Global IFS Perimeter Natural Convection Terminal (PNT) October 2020

- 1. Air Valve:
- a. A VAV Damper shall be supplied complete with a 24 volt AC floating point actuator
- b. The damper actuator and circuit board housing shall be room side accessible for ease of maintenance
- c. The Air valve shall be sized for a 100, 200, 300, 400, 600 or 800 cfm maximum air volume
- d. The Air valve shall be constructed inset from the outside of the unit so when the damper is fully open it will not interfere with the floor pedestals.
- e. Air valve shall be gasketed to close off airflow when closed to minimize energy consumption. Dampers without gasket or some type of seal should not be used.
- 2. Fiber-Free acoustic insulation:
- a. Insulation shall comply with UL 181 erosion, mold growth and humidity requirements in accordance with ASHRAE 62.1, and shall have a maximum flame/smoke spread of 25/50 for both the insulation and the adhesive when tested in accordance with ASTM E84.
- b. The insulation shall be secured with adhesive.
- c. Insulation thickness shall be 1/2 inch thick, three pound density, R-value of 2.0.
- 3. High Voltage Modular Cables
- a. The High Voltage Modular Starter cable (HVS) shall be supplied with one stripped end for wiring to the building junction box and one end with a high voltage plug for connection to the perimeter natural convection terminal with an electric coil
- b. The High Voltage Modular Extender cable (HVS) shall be supplied with one receptacle end and one end with a high voltage plug to allow for daisy chaining of high voltage power.
- c. Cables shall be [20ft] or [40ft] or [60ft] in length

### 2.03 Perimeter Natural Convection Terminal – Cooling Only

- A. Description:
- 1. Furnish and install Global IFS model PNT (L x W) with the sizes, configurations and capacities indicated on the plans and air outlet schedule.
- B. Performance:
- 1. The manufacturer of the perimeter natural convection terminal shall provide performance data for air volume, and initial pressure drop
- 2. Air shall be delivered to the space without the use of nozzles.
- 3. All data must be tested in accordance with the most recent publication of ASHRAE 70.
- C. Construction:
- 1. The plenum shall be constructed of minimum 20 gauge steel.
- 2. The plenum shall have a finished height of 10-3/8 inches, and shall be suitable for installation above conduit in a twelve inch raised floor.
- 3. The PNT shall be ETL certified
- 4. The PNT shall be supplied complete with two modular jacks for system connections and modular plug-in control cable.
- a. The MCABLE shall be 15, 25 or 35 feet in length and shall be plenum rated.
- b. Each cable shall have two (2) modular male plugs to interface with plug-and-play system connections.
- c. The cable shall be constructed of eight (8) individually insulated wires wrapped in an insulated jacket.
- d. Each wire shall be constructed of stranded copper fibers; solid core copper is not acceptable.
- 5. The plenum shall be [floor tile] or [pedestal] supported
- 6. A VAV damper shall be supplied complete with a 24VAC floating point actuator
- 7. The damper actuator and circuit board housing shall be room side accessible for ease of maintenance
- 8. The air valve shall be sized for a 100] or [200, 300, 400, 600 or 800 cfm maximum air volume
- 9. The air valve shall be constructed inset from the outside of the unit so when the damper is fully open it will not interfere with the floor pedestals
- 10. The air valve shall be gasketed to close off airflow when closed to minimize energy consumption. Dampers without gaskets or some type of seal should not be used
- 11. Removable end caps for continuous grille integration
- 12. Equipped with front and side knockouts
- D. Finish:
- 1. The plenum shall be finished in pre-painted black powder coat.
- E. Mounting/Fastening:
- 1. Floor tile supported units shall be supplied with a 1/2 inch flange on all sides.
- 2. Pedestal supported units shall be supplied with support brackets attached to the units.
- 3. Support pedestals shall be positioned without the use of tools.
- 4. Pedestal and pedestal heads shall be provided by others.
- F. Options:
- 1. Fiber-Free acoustic insulation:
- a. Insulation shall comply with UL 181 erosion, mold growth and humidity requirements in accordance with ASHRAE 62.1, and shall have a maximum flame/smoke spread of 25/50 for both the insulation and the adhesive when tested in accordance with ASTM E84.

Diffusers, Registers, and Grilles - PNT 23 37 13 -4