Ecoer 36K Installation Manual
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Ecoer 36K Installation Manual

Sdi decades extreme air handlers 3/5ton capacity r-410a eev inside
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SDi Decades Extreme AHU IM
Installation Manual
SDi Decades Extreme
3/5Ton Capacity
R-410A EEV Inside
1. Safety Precautions---------------------------------
2. Location and Dimensions------------------------
3. Applications-----------------------------------------
4. Electrical Wiring-----------------------------------
5. Airflow Performance------------------------------
6. Ductwork--------------------------------------------
7. Pipe Connections----------------------------------
8. Air Filter---------------------------------------------
9. Accessories-------------------------------------
All phases of this installation must comply with National, State and Local Codes.
Read this manual carefully before installing or operating your new air conditioning unit. Make
IMPORTANT NOTE:
sure to save this manual for future reference.
Inside you'll find many helpful hints on how to use and maintain your air conditioner properly.
Read this manual:
Just a little preventive care on your part can save you a great deal of time and money over the life
of your air conditioner. These instructions may not cover every possible condition of use, so
common sense and attention to safety is required when installing, operating and maintaining
this product.
Manufacturer reserves the right to change specifications or designs without notice.
1 of 35
2
6
8
16
30
31
32
33
NOTE: Appearance of unit may vary.
Installation must be performed in accordance
34
with the requirements of NEC and CEC by
authorized personnel only.
ECOER INC.
Feb. 2023

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Summary of Contents for Ecoer 36K

  • Page 1: Table Of Contents

    SDi Decades Extreme AHU IM 1 of 35 ECOER INC. Installation Manual SDi Decades Extreme Air Handlers 3/5Ton Capacity R-410A EEV Inside Contents 1. Safety Precautions--------------------------------- 2. Location and Dimensions------------------------ 3. Applications----------------------------------------- 4. Electrical Wiring----------------------------------- 5. Airflow Performance------------------------------ 6. Ductwork-------------------------------------------- 7.

  • Page 2: Contents 1. Safety Precautions

    SDi Decades Extreme AHU IM 2 of 35 ECOER INC. 1. Safety The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance. Please check the packaging and appliance on arrival to make sure everything is intact to ensure safe operation.
  • Page 3 SDi Decades Extreme AHU IM 3 of 35 ECOER INC. • In certain environments, such as kitchens, server rooms, etc., the use of specially designed air- conditioning units is highly recommended. • Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life.
  • Page 4 SDi Decades Extreme AHU IM 4 of 35 ECOER INC. • How to install the appliance to its support, please read the information for details in "indoor unit installation" and "outdoor unit installation" sections . • Excessive Weight Hazard - Use two or more people when moving and installing the unit. Failure to do so can result in back or other type of injury.
  • Page 5 SDi Decades Extreme AHU IM 5 of 35 ECOER INC. • The maximum functional total external static pressure can not exceed 0.80 in WC or 200 Pa. The airflow reduces significantly beyond 0.80 in WC or 200Pa. System design should allow for the increased resistance of filters as they become dirty.

  • Page 6: Air Handlers

    SDi Decades Extreme AHU IM 6 of 35 ECOER INC. 2. Locations and Dimensions 2.1 Locations CAUTION Install the indoor and outdoor units, cables and wires at least 1m (3-1/5′) from televisions or radios to prevent static or image distortion. Depending on the appliances, a 1m (3-1/5′) distance may not be sufcient.
  • Page 7 SDi Decades Extreme AHU IM 7 of 35 ECOER INC. Must support the weight of spaciousness the indoor unit. Enough room for Enough room for the The structure that the equipment is installation and connecting pipe and suspended from must support the ...

  • Page 8: Applications

    SDi Decades Extreme AHU IM 8 of 35 ECOER INC. 3. Applications 3.1 Indoor unit installation WARNING There must be an airtight seal between the bottom of the air handler and the return air plenum. Use fiberglass sealing strips, foil duct tape, caulking, or equivalent sealing method between the plenum and the air handler cabinet to ensure a tight seal.
  • Page 9 SDi Decades Extreme AHU IM 9 of 35 ECOER INC. Select a solid and level site, keep enough space for proper installation and maintenance. Adjust motor speed tap on indoor main control board (MCB) to select correct air flow according to blower performance table.
  • Page 10 SDi Decades Extreme AHU IM 10 of 35 ECOER INC. 3.2 Indoor unit installation directions CAUTION A field-fabricated secondary drain pan, with a drain pipe to the outside of the building, is required in all installations over a finished living space or in any area that may be damaged by overflow from the main drain pan.
  • Page 11 SDi Decades Extreme AHU IM 11 of 35 ECOER INC. 3.3 Vertical up-flow and Horizontal left-flow Vertical up-flow and horizontal left-flow configurations are the factory settings on all models. Step 1 Go straight to the regular installation. 3.4 Vertical down-flow and horizontal right-flow NOTICE Vertical down-flow and horizontal right-flow configurations need to be field settings on all models.
  • Page 12 SDi Decades Extreme AHU IM 12 of 35 ECOER INC. Step 4 Indication of the position of each temperature sensor of the evaporator: 36K model T2A&T2B 60K model NOTICE T2A and T2B are only available for some models. Step 6 Remove T1, T2, T2A, T2B, EEV sensor wire ties.
  • Page 13 ECOER INC. SDi Decades Extreme AHU IM 13 of 35 Step 7 Step10 Take out the evaporator and drain pan and rotate Reinstall T1, T2, T2A, T2B sensor plugs and 180° (when your equipment need to be vertical electronic expansion valve (EEV) and tie up the downed configuration).
  • Page 14 SDi Decades Extreme AHU IM 14 of 35 ECOER INC. Step 12 Step 14 Use cable ties to fix the room temperature Connect the wire according to the wiring diagram. sensor as shown in the figure. Step 15 Reassenble the upper cover and Reinstall the...
  • Page 15 SDi Decades Extreme AHU IM 15 of 35 ECOER INC. 3.5 Air-handler refrigerant piping connection • Thread this pipeline through the wall and connect it to the outdoor unit. CAUTION • Insulate all the piping, including the valves of Check to make sure there is no refrigerant leak the outdoor unit.

  • Page 16: Electrical Wiring

    SDi Decades Extreme AHU IM 16 of 35 ECOER INC. 4. Electrical Wiring WARNING BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE WARNINGS. • All wiring must comply with local and national • Only connect the unit to an individual branch circuit.
  • Page 17 SDi Decades Extreme AHU IM 17 of 35 ECOER INC. 4.1 Power Wiring CAUTION • While connecting the wires, please strictly follow the wiring diagram. • The refrigerant circuit can become very hot. Keep the interconnection cable away from the copper tube.
  • Page 18 ECOER INC. SDi Decades Extreme AHU IM 18 of 35 Wiring Diagram Manufacturer reserves the right to change specifications or designs without notice. Feb. 2023...
  • Page 19 SDi Decades Extreme AHU IM 19 of 35 ECOER INC. 4.2 Control Wiring WARNING Please refer to the wiring nameplate for the wiring method. Do not connect the power cord to the communication line, as this may damage the system.
  • Page 20 ECOER INC. SDi Decades Extreme AHU IM 20 of 35 When using a 24v thermostat, please refer to the non-communicating wiring diagrams, the following Connection method C: wiring diagram are suitable for the AHU and ODU with 24v thermostat: • Wiring for 4H and 2C thermostat •Wiring for 3H and 2C thermostat...
  • Page 21 SDi Decades Extreme AHU IM 21 of 35 ECOER INC. Optional function wiring: UV, fresh air or ion generator wiring The WORK port is linked with the fan. When the fan is running, the relay is closed; If an active 24V signal is required, it can be directly connected to the G and C ports..
  • Page 22 SDi Decades Extreme AHU IM 22 of 35 ECOER INC. Dehumidification control wiring Control logic Indoor unit connector 24V power Connection Connector Purpose Common Fan Control Low Cooling Dehumidification control requires external Y/Y2 High Cooling Humidistat at DH and R. Set S4-2 as OFF. When...
  • Page 23 SDi Decades Extreme AHU IM 23 of 35 ECOER INC. DIP switch definitions Functio n Rotary switch Manufacturer reserves the right to change specifications or designs without notice. Feb. 2023...
  • Page 24 SDi Decades Extreme AHU IM 24 of 35 ECOER INC. The 24V thermostat mode needs to refer to Function DIP switch settings: the following settings: Control combination definition of SW1-1 and SW1-4 setting: Function DIP setting Define Conventional(24V) SW1-1 Controller Type with Thermostat...
  • Page 25 SDi Decades Extreme AHU IM 25 of 35 ECOER INC. Indoor unit dial code Dial Control Function Note Maximum continuous runtime allowed Code define before system automatically stages up capacity to satisfy set point. This adds 1 to 30 minutes...
  • Page 26 SDi Decades Extreme AHU IM 26 of 35 ECOER INC. 4.3 Electrical data NOTICE • Electric auxiliary heating wiring diagram packed with the accessories. • If branch circuit wire length exceeds 100 ft, consult NEC 210-19a to determine maximum wire length.
  • Page 27 SDi Decades Extreme AHU IM 27 of 35 ECOER INC. 4.5 Electric heat installation guide NOTICE Installation must be performed by an licensed contractor. Please make necessary precaution when performing the installation operation. Accessories Preparations for Installation Before installation, please confirm the...
  • Page 28 SDi Decades Extreme AHU IM 28 of 35 ECOER INC. Remove the terminal block and power wires, Step 3 Tighten the mounting screws. Step 5 loosen the screws, and remove the electric auxiliary heating cover. screws. Install the electric auxiliary heating assembly Step 4 Wire according to the wiring nameplate.
  • Page 29 SDi Decades Extreme AHU IM 29 of 35 ECOER INC. Manufacturer reserves the right to change specifications or designs without notice. Feb. 2023...

  • Page 30: Airflow Performance

    SDi Decades Extreme AHU IM 30 of 35 ECOER INC. 5. Airflow Performance Airflow settings and performance volume table Air volume table 24V thermostat Wired controller Airflflow External Static volume Electric DIP Switch 24V terminal Capacity Fan Speed Pressure Range...

  • Page 31: Ductwork

    SDi Decades Extreme AHU IM 31 of 35 ECOER INC. 6. Ductwork Field ductwork must comply with the National Fire Protection Association NFPA 90A, NFPA 90B and any applicable local ordinance. WARNING Do not, under any circumstances, connect return ductwork to any other heat producing device such as fireplace insert, stove, etc.

  • Page 32: Pipe Connections

    ECOER INC. SDi Decades Extreme AHU IM 32 of 35 7. Pipe Connections NOTICE Installation requires pvc pipe or other suitable material per local and national codes, which can be NOTICE ON PURCHASING PIPES obtained at your local hardware store or dealer.

  • Page 33: Air Filter

    SDi Decades Extreme AHU IM 33 of 35 ECOER INC. 8. Air Filter WARNING Do not operate the system without filters. A portion of the dust suspended in the air may temporarily lodge in the duct. Any circulated dust particles could be heated and charred by contact with the air handler elements.

  • Page 34: Accessories

    SDi Decades Extreme AHU IM 34 of 35 ECOER INC. 9. ACCESSORIES The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or equipment failure.
  • Page 35 SDi Decades Extreme AHU IM 35 of 35 ECOER INC. ©2022 ECOER INC. 43671 Trade Center Place, Suite 100 Dulles, VA 20166 Tel: 703-348-2538 www.ecoer.com Manufacturer reserves the right to change specifications or designs without notice. Feb. 2023...

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