Bosch IDS BOVA15 Installation Instructions Manual page 12

Installation Instructions
2. Remove the pressure tap cap from both service valves.
Figure 15
3. Purge the refrigerant lines and indoor coil with dry nitrogen.
This pipe
must have
a thimble
Figure 16
4. Wrap a wet rag around the valve body to avoid heat damage and continue the
dry nitrogen purge (Fig. 17).
Braze the refrigerant lines to the service valves.
Braze the fi lter drier to the Liquid Line.
All units come standard with a bi-fl ow fi lter drier. Braze the fi lter drier to
the liquid line, using caution not to push the refrigerant line too hard past
the stop within the fi lter drier (this could damage the drier).
Continue the dry nitrogen purge. Do not remove the wet rag until all brazing
is completed.
Remove the wet rag before stopping the dry nitrogen purge.
1 2 |
Figure 17
5. Replace the pressure tap caps after the service valves have cooled.
Figure 18
Bosch IDS BOVA15 Split System Heat Pump - BTC 761701317 A (02.2022)
Shipped in package
field installed
3-4" from valve