Daikin BS4Q14AV1 Installation Manual

Contents

4 English2-3 Combination• This BS unit is only for systems for Models REYQ-T.It cannot be connected to systems for Models 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) of the indoor units to be connecteddownstream, refer to the Table 1. About indoor unit’s capacity, refer to the Table 2.Table 1Model Total capacity of all downstream indoor unitsBS4Q14AV1 A ≤ 400 (*)BS6Q14AV1 A ≤ 600 (*)BS8Q14AV1BS10Q14AV1BS12Q14AV1BS16Q14AV1A ≤ 750 (*)* The total capacity and number of indoor units connectable to each branch connector are up to 140and 5, respectively.* When the total capacity of indoor units to be connected downstream is larger than 140 (MAX.250), use a junction pipe kit (KHRP26A250T, sold separately) to join two connections downstreamfrom the BS unit.Table 2Capacity expressed as indoor unit’s model No. 20 25 32 40 50 63 80 100 125Indoor unit’s capacity (for use in computation) 20 25 31.25 40 50 62.5 80 100 125* About indoor unit’s capacity for HRV type (VKM), refer to the Engineering data book.In case of the BS unit with connect a FXCQ32M and a FXSQ40M.Total capacity = 31.25+40 = 71.252-4 ChecklistExercise particular care concerning the following items during installation work and check again afterinstallation is complete:Post-installation checklistChecklist If defective Check here.Has the BS 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 and drain pipes) The unit may leak water.Does water flow smoothly from the drain? The unit may leak water.Is the supply voltage the same as the voltage indicated on thelabel? The unit may fail to operate or burn up.Are there any wiring mistakes or erroneous wiring or erroneouspipe connections?The unit may fail to operate, burn up, or produceabnormal noise.Has the unit been earthed? The unit may pose a hazard in the event of ashort-circuit.Is the thickness of the electrical wiring the same as described inthe specifications? The unit may fail to operate or burn up.Delivery checklistChecklist Check here.Has a cover been installed on the control box?Did you give the customer the installation manual?