–21–
[4] Refrigerant Piping
[5] Refrigerant Charge
Model
Gas pipe
Liquid pipe
PUH-P8YE
ø25.4
ø
12.7
PUH-P10YE
ø
28.58
ø
12.7
1.6, 2, 2.5, 3
ø
15.88
ø9.52
4, 5
ø19.05
ø
9.52
8
ø
25.4
ø
12.7
10
ø28.58
ø
12.7
Outdoor unit
Indoor unit
[6] Operation Rage
-5
46
Outdoor air temperature (
°
CDB)
24
15
Indoor air temper
ature (
°
CWB)
–12
18
Outdoor air temperature (
°
CWB)
27
15
Indoor air temper
ature (
°
CDB)
Additional refrigerant charge
0.05
×
L + 0.026
×
(
R
a
+
R
b
+
R
c
+
R
d
) + 0.5
×
amount of indoor units. (kg)
0.05
×
L + 0.026
×
(
R
a
+
R
b
+
R
c
+
R
d
) + 0.5
×
amount of indoor units. (kg)
Amount of infusion of
coolant at ex-factory
R407C 6.0 kg
R407C 6.5 kg
L: Main section actual length
R
a
+
R
b
+
R
c
+
R
d
: Join section actual length
The value of calculation result at the second decimal place must be rounded up to the first decimal place.
(e.g. 2.22 kg must be rounded up to 2.3 kg)
Model
PUH-P8YE
PUH-P10YE
Cooling
Heating