Toshiba Air Conditioners - 100% Fresh Air Intake Unit, VRF 

100% fresh air intake

Three models (5HP, 8HP, 10HP) of Toshiba VRF units with 100% fresh air intake are prepared. For the fresh air intake indoor units, up to 2 units for one system and also within 30% to capacity of the connectable indoor air conditioners are allowed.

The fresh air intake indoor unit means an air controller for taken-in fresh air. Intake of the fresh air often influences on the system so that the normal control of the air conditioner becomes difficult or gives a large load upon air controller and cooling performance. Therefore it is frequently adopted to handle the fresh air to a certain condition before the fresh air will enter in the main air conditioner. This handling device is called a fresh air intake indoor unit.

NOTE: The fresh air intake indoor unit is an air conditioner provided to handle the fresh air load and is not to control the room temperature. For correspondence to the load of the indoor air controller, set an air conditioner separately.

The fresh air intake indoor unit is connectable to Toshiba S-MMS (Super Modular Multi system). However this is not connectable to Toshiba S-HRM (Super Heat Recovery Multi system). 

Usage conditions

• The total capacity of the indoor air conditioners and the fresh air intake indoor units is restricted 80% to 100% against the capacity of the outdoor units.
• Up to two fresh air intake indoor units can be connected on one refrigerant cycle.
• The allowable total capacity of the fresh air intake indoor units shall be 30% or less against the capacity of the indoor air conditioners (including the fresh air intake indoor units).
• The height difference between the fresh air intake indoor units shall be 0.5 m or less.
• Use temperature: COOL: 5 to 43°C; HEAT: –5 to 43°C 

Special mentions

1. The fan operation of the fresh air intake indoor unit stops during defrosting.
2. When a central controller is used, divide zone setup of indoor air conditioner and fresh air intake unit.
3. The standard is to control the discharge temperature. However the priority is given to the capacity control for the indoor air conditioner in a system in which the normal indoor air conditioner concurrently operated.
4. The fresh air intake indoor unit cannot be connected with remote controller group of the indoor air conditioner.
5. In heating operation, if the outside temperature is below –5°C, the operation stops automatically. (FAN stop) (To protect the refrigerant cycle)
6. In cooling operation, if the outside temperature is below 5°C, the operation stops automatically. (FAN stop)

Technical Data of Toshiba 100% Fresh Air Intake Unit, VRF

Model Line-up of Toshiba 100% Fresh Air Intake Unit, VRF

MMD-AP0481HFE 14 kW (cooling) 8,9 kW (heating) MMD-AP0721HFE 22,4 kW (cooling) 13,9 kW (heating) MMD-AP0961HFE 28 kW (cooling) 17,4 kW (heating)

This new Toshiba VRF indoor unit offers the possibility to introduce into the building external fresh air and to control air discharge temperature. The Fresh Air Intake indoor unit provides 100% fresh air inside the building with controlling the exhaust temperature. The high static pressure of up to 196 Pa makes it to a powerful and multi-usable fresh air distributor. Inconspicuous, flexible, compact and easy to instal it is the perfect solution for schools, hospitals, offices and all other buildings where fresh air intake is needed. Fresh air intake units are for Toshiba's SMMS VRF systems of 18 HP or more. Up to 2 units for one system and also within 30% to capacity of the connectable indoor air conditioners are allowed. Pre-heat or pre-cool function Compact size Easy installation 3 levels for static pressure (70 - 196 Pa) Contact Toshiba Vietnam: +84 4 665 88886 for more support.

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