Unitary products group BAUZ Series Installation Manual

INSTALLATION MANUAL
GENERAL
Model BUZ units are factory assembled heat pumps designed for
outdoor installation on a roof top or a slab. Field-installed electric
heater accessories are available to provide supplemental electric
heat combined with electric cooling and heating.
The units are completely assembled on rigid, removable base
rails. All piping, refrigerant charge, and electrical wiring is fac-
tory installed and tested. The units require only electric power
and duct connections at the point of installation.
The electric heaters have nickel-chrome resistance wire ele-
ments and utilize single point power connection.
INSPECTION
As soon as a unit is received, it should be inspected for possible
damage during transit. If damage is evident, the extent of the
damage should be noted on the carrier's freight bill.
Installer should pay particular attention to the words: NOTE, CAUTION and WARNING. Notes are intended to clarify or make the
installation easier. Cautions are given to prevent equipment damage. Warnings are given to alert installer that personal injury
and/or equipment damage may result if installation procedure is not handled properly.
THIS PRODUCT MUST BE INSTALLED IN STRICT COMPLIANCE WITH THE ENCLOSED INSTALLATION INSTRUCTIONS
AND ANY APPLICABLE LOCAL, STATE, AND NATIONAL CODES INCLUDING, BUT NOT LIMITED TO, BUILDING, ELEC-
TRICAL, AND MECHANICAL CODES
INCORRECT INSTALLATION MAY CREATE A CONDITION WHERE THE OPERATION OF THE PRODUCT COULD CAUSE
PERSONAL INJURY, PROPERTY DAMAGE AND/OR DEATH.
DE-ENERGIZE THE ELECTRICAL POWER TO THE UNIT BEFORE ATTEMPTING TO INSPECT, REPAIR OR PERFORM
MAINTENANCE TO THE UNIT.
THIS SYSTEM USES R-410A REFRIGERANT WHICH OPERATES AT HIGHER PRESSURES THAN R-22. NO OTHER RE-
FRIGERANT MAY BE USED IN THIS SYSTEM.
SINGLE PACKAGE HEAT PUMPS
Supersedes: Nothing
MODELS BAUZ024 THRU 060
2 THRU 5 TON
WITH R-410A REFRIGERANT
(13 SEER)
A separate request for inspection by the carrier's agent should
be made in writing. Refer to Form 50.15-NM for additional infor-
mation.
REFERENCE
Additional information on the design, installation, operation
and service of this equipment is available in the following refer-
ence forms:
• 55.70-N1
• 55.70-N2
• 035-16605-003 — Electric Heater Accessory
REPLACEMENT PARTS
• Refer to User's Maintenance and Service Information
Manual for complete listing of replacement parts on this
equipment.
CAUTION
WARNING
WARNING
CAUTION
035-20188-000-A-0704
— General Installation
— Pre-start & Post-start Check List