Horizontal Water WH Series Source Heat Pumps Yearly Maintenance
The Horizontal Water WH Series Source Heat Pumps Yearly Maintenance contains a routine step by step maintenance procedure that ensures your machine is in quality performance status. Follow recommendations and standards provided/
Horizontal Water WH Series Source Heat Pumps Yearly Maintenance
36 steps
The Horizontal Water WH Series Source Heat Pumps Yearly Maintenance contains a routine step by step maintenance procedure that ensures your machine is in quality performance status. Follow recommendations and standards provided/
At least once each year, a qualified service technician should check out the unit. Supply fans, evaporator coils and air filters should be inspected monthly.
WARNING ! Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation and service must be performed by a qualified installer. A copy of this IOM should be kept with the uni
DX Cooling
Condensate Drain Pans
Supply Fans
CAUTION! Blower wheels must be inspected for excessive dust build up periodically and cleaned if required. Excessive dust build up on blower wheels may cause an unbalanced state; leading to vibration and/or component failure. Damages due to excessive dust
WARNING! Electric shock hazard. Shut off all electrical power to the unit to avoid shock hazard or injury from rotating parts.
Supply Fan Lubrication
Recommended greases are:
Microchannel Coil Cleaning
Allowed Chemical Cleaners and Procedures
WARNING! Electric shock hazard. Shut off all electrical power to the unit to avoid shock hazard or injury from rotating parts
Simple Green
Simple Green is available from AAON Parts and Supply (Part# T10701) and is biodegradable with a neutral 6.5 pH. Recommendation is to use it at a 4 to 1 mix. Use the following procedure
Vinegar
This is standard white vinegar available in gallons from most grocery stores. It has a pH of 2-3, so it is slightly acidic. Use the following procedure.
Water Flush
This procedure can be used when the only material to cause the coil to need cleaning is debris from plant material that has impinged the coil face.
Caution! Use pressurized clean water, with pressure not to exceed 140 psi. Nozzle should be 6” and 80° to 90° from coil face. Failure to do so could result in coil damage.
Application Examples
The three procedures can be used to clean microchannel coils.
Generally the best and broadest based procedure is #1. The grease cutting effect of the Simple Green is good for restaurant applications.
Other Coil Cleaners
Filter Replacement
Monthly filter inspection is required to maintain optimum unit efficiency.
WARNING! Electric shock hazard. Shut off all electrical power to the unit to avoid shock hazard or injury from rotating parts.
See Filter Information section for reference to the correct size and quantity of filters.
Replacement Parts
Parts for AAON equipment may be obtained by contacting your local AAON representative. When ordering parts, reference the unit serial number and part number located on the external or internal nameplate of the unit.
Note: Warranty end date can be found on the unit nameplate.
Note: Before calling, technician should have model and serial number of the unit available to help answer questions regarding the unit.