Piping; Drain Connection; Figure 8: P-Trap Schematic - Compu-aire SYSTEM 2100 Installation, Operation And Maintenance Manual

adding water to the drain pan, water should drain out of the condensate pan and
through the trap with supply fan running at full speed.
Prior to making the electrical connections, verify the proper voltage, phase and frequency
as required on the unit nameplate. Electrical connections must be made in accordance
with the National Electric Code and any local ordinance which may apply. Connection
should be completed using copper conductors only. The unit must have an uninterrupted
or unbroken electrical ground to minimize the risk of personal injury in the case of an
electrical fault. It is important the ground wire is of adequate size and is securely
fastened to the ground lug in the control panel.

8.3 Piping

Field installed piping must be installed in accordance with local codes and must be
properly assembled, isolated and supported. Refer to the submittal for piping
requirements.

8.4 Drain Connection

Unit is provided with 3/4" copper stubs for condensate removal. These lines are marked
as primary and secondary drain lines. Primary drain line is provided with built-in trap. If
the location of unit does not have provision to add external P-trap on secondary line, it
must be capped-off. It is recommended that unions be installed in each line to permit
Rev. 01
05/27/2016

Figure 8: P-TRAP SCHEMATIC

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