Related Manuals for Nelson 730-10W
Summarization of Contents
How Nelson 700 Series Waterers Work
Operating Principal
Explains the weight-activated valve mechanism in the waterer.
Electric Heater
Details the location and function of the thermostatically controlled electric heater.
Model Number Location
Model Number Identification
States where the waterer model number can be found on the unit and documentation.
Cleaning the Waterer
Removing the Drinking Bowl for Cleaning
Provides step-by-step instructions for removing the cover and drinking bowl.
Remove Mineral Deposits From Drinking Bowl
Soaking Method for Mineral Deposits
Explains soaking the bowl in a vinegar-water solution to remove mineral deposits.
Adjust Control Valve
Control Valve Adjustment Procedure
Details the steps for adjusting the control valve for proper water flow and shut-off.
Adjust Water Level in Drinking Bowl
Counter Weight Adjustment for Water Level
Describes how to adjust the counter weight to set the water level in the bowl.
Rate of Flow - Brass Shut-off Valve
Shut-off Valve Functionality
Explains the dual function of the brass shut-off valve for flow regulation and supply shut-off.
Testing Heating Element & Thermostat
Heating Element Continuity Test
Explains how to test the heating element for continuity using an ohmmeter.
Thermostat Continuity Test
Details testing the thermostat's functionality by checking continuity after chilling.
Replacing Heater & Thermostat
Heater and Thermostat Replacement Steps
Provides a sequence of steps for removing and replacing the heater assembly and thermostat.
Weight Installation
Installing the Lead Weight
Guides on removing shipping pads and correctly positioning the lead weight.
Tighten Screws
Regular Screw Tightening Schedule
Advises tightening screws seasonally and checking clip screws and pivot shaft cotter pins.
Dripping & Overflow Troubleshooting
Checking for Obstructions
Steps to check for obstructions affecting the pivot beam or shut-off valve.
Control Valve Adjustment for Dripping
Details adjusting the control valve to stop water flow and prevent dripping.
Water Supply Line Inspection
Inspects the water supply line for obstructions like the shut-off valve.
Control Valve Fine Adjustment
Further adjustment of the control valve for precise shut-off, in 1/4 turn intervals.
Inspecting/Replacing Inline Water Filter & Control Valve
Filter and Control Valve Inspection Steps
Guides on shutting off power/water, removing filter and valve for inspection.
Control Valve Component Inspection
Valve Body and Stem Inspection
Guides on inspecting the valve body and stem for nicks, gouges, or wear.
Lubricating Valve Stem
Recommends lubricating the valve stem with petroleum jelly before reassembly.
Freeze-Up Troubleshooting
Electrical Circuit Inspection for Freeze-Up
Checks electrical circuit integrity, fuses, breakers, and GFI for freeze-up causes.
Waterer Inspection for Heater Function
Verifies the heater is cycling correctly by checking for warmth.
External Factors Causing Freeze-Up
Discusses issues like incorrect shut-off valve placement and heat well size.
Freeze-Up Causes and Solutions
Heat Well Obstruction
Addresses freeze-up caused by blockages in the heat well.
Vertical Water Line Contact
Explains freezing due to vertical water lines touching the heat well or base.
Air Gap Sealing
Recommends sealing air gaps to prevent freeze-up and improve heater efficiency.
Heat Tape Placement
Warns about heat tape placement interfering with thermostat operation.
Taking Waterer Temporarily Out of Service
Procedure for Extended Non-Use
Outlines steps for preparing the waterer for periods of non-use.
Waterer Components
Pivot Beam Function
Describes the pivot beam and its role in activating the control valve.
Control Valve Adjustment Screw
Locates and explains the function of the control valve adjustment screw.
Control Valve Operation
Details the control valve's function, pressure range, and port identification.
Brass Shut-off Valve
Explains the brass shut-off valve's role in regulating flow and shutting off supply.
Installation In Freezing Climates - Protecting Vertical Waterline
Free-Standing Model Installation
Illustrates installation for free-standing models, focusing on frost line protection.
Wall-Mount Model Installation
Illustrates installation for wall-mount models, focusing on frost line protection.
Installation In Freezing Climate - Plumbing Inside Waterer
Water Supply Hose and Shut-off Valve Location
Details proper placement of the water supply hose and shut-off valve for freeze protection.
Water Filter Location and Maintenance
Advises on flushing waterlines and installing a cold water filter to prevent clogs.
Heater & Thermostat Installation Diagrams
Electrical Junction Box Cover
Instructions for replacing the junction box cover with the one provided with heaters/thermostats.
Strain Relief Connector Installation
Details how to properly install the strain relief connector for the heater cord.
Power Supply Requirements
Specifies the hot, neutral, and ground wire connections required for the heater and thermostat.
Heater and Thermostat Wiring Diagram
Provides a schematic of the heater and thermostat wiring connections.
Instructions For Replacing Plumbing Parts Including Control Valve & Filter
Removing Water Filter
Steps to remove the nylon water filter located inside the water supply tube.
Removing Control Valve Components
Guides on removing the brass hex nut, pivot shaft, and control valve.
Installing New Control Valve
Instructions for connecting the new control valve, ensuring correct water flow direction.
Reassembling Control Valve Parts
Details reassembling valve components and adjusting the control valve.
Warnings: Nelson 700 Series Waterers
Electrical Installation & Maintenance Safety
Emphasizes using a licensed electrician for safe installation and maintenance.
Top Cover & Drinking Bowl Safety
Warns against removing the cover or bowl unless performing maintenance.
Turn Off Power When Servicing
Instructs to always turn off power when servicing to prevent electrocution.
Seal Air Gaps
Advises sealing air gaps to prevent freeze-up, energy loss, and component damage.
Electrical Wire Protection
Stresses protecting electrical wires from animals to prevent fire or electrocution.
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