Installation Instructions
538A
PREFERRED
T
SERIES AIR CONDITIONER
WITH PURON
R
REFRIGERANT
1--1/2 TO 5 NOMINAL TONS
Fig. 1
---
538A
NOTE
: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS
1
. . . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION
2 -- 3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 1 -- Complete Pre--Installation Checks
2
. . . . . . . . . . . .
Step 2 -- Rig and Mount Unit
2
. . . . . . . . . . . . . . . . . . . . . .
Step 3 -- Complete Refrigerant Piping Connections
2
. . . . .
Step 4 -- Make Electrical Connections
3
. . . . . . . . . . . . . . . .
START--UP
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SERVICE
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAINTENANCE
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, personal injury, or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified
installer or agency must use factory--authorized kits or accessories
when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations.
Have fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in
literature and attached to the unit. Consult local building codes and
the current editions of the National Electrical Code (NEC)
NFPA70.
In Canada, refer to the current editions of the Canadian Electrical
Code CSA C22.1.
Recognize safety information. This is the safety--alert symbol
.
When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury. Understand
the signal words
DANGER
,
WARNING
, and
CAUTION.
These
words are used with the safety--alert symbol.
DANGER
identifies
the most serious hazards which
will
result in severe personal injury
or death.
WARNING
signifies hazards which
could
result in
personal injury or death.
CAUTION
is used to identify unsafe
practices which
may
result in minor personal injury or product and
property damage.
NOTE
is used to highlight suggestions which
will
result in enhanced installation, reliability, or operation.
!
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or
death.
Before installing, modifying, or servicing system, main
electrical disconnect switch must be in the OFF position. There
may be more than 1 disconnect switch. Lock out and tag
switch with a suitable warning label.
ENVIRONMENTAL HAZARD
Failure to follow this caution may result in environmental
pollution.
Remove and recycle all components or materials (i.e. oil,
refrigerant, etc.) before unit final disposal.
CAUTION
!
INSTALLATION
!
WARNING
UNIT OPERATION AND SAFETY HAZARD
Failure to follow this warning could result in personal injury
or equipment damage.
Puron (R--410A) refrigerant systems operate at higher
pressures than standard R--22 systems. Do not use R--22
service equipment or components on Puron refrigerant
equipment.
