Installation Guide for NHPA Split-System Heat Pumps
4
WARNING: WARRANTY WILL BE VOID ON NEW
UNITS INSTALLED BEHIND BRICK FACADES
OR CONNECTED TO DUCTWORK (See Note
1 below). IN YEARS PAST, IT WAS COMMON
PRACTICE TO ADD A BRICK PATTERN
FACADE (PIGEON HOLES) IN FRONT OF THE
THRU-THE-WALL UNIT TO CHANGE THE
EXTERIOR APPEARANCE OF THE BUILDING.
ALL OBSTACLES ADDED TO IMPEDE AIR
FLOW OF THE HEAT PUMP WILL DECREASE
PERFORMANCE AND CAUSE PREMATURE
EQUIPMENT FAILURE AND VOID ALL
WARRANTIES. CONSULT FACTORY WITH ANY
QUESTIONS.
Before You Start
nit
ALL phases of this installation must comply with NATIONAL,
STATE AND LOCAL CODES. The manufacturer assumes no
responsibility for equipment installed in violation of any code
requirements.
Be sure that the electrical data specified on the unit rating
plate corresponds to what is available at the installation site
and NEC for installation requirements.
This unit MUST be installed in an outside wall for thru-the-wall
installation ONLY. No pad mounts.
Be sure that the electrical service provided to the building can
handle the load imposed by the unit.
IMPORTANT
— This Document is customer property and is to
remain with this unit. Please refer to service information pack
upon completion of work to register the unit’s warranty. These
instructions do not cover all variations in systems or provide
for every possible contingency to be met in connection with the
installation. Should further information be desired or should
particular problems arise which are not covered sufficiently
for the purchaser’s purposes, the matter should be referred to
your installing dealer or local distributor before contacting the
manufacturer.
Note:
The manufacturer recommends installing only approved
matched split systems. Our split systems are A.H.R.I. rated only
with TXV indoor systems. Some of the benefits of installing
approved matched split systems are maximum efficiency,
optimum performance and the best overall system reliability.
Self-equalizing components are required to reduce compressor
starting problems. If self-equalizing components are not used,
field installed hard start kits will be required. Hard start kits
MUST be compatible with compressors.
Hard start kits
MUST
be compatible with Copeland compressors
- 88-106/330 µFd/Volts
Start relays to be sized to µFd of capacitor used
.
THE UNIT MUST NEVER BE PLACED ON ITS
SIDE OR UPSIDE DOWN AS THE COMPRESSOR
OIL WILL RUN IN THE COOLING CIRCUIT AND
SERIOUSLY DAMAGE THE UNIT. BASE PAN
MUST ALWAYS BE ON THE BOTTOM OF THE
INSTALL.
Check for Clearances
Minimum 12”
Horizontal Clearance
Between Units
Minimum 48”
Vertical Clearance
Between Units”
*Less than 12”
Call National Comfort Products
Note 1: No ducts are permitted to be connected to the intake or
discharge of the unit.
