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Installation Manual – THH
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THH HIGH PERFORMANCE HORIZONTAL
FAN COIL UNITS
Section 3 - Normal Operation & Periodic Maintenance
Model THHP Plenum Free Return Dimensions
Notes:
1. Standard control enclosure is mounted on unit side opposite cooling coil
connections. Unit casing includes (2) knock outs on each side. Provide
sufficient clearance to access electrical controls and comply with applicable
codes and ordinances.
2. Optional bottom control enclosure with hinged cover replaces standard side
mounted enclosure and includes (2) additional knockouts on bottom of unit
on left side
3. Standard externally foam coated galvanized steel drain pan has 7/8” ODM
copper outlet. Stainless steel drain pan has 3/4” MPT galvanized steel outlet.
4. Auxiliary drain outlet is 5/8” ODM copper or 3/8” MPT galvanized
steel respectively
Drain Pan Material
Single Connection (STD)
Secondary Connection (OPT)
Galvanized (STD)
7/8’ od copper
5/8” od copper
Stainless (opt)
3/4” mpt galv.
1/2” mpt galv.
Control Enclosure Sizes
10 x 16 x 6
250 x 406 x 152
16 x 16 x 6
406 x 406 x 152
