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BI-FLOW FILTER DRIER
LIQUID LINE
B
LIQUID
UNIT
LINE
541A
SIZE (in.)
1
120
5
1
180
5
LEGEND
TXV — Thermostatic Expansion Valve
Fig. 6 — Recommended Filter Driers and Installation Locations
Fig. 7 — Vapor Line Branch Piping Details
Table 5 — Insulation for Vapor Line Exposed to Outdoor Conditions
LENGTH OF EXPOSED
VAPOR LINE*
10
25
35
50
*Recommended vapor line insulation for piping exposed to outdoor conditions to
prevent loss of heating during heating cycle. When vapor line goes through inte-
rior spaces, insulation should be selected to prevent condensation on cooling
cycle. Heating capacity should be reduced 1000 Btuh if over 35 ft of vapor line
3
with
/
in. insulation is exposed to outdoor conditions.
4
†Closed cell foam insulation with a thermal conductivity of:
2
0.28 Btu • in./ft
A
A
REDUCING TEE
PART NO.
P504-8084S
/
2
/
P504-8165S
8
P504-8084S
/
2
P504-8085S
/
8
INSULATION THICKNESS†
ft
• h • °F.
—
7
—
TXV
INDOOR COIL
QUANTITY
FIGURE
REQUIRED
REFERENCE
2
A
1
B
2
A
2
A
LEGEND
TXV — Thermostatic Expansion Valve
in.
3
/
8
1
/
2
3
/
4
3
/
4
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