Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53549009-01
Printed in U.S.A.
Form II549J-4-6-02
Pg 1
12-19
Replaces: II549J-4-6-01
Installation Instructions
TABLE OF CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Rated Indoor Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Step 1 — Plan for Unit Location . . . . . . . . . . . . . . . . . . . . 9
Step 2 — Plan for Sequence of Unit Installation . . . . . . . 9
Step 3 — Inspect Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Step 4 — Provide Unit Support . . . . . . . . . . . . . . . . . . . . . 9
• SLAB MOUNT (HORIZONTAL UNITS ONLY)
• ALTERNATE UNIT SUPPORT (IN LIEU OF CURB OR
Step 5 — Field Fabricate Ductwork . . . . . . . . . . . . . . . . 11
• UNITS WITH ACCESSORY ELECTRIC HEATERS
Step 6 — Rig and Place Unit . . . . . . . . . . . . . . . . . . . . . . 11
Step 7 — Convert to Horizontal and Connect Ductwork
(when required) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Step 8 — Install Outside Air Hood . . . . . . . . . . . . . . . . . 13
• ECONOMIZER HOOD REMOVAL AND SETUP
• TWO-POSITION DAMPER HOOD REMOVAL AND
• ECONOMIZER AND TWO-POSITION HOOD
Step 9 — Units with Hinged Panels Only . . . . . . . . . . . . 14
Step 10 — Install External Condensate Trap and
Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Step 11 — Make Electrical Connections . . . . . . . . . . . . 15
• UNITS WITHOUT FACTORY-INSTALLED
• UNITS WITH FACTORY-INSTALLED DISCONNECT
• FACTORY OPTION THRU-BASE CONNECTIONS
• UNITS WITHOUT THRU-BASE CONNECTIONS
• CONTROL AND POWER WIRING DIAGRAMS
Economi$er® X (Factory Option) . . . . . . . . . . . . . . . . . . 30
• ECONOMIZER MODULE WIRING DETAILS
Smoke Detectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
• COMPLETING RETURN AIR SMOKE SENSOR
RTU Open Control System . . . . . . . . . . . . . . . . . . . . . . . . 43
Controller Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Step 12 — Adjust Factory-Installed Options . . . . . . . . . . 43
• ECONOMI$ER IV OCCUPANCY SWITCH
Step 13 — Install Accessories . . . . . . . . . . . . . . . . . . . . . . 43
Step 14 — Check Belt Tension . . . . . . . . . . . . . . . . . . . . . 44
• BELT FORCE — DEFLECTION METHOD
Pre-Start and Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Typical Unit Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . .CL-1
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can be
hazardous due to system pressure and electrical components.
Only trained and qualified service personnel should install, re-
pair, or service air-conditioning equipment.
Untrained personnel can perform basic maintenance functions
of cleaning coils and filters and replacing filters. All other op-
erations should be performed by trained service personnel.
When working on air-conditioning equipment, observe precau-
tions in the literature, tags and labels attached to the unit, and
other safety precautions that may apply.
Follow all safety codes, including ANSI (American National
Standards Institute) Z223.1. Wear safety glasses and work
gloves. Use quenching cloth for unbrazing operations. Have
fire extinguisher available for all brazing operations.
It is important to recognize safety information. This is the safe-
ty-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, CAU-
TION, 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 signi-
fies hazards which
could
result in personal injury or death.
CAUTION is used to identify unsafe practices, which
may
re-
sult in minor personal injury or product and property damage.
NOTE is used to highlight suggestions which
will
result in en-
hanced installation, reliability, or operation.
Preferred™ Series
549J 04-06
Single Package Rooftop Heat Pump
with Puron
®
(R-410A) Refrigerant
Содержание Preferred 549J 04
Страница 4: ...4 Fig 2 549J 04 06 Units Built On and After 4 15 2019...
Страница 5: ...5 Fig 3 549J 04 06 Units Built Prior to 4 15 2019...
Страница 6: ...6 Fig 4 549J 04 06 Corner Weights and Clearances...
Страница 7: ...7 Fig 5 549J 04 06 Base Rail Details...
Страница 8: ...8 Fig 6 549J 04 06 Thru the Base Charts...
Страница 23: ...23 Fig 41 Electro Mechanical Control Wiring 208 230v 460v...
Страница 24: ...24 Fig 42 Electro Mechanical Control Wiring 575v...
Страница 25: ...25 Fig 43 Electro Mechanical Power Wiring 208 230 1 60...
Страница 26: ...26 Fig 44 Electro Mechanical Power Wiring 208 230 3 60...
Страница 27: ...27 Fig 45 Electro Mechanical Power Wiring 460 3 60...
Страница 28: ...28 Fig 46 Electro Mechanical Power Wiring 575 3 60...
Страница 29: ...29 Fig 47 RTU Open System Control Wiring...
