Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500274-01
Printed in U.S.A.
Form 50JC-4-6-01SI
Pg 1
5-2020
Replaces: New
Installation Instructions
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . 1
MODEL NUMBER NOMENCLATURE AND
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Rated Indoor Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Step 1 — Plan for Unit Location
. . . . . . . . . . . . . . . . . 7
Step 2 — Plan for Sequence of Unit Installation
. . . . . . . . . . . . . . . . . . . . . . . . . 7
. . . . . . . . . . . . . . . . . . 7
• SLAB MOUNT (HORIZONTAL UNITS ONLY)
• ALTERNATE UNIT SUPPORT (IN LIEU OF CURB OR
Step 5 — Field Fabricate Ductwork
• UNITS WITH ACCESSORY OR OPTIONAL ELECTRIC
. . . . . . . . . . . . . . . . . . . . 9
Step 7 — Convert to Horizontal and Connect
Ductwork (When Required). . . . . . . . . . . . . . . . . . 10
Step 8 — Install Outside Air Hood
. . . . . . . . . . . . . . 11
• ECONOMIZER HOOD PACKAGE REMOVAL AND
Step 9 — Units with Hinged Panels Only
Step 10 — Install External Condensate Trap and
Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Step 11 — Make Electrical Connections
• UNITS WITH FACTORY-INSTALLED NON-FUSED
• UNITS WITHOUT FACTORY-INSTALLED
• FACTORY OPTION THRU-BASE CONNECTIONS
• UNITS WITHOUT THRU-BASE CONNECTIONS
• SPACE TEMPERATURE SENSOR (SPT)
• HUMIDI-MIZER® CONTROL CONNECTIONS
• TYPICAL UNIT WIRING DIAGRAMS
. . . . . . . . . . . . . . . . . . . . . . . 24
Controller Options . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Smoke Detectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Step 12 — Adjust Factory-Installed Options
. . . . . . . . . . . . . . . . . .25
. . . . . . . . . . . . . . . . . . .26
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . .CL-1
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
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.
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.
DANGER
ELECTRICAL SHOCK HAZARD
Failure to follow this warning will result in personal injury
or death.
Before performing service or maintenance operations on
unit, turn off main power switch to unit and install lock(s)
and lockout tag(s). Ensure electrical service to rooftop unit
agrees with voltage and amperage listed on the unit rating
plate. Unit may have more than one power switch.
WeatherExpert
®
50JC04-06
Ultra High Efficiency Single Package Rooftop
Cooling Only/Electric Heat Unit with Puron
®
(R-410A)
Содержание WeatherExpert Puron 50JC04
Страница 4: ...4 Fig 2 50JC 04 06 Unit Dimensional Drawing ...
Страница 5: ...5 Fig 2 50JC 04 06 Unit Dimensional Drawing cont ...
Страница 6: ...6 Fig 2 50JC 04 06 Unit Dimensional Drawing cont ...
Страница 22: ...22 Fig 44 Typical 50JC 04 06 Control Wiring Diagram ...
Страница 23: ...23 Fig 45 Typical 50JC 04 06 Power Wiring Diagram 208 230 460V Unit Shown ...