R410-A Pressure Temperature Chart - York YCAL0019 Installation, Operation And Maintenance Manual

SECTION 10 – MAINTENANCE
ADDING REFRIGERANT CHARGE AFTER
COMMISSIONING
This unit utilizes HFC 410A refrigerant. HFC 410 A is
a blend refrigerant containing both HFC-32 and HFC-
125 (50/50 wt %). As this blend performs very much
like a single component refrigerant due to the closeness
of the individual refrigerant boiling points, any change
PSIG
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
228

R410-A PRESSURE TEMPERATURE CHART

TEMPERATURE ˚F
0 -60
2 -58
4 -54
6 -50
8 -46
-42
-39
-36
-33
-30
-28
-26
-24
-20
-18
-16
-14
-12
-10
-8
-6
-4
-3
-2
0
1
3
4
6
7
8
10
11
13
14
15
16
17
19
in composition due to a leak will be minimal. For this
reason, you may add to the charge at any time. It is not
necessary to remove the entire charge and weigh a new
charge in. It is important to remember to add this addi-
tional charge as a liquid following all applicable safety
procedures, and only after identifying and properly re-
pairing any leak found.
PSIG TEMPERATURE ˚F
78
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
160
170
180
190
200
210
220
225
235
245
255
265
275
285
295
305
325
355
375
405
500
600
700
FORM 150.67-NM1
ISSUE DATE: 4/28/2017
20
21
24
26
29
32
34
36
39
41
43
45
47
49
51
53
57
60
64
67
70
73
76
78
80
83
85
88
90
92
95
97
101
108
112
118
134
149
159
JOHNSON CONTROLS