user manual

3
1.0 SAFETY INFORMATION
!
WARNING
THIS UNIT MUST BE PERMANENTLY GROUNDED. A GROUND LUG IS
PROVIDED NEAR THE CONTACTOR FOR A GROUND WIRE. FAILURE TO
DO SO CAN CAUSE A FIRE OR ELECTRICAL SHOCK RESULTING IN
PROPERTY DAMAGE, SEVERE PERSONAL INJURY OR DEATH.
!
WARNING
AFTER COMPLETION OF WIRING CHECK ALL ELECTRICAL CONNEC-
TIONS, INCLUDING FACTORY WIRING WITHIN THE UNIT, AND MAKE
SURE ALL CONNECTIONS ARE TIGHT, REPLACE AND SECURE ALL
ELECTRICAL BOX COVERS AND ACCESS DOORS BEFORE LEAVING
UNIT OR TURNING ON POWER TO CIRCUIT SUPPLY UNIT. FAILURE TO
DO SO CAN CAUSE A FIRE OR ELECTRICAL SHOCK RESULTING IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
!
CAUTION
R-410A systems operate at higher pressures than R-22 systems. Do not use
R-22 service equipment or components on R-410A equipment.
!
CAUTION
Only use evaporators approved for use on R-410A systems. Use of existing R-22
evaporators can introduce mineral oil to the R-410A refrigerant forming two differ-
ent liquids and decreasing oil return to the compressor. This can result in com-
pressor failure.
!
WARNING
THESE INSTRUCTIONS ARE INTENDED AS AN AID TO QUALIFIED
LICENSED SERVICE PERSONNEL FOR PROPER INSTALLATION,
ADJUSTMENT AND OPERATION OF THIS UNIT. READ THESE INSTRUC-
TIONS THOROUGHLY BEFORE ATTEMPTING INSTALLATION OR OPERA-
TION. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN
IMPROPER INSTALLATION, ADJUSTMENT, SERVICE OR MAINTENANCE
POSSIBLY RESULTING IN FIRE, ELECTRICAL SHOCK, PROPERTY DAM-
A
GE, PERSONAL INJURY OR DEATH.
!
WARNING
IMPORTANT: ALL MANUFACTUR-
ER PRODUCTS MEET CURRENT
FEDERAL OSHA GUIDELINES FOR
SAFETY. CALIFORNIA
P
ROPOSITION 65 WARNINGS ARE
REQUIRED FOR CERTAIN PROD-
UCTS, WHICH ARE NOT COVERED
BY THE OSHA STANDARDS.
CALIFORNIA'S PROPOSITION 65
REQUIRES WARNINGS FOR PROD-
UCTS SOLD IN CALIFORNIA THAT
CONTAIN, OR PRODUCE, ANY OF
OVER 600 LISTED CHEMICALS
KNOWN TO THE STATE OF
C
ALIFORNIA TO CAUSE CANCER
OR BIRTH DEFECTS SUCH AS
FIBERGLASS INSULATION, LEAD
IN BRASS, AND COMBUSTION
PRODUCTS FROM NATURAL GAS.
ALL “NEW EQUIPMENT” SHIPPED
FOR SALE IN CALIFORNIA WILL
HAVE LABELS STATING THAT THE
PRODUCT CONTAINS AND/OR
PRODUCES PROPOSITION 65
CHEMICALS. ALTHOUGH WE HAVE
NOT CHANGED OUR PROCESSES,
HAVING THE SAME LABEL ON ALL
OUR PRODUCTS FACILITATES
MANUFACTURING AND SHIPPING.
WE CANNOT ALWAYS KNOW
“WHEN, OR IF” PRODUCTS WILL
BE SOLD IN THE CALIFORNIA
MARKET.
YOU MAY RECEIVE INQUIRIES
FROM CUSTOMERS ABOUT CHEMI-
CALS FOUND IN, OR PRODUCED
BY, SOME OF OUR HEATING AND
AIR-CONDITIONING EQUIPMENT,
OR FOUND IN NATURAL GAS USED
WITH SOME OF OUR PRODUCTS.
LISTED BELOW ARE THOSE CHEM-
ICALS AND SUBSTANCES COM-
MONLY ASSOCIATED WITH SIMI-
LAR EQUIPMENT IN OUR INDUS-
TRY AND OTHER MANUFACTUR-
ERS.
• GLASS WOOL (FIBERGLASS)
INSULATION
• CARBON MONOXIDE (CO)
• FORMALDEHYDE
• BENZENE
MORE DETAILS ARE AVAILABLE
AT THE WEBSITES FOR OSHA
(OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION), AT
WWW.OSHA.GOV
AND THE STATE
OF CALIFORNIA'S OEHHA (OFFICE
OF ENVIRONMENTAL HEALTH
HAZARD ASSESSMENT), AT
WWW.OEHHA.ORG.
CONSUMER
EDUCATION IS IMPORTANT SINCE
THE CHEMICALS AND SUB-
STANCES ON THE LIST ARE
FOUND IN OUR DAILY LIVES. MOST
CONSUMERS ARE AWARE THAT
PRODUCTS PRESENT SAFETY AND
HEALTH RISKS, WHEN IMPROPER-
LY USED, HANDLED AND MAIN-
TAINED.
!
WARNING
DISCONNECT ALL POWER TO THE UNIT BEFORE STARTING MAINTENANCE.
FAILURE TO DO SO CAN RESULT IN SEVERE ELECTRICAL SHOCK OR
DEATH.
!
WARNING
DO NOT USE OXYGEN TO PURGE LINES OR PRESSURE SYSTEM FOR
LEAK TEST. OXYGEN REACTS VIOLENTLY WITH OIL, WHICH CAN
CAUSE AN EXPLOSION RESULTING IN SEVERE PERSONAL INJURY OR
DEATH.