Carrier XCT Series Installation And Owner's Manual page 27

Electrical Wiring
(5) Description of jump wire:SW08 (1:ON, 2:OFF)
J1 fix air volume
J2 Run at Mid speed
when Hi Speed is selected
J3 Quiet running mode
J4 This Indoor has highest priority
J5 Indoor and outdoor 90 meters
drop selection
J6 reserved
J7 indoor installation
height selection
J8 twin energy source
Note: 0 indicates disconnection, 1 indicates short circuit.
Default position:
SW01: depend on unit capacity CN41, CN42, CN43: open circuit.
CN44: open circuit except of floor ceiling unit SW07: all ON J1-J8: all ON.
1 normal mode(default)
0 Air volume is fixed at high speed(for duct type)
1 normal mode(default)
0 Run at Mid speed when Hi Speed is selected
1 normal mode(default)
0 Quiet running mode
1 normal mode(default)
0 This Indoor has highest priority(the target degree of superheat
reduce 1 degree when Tao is between 10 and 43 degree)
1 normal mode(default)
0 high drop
-- --
1 normal mode(default)
0 Above 2.7m, uses next higher fan speed (indoor fan speed improve
1 grade)
1 normal mode-TES is unavailable (default)
0 TES is available
19