
Form I-Y, P/N 273646R6, Page 5
Controls Options:
Option PN Description
Cabinet Size / Option Availability
1 (a) 2 3
CL23 257338 24v 2-stage heating/cooling touch
screen prog thermostat
Yes Yes Yes
CL33 221038 Electronic 24v prog thermostat for up to
3 stages heating and or cooling
Yes Yes Yes
CL78 272631 Wall mounted DDC temperature moni-
tor and setpoint adjustment
Yes Yes Yes
BD5 42782 Firestat 200°F Yes Yes Yes
BE15 234820 Space CO
2
sensor (range 0-2000 ppm) Yes Yes Yes
BE17 259076 Smoke detector (photoelectric) Yes Yes Yes
RB5 260436 Wall mounted remote monitoring dis-
play
Yes Yes Yes
RB6 272407 Hand held remote display with cable Yes Yes Yes
(a) Cabinet size 1 not available with YDSA model
Curb Options:
Option Description Notes
Cabinet Size / Option Availability & PN
1 (a) 2 3
CJ31 16”high full perimeter roof
curb, bottom duct connections,
exposed external insulation.
Units with-
out Energy
Recovery
Yes
Yes Yes
PN 272399 PN 272403 PN 284223
CJ48 36”high full perimeter curb for pad
mounting, horizontal discharge,
double wall insulation in air ple-
num section.
Units with-
out Energy
Recover
Yes
Yes Yes
PN 272400 PN 272404 PN 284224
CJ 34 16”high full perimeter roof curb
for units with ERM, bottom duct
connections, exposed external
insulation.
Units with
Energy
Recovery
Yes Yes
Yes
PN 272401 PN 272405 PN 284223
CJ55 36”high full perimeter roof curb for
pad mounting for units with ERM,
horizontal discharge, double wall
insulation in air plenum section.
Units with
Energy
Recovery
Yes Yes
Yes
PN 272402 PN 272406 PN 284224
(a) Cabinet size 1 not available with YDSA model
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