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QUICK START GUIDE
Split System Heat Pump
Thank you for choosing our product.
Please read this Quick Start Guide carefully before
operation and retain it for future reference.
To download an electric version of this manual visit
www.greecomfort.com/flexx-eco-quick-start-guide
CAT NO: GREE_FLEXX_ECO_QUICK_START_01242025
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Summary of Contents for Gree FLEXX ECO FLEXE24HP230V1AO
- Page 1 QUICK START GUIDE Split System Heat Pump Thank you for choosing our product. Please read this Quick Start Guide carefully before operation and retain it for future reference. To download an electric version of this manual visit www.greecomfort.com/flexx-eco-quick-start-guide CAT NO: GREE_FLEXX_ECO_QUICK_START_01242025...
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Page 2: Please Read First
PLEASE READ FIRST Although very similar to traditional unitary heat pump systems, the FLEXE Heat Pump Systems have a few key installation differences. 1. The “W1/W2 terminal on the Air handler” activates the electric heat kit (if equipped). • The W1/W2/D terminal must be connected at the indoor and outdoor unit, and at the thermostat. •... - Page 3 OUTDOOR UNIT DIP SWITCH SETTINGS NOTE • FLEXX outdoor units are configurable by a set of dip switches located in the upper right hand corner of the Main Control Board. • By default, the capacity is set at the larger capacity. Defrost, Power Mode, and Energy Savings are all set for the Standard, by default.
- Page 4 OUTDOOR UNIT DIP SWITCH SETTING DESCRIPTION (Continued) DEFROST • Standard Defrost Mode is the default setting from the factory. • Strong Defrost Mode is used in cold but high humidity environments such as areas near large bodies of water. Select Strong Defrost Mode if it is common practice to extend defrost timing or increase the frequency of defrost cycles in the area where the system is installed.
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Page 5: Refrigerant Charging
REFRIGERANT CHARGING • This system contains PVE oil, not POE. Cross-contamination is prohibited. • It is highly recommended to install new refrigerant lines. If a line set must be reused, it must be professionally cleaned before installation. • Liquid line filter driers can be installed but are not required. Follow industry best practices for refrigerant piping. FLEXE24HP230V1AO &... -
Page 6: Cold Weather Startup
COLD WEATHER STARTUP The FLEXX outdoor unit is factory equipped with a crankcase heater. • In outdoor temperatures below 32°F (0°C), ensure that power is applied to the outdoor unit for a minimum of 8 hours prior to startup. • Upon power application, check the operation of the crankcase heater by removing the front access panel, opening the compressor blanket, and checking to see if the crankcase heater is hot. - Page 7 AIR HANDLER DIP SWITCH SETTINGS NOTE • The FLEXX Air Handlers are configurable by a set of dip switches located on the main control board. For proper operation, ensure that the air handler blower settings match the outdoor unit capacity and ducting design.
- Page 8 AIR HANDLER DIP SWITCH SETTINGS (Continued) Model FLEXE36HP230V1AH Model FLEXE42HP230V1AH HEAT (SA2) COOL (SA1) HEAT (SA2) COOL (SA1) Speed 1 Speed 1 Speed 2 Speed 2 Speed 3 Speed 3 Speed 4 Speed 4 Speed 5 Speed 5 Speed 6 Speed 6 Speed 7 Speed 7...
- Page 9 AIR HANDLER DIP SWITCH SETTINGS (Continued) Model FLEXE48HP230V1AH Model FLEXE60HP230V1AH HEAT (SA2) COOL (SA1) HEAT (SA2) COOL (SA1) Speed 1 Speed 1 Speed 2 Speed 2 Speed 3 Speed 3 Speed 4 Speed 4 Speed 5 Speed 5 Speed 6 Speed 6 Speed 7 Speed 7...
- Page 10 CHECKING STATIC PRESSURE To properly utilize the below fan charts it is required to determine Total Static. • Supply static must be measured in the supply trunk after the air handler and before branch ducts or registers in the airflow stream as shown in the figure above •...
- Page 11 AIR HANDLER AIRFLOW RATINGS The following CFM ratings are with a dry coil and included filter. For wet coil ratings, use 0.92 as the correction factor for the CFM. Model FLEXE24HP230V1AH Static Pressure (In W.c.) and CFM Level 0.15 Speed 1 1030 Speed 2 1080...
- Page 12 AIR HANDLER AIRFLOW RATINGS (Continued) Model FLEXE42HP230V1AH Static Pressure (In W.c.) and CFM Level 0.15 Speed 1 1640 1500 Speed 2 1680 1560 1500 Speed 3 1810 1690 1620 1550 Speed 4 1930 1830 1770 1710 1580 1480 Speed 5 2200 2110 2040...
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Page 13: Control Wiring Schematic
24V CONTROL WIRING SCHEMATIC Thermostat wiring without heat kit-B Revision Blower shutdown during defrost • The heat kit is activated during defrost by the outdoor unit’s “D” terminal. (Some models may have “W1/W2” instead of “D.” NOTE Blower shuts down during defrost to prevent cold air in the space. Indoor - Terminal block could be marked as W1 or W2. - Page 14 24V CONTROL WIRING SCHEMATIC (Continued) Thermostat wiring without heat kit-B Revision Activate heat kit during defrost NOTE Heat kit and blower runs during defrost. Indoor - Terminal block could be marked as W1 or W2. Outdoor - Terminal block could be marked as W1/D or W2/D. G R EE F L E XX ECO QU I C K STA RT G UI D E | 1 4...
- Page 15 U.S. CONTACT INFORMATION TRADEWINDS, LLC E-mail: info@twciimate.com Contractor Support: 888-850-7928 I Mon-Fri 8 AM - 5 PM EST G R E E C O M F O R T . C O M...
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