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Installation
2. Ensure that the AC control wiring between the controls
and the unit's termination point does not exceed three
(3) ohms/conductor for the length of the run.
Note: Resistance in excess of 3 ohms per conductor
could cause component failure due to insufficient
AC voltage supply.
3. Be sure to check all loads and conductors for grounds,
shorts, and mis-wiring.
4. Do not run the AC low voltage wiring in the same
conduit with the high voltage power wiring.
5. Route low voltage wiring per illustrations on the next
page.
Table 3.
Electromechanical thermostat 24 Vac
conductors with ReliaTel™
D i st a n ce f r o m Un i t t o
Co n t r o l
000–460 feet
000–140 m
461–732 feet
Controls using DC Analog Input/Outputs
(Standard Low Voltage Multiconductor
Wire)
Before installing any connecting wiring between the unit
and components utilizing a DC analog input\output signal,
refer to
"Unit Dimensions, " p. 12
locations provided on the unit.
1.
Table 4
lists the conductor sizing guidelines that must
be followed when interconnecting the DC binary
output devices and the system components utilizing a
DC analog input\output signal to the unit.
Note: Resistance in excess of 2.5 ohms per conductor can
cause deviations in the accuracy of the controls.
2. Ensure that the wiring between controls and the unit's
termination point does not exceed two and a half (2.5)
ohms/conductor for the length of the run.
3. Do not run the electrical wires transporting DC signals
in or around conduit housing high voltage wires
Table 4.
Zone sensor module wiring
D i st a n ce f r o m Un i t t o
Co n t r o l
0–150 feet ( 0–45.7 m )
151–240 feet ( 46–73.1 m )
241–385 feet ( 73.5–117.3 m )
386–610 feet ( 117.7–185.9 m )
611–970 feet ( 186.2–295.7 m )
22
Re co m m en d e d W i r e Si ze
18 gauge
2
0.75 m m
16 gauge
for the electrical access
Re co m m e n d e d W i r e Si ze
22 gauge ( 0.33 m m
20 gauge ( 0.50 m m
18 gauge ( 0.75 m m
2
16 gauge ( 1.3 m m
14 gauge ( 2.0 m m
Figure 14. ReliaTel™ options module
Figure 15. ReliaTel conventional thermostat field wiring
diagram
2
)
2
)
2
)
)
2
)
RTRM
RT-SVX25G-EN
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