Mitsubishi PUH-4VKSA.UK Service Manual

1999

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

No.OC184

TECHNICAL & SERVICE MANUAL

Outdoor unit
[Model names]	[Service Ref.]
PUH-4VKSA	PUH-4VKSA.UK

CONTENTS

1. PART NAMES AND FUNCTIONS·····················2

2. SPECIFICATIONS ·············································2

3. DATA··················································· ···············3

4. OUTLINES AND DIMENSIONS ························4

5. WIRING DIAGRAM ···········································5

6. REFRIGERANT SYSTEM DIAGRAM··················6

7. DISASSEMBLY PROCEDURE ·························7

8. PARTS LIST ··················································· ···9

9. OPTIONAL PARTS ··························Back cover

OUTDOOR UNIT

The Slim Line.

From Mitsubishi Electric.

1 PART NAMES AND FUNCTIONS

Air outlet

Air intake

PUH-4VKSA.UK

CHARGELESS SYSTEM

PRE-CHARGED REFRIGERANT IS SUPPLIED FOR UP TO 30m PIPING LENGTH AT SHIPMENT.

The unique refrigerant circuit and a large accumulator always control the optimal refrigerant level regardless of the length (50m max. and 5m min.) of piping. The additional refrigerant charging work during installation often causes problems. Therefore, it is completely eliminated. This unique system improves the quality and reliability of the work done. It also helps to speed up the installation work.

	2			SPECIFICATIONS
		Service Ref.					PUH-4VKSA.UK
		Power supply (phase, cycle, voltage)					Single, 50Hz, 220~240V
				Input		kW	3.52
				Running current		A	16.3
				Starting current		A	79
		External finish					Munsell 5Y 7/1
		Refrigerant control					Capillary tube
		Compressor					Hermetic
				Model			NH56VNDT
	UNIT			Motor output		kW	2.7
				Starter type			Line start
	OUTDOOR			Protection devices			Internal thermostat, thermal switch, Hp switch
				Cranckcase heater			38
		Heat exchanger					Plate fin coil
				Fan(drive) o No.			Propeller (direct) o2
				Fan motor output		kW	0.065+0.065
				Airflow		CMM	95
		Defrost method					Reverse cycle
		Noise level				dB(A)	54
					W	mm(in)	870(34-1/4)
		Dimensions			D	mm(in)	295+24 (11-5/8 add 1)
					H	mm(in)	1258(49-1/4)
		Weight				kg(lbs)	94(207)
		Refrigerant					R-22
				Charge		kg(lbs)	4.2(9.2)
	REFRIGERANT PIPING			Oil (Model)		CC	1600 (MS-32)
		Pipe size O.D.			Liquid	mm(in)	9.52 (3/8)
					Gas	mm(in)	19.05(3/4)
		Connection method			Indoor side		Flared
					Outdoor side		Flared
		Between the indoor & outdoor unit			Height difference		Max. 50m
					Piping length		Max. 50m

	Notes1. Rating Conditions (JIS B8616)
	Cooling	: Indoor :27¡C(80¡F)DB. 19¡C(66¡F)WB				Outdoor :35¡C(95¡F)DB. 24¡C(75¡F)WB
	Heating	: Indoor :20¡C(68¡F)DB.				Outdoor :7¡C(45¡F)DB. 6¡C(43¡F)WB
	Refigerant piping length (one way) :5m (16ft)
	2. Guaranteed operating range
					Indoor	Outdoor
	Cooling		Upper limit		32¡C DB, 23¡C WB	43¡C DB
			Lower limit		21¡C DB, 15¡C WB	-5¡C DB
	Heating		Upper limit		27¡C DB	24¡C DB, 18¡C WB
			Lower limit		20¡C DB	-5¡C DB, -6¡C WB
	3. Above values are as follows.
	Indoor Unit			1 phase 240V 50Hz
	Outdoor Unit			1 phase 240V 50Hz
						2

3

DATA

1. REFILLING REFRIGERANT CHARGE (R-22 : kg)

Service Ref.

Refrigerant pipimg length (one way)

5m

10m

15m

20m

25m

30m

35m

40m

45m

50m

PUH-4VKSA.UK

3.5

3.6

3.8

3.9

4.1

4.2

4.4

4.5

4.6

4.8

2. COMPRESSOR TECHNICAL DATA

Outdoor unit

PUH-4VKSA.UK

Compressor Model

NH56VNDT

Winding

U-V

0.64

(R-C)

Resistance

U-W

1.55

(')

(R-C)

at 20-C

W-V

—

3

4

Outdoor Unit-Necessary surrounding clearance (Concentrated installation)

The upper side must be open.

150	300
	10

Air intake

For 10 units or less

1000

7 295(11-5/8) 24(1)

Outlet guide installation hole

	Side air intake
Handle			524
for moving
	Rear fresh	585	61
	air intake	Handle for moving
		345	524
138			83
95	23	33	40
	Rear piping hole
		Drain hole

185 (7-9/32) 500(19-11/16)

Air intake

Air outlet	870(34-1/4)
302

524

2-12o23 Oval holes (standard bolt M10)

Drain hole

		Outdoor Unit-Necessary surrounding clearance
				300
	185			Note:Allow adequate
	(7-9/32)
		10	10	upper clearance
	17
			Front opening
	39.5 27.5 330(13)	362(14-1/4)	500	100
		Terminal block for	10
		indoor and outdoor
			Service space
	15	unit connection
			500

Terminal block for power line and Ground terminal

Service panel

Handle		1258(49-1/2)
	959
for moving
		Refrigerant-pipe flared
382	403	connection [19.05 3/4F		45
		Refrigerant-pipe flared
		connection [9.52 3/8F
60		Knock out hole	60	53
				Knock out holes for
		for front piping
			120
104		(refrigerant,drainage		power line 2-[27
		and wiring)

	39				52	57

Bottom piping hole

2-U-shaped notched holes

Knock out hole
for right piping
(refrigerant,	R20
drainage and wiring)

R6 17

65

R20

80	25 max.

Standard bolt length

12					Front right piping holes-
					detail figures

4VKSA·UK-PUH

(inch) mm : Unit

DIMENSIONS AND OUTLINES 4