Bryant 559K 08 Series Service And Maintenance Instructions page 55

Single package rooftop electric cooling unit with puron (r-410a) refrigerant 7.5 to 15 nominal tons
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DEMAND
OUTSIDE AIR
CONTROLLED
GOOD TO
VENTILATION
ECONOMIZE
(DCV)
NO
NONE
YES
NO
Below CO
Set
2
YES
NO
Above CO
Set
2
YES
NOTE(S):
a. With stage 3 delay (STG3 DLY) in Advanced setup, COOL Y2-OUT will be turned ON after the delay time specified.
LEGEND
N/A — Not applicable
Table 15 — Economizer Operation - FAN TYPE = 2SPEED
INPUTS
W
COOL
(HEAT ON)
Y1-IN
ON
N/A
OFF
OFF
OFF
ON
OFF
ON
ON
N/A
OFF
OFF
OFF
ON
OFF
ON
ON
N/A
OFF
OFF
OFF
ON
OFF
ON
ON
N/A
OFF
OFF
OFF
ON
OFF
ON
ON
N/A
OFF
OFF
OFF
ON
OFF
ON
ON
N/A
OFF
OFF
OFF
ON
OFF
ON
FAN SPEED
COOL
COOL
COOL
Y2-IN
Y1-OUT
Y2-OUT
N/A
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
ON
ON
N/A
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
a
N/A
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
ON
ON
N/A
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
a
N/A
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
ON
ON
N/A
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
a
ON
ON
OFF
a
55
OUTPUTS
DAMPER POSITION
(reference
OCCUPIED
only)
HIGH
MIN POS H
LOW
MIN POS L
LOW
MIN POS L
HIGH
MIN POS H
HIGH
MIN POS H
LOW
MIN POS L
MIN POS L to
LOW
Full Open
MIN POS H to
HIGH
Full Open
HIGH
VENTMIN H
LOW
VENTMIN L
LOW
VENTMIN L
HIGH
VENTMIN H
HIGH
VENTMIN H
LOW
VENTMIN L
VENTMIN L to
LOW
Full Open
VENTMIN H to
HIGH
Full Open
VENTMIN H to
HIGH
VENTMAX H
VENTMIN L to
LOW
VENTMAX L
VENTMIN L to
LOW
VENTMAX L
VENTMAX H to
HIGH
VENTMAX H
VENTMIN H to
HIGH
VENTMAX H
VENTMIN L to
LOW
VENTMAX L
VENTMIN L to
LOW
Full Open
VENTMIN H to
HIGH
Full Open
UNOCCUPIED
Closed
Closed
Closed
Closed
Closed
Closed
Closed to
Full Open
Closed to
Full Open
Closed
Closed
Closed
Closed
Closed
Closed
Closed to
Full Open
Closed to
Full Open
Closed
Closed
Closed
Closed
Closed
Closed
Closed to
Full Open
Closed to
Full Open

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