Nordyne 13 SEER User's Information And Installation Instructions Manual page 4

These units are equippedwith single shot
quick connectcouplings.Togetherwith the
indoorsectionandline set,onlyfourcoupling
connections are requiredto providea 100%
sealedsystem.
Route thesuction lineandliquidlinebetween
indoor a ndoutdoor s ections, remove protector
capsandplugs
lubricate entiresurface of thediaphragm "O"
ringandthreads of the malecoupling using
the lubricant s upplied withthe linesetanda
smallbrush.
Ensure thatcoupling halves areheld inproper
alignment witheachotherpriortostarting the
threads offemalecoupling nutontothe male
half.Thread c oupling halves together b yhand
untila definite resistance is felt.
Usinga marker, marka linefromthecoupling
union nut to the bulkhead then tightenan
addition wrench flat(60°). S eetablefortorque
values.Repeat f orallcouplings.
Optional Equipment- Optionalequipment
(e.g. : filter/driers, liquid linesolenoid valves, e tc.)
shouldbeinstalled instrictaccordance w iththe
manufacturer's installation instructions.
Female Female
Coupling Male
Size Torque Coup ng Couplinc Coupling
Nut Body
3/8" 10-12 Ft-Lbs (14-16 3/4" 11/16" 5/8"
(10mm) Nm)
3/4" 35-45 Ft-Lbs (47-61 1-1/8" 1-5/16" 1"
(19ram) Nm)
7.8" 10-12 Ft-Lbs (14-16 1-1/8" 1-5/16" 1"
(22mm) Nm)
Table 1. Torque Values
7. MAKING ELECTRICAL
CONNECTIONS
WARNING:
Turn off all electrical power at the main
circuit box before wiring electrical
power to the outdoor unit. Failure to
comply may cause severe personnel
injury or death.
Wiring Diagram/Schematic -- A wiring dia-
gram/schematic is located on the inside cover
of the electrical box of the outdoor unit. The
installer should become familiar with the wiring
diagram/schematic before making any electrical
connections to the outdoor unit.
Outdoor Unit Connections -- The outdoor
unit requires both power and control circuit
electrical connections. Refer to the unit wiring
diagram/schematic for identification and location
of outdoor unit field wiring interfaces.
Control Circuit Wiring --The outdoor unit is
designed to operate from a 24 VAC Class II control
circuit. Control circuit wiring must comply with
the current provisions of the "National Electrical
Code" (ANSI C1 .) and with applicable local codes
having jurisdiction.
Thermostat Connections -- Thermostat con-
nections should be made in accordance with the
instructions supplied with the thermostat, and
with the instructions supplied with the indoor
equipment.
Electrical PowerWiring-- Electrical power wir-
ing shall comply with the current provisions of the
"National Electrical Code" (ANSI C1 .) and with
applicable local codes having jurisdiction. Use
of rain tight conduit is recommended. Electrical
conductors shall have minimum circuit ampac-
ity in compliance with the outdoor unit rating
label. The facility shall employ electrical circuit
protection at a current rating no greater than that
indicated on the outdoor unit rating label.
Minimum Circuit Ampacity-- Electrical wiring
to the equipment must be compatible and in
compliance with the minimum circuit ampacity
listed on the outdoor unit data label.
Maximum Fuse/Circuit Breaker Size-- Circuit
protection for the outdoor unit must be compat-
ible with the maximum fuse/circuit breaker size
listed on the outdoor unit data label.
COPPER WIRE SIZE -- AWG
(1% Voltage Drop)
Supply Wire Length-Feet Supply Circuit
200 150 100 50 Ampacity
6 8 10 14 15
4 6 8 12 20
4 6 8 10 25
4 4 6 10 30
3 4 6 8 35
3 4 6 8 40
2 3 4 6 45
2 3 4 6 50
Wire Size based on N.E.C. for 60 ° type copper
conductors.