Carrier 50HCQ12 Installation Instructions Manual page 39

Single package rooftop heat pump with puron r-410a refrigerant
Hide thumbs Also See for 50HCQ12:
Table of Contents

Advertisement

Table 17 — Enthalpy Operation, with Demand Controlled Ventilation (DCV) (CO
OUTSIDE AIR
DCV
GOOD TO
ECONOMIZE?
No
Below
Set
Yes
No
Above
Set
Yes
*With 2SP FAN DELAY (Advanced Setup Menu) when in the economizing
mode there is a delay for the high speed fan to try to satisfy the call for
second stage cooling by turning on the fan to high and opening the OA
damper 100% before the first stage mechanical cooling is enabled.
Table 18 — Dry Bulb Operation, No Demand Controlled Ventilation (DCV) (CO
OUTSIDE AIR
DCV
GOOD TO
ECONOMIZE?
No
None
Yes
*With 2SP FAN DELAY (Advanced Setup Menu) when in the economizing
mode there is a delay for the high speed fan to try to satisfy the call for
second stage cooling by turning on the fan to high and opening the OA
damper 100% before the first stage mechanical cooling is enabled.
Table 19 — Dry Bulb Operation, with Demand Controlled Ventilation (DCV) (CO
OUTSIDE AIR
DCV
GOOD TO
ECONOMIZE?
No
Below
Set
Yes
No
Above
Set
Yes
*With 2SP FAN DELAY (Advanced Setup Menu) when in the economizing
mode there is a delay for the high speed fan to try to satisfy the call for
second stage cooling by turning on the fan to high and opening the OA
damper 100% before the first stage mechanical cooling is enabled.
Y1-I
Y2-I
FAN SPEED
Off
Off
High
On
Off
High
On
On
High
Off
Off
High
On
Off
High
On
On
High
Off
Off
High
On
Off
High
On
On
High
Off
Off
High
On
Off
High
On
On
High
Y1-I
Y2-I
FAN SPEED
Off
Off
Low
On
Off
Low
On
On
High
Off
Off
Low
On
Off
Low
On
On
High
Y1-I
Y2-I
FAN SPEED
Off
Off
Low
On
Off
Low
On
On
High
Off
Off
Low
On
Off
Low
On
On
High
Off
Off
Low
On
Off
Low
On
On
High
Off
Off
Low
On
Off
Low
On
On
High
Y1-O
Y2-O
0-v/Off
0-v/Off
VENTMIN
24-v/On
0-v/Off
VENTMIN
24-v/On
24-v/On
VENTMIN
0-v/Off
0-v/Off
VENTMIN
0-v/Off
0-v/Off
VENTMIN to Full-Open
24-v/On
0-v/Off
VENTMIN to Full-Open
0-v/Off
0-v/Off
VENTMIN to VENTMAX
24-v/On
0-v/Off
VENTMIN L to VENTMAX Closed
VENTMIN H to
24-v/On
24-v/On
VENTMAX
0-v/Off
0-v/Off
VENTMIN L to VENTMAX Closed
0-v/Off
0-v/Off
VENTMIN to Full-Open
DELAY*
0-v/Off
VENTMIN to Full-Open
24-v/On
With stage 3 delay (STG3 DLY) in Advanced setup menu, second stage
of mechanical cooling Y2-O can be turned on after the delay if the calls for
Y1-I and Y2-I have not been satisfied.
Y1-O
Y2-O
0-v/Off
0-v/Off
MIN POS L
24-v/On
0-v/Off
MIN POS L
24-v/On
24-v/On
MIN POS H
0-v/Off
0-v/Off
MIN POS L
0-v/Off
0-v/Off
MIN POS L to Full-Open
DELAY*
0-v/Off
MIN POS H to Full-Open
24-v/On
With stage 3 delay (STG3 DLY) in Advanced setup menu, second stage
of mechanical cooling Y2-O can be turned on after the delay if the calls for
Y1-I and Y2-I have not been satisfied.
Y1-O
Y2-O
0-v/Off
0-v/Off
VENTMIN L
24-v/On
0-v/Off
VENTMIN L
24-v/On
24-v/On
VENTMIN H
0-v/Off
0-v/Off
VENTMIN L
0-v/Off
0-v/Off
VENTMIN L to Full-Open
24-v/On
0-v/Off
VENTMIN H to Full-Open
0-v/Off
0-v/Off
VENTMIN L to VENTMAX
24-v/On
0-v/Off
VENTMIN L to VENTMAX
24-v/On
24-v/On
VENTMIN H to VENTMAX
0-v/Off
0-v/Off
VENTMIN L to VENTMAX
0-v/Off
0-v/Off
VENTMIN L to Full-Open
DELAY*
0-v/Off
VENTMIN H to Full-Open
24-v/On
With stage 3 delay (STG3 DLY) in Advanced setup menu, second stage
of mechanical cooling Y2-O can be turned on after the delay if the calls for
Y1-I and Y2-I have not been satisfied.
39
Sensor) — 1 Speed Fan
2
OCCUPIED
UNOCCUPIED
Closed
Closed
Closed
Closed
Closed to Full-Open
Closed to Full-Open
Closed
Closed
Closed to Full-Open
Closed to Full-Open
Sensor) — 2 Speed Fan
2
OCCUPIED
UNOCCUPIED
Closed
Closed
Closed
Closed
Closed to Full-Open
Closed to Full-Open
Sensor) — 2 Speed Fan
2
OCCUPIED
UNOCCUPIED
Closed
Closed
Closed
Closed
Closed to Full-Open
Closed to Full-Open
Closed
Closed
Closed
Closed
Closed to Full-Open
Closed to Full-Open

Advertisement

Table of Contents
loading

Table of Contents