Multi F Installation Manual

10
MULTI F / MULTI F MAX Outdoor Unit Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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MULTI
F
MAX
MULTI
F
SPECIFICATIONS
Multi F MAX Branch Distribution Units
Table 3: Multi F MAX BD Unit General Data.
Model Number PMBD3620 PMBD3630 PMBD3640 PMBD3641
No. of Connectible Indoor Units
1
1-2 1-3 1-4 1-4
Max. Nominal Capacity / Port (Btu/h)
2
24,000 24,000 24,000
24,000 for A,B,C Ports;
36,000 for D Port
Max. Nominal Capacity / BD Unit (Btu/h) 48,000 72,000 73,000 73,000
Operation Temperature Range (°F DB) 0 ~ 150 0 ~ 150 0 ~ 150 0 ~ 150
Unit Data
Refrigerant Type R410A R410A R410A R410A
Power Supply V, Ø, Hz 208-230, 1, 60 208-230, 1, 60 208-230, 1, 60 208-230, 1, 60
Power Input (W) 16 24 32 32
Rated Amps (A) 0.08 0.12 0.16 0.16
Dimensions W x H x D (in.)
17-3/32 x 6-13/32
x 10-23/32
17-3/32 x 6-13/32
x 10-23/32
17-3/32 x 6-13/32
x 10-23/32
17-3/32 x 6-13/32
x 10-23/32
Net Unit Weight (lbs.) 13 14.3 15.7 15.7
Shipping Weight (lbs.) 15 17 18 18
Power Wiring / Communication Cables
3
From Outdoor Unit to BD Unit (Qty. x AWG)
3
4 x 16 4 x 16 4 x 16 4 x 16
From BD Unit to Indoor Unit (Qty. x AWG)
3
4 x 18 4 x 18 4 x 18 4 x 18
Piping Connections
Outdoor Unit to
BD Unit
Liquid (in., OD) Ø3/8 Ø3/8 Ø3/8 Ø3/8
Vapor (in., OD) Ø3/4 Ø3/4 Ø3/4 Ø3/4
BD Unit to
Indoor Units
Liquid (in., OD) x Qty. Ø1/4 x 2 Ø1/4 x 3 Ø1/4 x 4 Ø1/4 x 4
Vapor (in., OD) x Qty. Ø3/8 x 2 Ø3/8 x 3 Ø3/8 x 4
Ø3/8 x 3
Ø1/2 x 1
Piping Lengths
Maximum Total System Piping (ft.)
4
475.7 475.7 475.7 475.7
Maximum Main Pipe Length (Outdoor Unit
to BD Units [ft.])
180.4 180.4 180.4 180.4
Maximum Total Branch Piping (BD Units to
Indoor Units [ft.])
295.3 295.3 295.3 295.3
Maximum Branch Pipe Length Between
BD Unit and Each Indoor Unit [ft.])
49.2 49.2 49.2 49.2
Maximum Outdoor Unit to Indoor Unit
Pipe Length (ft.)
229.6 229.6 229.6 229.6
Main Piping Length (No Additional
Refrigerant (ft.)
16 16 16 16
Branch Piping Length (No Additional
Refrigerant (ft.)
131 131 131 131
Maximum Elevation between BD Unit and
Indoor Unit (ft.)
32.8 32.8 32.8 32.8
Maximum Elevation between BD Unit and
BD Unit (ft.)
49.2 49.2 49.2 49.2
1
At least one Branch Distribution Unit is required for system operation; a maximum of two can be installed per outdoor unit with use of Y-branch accessory (PMBL5620) To connect only
one (1) indoor unit to a branch distribution unit, the system must include another branch distribution unit with at least one (1) connected indoor unit.
2
Branch Distribution Unit can accommodate from one (1) indoor unit up to four (4) indoor units depending on the ports available on the Branch Distribution Unit.
3
All power wiring / communication cable to be minimum 16 AWG from the outdoor unit to the BD unit (Multi F MAX systems only), and 18 AWG from the BD unit to the indoor unit,
stranded, shielded or unshielded (if shielded, it must be grounded to the chassis of the outdoor unit only), and must comply with applicable local and national codes. For detailed electrical
information, please refer to electric characteristics on page 11.
4
Piping lengths are equivalent.