16
RT-SVX072A-EN
☐ Install the factory-supplied, 3-way modulating
valve.
☐ Complete the valve actuator wiring.
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
the atmosphere 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
required by the application.
O/A Pressure Sensor and Tubing
Installation (All units with Statitrac or
Return Fans)
☐ 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.
☐ (Units with StatiTrac) 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 sensing location
within the controlled space.
Requirements for Modulating Reheat
☐ Install space humidity and temperature sensors.
Refer to unit diagrams for guidelines.
PPrree--IInnssttaallllaattiioonn
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