Toshiba MMY-MAP1604HT8Z-E, MMY-MAP1604HT8ZG-E SMMS-i, Installation Manual, 23-EN, 24-EN

SMMS-i

Installation Manual

SMMS-i

Installation Manual

Header

Follower

Follower

Follower

No.

Piping parts

Name

Selection of pipe size

Remarks

Connecting pipe size of outdoor unit

unit A

unit B

unit C

unit D

Type

Gas side

Liquid side

Outdoor unit

Outdoor unit

MAP080

Ø22.2

Ø12.7

Same as connecting

(1)

È

Outdoor unit

MAP100

Ø22.2

Ø12.7

Outdoor unit

pipe size of the

connecting pipe

MAP120

Ø28.6

Ø12.7

connection piping

outdoor unit.

kit

MAP140

Ø28.6

Ø15.9

(1)

(1)

(1)

(2) Balance pipes Ø9.5

MAP160

Ø28.6

Ø15.9

(8)

Pipe size for connecting piping between outdoor units

(1) Outdoor unit connecting pipes

(8)

(8)

Total capacity codes of

outdoor units at the

Gas

Liquid

Balanc

(2)

(2)

downstream side

Equivalent to

Equivalent to

side

side

e pipe

Pipe size differs based

(3) Main

Between Outdoor

Main connecting

HP

capacity

on the total capacity

(2)

45.0 to below

code value of outdoor

piping

(8) Outdoor unit connection piping kit (For linking of outdoor units)

unit connection

piping between

16 to below 22

Ø28.6

Ø15.9

units at the

piping kits

outdoor units

61.5

downstream side.

(7) Branching header

22 to below 26

61.5 to below

Ø34.9

Ø19.1

(See Table 2.)

(6)

(4) Branching pipe

73.0

Ø9.5

26 to below 36

73.0 to below

Ø34.9

Ø19.1

101.0

First branch

36 or more

101.0 or more

Ø41.3

Ø22.2

Y-shape

(6) Y-shaped branching joint

(5) Indoor unit connecting pipe

(4)

branching joint

Size of main piping

(4)

Indoor unit

(5)

(5)

(5)

(5)

Total capacity codes of all

outdoor units

Gas

Liquid

Equivalent to

Equivalent to

side

side

HP

capacity

(6)

(6)

Outdoor unit

8 to below 12

22.4 to below 33.5

Ø22.2

Ø12.7

(6)

(4)

(6)

(4)

(4)

connection piping

12 to below 14

33.5 to below 38.4

Ø28.6

Ø12.7

Pipe size differs based

(3)

kit of header unit

Main piping

14 to below 22

38.4 to below 61.5

Ø28.6

Ø15.9

on the capacity code

È

of the outdoor unit.

First branching

22 to below 36

61.5 to below

Ø34.9

Ø19.1

(See Table 2.)

(5)

(5)

(5)

(5)

(5)

section

101.0

101.1 to below

36 to below 46

Ø41.3

Ø22.2

130.0

Indoor unit

46 or more

130.0 or more

* Ø41.3

Ø22.2

* Maximum equivalent length of main pipe is 70m or less (The actual

length is 50m or less.).

Pipe size between branching sections *1

Total capacity codes of indoor

units at downstream side

Gas

Liquid

Equivalent to HP

Equivalent to

side

side

Pipe size differs based

capacity

on the total capacity

Below 2.4

Below 6.6

Ø12.7

Ø9.5

code value of indoor

units at the

Branching section

2.4 to below 6.4

6.6 to below 18.0

Ø15.9

Ø9.5

downstream side. If

(4)

È

Branching pipe

6.4 to below 12.2

18.0 to below 34.0

Ø22.2

Ø12.7

the total value

exceeds the capacity

Branching section

12.2 to below 20.2

34.0 to below 56.5

Ø28.6

Ø15.9

code of the outdoor

unit, apply the

20.2 to below 35.2

56.5 to below 98.5

Ø34.9

Ø19.1

capacity code of the

outdoor unit. (See

35.2 or more

98.5 ore more

Ø41.3

Ø22.2

Table 1 and 2.)

*1: If exceeding the main pipe size, set the size to the same as the

EN

main pipe size.

23-EN – 12 – 24-EN