Haier SYJS-0308 Service Manual page 9

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Characteristics of refrigerating and heating capacity
AU48-
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
(1) Capacity compensation value of indoor
air wet-bulb temperature condition
1.2
1.1
1.0
0.9
0.8
15 20 24
indoor air wet-bulb temperature(*)
(4) Fall of refrigerant pipe of indoor and outdoor
unit, capacity compensation value of pipe length
50
40
30
20
10
0
-10
-20
-30
-40
-50
10 20 30 40 50 60 70 80 90 100 110 120
25
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
1.2
1.1
1.0
0.9
0.8
20
15 24
indoor air dry-bulb temperature(*)
(4) Fall of refrigerant pipe of indoor and outdoor unit,
capacity compensation value of pipe length
50
40
30
20
10
0
-10
-20
-30
-40
-50
10 20 30 40 50 60 70 80 90 100 110 120
25
Length of refrigerant pipe (corresponding length) L (m)
Capacity compensation value of outdoor air dry-bulb
temperature condition
1.2
1.1
1.0
0.9
-5 0 5 10 15
outdoor air dry-bulb temperature(*)
(2) Capacity modification under outdoor air wet-bulb temperature condition
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
-15 -10 -5
outdoor air wet-bulb temperature(*)
20 25 30 35 40 43
(5) Capacity compensation suitable
for total capability of indoor unit
group (cooling)
Outdoor unit
120
100
lo
ho
80
he
60
ha
la
40
hchb A
lb
20
B
lc
C
0
L(m) Length of refrigerant
Total capacity of indoor unit group
pipe (corresponding length)
L (m)
0 5 10
(5) Capacity compensation suitable
for total capability of indoor unit
Outdoor unit
group (heating)
120
lo
ho
100
he
80
ha
hb
60
A
lb
40
B
hc
le
20
C
0
H=ho+(the max. value of ha, hb, hc)
Total capacity of indoor unit group
L=lo+(the max. value of la, lb, lc)
(3) Capacity modification value
under airflow variation rate of
indoor unit group (only for
airflow type unit)
1.1
1.0
0.9
80 90 100 110 120
airflow variation rate
20 40 60 80 100 120 135
(3) Capacity modification
value under airflow variation
rate of indoor unit group
1.1
1.0
0.9
80 90 100 110 120
15
20 40 60 80 100 120 135