Outdoor Unit Wiring; In North America - Mars Comfort-Aire Century VCD24 SA Series Installation Manual

Installation and Operation Manual - VCDxxSA

OUTDOOR UNIT WIRING

WARNING
Before performing any electrical or wiring work, turn off the main power to the system.
Step 1: Prepare the cable for connection.
1. You must first choose the right cable size.
2. Using wire strippers, strip the rubber
jacketfrom both ends of the signal cable to
reveal approximately 15cm (5.9") of wire.
3. Strip the insulation from the ends.
4. Stranded wire requires u-lugs or ring
terminals to be crimped onto the ends of
the wire.
NOTICE
When connecting the wires, strictly
●
follow the wiring diagram found inside the
electrical box cover.
Choose the cable type according to the
●
local electrical switchs and regulations.
Please choose the right cable size
●
according to the Minimum Circuit Ampacity
indicated on the nameplateof the unit.
Step 2: Remove the electric cover.
Remove the electric cover of the outdoor unit.
If there is no cover on the outdoor unit, take off
the bolts from the maintenance board and
remove the protection board.
Step 3: Connect the u-lugs to
the terminals
Match the wire colors/labels with the labels on
the terminal block. Firmly screw the u-lug of
each wire to its corresponding terminal.
4. Clamp down the cable with the cable clamp.
5. Insulate unused wires with electrical tape.
Keep them away from any electrical or metal
parts.
6. Reinstall the cover of the electric control box.

In North America

1. Remove the wire cover from the unit by
loosening the 3 screws.
2. Remove caps on the conduit panel.
3. Mount the conduit tubes(not included) on the
caonduit panel.
4. Properly connect both the power supply and
low voltage lines to the corresponding
terminals on the terminal block.
5. Ground the unit in accordance with local switchs.
6. Be sure to size each wire allowing several
inches longer than the required length for wiring.
Terminal block
Cover
Screw
32
G G
Wire Cover
Please select the appropriate through-hole according
to the diameter of the wire.
WARNING
ISOLATE THE POWER SUPPLY LEADS AND
COMMUNICATION LEADS BY THE STRAIN
RELIF AND KEEP POWER SUPPLY LEADS
AWAY FROM COMMUNICATION LEADS.
Connecting cable
Power supply cord
Conduit panel