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Summary of Contents for Enertech EAD Series
- Page 1 Installation, Operations, & Maintenance Manual REVISION HISTORY DESCRIPTION DATE APPROVED SETUP & RELEASE 2/6/2020 EAD MULTI-POSITION AIR HANDLERS 20D454-03NN 20D454-03NN...
- Page 2 This Page Intentionally Left Blank EAD Series Air Handlers Enertech Global Installation and Operations Manual...
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Page 3: Table Of Contents
A2L Sensor Location ............................... 19 Assembly ..................................20 Horizontal Applications ..............................21 Section 6: Maintenance & Repair Section 7: Decommissioning A2L Recovery ................................. 28 Section 8: Revision Table Revision Table ................................29 EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 4: Section 1: Model Nomenclature Nomenclature Decoder
018, 024, 036, 048, 060, 072 1 = ECM Motor Revision: Voltage: J = Current Revision 1 = 208/230V, 60Hz, 1Ph (Residenti al) 0 = 208/230V, 60Hz, 1 Ph (Commercial) EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 5: Section 2: Introduction & Operational Considerations Introduction
D’ODEUR. ⚠ WARNING ⚠ Un-packaging Enertech units are mounted to wooden pallets for easy handling during shipment and installation. Units are protected FAILURE TO FOLLOW THIS CAUTION MAY RESULT IN during shipment with durable cardboard corner posts and top. -
Page 6: Unit Protection
ONLY AUXILIARY DEVICES APPROVED BY ENERTECH GLOBAL and assure maximum coil performance. If not sprayed, SHALL BE INSTALLED IN CONNECTING DUCTWORK. REFER approximately 50 hours of break in time is required to TO “SECTION 4”... -
Page 7: Condensation Drain Connection
Note: If installing a 24V electronic air cleaner supplied by MAY BE INSTALLED IN THE SAME SPACE IF THE DEVICE IS Enertech as an accessory, the air cleaner must connect to the PROVIDED WITH AN EFFECTIVE FLAME ARREST. ⚠ AVERTISSEMENT ⚠... -
Page 8: Duct Work
2% air leakage. Enertech Global has set forth this policy to ensure installations All supply/return plenums should be isolated from the unit of Enertech Global geothermal systems are done safely and by a flexible connector (canvas) or equivalent to prevent properly. - Page 9 Enertechnician Systems cannot be installed in a residence with less than the Enertech offers a free mobile service app that provides an easy Minimum Total Conditioned Space listed in the chart below. to use calculator for A2L installations. The calculator helps to...
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Page 10: Section 3: Unit Data Dimensional Data - Models 018-024
3/8” - 5/8” 155 Lbs AFR1620A 3/8” - 5/8” Sized for 1/2” or 1” Conduit 190 Lbs AFR2020A 3/8” - 3/4” 060-072 3/8” - 7/8” 210 Lbs AFR2320A Dimensional Data EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 11: Dimensional Data - Models 036-048
Line Set Conn. 30.375 16.389 2.891 1.438 E E A A D D 0 0 3 3 6 6 - - 0 0 4 4 8 8 PRIMARY DRAIN EAD Series Air Handlers Enertech Global Installation and Operations Manual Dimensional Data... -
Page 12: Dimensional Data - Models 060-072
1.873 2.891 TRANSITION E E A A D D 0 0 6 6 0 0 - - 0 0 7 7 2 2 PRIMARY DRAIN (21.50 x 21.50) Dimensional Data EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 13: Ead Electrical Data
15kW, 208/230V, 60HZ, 1 Phase, with Circuit Breaker and Single Point Connection AHA151LB 060-072 Note: Comes with single point connection jumper bar assembly factory installed. *Note: Ensure proper sizing to help combat any potential under-sizing issues. EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 14: Ecm Fan Performance Data
1800 On On On Off On On Off Off Notes: 1. Program B (Bold Type) is factory settings and rated CFM. CFM is controlled within 5% up to the Max ESP. 2. Max ESP testing was done with dry coil. 3. Max ESP for AD018 through AD072 models with external electric heat is 0.8 in. w.c. Exceeding the Max ESP may result in nuisance trips of the electric heat. Thermal limits are rated at 100,000 cycles. EAD Series Dehumidification Mode Options DIP Switch Mode Operation Normal Dehumidification mode disabled (Normal Htg/Clg CFM)‐‐ Factory setting. On Demand Dehumidification mode (humidistat input at terminal ODD)‐‐ Humidistat required. Constant Dehumidification mode (always uses dehum CFM for cooling and normal CFM Constant Dehum for heating)‐‐No humidistat required. Not Used Not an applicable selection. Notes: 1. To enter dehumidification mode, ODD input should be 0 VAC; for normal cooling CFM, ODD input should be 24 VAC. 2. Heating CFM is not affected by dehumidification mode. When in dehumidification mode, cooling CFM is 85% of normal CFM. EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 15: Section 4: Controls Thermostat Board Layout
Thermostat Board DIP Switch Selection Heating 3rd Stage (Y1, Y2, W1, G) The Enertech thermostat board is designed to eliminate The ECM fan remains at 100% of 2nd stage airflow (CFM) jumpers and spade connectors and is equipped with two DIP level (based on DIP switch settings), and the first stage of switches for flexibility of applications. -
Page 16: Refrigerant Detection - System Response
10 should be set back to settings based on the CFM table. Note: Mitigation behavior continues for 5 full minutes after turning DIP switches off as required by the safety standard. EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 17: Electrical Connections
EAD036-048 EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 18: Wiring Diagram
ECM board. The ECM board and thermostat board will pop/ slide out together from the “snap locks.” EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 19: Section 5: General Unit Assembly Disassembly
U U P P F F L L O O W W / / L L H H R R rds location for lhr (field configured) *note orientation rds location for upflow (factory installed) 20D833-04NN EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 20: Assembly
(factory installed) D D O O W W N N F F L L O O W W / / R R H H R R 20D833-04NN EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 21: Horizontal Applications
Support all four corners of the secondary drain pan (some drain pans may require a middle support). Place unit in a secondary drain pan and hang drain pan with threaded Figure 4 rods. EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 22: Maintenance And Repair
Leak detection fluid examples: • bubble method • fluorescent method agents. EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 23: Refrigeration Components
AVANT DE PERCER OU DE VISSER À TRAVERS L’ARMOIRE, S’ASSURER QUE LA VIS N’ENTRERA EN CONTACT AVEC 1. evacuate AUCUNE PIÈCE INTERNE NI AUCUNE CONDUITE DE FLUIDE 2. purge the circuit with inert gas (optional for A2L) FRIGORIGÈNE. EAD Series Air Handlers Enertech Global Installation and Operations Manual... - Page 24 Controls Section. Defective Capacitor Check capacitor. If defective, replace. Failed Compressor See charts M and N for compressor diagnostic. If compressor still doesn’t run, replace it. EAD Series Air Handlers Enertech Global Installation and Operations Manual...
- Page 25 For pressurized systems, check loop pressure. Repressurize if necessary. May require re-flushing if there is air in the loop. Solenoid valve Make sure solenoid valve is connected. Check solenoid. If defective, replace. EAD Series Air Handlers Enertech Global Installation and Operations Manual...
- Page 26 CFM. Water sucking out of the Install an EZ-Trap or P-Trap on the drain outlet so blower cannot suck air back through the drain outlet. drain pan EAD Series Air Handlers Enertech Global Installation and Operations Manual...
- Page 27 Section 6: Maintenance & Repair Download this app to make installation and service easier. View these videos for geothermal troubleshooting. EAD Series Air Handlers Enertech Global Installation and Operations Manual...
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Page 28: Section 7: Decommissioning A2L Recovery
(i.e. special cylinders for the recovery of refrigerant). Cylinders shall be complete with pressure-relief valve and associated shut-off valves in good working order. Empty recovery cylinders are evacuated and, if possible, cooled before recovery occurs. EAD Series Air Handlers Enertech Global Installation and Operations Manual... -
Page 29: Section 8: Revision Table
Section 8: Revision Table Revision Table Date Description of Revision Page 10JULY2024 Document created EAD Series Air Handlers Enertech Global Installation and Operations Manual... - Page 30 Customer Service department at info@enertechgeo.com. Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties, but are merely Enertech Global’s opinion or commendation of its products.
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