Bosch BOVA-36HN1-M18M User Manual download pdf (Page 12)

Bosch IDS BOVA Installation Instructions

12.2016 | Bosch Thermotechnology Corp.Data subject to change

2. Remove the pressure tap cap from both service valves.

Figure 16

3. Purge the refrigerant lines and indoor coil with dry nitrogen.

This pipe

must have

a thimble

Figure 17

4. Wrap a wet rag around the valve body to avoid heat damage and continue the

dry nitrogen purge (Fig. 18).

Braze the refrigerant lines to the service valves.

Check liquid line ﬁ lter drier’s directional ﬂ ow arrow to conﬁ rm correct direction

of refrigeration ﬂ ow (away from outdoor unit and toward evaporator coil) as

illustrated. Braze the ﬁ lter drier to the Liquid Line.

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.

Field supplied

and installed

3-4" from valve

Figure 18

5. Replace the pressure tap caps after the service valves have cooled.

Figure 19

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Bosch BOVA-36HN1-M18M User Manual Page 12