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Installation, Start-Up and Service Instructions
NOTE: Read the entire instruction manual before starting the
installation.
INTRODUCTION ..........................................................................2
Check Equipment......................................................................2
IDENTIFY UNIT ................................................................2
SLAB MOUNT ...................................................................2
GROUND MOUNT ............................................................2
Place Unit..................................................................................2
CHARGE ..................................................................4
PRE-START-UP ............................................................................6
START-UP .....................................................................................7
NO CHARGE ......................................................................8
FOR 208/230-V .................................................................13
Unit Controls...........................................................................13
FAN OPERATION............................................................13
COOLING..........................................................................14
HEATING..........................................................................14
CONTINUOUS FAN ........................................................14
DEFROST..........................................................................14
MAINTENANCE.........................................................................15
Air Filter..................................................................................15
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
PC 101
Tab 6 8
Printed in U.S.A.
Catalog No. 50ZHA-1SI
Packaged Heat Pump Units
Fig. 1-Unit 50ZHA
Outdoor Fan ............................................................................16
Indoor Airflow ........................................................................17
Metering Devices ....................................................................17
Lubrication ..............................................................................17
High Flow Valves...................................................................17
TROUBLESHOOTING ...............................................................17
NOTE TO INSTALLER-Before installation, READ THESE
INSTRUCTIONS CAREFULLY AND COMPLETELY. Also,
make sure the User's Manual and Replacement Guide are left with
the unit after installation.
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can be
hazardous due to system pressure and electrical components. Only
trained and qualified workers should install, repair, or service
air-conditioning equipment.
Untrained workers can perform basic maintenance functions of
cleaning coils and filters. All other operations should be performed
by trained service people. When working on air-conditioning
equipment, pay attention to precautions in the literature, tags, and
labels attached to the unit, and other safety precautions that may
apply.
Pg 1
50ZHA024-060
A05194
9-05
Replaces: New