2
Important Safety Instructions
The following symbols and labels are used throughout this
manual to indicate immediate or potential safety hazards. It
is the owner’s and installer’s responsibility to read and com-
ply with all safety information and instructions accompanying
these symbols. Failure to heed safety information increases
the risk of personal injury, property damage, and/or product
damage.

HIGH VOLTAGE!

Failure to do so may cause property damage,
personal injury or death.
Disconnect ALL power before servicing.
Multiple power sources may be present.
Installation and repair of t his u ni t sho ul d b e p erf orm ed
by individuals meeting the requi re men ts of an
“entry level technician” as specified by
the Air-Conditioning, Hea ti ng a nd R efri g era ti on I nsti tu te
(AHRI). Attempting to in stall or repair this unit with out
such background may result in p rod uct da mag e,
personal injury or death.
ONLY , at a minimum,
This product is factory-shipped for use with
208/240/1/60 electrical power supply.
reconfigure this air handler to operate with any other
power supply.
DO NOT

CONTENTS

To avoid property damage, personal injury or death
due to electrical shock, this unit MUST have an
electrical ground. The
electrical ground circuit may consist of an
appropriately sized electrical wire connecting the
ground lug in the unit control box to the building
electrical service pan el.
Other methods of grounding are permi t ted i f pe rfo rmed
in accordance with the Nation al Electric Code
(NEC)/American National Stan dar ds Inst itut e
(ANSI)/National Fire Protection Assoc iati on (NFPA) 70
and local/state codes. In Ca nad a, e le ct ri cal gro undi ng
is to be in accordance wit h t he C ana dian Electric Code
(CSA) C22.1.
uninterrupted, unbroken
When installing or serv icing this equipment, sa fety
clothing, including hand and eye protection, is
strongly recommended. If installing in an area that has
special safety requirements (hard hats, etc.), Observe
these requirements.
Do not connect to or use any device that is not design-
certified by Goodman for use with this unit. Serious
property damage, personal injury, reduced unit
performance and/or hazardous conditions may result
from the use of such non-approved devices.
Important Safety Instructions............................................. 2
Important Note to Owner Regarding Product Warranty..... 3
Shipping Inspection........................................................... 3
Codes & Regulations ........................................................ 3
Replacement Parts............................................................ 3
Pre-Installation Instructions............................................... 3
Location............................................................................. 4
Ductwork ........................................................................... 4
Return Ductwork ............................................................... 4
Return Air Filters ............................................................... 4
Electric Heat...................................................................... 4
HKR Installation................................................................. 4
Electrical Supply Wire and MOP ....................................... 4
Building Electrical Service Inspection ............................... 5
Wire Sizing........................................................................ 5
Maximum Overcurrent Protection (MOP).......................... 6
Electrical Connections – Supply Voltage........................... 6
Air Handler Only (Non-Heat Kit Models)....................... 6
Air Handler With Non-Circuit Breaker Heat Kits ........... 6
Air Handler With Heat Kits
Containing a Circuit Breaker......................................... 6
Low Voltage Connections............................................. 6
Refrigerant Lines............................................................... 6
Tubing Preparation............................................................ 6
Post Brazing...................................................................... 6
Piping Size ........................................................................ 6
Special Instructions........................................................... 6
Downflow Conversion ....................................................... 7
Horizontal Conversion ....................................................... 8
Condensate Removal........................................................ 8
ACHIEVING 2% LOW LEAKAGE RATE........................... 9
ATUF/ARUF/ARPF/ADPF MOTOR................................... 9
CFM Delivery .................................................................. 10
ASPF Motor..................................................................... 10
CFM Delivery .................................................................. 10
Thermostats .................................................................... 10
Start-Up Procedure ..........................................................11
Regular Maintenance ....................................................... 11
THERMOSTAT WIRING.................................................. 12
ASPF THERMOSTAT CONNECTIONS........................... 14
COOLING UNIT WITH OPTIONAL HEAT KITS
OF 10kW AND BELOW.............................................. 14
COOLING UNIT WITH OPTIONAL HEAT KITS
OF 15 kW AND ABOVE AND
ROOM THERMOSTAT
WITH TWO STAGES OF HEAT.................................. 15
HEAT PUMP UNIT WITH OPTIONAL
HEAT KITS OF 10kW AND BELOW........................... 15
HEAT PUMP UNIT WITH OPTIONAL
HEAT KITS OF 15 kW AND ABOVE........................... 16
ELECTRONIC BLOWER TIME DELAY RELAY.............. 17