Carrier 50QT - Manual

Carrier Corporation • Syracuse N Y 13221
Single-Package Heat Pumps
Chassis Only (Install ONLY after
50OT wall sleeve is in place)
CONTENTS
Page
SAFETY CONSIDERATIONS.................................. 1
INTRODUCTION ....................................................... 1
INSTALLATION.......................................................1-4
Step 1 — Check Equipment and Jobsite .. I
• UNPACK UNIT
• INSPECT EQUIPMENT
• INSPECT WALL SLEEVE
Step 2 — Install Chassis in Wall Sleeve.... 3
• SLIDE CHASSIS INTO SLEEVE
Step 3 — Install Thermostat and
Connect Thermostat Wiring....................................3
• TO MOUNT THERMOSTAT IN UNIT
• TO MOUNT THERMOSTAT
REMOTELY
COLD CLIMATE ACCESSORY ................................ 4
START-UP ................................................................. 4
SERVICE ................................................................. 4-14
SAFETY CONSIDERATIONS
Installation and servicing of air conditioning
equipment can be hazardous due to system pressure
and electrical components. Only trained and quali­
fied
service personnel should install, repair or
service air conditioning equipment.
Untrained personnel can perform basic mainte­
nance functions of cleaning indoor coil or replacing
filter. All other operations should be performed
by trained service personnel. When working on air
conditioning equipment, observe precautions in the
literature, tags and labels attached to the unit and
other safety precautions that may apply.
Follow all safety codes. Wear safety glasses
and work gloves. Use quenching cloth for brazing
operations.
Have fire extinguisher available for
all brazing operations.
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INTRODUCTION
Install Model 50QT112, 115 and 118 heat pump
chassis in 50QT wall sleeve. Part No. 50QT900060;
and Model 50QT124 and 130 chassis in 50QT wall
sleeve.
Part No. 50QT900080. Wall sleeves are
shipped separately with aecompanying installation
instructions.
All electrical power, ductwork and
condensate drain hookups are made at time of wall
sleeve installation.
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INSTALLATION
Step 1 — Check Equipment and Jobsite
UNPACK UNIT — Move to final loeation. Lift
eardboard carton off chassis taking special care not
to damage unit.
>P Carrier Corporation 1984 Form 50QT-10SI