S-Mms System Specifications To Connect Fresh Air Intake Indoor Unit - Toshiba MMD-AP0481HFE Service Manual

1-1. S-MMS System Specifications to Connect Fresh Air Intake Indoor Unit

1-1-1. Combination Conditions
The fresh air intake indoor unit is connectable to S-MMS (Super Modular Multi system).
However this is not connectable to S-HRM (Super Heat Recovery Multi system).
Keep the height difference between the fresh air intake indoor units to 0.5m or less.
• The fresh air intake indoor unit is usually used together with the indoor units on one line of the multi system.
The fresh air intake indoor unit only cannot be connected.
[Installation example
of all fresh air intake indoor unit system]
Fresh air intake fresh air intake
indoor unit indoor unit
Indoor air conditioner
All fresh air intake indoor unit system
80 to 100% to capacity of the outdoor units
NO GOOD
Outdoor unit
Inside of ceiling
NG
OK
Up to two fresh air intake indoor units
occupy 30% or less against
total capacity of indoor units
[Installation example
of intermingled system]
Fresh air intake
indoor unit
Intermingled system with
indoor air conditioner
– 10 –
0.5m or less
Outdoor unit
OK
Indoor air conditioner