Components; Outdoor Unit; Branching Joints/Headers - Toshiba HFCR407C Service Manual

1.

Outdoor unit

Corresponding HP
Model name
Cooling capacity (kW)
Heating capacity (kW)
Corresponding HP
Model name
Cooling capacity (kW)
2. Outdoor units (combination of outdoor units)
Corresponding HP
Combined model
MM-A-HT/MM-A-CT
Cooling capacity (kW)
Inverter unit
Combined Fixed-speed
outdoor units unit
No. of connectable
indoor units
Min. HP connected
Max. HP connected
3.

Branching joints/headers

Y-shape branching joint
4-branching header (*3) RBM-H4037-SK Indoor unit capacity code (*1): Total < 6.4
8-branching header (*3) RBM-H8037-SK Indoor unit capacity code (*1): Total < 6.4
T-shape branching joint
(For connection of
outdoor unit)
(*1) Code is determined according to the capacity code of the Indoor units connected.
(*2) If the total capacity code value of Indoor units exceeds that of Outdoor units, apply the capacity code of Outdoor units.
(*3) When using a branch header, Indoor units with a maximum of 6.0 capacity code in total can be connected to each
branch.
If the length of the gas pipe exceeds 30m from the 1st branching to an Indoor unit, increase the gas pipe size by
NOTE:
1 size, i.e. MM-U140 = Gas Ø22.2, Liquid Ø9.5
Introduction

Components

Inverter unit
8 HP 10 HP
MM-A0224HT MM-A0280HT
22.4 28.0
25.0 31.5
Inverter unit
8 HP 10 HP
MM-A0224CT MM-A0280CT
22.4 28.0
8HP 10HP 14HP 16HP 18HP 20HP 22HP 24HP 26HP 28HP 30HP 32HP 34HP 36HP 38HP 40HP 42HP 44HP 46HP
0224 0280 0384 0440 0504 0560
22.4 28.0 38.4 44.8 50.4 56.0
8HP 10HP 8HP 8HP 10HP 10HP 8HP
- - 6HP 8HP 8HP 10HP 8HP
- - - - - -
- - - - - -
- - - - - -
13 16 16 18 18 20
4 5 7 8 9 10
10.8 13.5 18.9 21.6 24.3 27
Model name Usage
RBM-Y018-SK Indoor unit capacity code (*1): Total < 6.4
RBM-Y037-SK Indoor unit capacity code (*1): 6.4 = Total < 13.2
RBM-Y071-SK Indoor unit capacity code (*1): 13.2 = Total < 25.2
RBM-Y129-SK Indoor unit capacity code (*1): 25.2 = Total
RBM-H4071-SK Indoor unit capacity code (*1): 6.4 = Total < 13.2
RBM-H8071-SK Indoor unit capacity code (*1): 6.4 = Total < 13.2
1 set of 3 types of T-shape joint pipes as described below.
The required quantity is arranged and they are combined at the site.
RBM-T129-SK
Connecting pipe
Balancing pipe
Piping at liquid side
Piping at gas side
Fixed-speed unit
6 HP 8 HP
MM-A0160HX MM-A0224HX
16.0 22.4
18.0 25.0
Fixed-speed unit
6 HP 8 HP
MM-A0160CX MM-A0224CX
16.0 22.4
0608 0672 0728 0784 0840 0896
60.8 67.2 72.8 78.4 84.0 89.6
8HP 10HP 10HP 10HP 8HP
8HP 8HP 10HP 10HP 8HP
6HP 8HP 8HP 8HP 10HP 8HP
- - - - - 8HP
- - - - - -
22 24 26 28 30 32
11 12 13 14 15 16
29.7 32.4 35.1 37.8 40.5 43.2
Corresponding dia. (mm)
9.52
12.7 to 22.2
22.2 to 54.1
7
10 HP
MM-A0280HX
28.0
31.5
10 HP
MM-A0280CX
28.0
0952 1008 1064 1120 1176
95.2 100.8 106.4 112.0 117.6 123.2 128.8
10HP 10HP 10HP 10HP 10HP 10HP 10HP
8HP 10HP 10HP 10HP 8HP
8HP 8HP 10HP 10HP 8HP
8HP 8HP 8HP 10HP 8HP
- - - - 8HP
34 36 38 40 40
17 18 19 20 21
45.9 48.6 51.3 54 56.7
Appearance
(*2)
(*2)
(*2)
Max. 4
branches
Max. 8
branches
Quantity
1
1
1
1
1232 1288
10HP 10HP
8HP 10HP
8HP 8HP
8HP 8HP
40 40
22 23
59.4 62.1