Appendix B - Sequence Of Operation - Carrier CRECOMZR101A00 Installation Instructions Manual

Table B — Fixed Dry-Bulb without DCV (CO
THERMOSTAT
CONTROL MODE
Cooling
Heating
CONVENTIONAL
Cooling
Heating
Cooling
Heating
HEAT PUMP
Cooling
Heating
NOTE(S):
a. If Y2I is ON for more than a set time (15 minutes by default) and the OAT is greater than MAT setpoint (3MATSET), then Relay 2 energizes to allow Y2 pass-through to
enable Cooling Stage 2.
b. Configure 3STG3 DLY under Advanced Settings on page 27 to change to another set time.
APPENDIX B — SEQUENCE OF OPERATION EXAMPLES
OA GOOD TO
OCCUPIED
ECONOMIZE?
N/A
Yes
Yes
No
Yes N/A
N/A
Yes
No
No
No N/A
N/A
Yes
Yes
No
Yes N/A
N/A
Yes
No
No
No N/A
Sensor) — 2-Speed Fan
2
ECONOMIZER
Y1I Y2I
Off Off
On Off
On On, <15 mins
On On, >15 mins
On Off
On On
Off Off
Off Off
On Off
On On, <15 mins
On On, >15 mins
On Off
On On
Off Off
Off Off
On Off
On On, <15 mins
On On, >15 mins
On Off
On On
Off Off
On Off
On On
Off Off
On Off
On On, <15 mins
On On, >15 mins
On Off
On On
Off Off
On Off
On On
31
DAMPER
Y1O Y2O
POSITION
Off Off Min Pos L
Off Off Min Pos L to 100%
On Off Min Pos H to 100%
On On/Off , Min Pos H to 100%
a b
On Off Min Pos L
On On Min Pos H
Off Off Min Pos H
Off Off Closed
Off Off Closed to 100%
On Off Closed to 100%
On On/Off Closed to 100%
a,b
On Off Closed
On On Closed
Off Off Closed
Off Off Min Pos L
Off Off Min Pos L to 100%
On Off Min Pos H to 100%
On On/Off a,b Min Pos H to 100%
On Off Min Pos L
On On Min Pos H
Off Off Min Pos H
On Off Min Pos H
On On Min Pos H
Off Off Closed
Off Off Closed to 100%
On Off Closed to 100%
On On/Off a,b Closed to 100%
On Off Closed
On On Closed
Off Off Closed
On Off Closed
On On Closed