Bosch BOVA Series Installation Instructions Manual page 20

2 0 | Bosch IDS BOVA
6. Adjust refrigerant level to attain proper gage pressure.
Add refrigerant if the design subcooling is lower than the chart value.

Connect gages to refrigerant bottle and unit as illustrated (Fig 38).

Purge all hoses.

Open bottle.

Stop adding refrigerant when subcooling. matches the charging chart (Table
5) Final Subcooling value.
Recover refrigerant if the design subcooling is lower than the chart value.
Figure 38
7. Stabilize the system.

Wait 5 minutes for the system condition to stabilize between adjustments.
When the subcooling match the chart, the system is properly charged.

Remove gages.

Replace service port caps to prevent leaks. Tighten finger tight plus an
additional 1/6 turn.
20 MIN.
Figure 39
Data subject to change
8. Record System Information for reference (Table 7).
Record system pressures and temperatures after charging is complete.
Description
Outdoor model number
Measured Outdoor Ambient
Measured Indoor Ambient
Measured Liquid Line Temp
Measured Suction Line Temp
Liquid Gage Pressure
Suction Gage Pressure
Table 7
Installation Instructions
Value
°F
°F
°F
°F
PSIG
PSIG
12.2016 | Bosch Thermotechnology Corp.