Lennox HP40, Installation Instructions Manual

Page: 1 / 16

06/04
*2P0604*
504,538M
*P504538M*
Page 1
2000 Lennox Industries Inc.
Dallas, Texas, USA
®
HP40 Heat Pump Unit
HP40 heat pumps use R407C which is an ozone friendly
HFC refrigerant. This unit must be installed with a match-
ing indoor coil and line set as outlined in the Lennox Engi-
neering Handbook. HP40 heat pumps are designed for
use in expansion valve systems only. They are not de-
signed to be used in RFC systems. An expansion valve
and filter drier approved for use with R407C have been
shipped with the unit. These components must be
installed prior to unit operation.
IMPORTANT
This unit must be matched with an indoor coil as
specified in Lennox’ Engineering Handbook.
Coils previously charged with R22 must be
flushed.
WARNING
This equipment must only be installed and serviced
by properly qualified personnel. Equipment con-
tains dangerous voltages and moving parts. Al-
ways switch off power supply before opening any
access panel. Electrical control panel doors and fan
access door must be locked to prevent unautho-
rized access at beginning of instruction.
WARNING
Refrigerant can be harmful if it is inhaled. Refriger-
ant must be used and recovered responsibly.
Failure to follow this warning may result in personal
injury or death.
INSTALLATION
INSTRUCTIONS
HP40 Heat Pump Units
HEAT PUMP UNITS
1−1/2 through 5 ton
504,538M
06/04
Supersedes 11/02
Table of Contents
HP40 Heat Pump Unit 1 . . . . . . . . . . . . . . . . . . . . . . . . . .
Shipping & Packing List 1 . . . . . . . . . . . . . . . . . . . . . . . . .
General Information 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Dimensions 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting the Unit 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Plumbing 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Refrigerant Metering Device 5 . . . . . . . . . . . . . . . . . . . . .
Manifold Gauge Set 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Liquid & Vapor Line Service Valves 7 . . . . . . . . . . . . . . .
Leak Testing 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Evacuation 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start−Up 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging Considerations 10 . . . . . . . . . . . . . . . . . . . . . . .
System Operation 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defrost System 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
Shipping & Packing List
1 − Assembled HP40 heat pump unit
1 − Bag assembly:
1 − Sight glass
1 − Coupling reducer, 5/16 x 3/8 inch (024)
Check unit for shipping damage. If any damage is found,
contact the last carrier immediately.
General Information
These instructions are intended as a general guide and
do not supersede national or local codes in any way. Con-
sult authorities having jurisdiction before installation.
The HP40 unit is CE marked" in accordance with the re-
quirements of the latest European Directives for Electrical
and Machinery Safety and Electromagnetic Compatibility.
In addition, HP40 units have type Approval Certification
with the Gas Appliance Directive.
IMPORTANT
International Legislation bans the intentional vent-
ing of refrigerant (CFCs and HCFCs). Approved
methods of recovery, recycling or reclaiming must
be followed. Fines and/or incarceration may be lev-
ied for noncompliance.
Litho U.S.A.