Carrier PY4G B Series, Installation Instructions Manual

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PY4G----B
PY4G----E
Installation Instructions
14 SEER SINGLE---PACKAGED AIR CONDITIONER AND
GAS FURNACE SYSTEM WITH R---410A REFRIGERANT
SINGLE PHASE 2---5 NOMINAL TONS (SIZES 24---60)
THREE PHASE 3---5 NOMINAL TONS (SIZES 36---60)
IMPORTANT : Effective January 1, 2015, all split system and
packaged air conditioners must be installed pursuant to applicable
regional efficiency standards issued by the Department of Energy.
NOTE : Read the entire instruction manual before starting the
installation.
NOTE : Installer: Make sure the Owner’s Manual and Service
Instructions are left with the unit after installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS 1 . . . . . . . . . . . . . . . . . . . . . . . . .
INTRODUCTION 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RECEIVING AND INSTALLATION 2--12 . . . . . . . . . . . . . . . . .
Check Equipment 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identify Unit 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspect Shipment 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Unit Support 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Roof Curb 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Slab Mount 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Field Fabricate Ductwork 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Clearances 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rig and Place Unit 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rigging/Lifting of Unit 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connect Condensate Drain 8 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Flue Hood 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Gas Piping 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Duct Connections 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Units for Downflow (Vertical)
Discharge
10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Electrical Connections 11 . . . . . . . . . . . . . . . . . . . . . . . .
High--Voltage Connections 11 . . . . . . . . . . . . . . . . . . . . . . . .
Special Procedures for 208--V Operation 11 . . . . . . . . . . . . . .
Control Voltage Connections 11 . . . . . . . . . . . . . . . . . . . . . . .
Standard Connection 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heat Anticipator Setting 12 . . . . . . . . . . . . . . . . . . . . . . . . . .
Transformer Protection 12 . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRE--START--UP 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP 13--24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check for Refrigerant Leaks 13 . . . . . . . . . . . . . . . . . . . . . . . . .
Start--Up Heating & Make Adjustments 13 . . . . . . . . . . . . . . . .
Check Heating Control 13 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Gas Input 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjust Gas Input 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Burner Flame 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Normal Operation 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Airflow and Temperature Rise 22 . . . . . . . . . . . . . . . . . . . . . .
Heating Sequence of Operation 22 . . . . . . . . . . . . . . . . . . . . .
Limit Switches 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rollout Switch 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start--Up Cooling & Make Adjustments 22 . . . . . . . . . . . . . . . .
Checking Cooling Control Operation 22 . . . . . . . . . . . . . . . .
Checking & Adjusting Refrigerant Charge 23 . . . . . . . . . . . .
Indoor Airflow and Airflow Adjustments 23 . . . . . . . . . . . . .
Cooling Sequence of Operation 24 . . . . . . . . . . . . . . . . . . . . .
A09183
Fig. 1 -- Unit PY4G
(Low NOx Model Available)
MAINTENANCE 50--53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Filter 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor Blower and Motor 50 . . . . . . . . . . . . . . . . . . . . . . . . .
Induced Draft (Combustion Air) Blower 51 . . . . . . . . . . . . . .
Flue Gas Passageways 51 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Limit Switch 51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Burner Ignition 51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Burners 51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal of Gas Train 51 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outdoor Coil, Indoor Coil, & Condensate Drain Pan 51 . . . .
Outdoor Fan 52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Controls and Wiring 52 . . . . . . . . . . . . . . . . . . . . .
Refrigerant Circuit 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Input 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Evaporator Airflow 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
R--410A Items 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING 54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP CHECKLIST 54 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, 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, protective clothing,
and work gloves. Have a fire extinguisher available. Read these
instructions thoroughly and follow all warnings or cautions
included in literature and attached to the unit. consult local