Table of Contents
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CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1
Rated Indoor Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Step 1 - Plan for Unit Location . . . . . . . . . . . . . . . . 7
Step 3 - Inspect Unit . . . . . . . . . . . . . . . . . . . . . . . . . 7
Step 4 - Provide Unit Support . . . . . . . . . . . . . . . . . 7
• ALTERNATE UNIT SUPPORT (IN LIEU OF CURB OR
Step 5 - Field Fabricate Ductwork . . . . . . . . . . . . . . 9
Step 6 - Rig and Place Unit . . . . . . . . . . . . . . . . . . . 9
Ductwork (when required) . . . . . . . . . . . . . . . . . . 10
Step 8 - Install Outside Air Hood . . . . . . . . . . . . . . 11
HOOD PACKAGE REMOVAL AND SETUP (FACTORY
OPTION)
Step 9 - Units with Hinged Panels Only . . . . . . . . 12
and Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Step 11 - Make Electrical Connections . . . . . . . . . 12
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500246-01
Installation Instructions
Printed in U.S.A.
Form 50FCQ-4-7-01SI
Single Package Rooftop Heat Pump
with Puron
®
EconoMi$er® X (Factory Option) . . . . . . . . . . . . . . .31
• INPUTS
RTU Open Controller (Factory Option) . . . . . . . . . .44
SystemVu™ Controller (Factory Option) . . . . . . . . .44
Controller Options . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Smoke Detectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Step 12 - Adjust Factory-Installed Options . . . . . . 44
• SMOKE DETECTORS
Step 13 - Install Accessories . . . . . . . . . . . . . . . . .45
Step 14 - Fan Speed Set Up . . . . . . . . . . . . . . . . . .46
Typical Unit Piping . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Pre-Start and Start-Up . . . . . . . . . . . . . . . . . . . . . . . .49
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . CL-1
SAFETY CONSIDERATIONS
Improper
installation,
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
packaged with the kits or accessories when installing.
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 safety-
alert symbol
. When you see this symbol on the unit and in
instructions or manuals, be alert to the potential for personal
injury.
Pg 1
WeatherMaker
50FCQ*04-07
(R-410A) Refrigerant
adjustment,
alteration,
4-2020
Replaces: New
®
service,
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