EngA Engineered Air XES225

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A

IOM-58 June 14 R5

INSTALLATION, OPERATION

AND MAINTENANCE MANUAL

FOR

XES-SC SERIES

INDOOR INDIRECT GAS FIRED

SEPARATED COMBUSTION HEATING UNIT

UNIT MODEL NO. _________________

UNIT SERIAL NO. _________________

SERVICED BY: ___________________

TEL. NO: ________________________

CANADIAN

HEAD OFFICE

AND FACTORY

USA

HEAD OFFICE

AND FACTORY

CANADIAN

FACTORY

1401 HASTINGS CRES. SE

CALGARY, ALBERTA

T2G 4C8

Ph: (403) 287-4774

Fx: 888-364-2727

32050 W. 83

rd

STREET

DESOTO, KANSAS

66018

Ph: (913) 583-3181

Fx: (913) 583-1406

6130 97

th

STREET

EDMONTON, ALBERTA

T6E 3J4

Ph: (780) 430-0310

Fx: (780) 434-6272

SALES OFFICES ACROSS CANADA AND USA

Retain instructions with unit and maintain in a legible condition.

Please give model number and serial number when contacting

factory for information and/or parts.

www.engineeredair.com

Table of Contents

Questions and Answers:

B
Barbara AndersonAug 9, 2025
How to fix EngA Heat Pump not enough heat?
- C
  Christine AdamsAug 9, 2025
  If your EngA Heat Pump isn't producing enough heat, it could be due to a few reasons. The mixing damper operator might not be working correctly; in this case, adjust the mixed air to a warmer setting, check the dampers, and adjust them if needed, or replace the damper operator. Another cause could be low gas pressure, which requires adjusting or replacing the regulator. Lastly, the furnace might be short cycling on limit switches, which can be resolved by tightening or replacing the blower belt, checking the I.D. fan and switch, and cleaning or replacing the filters.
C
Carlos SheltonAug 18, 2025
What to do if I see flame roll out in my EngA Heat Pump?
- M
  mhicksAug 19, 2025
  If you're experiencing flame roll out or notice a flame in the manifold compartment of your EngA Heat Pump, several factors could be responsible. A blocked flue or chimney could be the cause, so ensure the vent or chimney is free of obstructions. Insufficient combustion air might also be the problem, so try to increase the combustion air supply. Other potential issues include a leaking gas solenoid valve, which would necessitate replacing the gas valve; high gas pressure, requiring a reset or replacement of the regulator; or a blocked or damaged intake screen, which should be repaired or cleaned.
D
Daniel WongAug 29, 2025
Why EngA Heat Pump has no heat?
- J
  Jacob MartinezAug 29, 2025
  If your EngA Heat Pump isn't producing any heat, there are a few things you can check. First, a blown control module fuse could be the culprit. Check for the cause of the blown fuse and then replace the fuse or the S825 Module. Another possibility is that the ventor motor air proving switch isn't working, in which case you should repair or replace the air proving switch. Finally, there might be no gas supply reaching the manifold, so check the main gas supply.

EngA Engineered Air XES225 Specifications

General

Brand	EngA
Model	Engineered Air XES225
Category	Heat Pump
Language	English

Summary

Safety Precautions

Fire or Explosion Hazard Warning

Details critical safety warnings regarding fire or explosion hazards and proper response procedures.

Installation Guidelines

Hazardous Location Warning

Alerts that the unit is not rated for hazardous locations and specifies installation restrictions.

Qualified Personnel for Installation

Emphasizes that wiring, piping, and fuel line installation must be done by qualified persons.

Installation Codes and Standards

Minimum Clearances for Service and Combustibles

Clearance Requirements Overview

Details minimum clearances required for safe installation, service, and operation of the heater.

Unit Mounting Instructions

Level Mounting Importance

Stresses the importance of level mounting for operational integrity and safety.

Separated Combustion System

Separated Combustion Hazard Warning

Warns against using separated combustion equipment in atmospheres with flammable or chlorine vapors.

Qualified Installers for Separated Combustion

Stresses that separated combustion system installation must be done by qualified persons.

Complete Piping for Separated Combustion

Instructs not to operate the heater without combustion air and flue gas piping installed.

Combustion Air Duct Installation

Venting Products of Combustion

Independent Vent System Requirement

States that each heater needs its own vent system and cannot connect to other systems.

Venting Material Restriction

Prohibits the use of PVC, ABS, or other non-metallic pipes for venting purposes.

Engineered Air Side Wall Vent System

Side Wall Venting - Approved by Others

Vertical Vent System Installation

Natural Gas and Propane Installation

Compliance with Authorities

Ensures installation adheres to requirements of governing authorities and local codes.

Gas Line Testing Procedures

Testing Above 0.5 psi

Details procedures for testing gas lines at pressures exceeding 0.5 psi, requiring disconnection.

Temporary Power Generation Precautions

Recommended 24 V Field Wiring Size

Start-Up Checklist

High Voltage Startup Warning

Warns of high voltage hazards and the need for qualified technicians during startup.

Safe Startup Practices

Emphasizes that startup and operation must follow safe practices and be done by qualified personnel.

Drive Alignment and Belt Tension

Supply Voltage Check

System Air Balance Importance

Operation

High Voltage Operation Warning

Warns of high voltage hazards and the need for qualified technicians during operation.

Air Balance for Proper Operation

Recommends air balance by certified contractor for optimal operation and safety.

Combustion and Final Unit Check

Gas Manifold Pressure Check

Details checking and adjusting gas manifold pressure at high fire against the nameplate specifications.

Unit Shut-Down Instructions

Maintenance

High Voltage Maintenance Warning

Safety Shutoff Valve Leak Test

Leak Test Procedure

Maximum Leakage Rate

Troubleshooting

Not Enough Heat Troubleshooting

No Heat Troubleshooting

Flame Roll Out Troubleshooting

Start-Up Record

Related product manuals

EngA Engineered Air XES320

Engineered Air XES-SC Series