40RU-Carrier Air Handling Units

40RU
Packaged Air---Handling Units

60 Hz

With PuronR (R---410A) Refrigerant
Sizes 07, 08, 12, 14, 16

Installation, Start---Up and
Service Instructions

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock or other conditions which may cause 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 package
Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloths for brazing operations and have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions attached to the unit. Consult local building codes and appropriate
national electrical codes (in USA, ANSI/NFPA70,
National Electrical Code (NEC); in Canada, CSA C22.1)
for special requirements.
It is important to recognize safety information. This is the . When you see this symbol on the
safety-- alert symbol
unit and in instructions or manuals, be alert to the
potential for personal injury.
Understand the signal words DANGER, WARNING,
CAUTION, and NOTE. 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.

!

PRE--INSTALLATION

WARNING

1. The power supply (v, ph, and Hz) must correspond to
that specified on unit rating plate.
2. The electrical supply provided by the utility must be sufficient to handle load imposed by this unit.
3. Refer to Installation, General section (page 2) and
Fig. 1 and Fig. 2 for locations of electrical inlets, condensate drain, duct connections, and required clearances before setting unit in place. 4. This installation must conform with local building
codes and with the NEC (National Electrical Code) or
ANSI (American National Standards Institute)/NFPA
(National Fire Protection Association) latest revision. Refer to provincial and local plumbing or wastewater