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Honeywell Excel 10 W7752D User Manual page 22

Fan coil unit controllers lns plug-ins
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EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE
recommended
wire
min. wire size
function
AWG (mm
L
W
14 to 20 AWG
ON
ORKS
(plenum)
(2.0 to 0.5 mm
L
W
ON
ORKS
14 to 20 AWG
(non-
(2.0 to 0.5 mm
plenum)*
input
wiring,
14 to 20 AWG
sensors,
(2.0 to 0.5 mm
contacts
14 to 20 AWG
output
(2.0 to 0.5 mm
wiring,
20 AWG (0.5 mm
actuators,
acceptable for
relays
short runs
power
14 to 20 AWG
wiring
(2.0 to 0.5 mm
NOTE: PVC wire must not be used where prohibited by local fire regulations.
EN2B-0285GE51 R0909
Table 10. Field wiring reference table (US part numbers shown)
construction
2
)
twisted pair solid
2
)
conductor, non-shielded.
twisted pair solid
2
)
conductor, non-shielded.
multi-conductor (usually
five-wire cable bundle); for
runs >100 ft (30 m),
2
)
twisted pair or shielded
cable is recommended.
2
)
any pair non-shielded (use
2
)
heavier wire for longer
runs).
any pair non-shielded (use
heavier wire for longer
2
)
runs).
specification
or
vendor wire type
requirement
Honeywell (US)
AK3791 (one twisted pair)
Level IV 140°F
AK3792 (two twisted pairs)
(60°C) rating
(Europe: Belden
9H2201504)
Honeywell (US)
AK3781 (one twisted pair)
Level IV 140°F
AK3782 (two twisted pairs)
(60°C) rating
(Europe: Belden
9D220150)
140°F (60°C)
Standard thermostat wire
rating
Honeywell (US)
NEC Class 2
AK3702 (18 AWG)
140°F (60°C)
AK3712 (16 AWG)
rating
AK3754 (14 AWG)
or equivalent
Honeywell (US)
NEC Class 2
AK3754 (14 AWG)
140°F (60°C)
(twisted pair)
rating
AK3909 (14 AWG) single
conductor or equivalent
20
max. length ft (m)
See Step 2
See Step 2
82.5 ft (25 m)
200 ft (60 m)
Limited by line loss
effects on power
consumption.
(See Line Loss
subsection.)

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