Carrier WeatherExpert 48N2 Installation Instructions Manual page 50

SPECIFICATION
Cable
Conductor
Insulation
Color Code
Twist Lay
Shielding
Jacket
DC Resistance
Capacitance
Characteristic Impedance
Weight
UL Temperature Rating
Voltage
Listing
LEGEND
AWG — American Wire Gage
CL2P — Class 2 Plenum Cable
DC — Direct Current
FEP — Fluorinated Ethylene Polymer
NEC — National Electrical Code
O.D. — Outside Diameter
TC — Tinned Copper
UL — Underwriters Laboratories
Table 15 — Open System Wiring Specifications and Recommended Vendors
WIRING SPECIFICATIONS
Wire Type
22 AWG, single twisted shielded pair, low capacitance, CL2P, TC foam
MS/TP
FEP, plenum rated. See MS/TP Installation Guide for specifications.
Network
24 AWG, single twisted shielded pair, low capacitance, CL2P, TC foam
(RS-485)
FEP, plenum rated. See MS/TP Installation Guide for specifications.
Rnet
4 conductor, unshielded, CMP, 18 AWG, plenum rated.
LEGEND
AWG — American Wire Gage
CL2P — Class 2 Plenum Cable
CMP — Communications Plenum Rated
FEP — Fluorinated Ethylene Polymer
TC — Tinned Copper
FUNCTION
Supply Fan
VFD†
Economizer
Return Air Damper
Exhaust Fans
Exhaust Damper
LEGEND
VAV — Variable Air Volume
VFD — Variable Frequency Drive
*Power exhaust option required for this mode.
†Applicable to VAV units with appropriate options.
Table 14 — MS/TP Wiring Recommendations
Single twisted pair, low capacitance, CL2P, 22 AWG (7x30), TC foam FEP, plenum rated cable
22 or 24 AWG stranded copper (tin plated)
Foamed FEP 0.015 in. (0.381 mm) wall 0.060 in. (1.524 mm) O.D.
Black/White
2 in. (50.8 mm) lay on pair 6 twists/foot (20 twists/meter) nominal
Aluminum/Mylar shield with 24 AWG TC drain wire
SmokeGard Jacket (SmokeGard PVC) 0.021 in. (0.5334 mm) wall 0.175 in. (4.445 mm) O.D.
Halar Jacket (E-CTFE) 0.010 in. (0.254 mm) wall 0.144 in. (3.6576 mm) O.D.
15.2 Ohms/1000 feet (50 Ohms/km) nominal
12.5 pF/ft (41 pF/meter) nominal conductor to conductor
100 Ohms nominal
12 lb/1000 feet (17.9 kg/km)
SmokeGard 167°F (75°C)
Halar –40 to 302°F (–40 to 150°C)
300 Vac, power limited
UL: NEC CL2P, or better
Description
Table 16 — Smoke Control Modes
Fire Shutdown
Off
—
Closed
Open
Off
Closed
RECOMMENDATION
RECOMMENDED VENDORS AND PART NUMBERS
Connect Air
International
W221P-22227
W241P-2000F
W184C-2099BLB 6302UE
MODE
Pressurization Evacuation*
On
Open/On
Open
Closed
Off
Closed
50
Contractors
Belden RMCORP
Wire and Cable
— 25160PV CLP0520LC
82841 25120-OR
21450 CLP0442
Smoke Purge*
Off On
— Open/On
Open Open
Closed Closed
On On
Open Open
—