Toshiba MMU-AP0072H2UL Engineering Data Book page 14

2
Equipment selection procedure
2-3-1-2. Correction charts for heating capacity calculation
[Chart 1] Indoor air dry bulb temperature vs. capacity correction value
[Chart 2] Outdoor air wet 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
61 63 65
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
-5 4 0 5 10 15
-
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
67 69 71 73
Indoor air dry bulb temp. (°F DB)
20 25 30 35 40
Outdoor air wet bulb temp. ( °F WB)
13
75 77
45 50 55 60
Outdoor unit
capacity type
072
096
120
144
168
192
216
240
288
312
336
Graph
X
Y
Z