Xylem McDonnell & Miller PSE-800-M Скачать руководство пользователя страница 4

Introduction and Safety

Introduction

Purpose of this manual

The purpose of this manual is to provide necessary information for:

• Installation
• Operation
• Maintenance

CAUTION:

Read this manual carefully before installing and using the product. Improper use of the
product can cause personal injury and damage to property, and may void the warranty.

NOTICE:

Save this manual for future reference, and keep it readily available at the location of the
unit.

Safety

WARNING:

• The operator must be aware of safety precautions to prevent physical injury.
• Any pressure-containing device can explode, rupture, or discharge its contents if it is

over-pressurized. Take all necessary measures to avoid over-pressurization.

• Operating, installing, or maintaining the unit in any way that is not covered in this manual

could cause death, serious personal injury, or damage to the equipment. This includes
any modification to the equipment or use of parts not provided by Xylem. If there is a
question regarding the intended use of the equipment, please contact a Xylem
representative before proceeding.

• This manual clearly identifies accepted methods for disassembling units. These methods

must be adhered to. Trapped liquid can rapidly expand and result in a violent explosion
and injury. Never apply heat to impellers, propellers, or their retaining devices to aid in
their removal.

• Do not change the service application without the approval of an authorized Xylem

representative.

CAUTION:

You must observe the instructions contained in this manual. Failure to do so could result in
physical injury, damage, or delays.

Safety terminology and symbols

About safety messages

It is extremely important that you read, understand, and follow the safety messages and
regulations carefully before handling the product. They are published to help prevent
these hazards:

• Personal accidents and health problems
• Damage to the product
• Product malfunction

Introduction and Safety

2

PSE-800-M Low Water Cut-off Installation, Operation, and Maintenance Manual

Содержание McDonnell & Miller PSE-800-M

Страница 1: ...PSE 800 M Low Water Cut off Installation Operation and Maintenance Manual...

Страница 2: ......

Страница 3: ...all the control housing 8 Wire the probe to the control housing 8 Control to boiler wiring 9 Electrical conduit connections 9 Wire connections to the terminal block 9 Option A wiring 10 Option B wirin...

Страница 4: ...uipment or use of parts not provided by Xylem If there is a question regarding the intended use of the equipment please contact a Xylem representative before proceeding This manual clearly identifies...

Страница 5: ...ing specific symbol Electrical Hazard These are examples of other categories that can occur They fall under the ordinary hazard levels and may use complementing symbols Crush hazard Cutting hazard Arc...

Страница 6: ...d in this manual The monitoring equipment incorporated in the product is correctly connected and in use All service and repair work is done by Xylem authorized personnel Genuine Xylem parts are used O...

Страница 7: ...loss of power as long as there is water on the probe before and after the power loss occurred CSD 1 code compliance For manual reset units when the control is in a low water condition and there is an...

Страница 8: ...specifications Ratings Model Control Voltage Motor Switch rating Pilot rating PSE 802 M 24 24 VAC N A 50 VA PSE 802 M U 24 PSE 801 M 120 120 VAC 7 5 FLA 43 2 LRA 125 VA PSE 801 M U 120 Hertz 50 60 Con...

Страница 9: ...et low water cut off LWCO Installing the probe above this location could result in nuisance shutdowns or lockouts Install probe in a location above the minimum safe water level as designated by the bo...

Страница 10: ...ads 5 Tighten the mounting screws to approximately 2 ft lbs 2 6 N M Steps 2 and 3 Steps 4 and 5 4 6 4 6 Wire the probe to the control housing 1 Slip the ring terminal 7 followed by the lock washer 8 o...

Страница 11: ...the new manual reset LWCO turns off when the existing auto reset LWCO detects a low water condition reducing the chance of nuisance lockouts The water feeder continues to operate because there is stil...

Страница 12: ...lines indicate new wires Water feeder should be wired to existing Auto Reset LWCO Wiring diagrams for the water feeder can be found in the water feeder installation instruction manual Option B wiring...

Страница 13: ...a Model 67 LWCO Voltage of the new manual reset LWCO must be the same voltage as the burner circuit 1 Remove existing wire from terminal 1 of the Model 67 LWCO and connect it to Terminal B of the new...

Страница 14: ...2 3 4 N H C W B 1 1 2 3 4 TOP 2 3 4 1 Factory jumper bar 2 To burner 3 Neutral 4 Hot _ _ _ _ Dashed lines indicate existing wires _____ Solid lines indicate new wires Installation 12 PSE 800 M Low Wa...

Страница 15: ...he boiler a The burner turns off and the Red light begins to flash when there is no water on the probe b After 60 seconds the red light will stop flashing and will remain on IMPORTANT If water returns...

Страница 16: ...r cut off annually Remove and inspect the self cleaning probe every five years Use a non abrasive cloth and rinse with clean water when the probe requires cleaning Do not use sharp instruments to remo...

Страница 17: ...specified in the wiring diagrams of the boiler manufacturer or in this instruction manual 3 Check to ensure that PTFE tape has not been used on the threaded connection of the electrode to the boiler 4...

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Страница 20: ...150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise backed by a legacy of innovation F...

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