Bryant Legacy Series Installation Instructions

36
*With stage 3 delay (STG3 DLY) in Advanced setup menu can turn on second stage of mechanical cooling Y2-O after the delay if the call for Y1-I and
Y2-I have not been satisfied.
*With stage 3 delay (STG3 DLY) in Advanced setup menu can turn on second stage of mechanical cooling Y2-O after the delay if the call for Y1-I and
Y2-I have not been satisfied.
Table 15 — Enthalpy Operation Without DCV (CO
2
Sensor) — 1 Speed Fan
DEMAND
CONTROLLED
VENTILATION (DCV)
OUTSIDE AIR
GOOD TO
ECONOMIZE
Y1-I Y2-I
FAN
SPEED
Y1-O Y2-O OCCUPIED UNOCCUPIED
NONE NO
OFF OFF HIGH 0v/Off 0v/Off MIN POS Closed
ON OFF HIGH 24v/On 0v/Off MIN POS Closed
ON ON HIGH 24v/On 24v/On MIN POS Closed
NONE YES
OFF OFF HIGH 0v/Off 0v/Off MIN POS Closed
ON OFF HIGH 0v/Off 0v/Off MIN POS to Full Open Closed to Full-Open
ON ON HIGH 24v/On 0v/Off* MIN POS to Full Open Closed to Full-Open
Table 16 — Enthalpy Operation With DCV (CO
2
Sensor) — 1 Speed Fan
DEMAND
CONTROLLED
VENTILATION (DCV)
OUTSIDE AIR
GOOD TO
ECONOMIZE
Y1-I Y2-I
FAN
SPEED
Y1-O Y2-O OCCUPIED UNOCCUPIED
Below CO
2
Set
No
OFF OFF HIGH 0v/Off 0v/Off VENTMIN Closed
ON OFF HIGH 24v/On 0v/Off VENTMIN Closed
ON ON HIGH 24v/On 24v/On VENTMIN Closed
Yes
OFF OFF HIGH 0v/Off 0v/Off VENTMIN Closed
ON OFF HIGH 0v/Off 0v/Off
VENTMIN to
Full-Open
Closed to Full-Open
ON ON HIGH 24v/On 0v/Off
VENTMIN to
Full-Open
Closed to Full-Open
Above CO
2
Set
No
OFF OFF HIGH 0v/Off 0v/Off
VENTMIN to
VENTMAX
Closed
ON OFF HIGH 24v/On 0v/Off
VENTMIN to
VENTMAX
Closed
ON ON HIGH 24v/On 24v/On
VENTMIN to
VENTMAX
Closed
Yes
OFF OFF HIGH 0v/Off 0v/Off
VENTMIN to
VENTMAX
Closed
ON OFF HIGH 0v/Off 0v/Off
VENTMIN to
Full-Open
Closed to Full-Open
ON ON HIGH 24v/On 0v/Off*
VENTMIN to
Full-Open
Closed to Full-Open
Table 17 — Single Enthalpy and Dual Enthalpy High Limit Curves
ENTHALPY
CURVE
TEMP. DRY
BULB (F)
TEMP.
DEWPOINT (F)
ENTHALPY
(btu/lb/da)
POINT P1 Point P2
Temp. (F) Humidity (RH) Temp. (F) Humidity (RH)
ES1 80 60 28.0 80 36.8 66.3 80.1
ES2 75 57 26.0 75 39.6 63.3 80.0
ES3 70 54 24.0 70 42.3 59.7 81.4
ES4 65 51 22.0 65 44.8 55.7 84.2
ES5 60 43 20.0 60 46.9 51.3 88.5
HL 86 66 32.4 86 38.9 72.4 80.3

Bryant Legacy Series Specifications

General

Cooling Capacity	1.5 to 5 tons
Series	Legacy Series
Compressor Type	Single-Stage
Refrigerant	R-410A
Warranty	10-year parts limited warranty upon timely registration