Carrier XCT 7 40VA003D7FAQEE Manual Del Usuario página 30

Initial setting
4 . One outdoor with multiple AHU valves (AHU has multiple coils): The plan A or plan B or plan C is
available, and the max. qty of AHU DX kites is 4.
5. Mixed connection: the plan C or plan D is available. Dedicated AHU controller necessary for plan D.
6. Mixed connection (multiple outdoor units with one AHU, AHU has multiple coils):
Note: This connection method is not recommended.
PQ
AHU kit
AHU kit
AHU kit
AHU kit
PLAN C / D
Controller
PQ
AHU kit
c
PLAN C / D (necessary)
PLAN A / B (optional)
PQ
AHU kit
PQ
AHU kit
PQ
AHU kit
PQ
AHU kit
PLAN C / D
Controller
PLAN C
ON/OFF
b
PLAN C / D
Controller
PLAN C
ON/OFF
PLAN C / D
d
Controller
PLAN C
ON/OFF
PLAN C / D
Controller
PLAN C
ON/OFF
PLAN C
ON/OFF
Controller
Controller
Controller
DDC
PLAN C
PLAN A / B
ON/OFF
29
Controller