Carrier WeatherMaster 50HC14 Installation Instructions Manual page 34

Single package rooftop cooling only unit with puron (r-410a) refrigerant
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Table 9 — Damper Minimum Position Settings and Readings on Checkout Menu
DEMAND CONTROLLED
VENTILATION
(CO
SENSOR)
2
NO
YES
Table 10 — Dry Bulb Operation No DCV (CO
DEMAND
OUTSIDE AIR
CONTROLLED
GOOD TO
VENTILATION (DCV)
ECONOMIZE
NONE
NONE
*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 11 — Dry Bulb Operation With DCV (CO
DEMAND
OUTSIDE AIR
CONTROLLED
GOOD TO
VENTILATION (DCV)
ECONOMIZE
Below CO
Set
2
Above CO
Set
2
*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.
FAN SPEED
1
2
1
2
Y1-I
Y2-I
OFF
OFF
NO
ON
OFF
ON
ON
OFF
OFF
YES
ON
OFF
ON
ON
Y1-I
Y2-I
OFF
OFF
No
ON
OFF
ON
ON
OFF
OFF
ON
OFF
Yes
ON
ON
OFF
OFF
No
ON
OFF
ON
ON
OFF
OFF
Yes
ON
OFF
ON
ON
SETPOINTS
MIN POS
N/A
MIN POS H
MIN POS L
VENT MIN
VENT MAX
VENT MIN H
VENT MAX H
VENT MIN L
VENT MAX L
Sensor) — 1 Speed Fan
2
FAN
Y1-O
Y2-O
SPEED
HIGH
0-v/Off
0-v/Off
HIGH
24-v/On
0-v/Off
HIGH
24-v/On
24-v/On
HIGH
0-v/Off
0-v/Off
HIGH
0-v/Off
0-v/Off
HIGH
24-v/On
0-v/Off*
Sensor) — 1 Speed Fan
2
FAN
Y1-O
Y2-O
SPEED
HIGH
0-v/Off
0-v/Off
HIGH
24-v/On
0-v/Off
HIGH
24-v/On
24-v/On
HIGH
0-v/Off
0-v/Off
HIGH
0-v/Off
0-v/Off
HIGH
24-v/On
0-v/Off
HIGH
0-v/Off
0-v/Off
HIGH
24-v/On
0-v/Off
HIGH
24-v/On
24-v/On
HIGH
0-v/Off
0-v/Off
HIGH
0-v/Off
0-v/Off
HIGH
24-v/On
0-v/Off*
34
CHECKOUT
VMAX–HS
N/A
VMAX–HS
VMAX–LS
VMAX–HS
VMAX–HS
VMAX–HS
VMAX–LS
N/A
N/A
OCCUPIED
UNOCCUPIED
MIN POS
MIN POS
MIN POS
MIN POS
MIN POS to Full Open
Closed to Full-Open
MIN POS to Full Open
Closed to Full-Open
OCCUPIED
UNOCCUPIED
VENTMIN
VENTMIN
VENTMIN
VENTMIN
VENTMIN to
Closed to Full-Open
Full-Open
VENTMIN to
Closed to Full-Open
Full-Open
VENTMIN to
VENTMAX
VENTMIN to
VENTMAX
VENTMIN to
VENTMAX
VENTMIN to
VENTMAX
VENTMIN to
Closed to Full-Open
Full-Open
VENTMIN to
Closed to Full-Open
Full-Open
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed

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