| PRESSURE TEMPERATURE CHART       
MAXI-FRIG        MX502a |
| TEMPERATURE | R502 | MX-502a Bubble     Dew |
| ° C | ° F | psi | psi | psi |
| -40 | -40 | 4 | 7 | 3 |
| -36 | -33 | 8 | 11 | 6 |
| -32 | -26 | 12 | 15 | 9 |
| -28 | -18 | 17 | 19 | 13 |
| -24 | -11 | 22 | 24 | 18 |
| -22 | -8 | 25 | 27 | 20 |
| -18 | 0 | 31 | 33 | 26 |
| -12 | 10 | 42 | 43 | 35 |
| -8 | -18 | 50 | 51 | 42 |
| -4 | 25 | 59 | 60 | 49 |
| 0 | 32 | 69 | 69 | 58 |
| 4 | 39 | 80 | 79 | 67 |
| 8 | 46 | 92 | 90 | 78 |
| 12 | 54 | 105 | 102 | 89 |
| 16 | 61 | 119 | 115 | 101 |
|
| TEMPERATURE | R502 | MX-502a Bubble     Dew |
| ° C | ° F | psi | psi | psi |
| 20 | 68 | 134 | 128 | 114 |
| 22 | 72 | 142 | 136 | 121 |
| 24 | 75 | 150 | 143 | 128 |
| 26 | 79 | 159 | 151 | 136 |
| 28 | 82 | 168 | 159 | 143 |
| 30 | 86 | 178 | 168 | 152 |
| 32 | 90 | 187 | 176 | 160 |
| 34 | 93 | 197 | 185 | 169 |
| 36 | 97 | 208 | 195 | 178 |
| 38 | 100 | 219 | 205 | 187 |
| 40 | 104 | 230 | 215 | 197 |
| 44 | 111 | 253 | 235 | 217 |
| 48 | 118 | 278 | 258 | 239 |
| 52 | 126 | 305 | 281 | 262 |
| 56 | 133 | 334 | 306 | 287 |
|