3P405106-10 English
3
1-4 Checklist
Exercise particular care concerning the following items during installation work and check again after
instal lation 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.
Is the thickness of the electrical wiring the same as described in the
specifications?
The unit may fail to operate or burn up.
Delivery checklist
Checklist
Check here.
Has a cover been installed on the control box?
Did you give the customer the installation manual?
2. SELECTING INSTALLATION SITE
Select an installation site where the following conditions are satisfied and that meets with your customer’s approval.
•
Where is resistible against weight of Branch Selector unit.
•
Locations where the wall is not significantly tilted.
•
Where sufficient clearance for maintenance and service can be ensured. (
Refer to Fig. 1.)
•
Locations where an inspection hole (
refer to Fig. 2
) can be installed to the control box side (see Note).
•
Where the total piping length involving indoor unit and outdoor unit is below the allowable piping length.
(See installation manual attached to outdoor unit.)
Note: The control box mounting surface can be changed.
For information on how to change the mounting surface, refer to
“4. BRANCH SELECTOR UNIT
INSTALLATION”.
Unit: in. (mm)
Branch Selector
unit Name
BSQ36TVJ
BSQ60TVJ
BSQ96TVJ
10 (250) or more
10 (250) or more (*2)
12 (300) or more (*3)
10 (250) or more (*1)
10 (250) or more (*2)
12 (300) or more (*3)
A
B
(*1) When using accessory pipes 1)-1, 2 (refer to 5-5 Piping
connection), provide a service space of at least 12 in. (300 mm).
(*2) When using accessory pipes 1)-1, 2 (refer to 5-5 Piping
connection), provide a service space of at least 14 in. (350 mm).
(*3) When using accessory pipes 1)-1, 2 (refer to 5-5 Piping
connection), provide a service space of at least 16 in. (400 mm).
A
B
Indoor unit
side (2 pipes)
Unit: in. (mm)
Outdoor unit
side (3 pipes)
2-5/8 (65) or more
2 (50) or more
Branch Selector unit
top
Control box
Inspection hole
18 (450) x 18 (450)
Unit: in. (mm)
Be sure to open this to the
control box side.
Fig. 1
Fig. 2
WARNING
Securely install the unit at a location that is capable of withstanding its weight.
Inadequate strength may cause the indoor unit to fall, resulting in bodily injury.
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