| DAY 1 | Ambient temp : 100*.
Humidity 30% | | | | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Weight In (Oz) | Low Side PSI | High Side PSI | Vent Temp | Low Temp | High Temp | | | | R134a LoTemp | R134a HiTemp | Subcool | Superheat | | 0 | -29 | -29 | 110 | | | | | | | | | | | 13.5 | 10 | 168 | 85 | | | | | | | | | | | 18.0 | 20 | 200 | 64 | | | | | | | | | | | 20.2 | 25 | 220 | 62 | | | | | | | | | | | 25.3 | 25 | 200 | 62 | | | | | | | | | | | 34.1 | 30 | 180 | 57 | | | | | | | | | | | 35.9 | 30 | 175 | 57 | | | | | | | | | | | 37.9 | 42 | 220 | 62 | | | | | | | | | | | 37.9 + water | 30 | 140 | 57 | | | | | | | | | | | 37.9 after running for a while | 30 | 160 | 57 | 71 | 115 | | | | | | | | | | | | | | | | | | | | | | | DAY 2 —— | 85 75% humidity* | —— —— | —— —— | —— —— | —— —— | | | | —— —— | —— —— | —— —— | —— —— | | Weight In (Oz) | Low Side PSI | High Side PSI | Vent Temp | Low Temp | High Temp | | | | R134a LoTemp | R134a HiTemp | Subcool | Superheat | | 37.9 | 42 | 240 | 64 | 85 (or 140) | 112 | | | | 47 | 143 | 31 | 38 (or 93) | | | | | | | | | | | | | | | | DAY 3 adjusted TXV | 79* 48% humid | | | | | | | | | | | | | Weight In (Oz) | Low Side PSI | High Side PSI | Vent Temp | Low Temp | High Temp | | | | R134a LoTemp | R134a HiTemp | Subcool | Superheat | | 0 | -28 | -28 | 80 | | | | | | | | | | | 27 | | | 48-50!!! | | | | | | | | | | | | | | | | | | | | | | | | | DAY 4 adjusted TXV | 84* 45% humid | | | | | | | | | | | | | Weight In (Oz) | Low Side PSI | High Side PSI | Vent Temp | Low Pipe Temp | High Pipe Temp | | | | R134a LoTemp | R134a HiTemp | Subcool | Superheat | | 27.0 | 35 | 230 | 60 | 77/78 | 132 | | | | 40 | 140 | 8 | 37 | | 36.6 | 37 | 220 | 60 | 74/76 | 117 | | | | 42 | 137 | 20 | 32 | | | | | | | | | | | | | | | | DAY 5 - -Added new service port and SPAL fan -readjusted TXV to factory | 85 50% humid | | | | | | | | | | | | | Weight In (Oz) | Low Side PSI / in-cabin low side psi | High Side PSI | Vent Temp | Temp of pipe at evap | Temp of pipe at bottom of condenser | | | | R134a LoTemp | R134a HiTemp | Subcool | Superheat | | 10.2 | 0 | 140 psi | | | | | | | | | | | | 18.2 | 20 psi | 210 psi | 60 | | | | | | | | | | | 29.7 | 18 psi | 220 psi | 56 | | | | | | | | | | | 40.7 | 20 pis / 25 psi | 300 psi | 56 | 83 | 101 | | | | 22 / 27 | 160 | 59 | 61 / 56 | | 46.7 | 25 psi / 30 psi | 350 | 56 | 78 | 106 | | | | 27 / 34 | 172 | 66 | 51 / 44 | | | | | | | | | | | | | | | | DAY 6 -

• new AcDelco TXV | 84 40% humid | | | | | | | | | | | | | Weight In (Oz) | Low Side PS / in-cabin low side psi | High Side PSI | Vent Temp | Temp of pipe at evap | Temp of pipe at bottom of condenser | Temp of pipe at top of condenser | Drier out temp | TXV temp | R134a LoTemp | R134a HiTemp | Subcool | Superheat | | 22.5 | 15 | 200 | 56 | 78 | 115 | 124 | 131 | 78 | | | | | | 33.9 | 20 | 245 | 52 | 80 | 116 | 118 | 111 | 80 | | | | | | 37.4 | 24 / 29 | 250 | 52 | 80 | 120 | 120 | 108 | 80 | 33 | 147 | 27 | 47 | | | | | | | | | | | | | | |

Subcool = HiTemp - bottom of condenser temp

Superheat = Evap Temp - LoTemp

• Refrigerant Pressure to Temp Chart
• https://www.btrac.com/documents/r-134a-pressure-temperature-chart.pdf