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General| Brand | York |
|---|---|
| Model | DNZ 048 |
| Category | Air Conditioner |
| Language | English |
General description of the unit's purpose and design as an outdoor combination heating/cooling unit.
Procedure for inspecting the unit upon receipt for possible damage during transit.
Reference to a separate manual for maintenance and renewal parts information.
Listing of CSA certifications and approvals for the unit's intended use.
Defines the unit as a Single Package Air Conditioner.
Indicates the generation of the product.
Identifies the unit series and SEER rating.
Lists cooling capacities for different models in MBH.
Indicates if natural gas heat is factory installed.
Codes for different voltage configurations.
Lists heating capacities for different models in BTUH.
Lists national and local codes governing unit installation.
Guidelines for selecting a suitable outdoor location for the unit.
Procedures and precautions for safely moving and lifting the unit.
Required clearances for unit operation, service, and installation.
Instructions for connecting supply and return air ductwork, including conversion.
Guidelines for positioning the unit on a roof curb.
Information on filters, including availability and maintenance.
Recommendations for installing a condensate trap and drain line.
Locations providing access to serviceable components.
Guidelines for selecting and installing a suitable room thermostat.
Requirements and diagrams for field wiring of the unit.
Explanation of three-phase compressor rotation and how to correct misphasing.
Instructions for routing and connecting the gas supply line.
Instructions for installing the loose flue vent hood for proper operation.
Step-by-step explanation of the heating cycle operation.
Description of safety controls used during heating operation.
Step-by-step explanation of the cooling cycle operation.
Description of safety controls used during cooling operation.
How the circulating fan operates during different modes.
Essential checks to perform before initiating unit start-up.
Step-by-step guide for safely operating the unit.
Procedure for safely shutting off the gas supply to the unit.
Checks to perform after the control circuit is energized and heating is operational.
How to adjust the gas pressure regulator on the automatic gas valve.
Procedures for checking or changing burners, including safety precautions.
Instructions for adjusting or replacing the hot surface pilot assembly.
How to measure and calculate temperature rise, and its importance.
Information about the direct drive blower motor.
Steps to check the gas input for natural gas units.
