Instruction Manual

Installation (Continued)

Requirements for Steam Heat (SSH_)

[ ] Install an automatic air vent at the top of the return water

coil header.

[ ] Route properly sized steam piping through the base of

the unit into the heating section.

[ ] Install the factory-supplied, 2-way modulating valve

[ ] Complete the valve actuator wiring.

[ ] Install 1/2", 15-degree swing-check vacuum breaker(s) at

the top of each coil section. Vent breaker(s) to theatmo-

sphere or merge with return main at discharge side of

steam trap.

[ ] Position the steam trap discharge at least 12" below the

outlet connection on the coil.

[ ] Use float and thermostatic traps in the system, as re-

quired by the application.

O/A Pressure Sensor and Tubing Installation

(All units with Statitrac)

[ ] O/A pressure sensor mounted to the roof bracket.

[ ] Factory supplied pneumatic tubing installed between the

O/A pressure sensor and the connector on the vertical

support.

[ ] Field supplied pneumatic tubing connected to the proper

fitting on the space pressure transducer located in the

filter section, and the other end routed to a suitable sens-

ing location within the controlled space.

Figure 3-6A

Condensate Drain Locations