Rav103; Multiple Indoor Units May Be Connected To One Outdoor Unit, Providing The Total Indoor Code Does Not; Exceed The Outdoor Unit Code Number. The Outdoor Unit Codes Are Listed Below - Toshiba MAR - M81HTM8 - E Service Manual

TOSHIBA
2. Basic Permutations of Indoor to Outdoor Units
The indoor units are given a code number according to their capacity rank - see below
Model Number

RAV103

RAV132/133
RAV453/160/1/2/3
RAV202/3
RAV713/260/1/2/3
RAV1003/360/1/2/3
RAV1253/460/1/2/3

Multiple indoor units may be connected to one outdoor unit, providing the total indoor code does not

exceed the outdoor unit code number. The outdoor unit codes are listed below

Model
MAR-M81HTM8-E
MAR-M101HTM8-E
When connecting up to four single indoor units only one multi controller is required, if more single
indoor units are needed then two multi controllers must be used. When connecting a twin indoor
arrangement to one multi controller branch the capacity code will be the sum of both indoor unit
codes.
Example :
Model No.
RAV133TUH
RAV133TUH
RAV202KH(W)
RAV202KH(W)
The total capacity codes for the example above are within the maximum permitted for a 10hp
(MAR-F101HTM8-E) outdoor unit therefore the use of a twin arrangement is acceptable.
NOTE : The maximum duty from the system cannot exceed the maximum capacity of the outdoor
unit, it is possible to use indoor uits with a total capacity of 135% of the outdoor unit capacity.
AUGUST 1997
Max.. No. Indoor Units
8
8
Arrangement
Single
Twin
Single
Twin
Page 5
Code Number
2
3
4
5
6
8
10
Min Code
3
3
Indoor Capacity Code
3
3
5
5
Total
Max. Code
21
27
Total Capacity Code
3
6
5
10
24