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Table 3-4 Additional amount of refrigerant charge for DX Coil Interface (TCB-IFDA1GUL/ TCB-IFDD1GUL)
Capacity code
12
15
Additional
lbs
0.42
0.6
amount of
kg
0.19
0.27
refrigerant
Capacity code
96
120
Additional
lbs
3.96
5.46
amount of
kg
1.8
2.48
refrigerant
Table-4 Corrected amount of refrigerant based on outdoor unit diversity
Corrected amount of refrigerant (kg)
Diversity D (%)
lbs
50% ≦ D < 60%
-5.51
60% ≦ D < 70%
-4.41
70% ≦ D < 80%
-3.31
80% ≦ D < 90%
-2.2
90% ≦ D < 95%
-1.1
95% ≦ D
0
33-EN
18
21
24
30
36
42
0.72
0.82
0.92
1.19
1.51
1.71
0.33
0.37
0.42
0.54
0.69
0.78
144
168
192
216
240
264
6.25
7.04
7.83
8.82
9.81
11.78
12.57
2.84
3.2
3.56
4.01
4.46
5.36
kg
-2.5
-2.0
-1.5
-1.0
-0.5
0
– 17 –
Full opening of the valve
48
60
72
Open the valves of the outdoor unit fully.
1.9
2.5
3.08
0.87
1.13
1.4
288
336
384
14.15
15.73
5.71
6.43
7.15
Liquid side
Gas side
Position of the Check-joint
The figure below shows the position of the check-joint.
MMY-MUP0721, 0961
For high
pressure
side
(color : Red)
Packed valve
Using a 0.2" (5 mm)-hexagonal wrench, turn the valve shaft counterclockwise fully to open it.
Ball valve
Using a wrench, turn it counterclockwise by 90° until it hits the stopper.
(Full open)
For the ball valve with the stopper, release the stopper to opened or closed the ball valve. When
finished working, to set the stopper.
Pay attention so that the wrench does not come into contact with the charge port when the body
cap is opened or closed.
Charge port
MMY-MUP1201, 1441, 1681, 1921, 096H1, 120H1
For high
pressure side
(color : Red)
For low
pressure side
(color : Blue)
For liquid side
(color : Green)
Body cap side
Fully closed
Fully opened
For low pressure side (color : Blue)
For liquid side
(color : Green)
34-EN
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