Carrier 40UV - Page 22

L1 ...... 4 BLK/100 BLK/109 BLK/109 TRAN! RED/502
208/230V
USE COPPER SUPPLYWIRES i
L2.
GND ......
LLR
REMOTE CONDENSER.
L_
LLR tNSTALLED ONLY ON [J
UNITS WITH DX COILS
LEGEND
DISC -- Disconnect Switch
DX -- Direct Expansion
ECM -- ElectronicallyCommutatad Motor
ESP -- External Static Pressure
FU -- Fuse
GND -- Ground
LLR -- DX Low Limit Switch
LLT -- Water Coil Low LimitThermostat
SW -- Switch
TRAN -- Transformer
_ Harness Connection
• Connection Point Splice
• Splice Terminal Connection
O Component Tie Point
.... Optional Wiring
-- Factory Wiring
)! Chassis Ground
Earth Ground
NOTES:
SPEED BOARD B_
LOW [ YEL/EC5.,
2424vac _= ISEE NOTE 3 ___'
RED/EC12
_HIGH BLU/EC9
(])LOW
1. Make electrical installation in accordance with job diagram, and in compliance with national and
local electrical codes.
2. Low limit thermostat (LLT) is installed on all units with water coils.
3. Wire YEL/EC5 factory connected to LOW. Positions MED, HIGH, MAX are for field use with ESR
4. Transformers shown wired for 240v. However, transformers are factory-wired to match the voltage
listed on the unit nameplate.
Fig. 8B -- Unit Ventilator Wiring Without CCN Controls (2081230vac)
pOWE R
CABLE
16 PIN
RECEPTACLE
ON MOTOR
5 PIN
RECEPTACLE
ON MOTOR