Toshiba MMU-AP0072H2UL Engineering Data Book page 17

2
Equipment selection procedure
2-3-2. Heat pump
2-3-2-1. Correction charts for cooling capacity calculation
[Chart 1] Indoor air wet bulb temperature vs. capacity correction value
[Chart 2] Outdoor air dry bulb temperature vs. capacity correction value
[Chart 3] Connecting pipe length and lift difference between indoor and outdoor units vs.
ho
hc
1.2
1.1
1
0.9
0.8
59 61 63
1.2
1.15
1.1
1.05
1
0.95
0.9
0.85
0.8
25 30 35 40
capacity correction value
Outdoor unit
L is the longest one of (lo + la, lo + lb, lo + lc)
lo
H = ho + (Largest one of ha, hb, and hc)
ha
hb
la
A
lb
B Indoor unit
lc
C
65 67 69 71
Indoor air wet bulb temp. (°F WB)
45 50 55 60 65 70 75 80
Outdoor air dry bulb temp. (°F DB)
16
73 75
85 90 95 100 105 110 115
Outdoor unit
capacity type
072
096
114
144
168
192
228
Graph
A1
B1
A2
A3
B2
A3