Haier H-MRV AF092FCBHA, Service Manual

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1) Calculation method
Calculation method of refrigerating capacity-Refrigerating capacity to be known = Refrigerating
capacity x (1) x (2) x (3) x (4) x (5) W
A
B
C
120
100
80
60
40
20
0
20 40 60 80 100 120 135
1.1
1.0
0.9
80 90 100 110 120
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
-15 -10 -5 0 5 10 15
1.2
1.1
1.0
0.9
0.8
15
20 24
120
100
80
60
40
20
0
20 40 60 80 100 120 135
A
B
C
(1) Capacity compensation value of indoor
air wet-bulb temperature condition
1.1
1.0
0.9
80 90 100 110 120
1.2
-5
1.1
1.0
0.9
0 5 10 15 20 25 30 35 40 43
Capacity compensation value of outdoor air dry-bulb
temperature condition
(3) Capacity modification value
under airflow variation rate of
indoor unit group (only for
airflow type unit)
indoor air wet-bulb temperature(*)
outdoor air dry-bulb temperature(*)
airflow variation rate
Capacity modification value
(4) Fall of refrigerant pipe of indoor and outdoor
unit, capacity compensation value of pipe length
1.2
1.1
1.0
0.9
0.8
15
20 24
(5) Capacity compensation suitable
for total capability of indoor unit
group (cooling)
Outdoor unit
Indoor unit group
capacity modification value
lo
he
la
lb
lc
ha
hc hb
ho
standard capacity
L(m) Length of refrigerant
pipe (corresponding length)
L (m)
Total capacity of indoor unit group
2) Calculation method of heating capacity—Heating capacity to be known = Heating capacity ((1) x (2) x (3) x (4) x (5) x (6)) W
(1) Capacity modification under indoor
air wet-bulb temperature condition
(2) Capacity modification under outdoor air wet-bulb temperature condition (3) Capacity modification
value under airflow variation
rate of indoor unit group
indoor air dry-bulb temperature(*)
outdoor air wet-bulb temperature(*)
(4) Fall of refrigerant pipe of indoor and outdoor unit,
capacity compensation value of pipe length
(5) Capacity compensation suitable
for total capability of indoor unit
group (heating)
Length of refrigerant pipe (corresponding length) L (m)
Outdoor unit
Indoor unit group
capacity modification value
H=ho+(the max. value of ha, hb, hc)
L=lo+(the max. value of la, lb, lc)
Total capacity of indoor unit group
standard capacity
lo
ho
he
ha
lb
le
hc
hb
10 20 30 40 50 60 70 80 90 100 110 120
25
100%
99
98 97
99
98 97
96 95 94 93 92 91 90 89 88 87 86
50
40
30
20
10
0
-30
-40
-50
-20
-10
10 20 30 40 50 60 70 80 90 100 110 120
25
100%
99
98 97
99 98 97 96 95 94 93 92 91 90 89 88 87 86
50
40
30
20
10
0
-30
-40
-50
-20
-10
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