Ecoer ESI Series - User Manual

ESI (Ultra) Service Manual
www.ecoer.com
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Manufacturer reserves the right to change specifications or designs without notice.
10.2019
ESI (Ultra) R-410A
Unitary Service Manual
Contents
1. General Information ----------------------------- 2
2. ESI (Ultra) Unitary System ---------------------- 3
2.1 Refrigerant Circuit ------------------------------
3
2.2 Function and Control --------------------------
7
2.3
Field Setting ------------------------------------- 17
3. Troubleshooting ---------------------------------- 25
3.1
Problems without Codes --------------------- 25
3.2
Error Codes list --------------------------------- 35
4.
Parts List --------------------------------------------
61
5.
Appendix --------------------------------------------
63
5.1 Sensor Characteristics --------------------------
63
5.2
Wiring Diagram -------------------------------- 67
All phases of this installation must comply with National, State and Local Codes.
IMPORTANT
These instructions do not cover all variations in systems or provide for every possible contingency to
be met in connection with installing and servicing. Should further information be desired or should
particular problems arise which are not covered sufficiently for the purchaser’s purposes, the matter
should be referred to local distributor.

Summary

General Information

ESI (Ultra) Unitary System

Refrigerant Circuit

Details the refrigerant circuit and component layout of the unit.

Function and Control

Explains system operation modes, control logic, and settings.

Protection Controls

Details various protection mechanisms to ensure system safety.

Field Setting

Covers system configuration via dip switches and control buttons.

Troubleshooting

Problems without Codes

Addresses system issues that do not display specific error codes.

Error Codes List

Lists and explains all system error codes for diagnostics.

Parts List

Sensor Characteristics and Wiring

Sensor Characteristic

Provides resistance and voltage data for temperature sensors.

Wiring Diagram

Illustrates electrical connections for system components and terminals.

Ecoer ESI Series Specifications

General

Series	ESI Series
Refrigerant	R410A
Wi-Fi Capable	Yes
Warranty	10-Year Limited Warranty
HSPF Rating	Up to 10