Liquid line filter-drier
The filter-drier is packaged and shipped along with the
outdoor unit. It is located outside the unit next to the
service valves.
CAUTION
Filter-drier is required to be installed in liquid line. The
recommended location is at the indoor coil before the
refrigerant metering device. It can be installed at the
outdoor unit if desired.
CAUTION
Using a granular type drier may result in damage to
the equipment.
CAUTION
Filter-drier must be wrapped in wet rag while brazing.
Filter-drier Source 1 part S1-401021 applies to all AC
models.
Installing the filter-drier at outdoor unit
About this task:
Complete the following steps and see Figure 3 to install a
filter-drier at the outdoor unit:
1. Connect low pressure nitrogen to the liquid line
service port.
2. Insert a short piece of 3/8 in. tubing into the liquid
line service valve piping connection. Install filter
drier (direction arrow toward indoor coil) on the
short piece of tubing and insert the liquid line
going to the indoor coil into the opposite end of
the filter drier.
3. Wrap a wet rag around the liquid line base valve
and filter drier.
4. Braze the liquid line connections.
Figure 3: Liquid line filter-drier installation at outdoor
unit
Installing the filter-drier at indoor coil
About this task:
Complete the following steps and see Figure 4 to install a
filter-drier at the indoor coil:
1. Connect low pressure nitrogen to the liquid line
indoor coil.
2. Insert a short piece of 3/8 in. tubing into the liquid
line indoor coil. Install filter drier (direction arrow
toward indoor coil) on the short piece of tubing
and insert the liquid line going to the indoor coil
into the opposite end of the filter drier.
3. Wrap a wet rag around the filter drier.
4. Braze the liquid line connections.
Figure 4: Liquid line filter-drier installation at indoor
coil
Installation Manual: R-410A Outdoor Split-System Air Conditioner8
Johnson Controls Ducted Systems
To Next Page
Loading...
Need help?
General
