Carrier 45MBCAQ - Page 4

45MBCAQ: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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Table 1 — A (min)
For R454B refrigerant charge amount and minimum room area:
The indoor unit should be installed at least 5.9ft/1.8m above the floor, and the minimum room area for operation or storage should be as
specified in Table 1.
hinst: Height Above Floor Level to Center of Indoor Unit / feet (meters
MC or Mrel
Refrigerant Charge Amount / pounds
(kilograms)
6.0 (1.8) 6.5 (2.0) 7.0 (2.1) 7.5 (2.3) 8.0 (2.4) 8.5 (2.6) 9.0 (2.7) 9.5 (2.9) 10.0 (3.0.8)
4.0 (1.8) 33 (3.1) 28 (2.6) 24 (2.2) 21 (1.9) 18 (1.7) 16 (1.5) 14 (1.3) 13 (1.2) 12 (1.1)
4.5 (2.0) 41 (3.8) 35 (3.3) 30 (2.8) 26 (2.5) 23 (2.2) 21 (1.9) 18 (1.7) 16 (1.5) 15 (1.4)
5.0 (2.3) 51 (4.7) 43 (4.0) 37 (3.5) 33 (3.0) 29 (2.7) 25 (2.4) 23 (2.1) 20 (1.9) 18 (1.7)
5.5 (2.5) 61 (5.7) 52 (4.9) 45 (4.2) 39 (3.7) 35 (3.2) 31 (2.8) 27 (2.5) 24 (2.3) 22 (2.1)
6.0 (2.7) 73 (6.8) 62 (5.8) 54 (5.0) 47 (4.4) 41 (3.8) 36 (3.4) 32 (3.0) 29 (2.7) 26 (2.4)
6.5 (3.0) 86 (8.0) 73 (6.8) 63 (5.9) 55 (5.0) 48 (4.5) 43 (4.0) 38 (3.5) 34 (3.2) 31 (2.9)
7.0 (3.2) 100 (9.3) 85 (7.9) 73 (6.8) 64 (5.9) 56 (5.2) 50 (4.6) 44 (4.1) 40 (3.7) 36 (3.3)
7.5 (3.4) 114 (10.6) 97 (9.0) 84 (7.8) 73 (6.8) 64 (6.0) 57 (5.3) 51 (4.7) 46 (4.2) 41 (3.8)
8.0 (3.6) 130 (12.1) 111 (10.3) 95 (8.9) 83 (7.7) 73 (6.8) 65 (6.0) 58 (5.4) 52 (4.8) 47 (4.4)
8.5 (3.9) 147 (13.6) 125 (11.6) 108 (10.0) 94 (8.7) 83 (7.7) 73 (6.8) 65 (6.1) 59 (5.4) 53 (4.9)
9.0 (4.1) 164 (15.3) 140 (13.1) 121 (11.3) 105 (9.8) 93 (8.6) 82 (7.6) 73 (6.8) 66 (6.1) 59 (5.5)
9.5 (4.3) 183 (17.0) 156 (14.5) 135 (12.5) 117 (10.9) 103 (9.6) 91 (8.5) 81 (7.6) 73 (6.8) 66 (6.1)
10.0 (4.5) 203 (18.9) 173 (16.1) 149 (13.9) 130 (12.1) 114 (10.6) 101 (9.4) 90 (8.4) 81 (7.5) 73 (6.8)
A-min: Required Minimum Room Area / Square Feet (Square Meters)
AREA FORMULA
Amin is the required minimum room area in ft
2
/m
2
mc is the actual refrigerant charge in the system in ft/kg
mREL is the refrigerant releasable charge in ft/kg
hinst is the height of the center of the appliance relative to the floor of the room after installation.
WARNING: The minimum room area or minimum room area of conditioned space is based on releasable charge or total system refrigerant
charge.