Installation guide

I EVACUATE I
[BREAK VACUUM WITH DRY NITROGEN
IEVACUATEI
[BREAK VACUUM WITH DRY NITROGEN
IEVACUATEI
CHECK FOR TIGHT, DRY SYSTEM
(IF IT HOLDS DEEP VACUUM)
[ CHARGE SYSTEM ]
A95425
Fig. 7 - THple Evacuation Method
Final Tubing Check
IMPORTANT: Check to be certain factory tubing on both
indoor and outdoor unit has not shifted during shipment. Ensure
tubes are not rubbing against each other or any sheet metal. Pay
close attention to feeder tubes, making sure wire ties on feeder
tubes are secure and tight.
STEP 7 --Make Electrical Connections
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
The unit cabinet must have an uninterrupted or unbroken
ground to minimize personal injury if an electrical fault
should occur. The ground may consist of electrical wire or
metal conduit when installed in accordance with existing
electrical codes.
Connect Ground and Power Wires
Connect ground wire to ground connection in control box for
safety. Connect power wiring to contactor as shown in Fig. 8.
DISCONNECT_q
PER N.E.C. AND/OR_q
LOCAL CODES
]
FIELD POWER
WIRING
3 PHASE ONLY
FIELD GROUND
WIRING
J
BLUE
CONTACTOR
(-
.)
©
GROUNDD
LUG
Fig. 8 - Line Connections
A94025
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
Do not supply power to unit with compressor terminal
box cover removed.
Be sure field wiring complies with local and national fire, safety,
and electrical codes, and voltage to system is within limits shown
on unit rating plate. Contact local power company for correction
of improper voltage. See unit rating plate for recommended
circuit protection device.
NOTE: Operation of unit on improper line voltage constitutes
abuse and could affect unit reliability. See unit rating plate. Do
not install unit in system where voltage may fluctuate above or
below permissible limits.
NOTE: Use copper wire only between disconnect switch and
unit.
NOTE: Install branch circuit disconnect of adequate size per
NEC to handle unit starting current. Locate disconnect within
sight from and readily accessible from unit, per Section 440-14
of NEC.
Route Ground and Power Wiles
Remove access panel to gain access to unit wiring. Extend wires
from disconnect through power wiring hole provided and into
unit control box.
O
CONTACTOR 24VAC COM
O
O
OFF;NO 24VAC L_2
ON:OK
FLASH;PHASE PROBLEM
0 0 o
L3 L1
Fig, 9 - 3-Phase Monitor Control
(Applies to 3-Phase Units Only)
AO0010
Table 3--3-Phase Monitor LED Indicators
LED STATUS
No call for compressor opera-
OFF tion
FLASHING Reversed phase
ON Normal