Panasonic U-72MF1U9E User's Guide download pdf (Page 88)

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U-72MF1U9E
User's Guide

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3WAY VRF SYSTEM Unit Speciﬁ cations

4 - 14

1. Outdoor Unit

Position of center

of gravity

U-72MF1U9

U-72MF1U9E

MODEL

15-3/8

(392)

Position of center

of gravity

Weight

lbs (kg)

573

(260)

683

(310)

17-3/4

(452)

33-5/8

(853)

13-1/4

(336)

18-7/8

(481)

30-1/4

(767)

U-96MF1U9

U-96MF1U9E

Top view

in. (mm)

unit : in.

31-1/8

(Installation hole pitch)

(Ceiling panel dimensions)

36-1/4

(Installation hole pitch)

37-1/2

(Maximum dimensions)

(Ceiling panel dimensions)

1-47/64

31-7/64

34-9/16

Front view

Right side

(8-1/2)

82-9/16

31-19/64

74-1/16

TD831158-00_3WAY_VRF_SYS.indb 14TD831158-00_3WAY_VRF_SYS.indb 14 2011/12/12 17:22:442011/12/12 17:22:44

1 2 ... 83 84 85 86 87 88 89 90 91 92 93 ... 117 118

3WAY VRF System 1
IMPORTANT! 2
Please Read Before Starting 2
Check of Density Limit 3
Manifold gauge 4
Vacuum pump 4
1. OUTLINE OF 3WAY VRF SYSTEM 7
4-Way Cassette 8
(U1 Type) 8
1-Way Cassette 8
(D1 Type) 8
1. Line-up 9
Outline of 3WAY VRF SYSTEM 10
2. DESIGN OF 3WAY VRF SYSTEM 15
Design of 3WAY VRF SYSTEM 16
2. System Design 32
3. Electrical Wiring 38
4. Installation Instructions 46
5. HOW TO PROCESS TUBING 54
6. AIR PURGING 58
7. Optional Parts 61
3. Control of 3WAY VRF SYSTEM 73
5. TEST RUN 91
Balance tube 92
Liquid tube 92
Discharge tube 92
Suction tube 92
2. Test Run Procedure 93
4. Auto Address Setting 100
LED 1 LED 2 101
Display meaning 101
6. Caution for Pump Down 102
7. Meaning of Alarm Messages 103
Test Run 105
– MEMO – 106
Contents 107
6. ELECTRICAL DATA 107
1. Outdoor Unit 108
PCB and Functions 112
1. Outdoor Unit Control PCB 114
TENTATIVE 118

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Panasonic U-72MF1U9E User's Guide Page 88

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