English
5
2-4 COMBINATION
•
This BS unit is only for systems for Models REYQ-T.
It cannot be connected to systems for Models REYQ-M+REYQ-P.
•
For series of applicable indoor units, refer to the catalog or other literature.
•
Select the BS unit to fit the total capacity (sum of unit’s capacity) and max. number of the indoor units to be
connected downstream. About indoor unit’s capacity, refer to the Table 2.
Table 1
Table 2
* About indoor unit’s capacity for HRV type (VKM), refer to the Engineering data book.
<
Example
>
In case of the BS unit which connects two FXCQ
32
M and two FXSQ
40
M.
Total capacity =
31.25
x2+
40
x2 = 142.5
→
Select BS1Q16
2-5 CHECK ITEM
•
For the following items, take special care during construction and check after installation is finished.
Completion check items
Hand-over check items
3. SELECTING INSTALLATION SITE
The equipment is not intended to be installed in spaces where it is better to avoid noise, like bedrooms. (
Refer
to Fig. A
).
The equipment is not intended for use in a potentially explosive atmosphere.
Select an installation site where the following conditions are satisfied and that meets with your customer’s
approval.
•
Where is resistible against weight of BS 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 EL. COMPO. 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.)
Model
Total capacity of all downstream indoor units
Max. number of all downstream indoor units
BS1Q10
A
≤
100
6
BS1Q16
100 < A
≤
160
8
BS1Q25
160
<
A
≤
250
8
Capacity expressed as indoor unit’s model No.
15
20
25
32
40
50
63
80
100
125
200
250
Indoor unit’s capacity (for use in computation)
15
20
25
31.25
40
50
62.5
80
100
125
200
250
Check items
Problems
Check
Are the BS units installed securely?
Falling, vibration, and operating noise
Have you performed a gas leak test?
Does not cool or heat
Is the insulation complete? (Refrigerant piping and pipe connection part)
Water leaking
Is the voltage the same as that listed on the unit’s nameplate?
Does not operate/burnt out
Are all the wiring and piping correct?
Does not operate/burnt out
Is the unit grounded?
Dangers during electrical leak
Is the thickness of the power cord as specified?
Does not operate/burnt out
Check items
Check
Did you close the EL. COMPO. BOX lid?
Did you hand the operating manual and warranty card to the customer?
