Another day another problem

[Gary]

Went back to site today and changed the TXV on unit 1 and 2, in order to give them some heat, I left the duct work off and took the following figures:

Discharge pressure 14.2 bar/32.8
Suction pressure 2.75 bar/-13.8
Actual suction temp 1C
SH 15k
SC low
Liquid line temp 32.6C
Evap (outdoor unit air on) 7.9C
Evap air off -1.3C
Condenser (indoor unit) air on 16.8CCC
Condenser air off 25C

The evap airflow is not insufficient.
The cond airflow is not insufficient.
The SC is low.
The SH is high.

Add refrigerant until the SC is 5.5-8.5K or the sightglass clears, whichever comes first.

Take all new readings.