Installation Instructions
Electrical Requirements
Control wiring" to "Electric wiring
Using 18 Gauge Solid Core Copper Wire
1. Cut back the insulation 1" from the end of the wire.
2. Remove the screw from the terminal block, and wrap
the wire around the screw.
3. Return the screw and wire to the terminal block and
tighten securely.
Stranded Wire
1. Cut back the insulation 3/8" from the end of the wire.
2. Make sure the round or forked terminal connector is
rated for the amperage of the unit being installed.
3. Use a crimping tool only to fasten the connector to the
wire.
4. Return the screw and connector to the terminal block
and tighten securely.
Solderless
Terminal
31-5000710 Rev. 2
Model
UUY24ZGDA*
UUY36ZGDA*
208/230V-1Ph-60Hz
UUY48ZGDA*
UUY60ZGDA*
Jacket / Insulation
Power Supply
Recommended breaker
Wiring Connections
1. High and low voltage wires should be led through
2. Maintain as much separation as possible between the
power and control wiring.
3. High and low voltage wires should be secured
separately. Secure the former ones with large clamps
and the latter ones with small clamps.
4. Use screws to tighten high and low voltage wiring on
the terminal board. Improper connection may create a
5. Ground the units by connecting the ground wire.
6. All wiring must comply with local and national code.
Duct System
CAUTION
1. Ensure that the power supply is disconnected prior to
installing the heater kit.
2. A means of strain relief and conductor protection must
be provided at the supply wire entrance into cabinet.
3. Only use copper conductors.
4. Installation must follow The National Electrical Code
and other applicable codes.
5. If this appliance is installed in an enclosed area, such
as a garage or utility room with any carbon monoxide
producing appliance, ensure that area is properly
ventilated to the outside.
size (A)
15
Screw with
Special Fastener
Round
Terminal
Terminal
Board
Wire
13