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General| Model | GCS9 |
|---|---|
| Type | Gas Furnace |
| Efficiency Rating | Up to 96% AFUE |
| Warranty | 10-Year Parts Limited Warranty with online registration |
| AFUE | Up to 96% |
| Cabinet Type | Multi-Position |
| AFUE Rating | Up to 96% |
| Heating Capacity | 40, 000 to 120, 000 BTU/h |
| Blower Motor | Variable Speed |
| Fuel Type | Natural Gas or Propane |
| Stages | Single-Stage, Two-Stage |
| Blower Motor Type | Variable Speed |
Steps to prevent damage to electronic components from static discharge.
Factors to consider for furnace placement and clearances.
Minimum clearances required for safe operation and service.
Instructions for suspending the furnace securely.
Guidance on safely removing an old furnace.
Recommended placement for optimal temperature sensing.
Air supply requirements for equipment in unconfined spaces.
Air supply requirements for equipment in confined spaces.
Specific requirements and considerations for horizontal installations.
Key factors for horizontal furnace installation.
Installing the condensate drain trap and lines for horizontal units.
Ensuring the furnace is level for proper drainage.
Using alternate connection points for vent and air piping.
Essential instructions and warnings for vent/flue pipe installation.
Understanding the furnace's dual certification for venting types.
Specifications for PVC/ABS pipe, primer, cement, and fittings.
Best practices for secure, airtight, and properly sloped piping.
Restrictions and requirements for vent and air intake termination points.
Specific venting requirements for installations in Canada.
Using factory-provided couplings for vent and air intake connections.
Using alternative side panel locations for piping connections.
Procedure for using the alternate vent/flue pipe location.
Procedure for using the alternate combustion air intake location.
Requirements for single-pipe venting systems.
Table of maximum allowable pipe lengths and elbow counts.
Diagrams and requirements for vertical and horizontal pipe terminations.
Requirements for dual-pipe venting and air intake systems.
Clearance requirements for terminating multiple direct vent units.
Instructions for using the Concentric Vent Kit.
Requirements for piping condensate to a drain location.
Connecting drain hoses for upright furnace installations.
Attaching drain hoses using standard side connections.
Connecting drain hoses for horizontal furnace installations.
Connecting drain hoses for alternate vent/flue outlet installations.
Mounting the drain trap to the side panel in upright installations.
Mounting the drain trap in horizontal installations.
Details on wire color coding and replacement.
Connecting 115V power to accessories like humidifiers and air cleaners.
Connecting low voltage thermostat wiring to the control module.
Connecting a 24VAC humidifier to the pressure switch.
Required inlet gas pressure ranges for natural and propane gas.
Procedures for adjusting for high altitude conditions.
Instructions and warnings for propane conversion.
Information on the gas valve and its manual control.
Guidelines for connecting the gas piping to the furnace.
Proper duct system design for optimal air flow and static pressure.
Essential information on filter selection, maintenance, and installation.
Filter placement for horizontal furnace installations.
Adjusting the thermostat heat anticipator for proper cycling.
Procedure to fill the drain trap with water before startup.
Pre-startup checks including gas lines and leak detection.
Step-by-step instructions for initial furnace startup.
How to measure and verify inlet gas supply pressure.
Measuring and adjusting the gas manifold pressure.
Procedure to measure and verify the natural gas input rate.
How to measure and adjust temperature rise for proper operation.
Steps to adjust blower speeds for optimal heating/cooling performance.
Initial power application and system checks.
Step-by-step sequence of operations during heating.
Step-by-step sequence of operations during cooling.
Sequence of operations when only the fan is active.
Visual inspection of burner flames for proper appearance.
Verifying the function of the primary limit control.
Overview of safety circuits and their role.
Description of the electronic control module's safety functions.
Function and purpose of the primary limit safety control.
Function and purpose of the auxiliary limit safety control.
Function and purpose of the rollout limit safety control.
Role of pressure switches in monitoring airflow.
How the flame sensor detects the presence of flame.
Reference for interpreting diagnostic LED codes and fault descriptions.
Procedures for resetting the furnace after a lockout condition.
Key items to inspect annually for proper furnace function.
Guidance on filter maintenance, removal, and types.
Procedure for cleaning heat exchanger flue passageways.
Steps to remove filters from the bottom return.
Steps to remove filters from the blower compartment.
