Davey Dynaflo 60061R - User Manual

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features

This document provides installation and operating instructions for the Davey Dynaflo Electric Pumps, specifically models 60061R, 6200, 6210, 6220, and 6230. These pumps are designed for various water transfer applications, emphasizing reliable performance and ease of use when properly installed and maintained.

Function Description

The Davey Dynaflo Electric Pumps are designed to transfer water, operating as a crucial component in systems requiring water movement. Their primary function involves drawing water from a source (suction) and delivering it to a desired point (delivery). The pump's operation relies on an electric motor to drive an impeller, creating the necessary pressure and flow. The manual stresses the importance of correct installation and priming for optimal performance, warning against dry running or continuous operation in a loss-of-prime condition, which can cause significant damage.

Important Technical Specifications

Models: 60061R, 6200, 6210, 6220, 6230.
Power Supply (Single Phase): Models 6200, 6210, and 6220 are supplied with either a 10 amp plug or a special 15 amp power plug for 220/250V outlets. The single-phase motor is a P.S.C. type with the capacitor located inside the capacitor cover. It features an inbuilt automatic reset thermal overload designed to protect against overloading.
Power Supply (Three Phase): Three-phase models (6220, 6230) are designed for connection to a nominal 415V power supply. They require wiring with a contactor and 'quicktrip' overloads: 5.2 amps for Model 6220 and 7 amps for Model 6230. Davey recommends overloads capable of detecting "single phasing" or "dropped phase" conditions. For 480V reconnection of the 6220 model, a specific 480V overload (P/No. 48154) must be fitted, and this must be carried out by an authorized electrician.
Suction Head: Optimum performance is achieved on suction heads (including friction) up to 4.5m (15 feet). The maximum practical suction head for this type of pump is 7.5m (25 feet).
Motor Protection: Single-phase motors are fitted with an automatic reset thermal overload. This overload will allow the pump to restart without warning after cooling down. Three-phase models rely on external contactors with quicktrip overloads.
Construction: The manual advises against using petroleum-based fluids or solvents (e.g., oils, kerosene, turpentine, thinners) on plastic pump components or seal components, indicating the use of specific materials in the pump's construction.

Usage Features

Installation Environment: The pump must be installed in a safe, dry environment with adequate ventilation to prevent "hotbox" conditions and condensation buildup. It should be mounted on a firm base, elevated to prevent contact with surface water.
Priming: The pump body and suction line must be filled with water through the priming plug hole. For high suction lift conditions, the discharge valve should be partially closed during initial startup to prevent cavitation. For flooded suction, the priming plug should be removed, and the gate valve in the suction piping slowly opened to expel air before starting the pump.
Suction Piping: Suction piping should be laid with a constant rise from the water source to the pump to avoid air pockets. Using pipe with an equal or larger diameter than the pump inlet is recommended to reduce friction and maximize flow. All suction connections must be completely sealed using thread sealing tape.
Delivery Piping: Larger diameter piping is recommended for delivery to minimize friction and performance losses.
Electrical Connection: All electrical connections must be made by a qualified electrician and comply with local standards. Long extension leads should be avoided to prevent voltage drop. For three-phase models, the motor rotation direction must be checked (clockwise when viewed from the wiring connection end), and adjusted by swapping two power leads if incorrect.
Safety Warnings: The manual includes several critical warnings:
- Do not use the pump if it is not to be used by children or infirm persons, or as a toy.
- Automatic reset thermal overloads allow the pump to restart without warning; always disconnect power before maintenance.
- Do not run the pump dry or continuously in a loss-of-prime condition.
- Avoid pumping water containing sand or abrasive material, as this shortens pump life.
- Disconnect the pump motor from the electrical supply before any maintenance.
- Exercise caution when servicing due to possible injury from hot pressurized water; unplug the pump, relieve pressure, and allow hot water to cool.
- Do not use hydrocarbon-based or propelled sprays around electrical components.
- Implement a pest control plan if the enclosure is susceptible to insect infestation, as insects can be attracted to electrical devices.

Maintenance Features

Troubleshooting Guide: The manual provides a comprehensive troubleshooting section for common issues such as the motor running but no water delivery, reduced flow rate, or the motor failing to run. This includes checks for priming, leaks, water levels, blockages, defective valves, incorrect rotation, power supply issues (voltage, overload), and motor binding.
Overload Reset: The single-phase motor's automatic reset thermal overload will reset once the motor cools down after tripping. The cause of the overload (e.g., low voltage, excessive ambient temperature) should be identified and rectified.
Motor Inspection: If the motor fails to turn, users are instructed to remove the end cap/terminal cover and use a 16mm socket spanner to check if the motor shaft is free to turn. If not, the pump body should be removed to rectify the cause of binding.
Spare Parts: When ordering spare parts, it is essential to provide the pump model and motor type numbers from the nameplate, along with a full description of the required part.
Professional Servicing: For internal motor faults or complex electrical issues, the unit should be checked by a local Davey Dealer or an authorized electrician. All electrical connections and wiring must be carried out by an authorized electrician, and means of disconnection must be incorporated into the fixed wiring according to local rules.
Warranty: Davey provides a minimum one-year warranty against defects in material and workmanship under normal use and service. The warranty does not cover misuse, neglect, improper installation, unauthorized modifications or repairs, abnormal conditions (e.g., incorrect voltage, lightning, cavitation, abrasive liquids), or damage to consumables. To make a warranty claim, users must stop using the product, contact the place of purchase or Davey Customer Service, provide proof of purchase, and return the product if requested.