Model Number Description
6 RT-SVX25Q-EN
7 = Clogged Filter Switch, Fan
Failure
Switch and Discharge Air
Sensing
9
A = Condensate Drain Pan Overflow
Switch
B = Clogged Filter Switch and
Condensate Drain Pan Overflow
Switch
9
C = Fan Failure Switch and
Condensate Drain Pan Overflow
Switch
9
D = Discharge Air Sensing and
Condensate Drain Pan Overflow
Switch
9
E = Clogged Filter Switch, Fan
Failure
Switch and Condensate Drain
Pan
Overflow Swit
ch
9
F = Clogged Filter Switch, Discharge
Air Sensing Tube and
Condensate
Drain Pan Overflow Switch
9
G = Fan Failure Switch, Discharge Air
Sensing Tube and Condensate
Drain Pan Overflow Switch
9
H = Clogged Filter Switch, Fan
Failure
Switch, Discharge Air Sensing
and Condensate Drain Pan
Overflow Switch
9
Digit 26 - System Monitoring
Controls
0 = No Monitoring Controls
A = Demand Control Ventilation
(CO
2
)
17
B = FDD (Fault Detection and
Diagnostics)
C = FDD (Fault Detection
Diagnostic
s)
and Demand Control Ventilation
(CO
2
)
17
Digit 27 - Unit Hardware
Enhancements
0 = No Enhancements
1 = Stainless Steel Drain Pan
Digit 28 - Short Circuit Current
Rating
0 = Standard SCCR
A = 65kA SCCR Option
20,
21
Digit 31 - Advanced Unit
Controls
0 = Standard Unit Controls
1=Human Interface
23
Note: Most Factory Installed Options
available for Downflow Air
Discharge units only. Please
verify with ordering system for
availability.
Model Number Notes
1. Some field set up required.
2. Requires ReliaTel Options
Module
.
3. Requires Economizer.
4. All 22
nd
digit model numbers for
reheat coil (B) require additional
factory installed options: Frostat,
and 2” pleated filters.
5. Must be ordered with Through-
the-Base Electrical
option or
Horizontal-Side Access and either
Un
it Mounted Disconnect or
Circuit Breaker.
6. Available factory installed on
do
wnflow AND horizontal units.
Verify with ordering system.
7. Cannot be fused.
8. Must be factory installed when
usi
ng Through-the-Base Options.
9. ReliaTel Options Module is
requir
ed when ordering the
following accessories: Clogged
Filter Switch, Fan Fail Switch,
Condensate Overflow Switch,
Discharge Air Sensing Kit,
Frostat, Ventilation Override,
Smoke Detector,
Dehumidification and
Modulating Gas Heat Furnace.
10. Option cannot be ordered in
co
njun
ction with field installed
economizer on downflow units.
Must be factory installed. The
return air smoke detector may
not fit up or work properly on the
Voyager units when used in
conjunction with 3
rd
party
accessories (such as bolt on heat
wheels, economizers, and power
exhaust). Do not order the return
air smoke detectors when using
this type of accessory.
11. Unit mounted disconnect and
circuit breakers are
mutually
exclusive of each other.
12. Through-the-base electrica
l
op
tion or Horizontal-Side Access
must be ordered with either unit
mounted disconnect or circuit
breaker.
13. Available on high efficiency units
on
ly.
14. A
ll Factory Installed Options are
Built-to-Order. Check
order
services for
estimated production
cycle.
15. TCI is for use with non-VariTrac
systems and VariTrac
systems.
16
. For use with multi-speed and
SZVAV units only.
17. Demand Control Ventilation
O
pt
ion includes wiring only. The
C0
2
sensor is a field-installed only
option.
18. Frostat is standard on VAV, and
high eff
iciency units.
19.
Supply and/or return smoke
detector m
ay not be used with the
plenum smoke detector.
20. Only available where MOP is
above 60
A.
21
. 575 VAC option is 25kA.
22. Standard filters are not available
with Low
Leak Economizer
s.
23. Human Interface is standard with
FDD (Fault Dete
ction
Diagnostics).
24.
Must be used with BACnet™
open pr
otocol.
25. Apply to 50Hz units only.
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