Advertisement
Air Handler Unit Installation Instruction
Installation Manual
High Efficiency Air Handlers
2-3-4-5Ton Capacity
R-410A TXV Inside
Contents
1. Safety --------------------------------------------- 2
2. Dimensions -------------------------------------- 4
3. Applications---------------------------------
4. Electrical Wiring ------------------------------- 9
5. Airflow Performance -------------------------- 15
6. Ductwork ---------------------------------------- 17
7. Pipe Connections ------------------------------- 18
8. Air Filter ----------------------------------------- 19
9. TXV Adjustment -------------------------------- 20
This document is customer's property and is to remain with this unit. Please return it to
All phases of this installation must comply with National, State and Local Codes.
customer with service information upon completion of work.
These instructions are intended as an assist to qualified and licensed personnel for proper
installation, adjustment and operation of ECM air handler units. Read it thoroughly before
attempting installation or service work. Failure to follow these instructions may result in fire,
electrical shock, property damage, personal injury or death.
The instructions do not cover all variations in systems or provide for every possible contingency
to be met in connection with the installation.
Manufacturer reserves the right to change specifications or designs without notice.
1/20
------
-----
--------
6
-----
------
-----
-----
NOTE: Appearance of unit may vary.
Installation must be performed in accordance
------
with the requirements of NEC and CEC by
--------
authorized personnel only.
www.ecoer.com
10.2019
Advertisement
Subscribe to Our Youtube Channel
Related Manuals for Ecoer E-EHK05
Summary of Contents for Ecoer E-EHK05
-
Page 1: Table Of Contents
Air Handler Unit Installation Instruction 1/20 Installation Manual High Efficiency Air Handlers 2-3-4-5Ton Capacity R-410A TXV Inside Contents 1. Safety --------------------------------------------- 2 ------ 2. Dimensions -------------------------------------- 4 ----- 3. Applications--------------------------------- -------- 4. Electrical Wiring ------------------------------- 9 ----- 5. Airflow Performance -------------------------- 15 ------ 6. - Page 2 Air Handler Unit Installation Instruction 2/20 1. Safety Read the following safety instructions before installing the unit or doing service work. WARNING may cause personal death or serious injury. CAUTION may lead to injury or structural damage under some conditions.
- Page 3 Air Handler Unit Installation Instruction 3/20 WARNING If removal of the blower assembly is required, all switches supplying power to the equipment must be disconnected and locked so the field power wires can be safely removed from the blower assembly.
-
Page 4: Dimensions
Air Handler Unit Installation Instruction 4/20 2. Dimensions NOTE: 25’’ CLEARANCE IS REQUIRED IN THE SUPPLY AIR FRONT OF THE UNIT FOR FILTER AND COIL MAINTENANCE. 10-5/16 FLANGES ARE PROVIDED FOR FIELD INSTALLATION Breaker Switch (Electric heat only) High voltage connection 7/8’’, 1-3/32’’, 1-23/32’’... - Page 5 Air Handler Unit Installation Instruction 5/20 48 / 60 24-1/2 22-3/4 Manufacturer reserves the right to change specifications or designs without notice. 10.2019...
- Page 6 Air Handler Unit Installation Instruction 6/20 Select a solid and level site, keep enough space for proper installation and maintenance. Adjust motor speed tap on indoor PCB to select correct air flow according to blower performance table. a) Horizontal Position...
-
Page 7: Applications
Air Handler Unit Installation Instruction 7/20 3. Applications 3.1 Vertical up-flow Vertical up-flow configuration is the factory setting on all models. If return air is to be ducted, install duct flush with floor. Use fireproof resilient gasket 1/8 to 1/4 in. thick between the ducts, unit and floor. - Page 8 Air Handler Unit Installation Instruction 8/20 3.3 Horizontal left-flow Do not install this air handler to horizontal left-flow when the motor speed must be TAP4 or TAP5. CAUTION Horizontal right-flow is another default factory configuration for the units. These units may be converted to horizontal left-flow by removing indoor coil assembly with drain pan and reinstalling it as shown below.
- Page 9 Air Handler Unit Installation Instruction 9/20 Figure 3-3 Dimensions for front connect coil Horizontal units must be configured for right hand air supply or left hand air supply. CAUTION Horizontal drain pan must be located under indoor coil. Failure to use the drain pan can result in property damage.
-
Page 10: Electrical Wiring
Air Handler Unit Installation Instruction 10/20 4. Electrical Wiring Field wiring must comply with the National Electric Code (C.E.C. in Canada) and any applicable local ordinance. Disconnect all power to unit before installing or servicing. More than one disconnect switch may be required WARNING to de-energize the equipment. - Page 11 ” means the electric auxiliary heat connection. Some thermostats may use W2/AUX for heat pump. Figure 4-2 Schematic diagram for control wiring connection Ecoer thermostat (EST01) has a default system type 10 designed for Ecoer heat pump to match with most traditional indoor air handlers or furnaces.
- Page 12 No output from EST01 at O terminal if select Type 8 ~ 13. Type 6 can be used as a BACKUP for heat pump (Normal O signal output) application without two-stage fan control in cooling. ESI- Ecoer Smart Inverter condensing unit * means optional connection 4.3 Grounding The unit must be permanently grounded.
- Page 13 4.5 Electric Heat Data MIN. Circuit MAX. Fuse or Breaker Fan speed Model Electric Ampacity (HACR) Ampacity Kit Model Number Heat (kW) × ● ● ● ● E-EHK05 × × ● ● ● E-EHK10 × ● ● ● ● E-EHK05 × × ●...
- Page 14 Air Handler Unit Installation Instruction 14/20 4.6 Electric Heat Installation Guide Slide the kit into the duct and fasten the Unfasten 4 screws to take away the element (e.g. attachment and wires). blower access panel of the air handler.
- Page 15 Air Handler Unit Installation Instruction 15/20 Disconnect all power to unit before installing or servicing. More than one disconnect switch may be required WARNING to de-energize the equipment. Hazardous voltage can cause severe personal injury or death. Figure 4-3 Wiring diagram for electric heat Manufacturer reserves the right to change specifications or designs without notice.
- Page 16 230V because the multi-tap ECM motor is a constant torque motor. The torque doesn’t drop off at the speeds in which the motor operates. G2 signal occupies Tap (1) reserved for Ecoer thermostat (EST01) to get even better dehumidification control in cooling. Manufacturer reserves the right to change specifications or designs without notice.
- Page 17 17/20 the lowest TAP (1) controlled by G and G2 signal sending from Ecoer thermostat (EST01). G signal will be turned OFF and G2 signal will be turned ON if the difference between indoor temp. and desired one is < 3F.
-
Page 18: Ductwork
Air Handler Unit Installation Instruction 18/20 6. Ductwork Field ductwork must comply with the National Fire Protection Association NFPA 90A, NFPA 90B and any applicable local ordinance. Do not, under any circumstances, connect return ductwork to any other heat producing device such as fireplace WARNING insert, stove, etc. -
Page 19: Pipe Connections
Air Handler Unit Installation Instruction 19/20 7. Pipe Connections Keep the coil connections sealed until refrigerant connections are made. Refer to condensing unit installation instructions for details on pipe size and insulation. • Coil is shipped with Nitrogen. Evacuate the system before charging with refrigerant. - Page 20 Air Handler Unit Installation Instruction 20/20 8. Air Filter Filter application and replacement are critical to airflow, which may affect the heating and cooling system performance. Reduced airflow can shorten the life of the system’s major components, such as motor, heat relays, evaporator coil or compressor.
-
Page 21: Txv Adjustment
Air Handler Unit Installation Instruction 21/20 9. TXV Adjustment To keep the best Ecoer Smart Inverter(ESI) systems’ performance and reliability, be sure liquid line sub- cooling(SC) and compressor suction superheat(SH) meet our requirements. Target SC and SH 6~18゜F 7~20゜F in cooling •... - Page 22 Air Handler Unit Installation Instruction 21/20 Manufacturer reserves the right to change specifications or designs without notice. 10.2019...
- Page 23 Air Handler Unit Installation Instruction 22/20 ©2017-2019 ECOER INC. 3900 Jermantown Rd, Suite 150, Fairfax, VA 22030 Tel: 703-348-2538 www.ecoer.com Manufacturer reserves the right to change specifications or designs without notice. 10.2019...
Need help?
Do you have a question about the E-EHK05 and is the answer not in the manual?
Questions and answers