Table 1
Maximum allowable capacity index per Branch Selector unit
Model
Series configuration
Parallel configuration
Max capacity index of connect
-
able indoor units per Branch
Selector unit
Max capacity index of connect
-
able indoor units with Branch
Selector units connected in
series
Max capacity index of connect
-
able indoor units
BSF4Q54TVJ
A ≤ 144
B ≤ 230
C ≤ 144
BSF6Q54TVJ
A ≤ 162
C ≤ 216
BSF8Q54TVJ
A ≤ 162
C ≤ 290
Table 2
Capacity index of indoor units
Capacity type expressed as indoor unit’s model No.
05
07
09
12
15
18
24
30
36
42
48
54
72
96
Indoor unit’s capacity index (for use in computation)
5.8
7.5
9.5
12
15
18
24
30
36
42
48
54
72
96
<Example selection>
In the case of a Branch Selector unit connected to a FXFQ
12
P and a FXMQ
18
P.
Total capacity index =
12 + 18
= 30
1-4 Combinations
• This Branch Selector unit is only for systems for models REYQ-X
*
, REYQ-T
*
, RELQ-T
*
,
RWEQ-T
*
, REYQ-PC and RWEYQ-PC series.
• Refer to outdoor unit Engineering Data Book for details of applicable indoor units.
1-5 Checklist
Exercise particular care concerning the following items during installation work and check again
after installation is complete:
Post-installation checklist
Checklist
If defective
Check here.
Has the Branch Selector unit been installed securely?
The unit may fall, vibrate, or operate noisily.
Did you conduct a gas leak inspection?
The unit may fail to heat or cool as designed.
Was the unit fully insulated? (Refrigerant pipes)
The unit may leak water.
Is the supply voltage the same as the voltage indicated on the
label?
The unit may fail to operate or burn up.
Are there any wiring mistakes or erroneous wiring or erroneous
pipe connections?
The unit may fail to operate, burn up, or produce
abnormal noise.
Has the unit been grounded?
The unit may pose a hazard in the event of a
short-circuit.
Was the size of the electrical wiring selected in accordance with
relevant local and national codes?
The unit may fail to operate or have electrical
issues.
Delivery checklist
Checklist
Check here.
Has the cover been installed on the control box?
Did you give the customer the installation manual?
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