© 2016, 2018-2019, 2021-2022
Daikin Comfort Technologies Manufacturing, L.P.
19001 Kermier Road, Waller, TX 77484
www.goodmanmfg.com -or- www.amana-hac.com
P/N: IO-911E Date: September 2022
CONDENSING UNIT
HEAT PUMP
INSTALLATION & SERVICE REFERENCE
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 comply with all safety in-
formation and instructions accompanying these symbols. Failure to
heed safety information increases the risk of personal injury, property
damage, and/or product damage.
Imortant Safety Instructions
......................................1
Shipping Inspections
......................................................1
Codes & Regulations
......................................................1
Installation Clearances
...............................................2
Rooftop Installations
...................................................2
Safe Refrigerant Handling
..........................................2
Refrigerant Lines
..........................................................3
Existing Line Sets
...........................................................3
Refrigerant Line Connections
....................................4
Leak Testing (Nitrogen or Nirtogen-Traced)
..........4
System Evacuation
.........................................................4
Electrical Connections
................................................5
Overcurrent Protection
..............................................5
High Voltage Connections
...........................................5
Low Voltage Connections
............................................5
System Start Up
..............................................................5
Charge Verification
.......................................................6
Final Charge Adjustment
.............................................6
Fixed Orifice
....................................................................6
Expansion Valve System
................................................8
Heat Pump - Heating Cycle
............................................8
Troubleshooting Information
.....................................9
Long Line Set Application R-410A
.............................10
Start Up Checklist
.......................................................19
SHIPPING INSPECTION
Always keep the unit upright; laying the unit on its side or top may
cause equipment damage. Shipping damage, and subsequent
investigation is the responsibility of the carrier. Verify the model
number, specifications, electrical characteristics, and accessories are
correct prior to installation. The distributor or manufacturer will not
accept claims from dealers for transportation damage or installation
of incorrectly shipped units.
CODES & REGULATIONS
This product is designed and manufactured to comply with national
codes. Installation in accordance with such codes and/or prevailing
local codes/regulations is the responsibility of the installer. The
manufacturer assumes no responsibility for equipment installed
in violation of any codes or regulations. Rated performance is
achieved after 20 hours of operation. Rated performance is deliv-
ered at the specified airflow. See outdoor unit specification sheet
for split system models or product specification sheet for pack
-
aged and light commercial models. Specification sheets can be
found at www.goodmanmfg.com for Goodman® brand products or
ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL,
ADJUST, SERVICE, MAINTENANCE OR REPAIR (HEREIN
-
AFTER, “SERVICE”) THE EQUIPMENT SPECIFIED IN THIS
MANUAL SHOULD SERVICE THE EQUIPMENT. THE MANU
-
FACTURER WILL NOT BE RESPONSIBLE FOR ANY INJURY
OR PROPERTY DAMAGE ARISING FROM IMPROPER SER
-
VICE OR SERVICE PROCEDURES. IF YOU SERVICE THIS
UNIT, YOU ASSUME RESPONSIBILITY FOR ANY INJURY OR
PROPERTY DAMAGE WHICH MAY RESULT. IN ADDITION, IN
JURISDICTIONS THAT REQUIRE ONE OR MORE LICENSES
TO SERVICE THE EQUIPMENT SPECIFIED IN THIS MANU
-
AL, ONLY LICENSED PERSONNEL SHOULD SERVICE THE
EQUIPMENT.
IMPROPER INSTALLATION, ADJUSTMENT, SERVICING,
MAINTENANCE OR REPAIR OF THE EQUIPMENT SPECIFIED
IN THIS MANUAL, OR ATTEMPTING TO INSTALL, ADJUST,
SERVICE OR REPAIR THE EQUIPMENT SPECIFIED IN THIS
MANUAL WITHOUT PROPER TRAINING MAY RESULT IN
PRODUCT DAMAGE, PROPERTY DAMAGE, PERSONAL INJU
-
RY OR DEATH.
WARNING
WARNING
DO NOT BYPASS SAFETY DEVICES
Scroll equipped units should never be used to evacuate the air
conditioning system. Vacuums this low can cause internal
electrical arcing resulting in a damaged or failed compressor.
