Toshiba RAV-162BH-PE Service Manual page 74

14.4 Piping length/additional refrigerant volume
Piping length
less than (m)
20
Model
(RAV-)
162AH-PE
262AH-PE
Filled at
262AH8-PE
factory
362AH8-PE
462AH8-PE
l
The amount of refrigerant put into the outdoor unit at the factory is equivalent to the one that fills up 20m length of refrigerant pipe.
l
If the length of refrigerant pipe is 20m or less, addition of refrigerant at the installation site is unnecessary. If the length of the pipe
exceeds 20m, add the refrigerant R-22.
l
Overcharge or undercharge of refrigerant in the outdoor unit will cause malfunction of the compressor. The prescribed amount of
the replenishment of the refrigerant is shown in the table above.
The permissible amount of refrigerant is the prescribed amount ±50g.
l
For RAV-362AH8-PE and RAV-462AH8-PE, the length of pipe exceeds 30m the size of pipe at the gas side must be raised
one rank (eq 19.0 → 22.2).
14.5 Air flow distribution
RAV-132UH-PE
RAV-162UH-PE
RAV-262UH-PE
RAV-362UH-PE
RAV-462UH-PE
Air flow direction & volume ratio
MODEL
RAV-132/162/262UH-PE
RAV-362/462UH-PE
Tel: 01823 665660
Heronhill - for all your Toshiba requirements
Additional amount of refrigerant
at installation site (kg)
25 30 35 40 45
0.15 0.35
0.3 0.6
0.25 0.5 0.75 1.0 1.25 1.5 3.0 3.15 3.25 3.4 3.65 3.9 4.15 4.4 4.65 4.9
0.25 0.5 0.75 1.0 1.25 1.5 3.6
Top view
No. of discharge way
Air flow direction
Air volume ratio (%)
Air volume ratio (%)
(Note)
When installing more than one unit in the same
room keep a 5m distance between each unit.
www.heronhill.co.uk
Recharge amount of interchange time (kg)
50 5 10 15 20
1.35 1.45 1.5 1.6 1.75 1.95
2.2 2.25 2.3 2.35 2.65 2.95
3.7 3.8 3.9 4.15 4.4 4.65 4.9 5.15 5.4
Indoor
Unit
Ceilling panel
Not to block the A and B
direction (longer side).
4-way
A B C D
30 30 30 10
40 40 10 10
-78-
25 30 35 40 45
Piping joint
3-way 2-way
A B C A B
33 33 33 50 50
40 40 20 50 50
5 m
Fax: 01823 665807
50