FE4A
FE5A
Installation Instructions
COMMUNICATING FAN COIL
FOR P URONr REFRIGERANT
SIZES 002, 003, 004, 005, 006
NOTE: Read the entire instruction manual before starting the
installation.
PAGE
SAFETY CONSIDERATIONS 1.........................
INTRODUCTION 1...................................
INSTALLATION 1....................................
Check Equipment 1................................
Mount Fan Coil 2..................................
Air Ducts 6.......................................
Electrical Connections 7.............................
Refrigerant Tubing Connection & Evacuation 8..........
Condensate Drain 9................................
Unit Start- Up 10..................................
Accessory Installation 10............................
Start- Up and Troubleshooting 11.....................
FE4A, FE5A Fan Coil Sequence of Operation 14.........
CARE AND MAINTENANCE 14........................
PURONR REFRIGERANT QUICK REFERENCE GUIDE 16.
SAFETY CONSIDERATIONS
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal injury
or death.
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 kits or accessories
when installing.
!
WARNING
Follow all safety codes. Wear safety glasses and work gloves. Use
quenching cloth for brazing operations. Have fire extinguisher
available. Read these instructions thoroughly and follow all
warnings or cautions attached to the unit. Consult local building
codes and National Electrical Code (NEC) for sp ecial
requirements.
Recognize safety information. This is the safety- alert symbol
.
When you see this symbol on the unit and in instructions 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.
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal injury
or death.
Before installing or servicing unit, always turn off all power
to unit. There may be more than 1 disconnect switch. Turn
off accessory heater power if applicable.
!
WARNING
INTRODUCTION
Model FE4A, FE5A fan coils are designed to be installed with a
communicating User Interface. The FE4A, FE5A fan coils will
provide airflow at a rate commanded by the User Interface. The
nominal airflow/ton rate is 350 CFM/ton. The User Interface will
modify the commanded airflow under certain operating modes.
Refer to the User Interface literature for further system control
details. This fan coil will not respond to commands from a
common thermostat except under certain emergency situations
explained in this document. The instructions contained herein
provide guidance to successfully install this fan coil.
Model FE5A fan coil units are designed for upflow or downflow
applications only. Model FE4A fan coil units are designed for
flexibility and can be used for upflow, horizontal, or downflow
applications. These units are designed specifically for Puronr
(R- 410A) refrigerant and must be used only with Puronr
refrigerant air conditioners and heat pumps as shipped.
These units are designed to meet cabinet air leakage of less than
2% at 0.5 inches W.C. and cabinet air leakage less than 1.4% at 0.5
inches W.C. when tested in accordance with ASHRAE 193
standard. Because of this, units need special attention in the
condensate pan and drain connection area and when brazing
tubing.
These units are available for application in systems of 18,000
through 60,000 Btuh nominal cooling capacities.
Factory- authorized, field- installed electric heater packages are
available in 5 through 30 kW. See Product Data for available
accessory kits.
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