5
SPECIFICATIONS
Single Package Heat Pumps are designed for
outdoor rooftop or ground level slab installations.
The units are shipped ready for horizontal duct
connections and are easily converted for down
fl ow applications.
All Q4RD models are shipped from the factory
with the following:
1. Zero clearance to combustibles
2. Multi-speed direct-drive blower.
3. Compressor Anti-short-cycle timer for single
phase models.
4. Blower Speed Relay.
5. Horizontal or Down fl ow duct connections.
6. Square-to-round adapter boxes with 14”
collars for supply and return openings.
The unit dimensions are shown in
Figure 3
.
WARNING:
The square-to-round adapter boxes
and 14” collars are shipped inside the
return inlet. These must be removed
before the unit is run.
Optional fi eld-installed electric heater kits are
available in 5 kw through 20 kw heating capacities.
A separate installation instruction document
for the electric heaters and their application
accompanies this one. A two stage heat 24VAC
thermostat should be used with electric heater
kits installed.
SAFETY CONSIDERATIONS
It is the responsibility of the installer to ensure
that the installation is made in accordance with
all applicable local and national codes.
WARNING:
I m p ro p e r i n s t a l l a t i o n , s e r v i c e ,
adjustment, or maintenance may cause
explosion, fi re, electrical shock or other
hazardous conditions which may result
in personal injury or property damage.
Unless otherwise noted in these
instructions, only factory authorized
kits or accessories may be used with
this product. Noncompliance may void
the unit’s warranty.
Labels, Tags —
When working with this
equipment, follow all precautions in the literature,
on tags, and on labels provided with the unit
and/or approved fi eld installed kits. The type
of hazard and severity are described on each
label or tag.
Pressures Within The System —
This
equipment contains liquid and gaseous
refrigerant under high pressure. Installation or
servicing should only be performed by qualifi ed
trained personnel thoroughly familiar with this
type equipment.
INSTALLATION REQUIREMENTS
Equipment Check —
Before beginning the
installation, verify that the unit model is correct for
the job. The unit model number is printed on the
data label. All units have been securely packaged
at the point of shipment. After unpacking the unit,
carefully inspect it for apparent and concealed
damage. Claims for damage should be fi led with
the carrier by the consignee.
Requirements and Codes —
The installer
must comply with all local codes and regulations
which govern this type equipment. Local codes
and regulations take precedence over any
recommendations contained in these instructions.
All electrical wiring must be made in accordance
with local codes and regulations and with the
National Electric Code (ANSI/NFPA 70) or in
Canada the Canadian Electric Code Part 1 CSA
C.22.1. Air Ducts must be installed in accordance
with the standards of the National Fire Protection
Association “Standards for Installation of Air
Conditioning and Ventilation Systems” (NFPA
90A), “Standard for Installation of Residence
Type Warm Air Heating and Air Conditioning
Systems” (NFPA 90B), these instructions and
all applicable local codes.
NFPA publications are available by writing:
National Fire Protection Association
Batterymarch
Park
Quincy, Maine 02269
IMPORTANT: Do Not Place Unit Under The
Home.
Unit Location —
This heat pump is designed only
for outdoor installations. Choosing the location of
the unit should be based on minimizing the length
