5
IOM
W415-3148 / A / 10.04.23
3.3 CODES
H6.3_AC
This unit must be installed in accordance with all local codes, by-laws and regulations by those
authorities having jurisdiction.
Electrical connections must be made in accordance with:
a. Canada: current edition of CAN/CSA C22.1 and C22.2, Canadian Electrical Code (Part 1 and 2).
b. United States: current edition of ANSI/NFPA 70, National Electrical Code.
Codes and additional information may be obtained from:
Canadian Standards Association
5060 Spectrum Way
Mississauga, Ontario, L4W 5N6
Phone: (416) 747-4000
website: www.csa.ca
National Fire Protection Association
1 Batterymarch Park
Quincy, MA, 02169-7471
Phone: (617) 770-3000
website: www.nfpa.org
American Gas Association
400 North Capitol Street, NW,
Suite 450
Washington DC, 20001
Phone: (202) 824-7000
website: www.aga.org
1. Only trained service technicians familiar with standard
service instructions and training materials should
attempt installation, service, and repair of these units.
Failure to follow these instructions may result in
improper installation, adjustment, alteration, service,
maintenance, or use that can cause explosion, re,
electrical shock, or other conditions which may cause
death, personal injury, or property damage. For
information or assistance, consult a qualied installer,
service agency, your distributor or branch.
2. Unit contains R-410A refrigerant and POE compressor
oil! Use only R-410A refrigerant and approved POE
compressor oil. Refrigerant lines must be brazed and
rated for R-410A pressures!
3. Follow all safety codes.
4. Wear safety glasses, protective clothing, and work
gloves.
5. Have re extinguisher available.
6. Read instructions thoroughly and follow all warnings or
cautions included in literature and attached to the unit.
Consult federal, provincial, state, and local codes for
special requirements.
The unit should be installed in accordance with all National, Provincial/State and Local Safety Codes and the
limitations listed below:
1. Limitations for the indoor unit, coil, and appropriate accessories must also be observed.
2. The outdoor unit must not be installed with any duct work in the air stream. The outdoor fan is the propeller
type and is not designed to operate against any additional external static pressure.
3. The maximum and minimum conditions for operation must be observed to assure a system that will give
maximum performance with minimum service.
4. The unit should not be operated at outdoor temperatures below 50° F without an approved low ambient
operation accessory kit installed.
Ambient Air Temperature
on Outdoor Coil
Air Temperature
on Indoor Coil
TABLE 1.
H3.95
REFRIGERANT UNDER PRESSURE!
ALWAYS PRACTICE SAFE HANDLING OF
REFRIGERANTS. FAILURE TO FOLLOW PROPER
PROCEDURES MAY CAUSE PROPERTY DAMAGE,
PERSONAL INJURY OR DEATH.
REFRIGERANTS ARE HEAVIER THAN AIR AND
CAN CAUSE SUFFOCATION. TO AVOID
POSSIBLE DIFFICULTY IN BREATHING OR
DEATH:
• NEVER PURGE REFRIGERANT INTO AN
ENCLOSED ROOM OR SPACE. BY LAW, ALL
REFRIGERANTS MUST BE RECLAIMED.
• IF AN INDOOR LEAK IS SUSPECTED,
THOROUGHLY VENTILATE THE AREA BEFORE
BEGINNING WORK.
• LIQUID REFRIGERANT CAN BE VERY COLD.
TO AVOID POSSIBLE FROSTBITE OR BLIND-
NESS, AVOID CONTACT AND WEAR GLOVES
AND GOGGLES. IF LIQUID REFRIGERANT
DOES CONTACT YOUR SKIN OR EYES, SEEK
MEDICAL HELP IMMEDIATELY.
•
NEVER BURN REFRIGERANT, AS POISONOUS
GAS WILL BE PRODUCED.
WARNING
! !
4. LIMITATIONS