Location considerations
For networked models, locate the TEC3000 Series Thermostat Controller:
• On a partitioning wall, approximately 5 ft (1.5 m) above the floor in a location of average
temperature, allowing for vertical air circulation to the TEC
• Away from direct sunlight, radiant heat, outside walls, outside doors, air discharge grills,
stairwells, and from behind doors
• Away from steam or water pipes, warm air stacks, unconditioned areas (not heated or cooled), or
sources of electrical interference
• In a clear path between the integrated passive infrared (PIR) occupancy sensor (if equipped) and
the space being monitored
For wireless models, also locate the thermostat controller:
• Outside of a recessed area, metal enclosure, or shelving unit
• On the same building level as the other wireless devices on the same personal area network
(PAN)
• At least 2 in. (51 mm) away from any metal obstruction
• In the direct line of sight to other wireless devices on the same PAN. Signal transmission is best
if the path between the TEC3000 and other wireless devices is direct as possible. Line of sight is
desirable but not required. See Table 1 for recommended and maximum distances.
• Away from metal and large solid obstructions (including equipment rooms and elevator shafts
and concrete or brick walls) between the TEC3000 and the ZFR Pro Router/Repeater or ZFR Pro
Coordinator Radio
• Within range of two or more wireless devices on the same PAN. Redundancy in the layout
provides the best reliability in wireless installations
• At least 20 ft (6 m) from a microwave oven
For integrated PIR models, be sure that the thermostat controller is located centrally, where
occupant movement is frequent. Ensure that the unit is not blocked by a plastic tamper resistant
enclosure (such as the GRD10A-608). The plastic enclosure blocks the occupancy sensing capability.
The use of insulating foam pads is required for installations where wiring passes through the wall
to the thermostat.
For wireless models, the effective transmission range and distance for indoor applications vary
because of wireless signal absorption and reflection due to metal obstructions, walls or floors, and
furniture found in typical building interiors.
Table 1: Indoor line-of-sight transmission ranges
Range type Transmission distance
WNC Coordinator Radio, ZFR
Pro Repeater
TEC3000 Wireless Thermostat
Controller
Recommended 50 ft (15.2 m) 50 ft (15.2 m)
Line of sight, maximum 250 ft (76.2 m) 100 ft (30 m)
Note:
• Allow for sufficient clearance to insert a USB drive into the USB port
3TEC3000 Series On/Off or Floating Fan Coil Thermostats Installation Guide
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