + α Refrigerant piping systemMultiple line/header For variable capacity unit Precautions concerning piping connection and valve operationFigure shows valve fully open Gas side Liquid side Oil balance side60 to 50 to 57.5 / 500 to75 to 750 to 100 to 1000 to Tightening angle standard Pipe diameter mmOil balance pipe connection method Part could be damaged if not cooled sufficiently Distributor gas connection methodGram below How to install branch pipeJoint Restrictions on the posture for attaching jointsAirtight test Airtight test and evacuationEvacuation Thermal insulation of refrigerant piping No heat insulation must be provided for electric wiresInner wall concealed Floor fireproofing PenetrationsElectrical work Variable capacity unit Control box and connecting posi- tion of wiringConstant capacity unit Transmission booster optional For details, see item 11.3. Wiring transmission cablesPlate HoleName, code and possible unit connections Wiring transmission cablesConnecting a transmission booster Wiring examplesWithin Address Unit Remote control operation Same as above Wiring method, address settingRemote control RC terminal block TB6 One remote control unit for each indoor unitFor details, see wire connection example C Main remote controller Wiring LineSame group to the remote control RC terminal block TB6 Unit Range Setting methodExtended length and the length to the most remote unit Booster RP WiringCapability Number of connected indoor units that can be Wiring of main power supply and equipment capacity Test run method Operation procedureTest run Checking before getting test runAbnormality How to cope with test run abnormalityFlag 8 always lights 6603 Transmission error Transmission route Busy ErrorPower on Display at LED lighting blinking Remarks Flag Relay outputCoping with remote controller abnormality Following phenomena do not represent abnormality emergency NMK Nkok NknkNkqk NKPK#$%&*+#$%&*+#,%&- ./0123145&6789#$%&=?@. !# Sknk #$% +,-.Ü SkokUknk TK=Ukok Ukpk Ukqk Vkok Nmknk = NMK=$%&*+,-./01 NMKOK=#$%&*+QMã NMKPK=L Ãã ! k·ãLâÖJÅã NMKQK=#$%&#*#%+, -. !*# NMKRK= NMKSK= #$%& *+& 012345678 .#$%&*+,-./0 1$%#234 NNKNK= NNK=NNKOK= Rsrv NNKPK=#$% +,-./012 NRO #$% +,-./0/12`kQN =EqRF= !# $%&*+ Vwt NNKQK=NOKOK= NOKNK=NOKPK= EptNF EibaF NOKQK= `ççäáåÖ EÉ~íáåÖ NokrkNMK Nknk Nkqk #$%&!*+ Sknk Skok TK= Ukok Ukpk Ukqk Vkok NMK= NMKOK= #$%&*+QMã NMKPK=L NMKQK= #$%&#*#%+, -. !*# NMKRK= NMKSK= #$%& *+& 012345678 .#$%&*+,-./0 1$%#234 NNK= NNKOK= NNKPK= #$% +,-./012 NRO #$#%&* +,-./0123456 =EqRF= !# $%&*+ NNKQK= NOK= NOKPK= EptNF EibaF NOKQK= Nokrk WT02922X02