Carrier XCT 7 40VA003D7FAQEE Manual Del Usuario página 29

Initial setting
Note:
In case of strong electricity output, it is necessary to connect the relay first before connecting to the electrical devices.
Connect method:
1. One by one: The plan A or plan B or plan C or plan D is available. Dedicated AHU controller necessary
for plan D.
2. One outdoor with multiple AHU valves (AHU has only one coil): The plan A or plan B or plan C or plan D
is available, and the max. qty of AHU DX kites is 4. Dedicated AHU controller necessary for plan D.
3. One outdoor with multiple AHU valves (AHU has multiple coils): The plan A or plan B or plan C or plan D
is available, and the max. qty of AHU DX kites is 4. Dedicated AHU controller necessary for plan D.
PQ
AHU kit
c d
Controller
PLAN C / D (necessary)
PLAN A / B (optional)
gas pipe
PLAN C / D (necessary)
PLAN A / B (optional)
Controller
PQ
AHU kit
AHU kit
AHU kit
AHU kit
PQ
AHU kit
AHU kit
c
AHU kit
AHU kit
DDC
PLAN A / B
ON/OFF
PLAN C
DDC
PLAN A / B
ON/OFF
PLAN C
d
PLAN C / D (necessary)
PLAN A / B (optional)
Controller
PLAN C
PLAN A / B
ON/OFF
28
DDC