Pentair MT125 User Manual

Model MT125 Natural Propane
125K (33 kW) with cord 461092 461093
240 VAC NATURAL GAS/LP GAS
FOR YOUR SAFETY - READ BEFORE OPERATING
• IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT,
CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
• IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE CAN
CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. INSTALLATION AND SERVICE
MUST BE PERFORMED BY A QUALIFIED INSTALLER, SERVICE AGENCY OR THE GAS SUPPLIER.
• DO NOT PLACE ARTICLES ON OR AGAINST THIS APPLIANCE.
• DO NOT USE OR STORE FLAMMABLE MATERIALS NEAR THIS APPLIANCE.
• DO NOT SPRAY AEROSOLS IN THE VICINITY OF THIS APPLIANCE WHILE IT IS IN OPERATION.
• DO NOT TRY TO LIGHT ANY APPLIANCE.
• DO NOT TOUCH ANY ELECTRICAL SWITCH; DO NOT USE ANY PHONE IN YOUR BUILDING.
• IMMEDIATELY CALL YOUR GAS SUPPLIER FROM A NEIGHBOR’S PHONE.
FOLLOW THE GAS SUPPLIER’S INSTRUCTIONS.
• IF YOU CANNOT REACH YOUR GAS SUPPLIER, CALL THE FIRE DEPARTMENT.
Pentair Water Australia Pty. Ltd.s AU/NZ – Head Office
1-21 Monash Drive, Dandenong South, Victoria 3175 – Australia • 1300.137.344 • Fax 1800.006.668
1620 Hawkins Ave., Sanford, NC 27330, USA • (919) 566-8000 • (800) 831-7133
10951 W. Los Angeles Ave., Moorpark, CA 93021, USA • (805) 553-5000 • (800) 831-7133
For additional free copies of this manual; call AUS: 1300 137 344 - NZ: 0800 654 112.
FOR YOUR SAFETY – This product must be installed
and serviced by authorized personnel, qualified in
pool/spa heater installation. Improper installation and/
or operation can create carbon monoxide gas and
flue gases which can cause serious injury, property
damage,or death. As an additional measure of safety,
Pentair Water Australia Pty. Ltd. strongly recommends
installation of suitable Carbon Monoxide detectors in
the vicinity of this heater. Improper installation and/or
operation will void the warranty.
OWNER:
Retain For
Future
Reference
(FOR OUTDOOR USE ONLY*) INSTALLATION AND USER’S GUIDE
MASTERTEMP 125 POOL AND SPA HEATER (AUSTRALIA)
Notice: MasterTemp Heaters are designed for use with NATURAL
and PROPANE gas only.
(*) For heater indoor use, see page 21.
ATTENTION INSTALLER: PLEASE GIVE THIS MANUAL
TO THE OWNER AND/OR OPERATOR ONCE INSTALLATION
IS COMPLETE.
www.pentairwater.com.au - www.pentair.com
WHAT TO DO IF YOU SMELL GAS

Pentair MT125 Specifications

General

Brand	Pentair
Model	MT125
Category	Swimming Pool Heater
Language	English

Summary

Heater Identification

Heater Identification Number (HIN)

Identifies the heater model and specifications using a coded system.

Heater Data Rating Plate Location

Describes the location of the heater's data rating plate for accessing specifications.

Warning and Safety Instructions

Important Safety Instructions

Crucial safety guidelines to follow before operating the heater to prevent fire or explosion.

Warranty Information

Details regarding the limited factory warranty and registration card submission.

Code Requirements

Consumer Information and Safety

Safety information and warnings regarding carbon monoxide and water temperature hazards.

General Specifications

Warnings and Safety Instructions (Continued)

Carbon Monoxide Gas is Deadly

Critical warning about the lethal nature of carbon monoxide gas from heater exhaust.

Section 1. Installation Instructions

Heater Description

Explains the internal components and operating principles of the MasterTemp 125 heater.

Plumbing Connections

Guidelines and diagrams for connecting the heater to the pool/spa plumbing system.

Gas Connections

Critical information for connecting the gas supply to the heater safely and according to codes.

Outdoor Heater Installation (Australia)

Specific guidelines for installing the heater outdoors, including placement and base requirements.

Heater Clearances – Outdoor

Specifies minimum clearance distances required around the heater for safe outdoor installation.

Electrical Connections

Critical information on wiring the heater, including voltage, amp draw, and connection requirements.

Heater Wiring Diagram

A visual representation of the heater's internal electrical wiring for installation and troubleshooting.

Section 2. Operations

Basic System Operation

Overview of the initial steps and requirements for starting the heater's basic functions.

Operating Instructions

Step-by-step guide on how to operate the heater's controls for normal heating cycles.

Safety Controls

Description of the various safety devices and their functions within the heater system.

Control Panel

Overview of the heater's control panel interface and its functional buttons.

Section 3. Troubleshooting

Initial Troubleshooting

Preliminary steps and checks for diagnosing common heater issues before detailed troubleshooting.

Error and Fault Codes

Lists and explains error codes displayed by the heater and their corresponding troubleshooting steps.

Heater Will Not Fire - A

Diagnostic chart for troubleshooting when the heater fails to initiate a heating cycle (Part A).

Burner Troubleshooting

Common symptoms and remedies for issues related to the burner's performance and flame.

Section 4. Maintenance

Care and Maintenance

General guidelines for routine care and upkeep of the heater to ensure longevity.

Winter Operation

Instructions for properly shutting down and winterizing the heater to prevent freeze damage.

Chemical Balance

Importance of maintaining proper water chemistry for heater performance and longevity.

Section 5. Replacement Parts

MasterTemp® 125 Heater Replacement Parts

An overview of available replacement parts for the MasterTemp 125 heater.

Repair Parts – Burner System

Lists and identifies replacement parts for the burner system of the heater.

Repair Parts – Water System

Lists and identifies replacement parts for the water system components of the heater.