Installation Conditions For Each Requirement; Outdoor Unit Installation; Indoor Unit Installation; [ 1 ] [Confirmation Of Installation Space And Floor Area] - Toshiba MMY-SUG0801MT8P-E Installation Manual

(1) Installation conditions for each requirement

• To comply with the requirements of enhanced tightness refrigerating systems of IEC 60335-2-40, the system is
equipped with the shut-off valves (Flow Selector unit, Shut-off valve unit) , Leak detector and Battery kit.
And each systems have the appropriate safety systems in according to the system specifications.
In case the requirements of this manual are followed, no additional safety measures are needed.
• Follow the installation requirements below to ensure that the complete system is compliant to legislation.
If you have any questions, please contact the dealer where you purchased the product.
Depending on the conditions, safety measures (optional parts) may be required.
• System compliance has been completed to IEC60335-2-40 Ed6. If EN378 compliance is required please refer
separately to EN378 for guidance.

1) Outdoor unit installation

Please observe the following warning and install according to "4. Installation of R32 refrigerant air conditioner".
WARNING
Basically the outdoor unit has to be installed in outdoor area.
The outdoor unit has to be installed at least one side of 4 sides surrounding the unit open.
When installing indoors such as in a machine room, it shall be installed in accordance with IEC60335-2-40.
For other installation conditions, please contact the dealer where you purchased the product.
At least one side
10 or more
Front side (For work and service)

2) Indoor unit installation

For the installation of the indoor unit, refer to the installation manual attached to the indoor unit.
For the indoor unit installation of R32 air conditioning system, check the following before installing.
WARNING
• Appliance shall be installed, operated and stored in a room with a floor area larger than [A
• For appliances using R32 refrigerant connected via an air duct system to one or more rooms, the supply and
return air shall be directly ducted to the space.
Open areas such as false ceilings shall not be used as a return air duct;
• No auxiliary devices, which may be a potential ignition source, shall be installed in the duct work.
(example: hot surfaces with a temperature exceeding 700°C and electric switching device)
• There shall be no operating ignition sources (example: open flames, an operating gas appliance or an operating
electric heater) in case the floor area is less than the minimum floor area A (m²).
For the applicable floor area and minimum floor area [A
31-EN
Front Back
side side
500+h1/2 300+h2/2
or more or more
When the obstacle exceeds the specified
value
] m 2 .
min
], refer to [ 1 ] to [ 5 ] below.
min
• Piping shall be installed according to the instructions in "8 Refrigerant piping".
The length of the connection pipe, types of Flow Selector unit and Shut-off Valve unit etc. are determined by the
indoor floor area.
[ 1 ] [Confirmation of installation space and floor area]
• Make sure that the installation height and floor area of each indoor unit type meet the installation height and floor
area specified by the total system refrigerant amount.
• Please refer to the attached "Installation data" for the numerical values of line A and line B in the graphs below.
(d)
(c)
(b)
Minimum floor area A
Ceiling mounted type (include duct type)
(d)
Minimum floor area A
Hot water module
Other than the lowest basement
floor
Area (a) No safety measured required.
Leak detector required.
Area (b)
Leak detector and safety shut-off
Area (c)
valve required.
Installation not permitted.
Area (d)
– 16 –
Line B
(c)
Line A
(a)
[m 2 ] Minimum floor area A
min
Wall mount and under ceiling Type
Other floors
Line A
(a)
[m 2 ]
min
The lowest floor of the basement
The lowest floor of the basement
No safety measured required. A large space of LFL/4 or less.
Leak detector and safety shut-off A large space of LFL/4 - LFL/2.
valve required.
Installation not permitted. A narrow space of LFL/2 or more.
Installation not permitted. Maximum allowable total
refrigerant amount determined
from LFL.
(d)
Line B
(b)
Line A
(a)
[m 2 ]
min
LFL threshold
EN
32-EN