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MASTERTEMP
INSTALLATION AND USER'S GUIDE
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. For additional free copies of this
manual; call USA (800) 831-7133
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. For indoor installations, as an additional measure of safety, Pentair
Aquatic Systems strongly recommends installation of suitable Carbon Monoxide Detectors in the vicinity of this
appliance and in any adjacent occupied spaces. Improper installation and/or operation will void the warranty.
Models
Natural Gas
(240 VAC)
(G20, G25)
461078
MT125, EURO
MT125HD, EURO
460902
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.
NOx CLASS 5
FOR YOUR SAFETY
•
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 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.
FOR
YOUR
SAFETY
Pentair Water Pool and Spa, Inc. EMEA – Head Office: Industriepark, Wolfstee, Toekomstlaan 30, 2200 Herentals - Belgium.
Pentair Water Pool and Spa, Inc. USA
www. pentaireurope.com - www.pentairwater.com.au - www.pentairpool.com - www.staritepool.com
125 POOL AND SPA EURO
™
Propane Gas
COUNTRY OF DESTINATION:
(G31)
461079
460903
WHAT TO DO IF YOU SMELL GAS
•
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.
DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity
of this or other appliances.
– 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
GB, BE, FR, DE
MasterTemp Pool and Spa Heater Installation and User's Guide
1 1
OWNER:
Retain For
Future
Reference
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Table of Contents
Troubleshooting
Related Manuals for Pentair MASTERTEMP MT125HD
Summary of Contents for Pentair MASTERTEMP MT125HD
- Page 1 DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity of this or other appliances. Pentair Water Pool and Spa, Inc. EMEA – Head Office: Industriepark, Wolfstee, Toekomstlaan 30, 2200 Herentals - Belgium. Pentair Water Pool and Spa, Inc. USA –...
- Page 2 READ THE TECHNICAL INSTRUCTIONS BEFORE INSTALLING THIS APPLIANCE. READ THE INSTALLATION AND USER’S GUIDE BEFORE LIGHTING THIS APPLIANCE. MASTERTEMP POOL HEATER ™ DESIGN AND MANFACTURED BY PENTAIR WATER POOL AND SPA, INC. TYPE G23 MODEL NO. THIS HEATER IS EQUIPPED TO BURN SERIAL NO.
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Page 3: Table Of Contents
Contents | Contents Technical Data / Heater Identification Information (HIN) .................... ii - iii Code Requirements / References ..........................Consumer Information and Safety / Warnings and Safety Instructions / General Specifications ........ v - vii Section 1. Operations ..........................Overview / Important Notices / Warranty Information ..................Using the Heater’s Control Panel ......................... -
Page 4: Technical Data / Heater Identification Information (Hin)
Heater Data Rating Plate Location Top Panel Door Acess Panel Door Acess Panel MASTERTEMP POOL HEATER ™ DESIGN AND MANFACTURED BY PENTAIR WATER POOL AND SPA, INC. TYPE G23 MODEL NO. THIS HEATER IS EQUIPPED TO BURN SERIAL NO. INPUT RATE GAS SUPPLY PRESSURE:... -
Page 5: Code Requirements / References
Code Requirements / References | CODE REQUIREMENTS / REFERENCES Gas Safety (Installation and Use) Regulations, (as amended). It is the law that all gas appliances are installed by a competent person (e.g. a CORGI registered operative) in accordance with Regulations. Failure to install appliances correctly could lead to prosecution. -
Page 6: Consumer Information And Safety / Warnings And Safety Instructions / General Specifications
| Code Requirements / References CONSUMER INFORMATION AND SAFETY THE MASTERTEMP HEATER IS CLASSIFIED AS A CLASS 5 LOW NOX BOILER. WARNING Should overheating occur or the gas supply fail to shut off, turn off the manual gas control valve to the heater. Do not use this heater if any part has been under water. - Page 7 Do not attempt to alter the rated input or type of gas by changing the orifice. If it is necessary to convert to a different type of gas, consult your Pentair dealer.
- Page 8 vii | Warnings and Safety Instructions WARNINGS AND SAFETY INSTRUCTIONS (continued) WARNING — Risk of fire or explosion from flammable vapors. Do not store gasoline, cleaning fluids, varnishes, paints, or other volatile flammable liquids near heater. WARNING — Risk of explosion if unit is installed near G31 gas storage. G31 gas is heavier than air. Consult local codes and fire protection authorities about specific installation requirements and restrictions.
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Page 9: Section 1. Operations
If you need more information or if you have any questions regarding to this pool heater, please contact Pentair Water Pool and Spa, Inc. EMEA – Head Office: Industriepark, Wolfstee, Toekomstlaan 30, 2200 Herentals - Belgium or Pentair Water Pool and Spa, USA – at (800) 831-7133 • (919) 566-8000 • (805) 553-5000. WARRANTY INFORMATION The MasterTemp pool heater is sold with a limited factory warranty. -
Page 10: Using The Heater's Control Panel
| Section 1. Overview (Operator Control Panel) USING THE HEATER’S CONTROL PANEL Temperature Digital Temperature Up and Down Display System Operation Dual Temperature Heater "OFF" Indicator Lights Controls Switch The MasterTemp heater controls are as follows: POOL ON Press this button to control the heater operation by the pool temperature setting. SPA ON Press this button to control the heater operation by the spa temperature setting. -
Page 11: Operating Instructions / Basic System Operation
Section 1. Operation Instructions Section 1: Operation Instructions BASIC SYSTEM OPERATION Start pump, make sure the pump is running and is primed, to close the water pressure switch and supply power to heater. Be sure the pool and/or spa is properly filled with water. Follow the Lighting/Operating instructions below. MASTERTEMP HSI ELECTRONIC IGNITION LIGHTING/OPERATION FOR YOUR SAFETY: READ BEFORE LIGHTING WARNING... -
Page 12: Operating Instructions
| Section 1. Operation Instructions OPERATING INSTRUCTIONS 1. STOP! Read the safety information on (page v - vii). 2. Set both pool and spa thermostats to the lowest settings. Manual 3. Turn off all electric power to the appliance. Shut-off Valve 4. -
Page 13: Safety Controls: Air Flow Switch (Afs) / Water Pressure Switch / Height Limit Devices
Section 1. Operation Instructions SAFETY CONTROLS AIR FLOW SWITCH (AFS) The air flow switch, (see Figure 2), is a safety device used to insure that the combustion air blower (fan) is operating and has been designed to monitor the vacuum (negative) pressure within the blower housing. The air flow switch is factory set and is connected upstream of the ignition module. -
Page 14: Operation Of Ignition Module
| Section 1. Operation Instructions SAFETY CONTROLS, Diagnostic LED (continued) 1 Flash - Air Flow Fault Flame Current 2 Flashes - Flame No Call Check Point OPERATION OF IGNITION MODULE For Heat 3 Flashes - Ignition Lockout , (see Figure 5), The Ignition Module is microprocessor based and operates on 24VAC supplied by the transformer. -
Page 15: Section 2. Installation
IN POOL HEATER INSTALLATION. THE MASTERTEMP HEATER IS INTENDED FOR INSTALLATION WITH A METERED GAS PRESSURE REGULATOR. Pentair strongly recommends that all vents, pipes and exhaust systems be initially and periodically tested for proper operation. This testing can be accomplished by using a hand-held carbon monoxide meter and/or by consulting with a gas professional. -
Page 16: Putting The Heater Into Service
| Section 1. Installation PUTTING THE HEATER INTO SERVICE If the heater is installed below the level of the pool, or more than 0.6 meters (2 feet) above pool level, the pressure switch setting should be adjusted. See “WATER PRESSURE SWITCH” in the “SAFETY CONTROLS Section” (page 5) and the “CAUTION”... -
Page 17: Plumbing Connections
The MasterTemp™ heater has the capability of direct PVC water piping plumbing connections. A set of bulkhead fittings is included with the MasterTemp to insure conformity with Pentair’s recommended PVC plumbing procedure. Other plumbing connections can be used. See Figure 11 for plumbing connections. -
Page 18: Water Connections
| Section 2. Installation WATER CONNECTIONS 3-Way Chlorinator Valve The heater requires proper water flow and pressure for its operation. See Figure 12 for the recommended installation. Check Valve The filter pump discharges to the filter, the filter discharges to the heater, and the heater discharges directly to the pool or spa. -
Page 19: Gas Connections
Section 2. Installation GAS CONNECTIONS GAS LINE INSTALLATIONS The gas supply must be installed in accordance with the European Standard Codes of Practice for gas installation as applicable and all applicable local codes. THE MASTERTEMP HEATER IS INTENDED FOR INSTALLATION WITH A METERED GAS PRESSURE REGULATOR. Before installing the gas line, be sure to check which gas the heater has been designed to burn. -
Page 20: Testing Gas Leaks And Gas Pressure
| Section 2. Installation TESTING GAS LEAKS GAS PRESSURE Before THE MASTERTEMP HEATER IS INTENDED FOR INSTALLATION WITH A METERED GAS PRESSURE REGULATOR. operating the heater, the heater and its gas connections must be leak tested. Do NOT use an open flame to test for leaks. Test all gas connections for leaks with soapy water. -
Page 21: Outdoor Installation / Heater Clearances
Section 2. Installation OUTDOOR INSTALLATION For heaters located outdoors, using the built-in stackless venting system. DANGER CARBON MONOXIDE GAS IS DEADLY – Exhaust from this pool heater contains carbon monoxide, a dangerous, poisonous gas you cannot see or smell. Symptoms of carbon monoxide exposure or poisoning include dizziness, headache, nausea, weakness, sleepiness, muscular twitching, vomiting and inability to think clearly. - Page 22 | Section 2. Installation HEATER CLEARANCES – OUTDOOR IMPORTANT! • In an outdoor installation it is important to ensure water is diverted from overhanging eves with a proper gutter/drainage system. The heater must be set on a level foundation for proper drainage. •...
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Page 23: Indoor Venting-General Requirements / Heater Clearances / Outside Vent Removal )
European Standard Codes of Practice as applicable, and any local codes that may apply. These openings shall directly, or through duct, connect to outdoor air. Pentair Water Pool and Spa, Inc. does not recommend indoor installations that do not provide combustion Side air from outside the building. -
Page 24: Vent Installation (Indoor Installation Or Outdoor Shelter) - Vertical Venting
For indoor heater installations where combustion air supply might be insufficient, the MasterTemp Heater 125 is certified for a direct air intake duct using a 76 mm (3 in - UK) PVC pipe (Pentair P/N 461031). If outside air is drawn through the PVC duct directly into the heater, the PVC pipe can be installed in accordance with the following requirements: The air intake opening MUST be installed at least 30.5 cm (12 in.) above the roof line or normal snow levels for free air flow. -
Page 25: Horizontal Or Vertical Venting - Using Single-Wall Stainless Gas Vent
Section 2. Installation HORIZONTAL OR VERTICAL VENTING - USING SINGLE-WALL STAINLESS GAS VENT (SEE FIGURE 22, 23, & 24 ON PAGE 19 Vent the heater either horizontally or vertically using an optional vent adapter of the 150 (6 in) or 102 mm (4 in) special gas approved stainless steel vent pipes. -
Page 26: Connecting Single-Wall Stainless Steel Vent To The Heater
CI. - Part No. 77707-0087 for Z-Vent. (UK only). To order ® t® this optional adapter kit, please contact Pentair sales at Industriepark, Wolfstee, Toekomstlaan 30, 2200 Herentals - Belgium. 2. Remove the outside vent cover. 3. Install the Appliance Adapter in the Vent Body of the heater (located under the outside Vent Cover). Before connecting the Appliance Adapter to the Vent Body, wet a clean cloth or paper towel with isopropyl alcohol (rubbing alcohol) and vigorously wipe the socket of the Vent Body. - Page 27 Side Inlet Air Wall Vent Opening Section 2. Installation Chimney or Gas Vent Vent Cap and Chimney or Gas Vent Vent Cap and Riser Furnished Riser Furnished by Installer by Installer Outlet Air Opening Outlet Air Opening Side Inlet Air Side Wall Vent Inlet Air Opening...
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Page 28: Corrosive Vapors And Possible Causes
2. Installation | Section Corrosive Vapors and Possible Causes Area Likely Contaminants Chlorinated swimming Pool or spa cleaning chemicals. Acids, such as hydrochloric or muriatic acid. pools and spas New construction and Glues and cements, construction adhesives, paints, varnishes, and paint and remodeling areas varnish strippers. -
Page 29: Electrical Connections
Section 2. Installation ELECTRICAL CONNECTIONS Electrical Rating 50 Hz 240 Volts AC, single phase. CAUTION This heater is designed to operate at 240 VAC. It is not recommended to be connected to OR operate on a 208 VAC. NOTE If any of the original wiring supplied with this heater must be replaced, installer must supply (1.16 mm, 600V, 105°... -
Page 30: Fireman's Switch Connection/Remote Control Connections
1. Switch off power to heater at main circuit breaker panel. 2. Unbolt and remove the access door panels. 3. Open control box cover (see Figure 28). 4a. To connect a 2-Wire Control (such as Pentair’s IntelliTouch or EasyTouch Control Systems) or a timer: ™... -
Page 31: Mastertemp Wiring Diagram / Electrical Schematic Ladder Diagram
Section 2. Installation MASTERTEMP WIRING DIAGRAM (3-WIRE SYSTEM) CONNECTION DI AGRA M AGS Switc h Air Flow Switch Stack Flue Senso r Extra Switch 1 Gas Valve Y/BL Hi-Limit Switch Pressure Switch NA/LP Models Only Y/BL OPER ATING CONT RO L MEMBRANE PAD CONNECTION AG S... - Page 32 | Section 2. Installation MASTERTEMP WIRING DIAGRAM (3-WIRE SYSTEM) LADDER DI AGRA M IGNITER BLOWE R CLASS II TRANSFORMER 24 VAC OPER ATING CONT RO L 24 VAC 24 VAC FLOW LOGIC SWITCH WATE R LIMIT PRESSURE SWITCH SWITCH COM NO AG S INLET TEMPERATURE SWITCH...
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Page 33: Section 3. Troubleshooting
Section 3. Troubleshooting Section 3: Troubleshooting Initial Troubleshooting Only qualified, trained service technicians with appropriate test equipment should service the heater. Remember that all parts of the system affect heater operation. Before starting this troubleshooting procedure, make sure that the pump is running correctly, that there are no blockages in the system, that the valves are correctly set and that the time clock is correctly set and is running. - Page 34 | Section 3. Troubleshooting Heater Will Not Fire - A Start Depress “POOL” or “SPA” ON Heater should fire on demand Is green “SPA” or button on Membrane Pad. for heat. “POOL” LED “on” Does “POOL” or “SPA” LED come on? Check that the 12-pin YE S Check for line v oltage to...
- Page 35 Section 3. Troubleshooting Heater Will Not Fire - B Start Increase POOL/SP A tempera- Is red “SER VICE Is red “SER VICE SYSTEM” ture setting on Membrane HEATER” LED “on” LED on? Pad above actual water tem- perature. Heater should fire on demand for heat.
- Page 36 | Section 3. Troubleshooting Heater Will Not Fire - C Start Is “SER VICE HEATER” LED Go to “INITIAL “on”? TROUBLESHOOTING” Turn off power to heater for 5 seconds, Continue to observe heater and turn back on. for several minutes. Cycle Make sure tempera- heater on and off several ture setting is above...
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Page 37: Heater Will Not Fire Troubleshooting (A, B, C, D)
Section 3. Troubleshooting Heater Will Not Fire - D IMPORTANT! READ ME FIRST! IMPO RTANT! READ ME FIRST! ! If your heater is correctly connected to 240 Volts AC, the meter will read either 0 VA C or 240 VAC. If your ICM is good, your meter will read some voltage between 0 and Ignition Control Module (ICM) will convert the 240V AC to an intermittent pulse to the ignitor. -
Page 38: Led Diagnostics (Ags, Afs, Hls, Ps Thermistor)
3. Troubleshooting | Section Diagnostic LED's: AGS, AFS, HLS, PS, THERMISTOR Verify that water flow rate is Service pump and filter to AGS or HLS "on" above minimum required for restore proper flow. After ser- heater. vicing, verify proper operation Replace High Limit of Pressure Switch (PS). - Page 39 Section 3. Troubleshooting Diagnostic LED's: SFS SFS "on" Check Heat Exchanger Coil for leaks, liming, soot, or low flow. Heater starts and runs OK, but temperature of exhaust climbs to 204°–260°C in Check Thermal 3-5 minutes. Regulator: Open at 48.9°C? Replace Heater YE S (HD )
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Page 40: Burner / Heat Exchanger Troubleshooting
| Section 3. Troubleshooting Burner Troubleshooting SYMPTOM CAUSE REMEDY Loud, high-pitched whine. Flame is too rich. Verify pressure tap between gas valve and blower inlet. See page 10 and verify that the gas regulator setting is 1.1 ± 0.5 mbar. Contact a qualified technician or service agency to replace the gas orifice. -
Page 41: Section 4. Maintenance Instructions
Section 4. Maintenance Instructions Section 4: Maintenance Instructions CARE AND MAINTENANCE WARNING DO NOT interfere with any sealed components. This must be done by a qualified service professional. RISK OF FIRE or explosion from flammable vapors. Do not store gasoline, cleaning fluids, varnishes, paints, or other volatile flammable liquids near heater or in the same room with heater. -
Page 42: After Start-Up
4. Maintenance Instructions | Section AFTER START-UP CHECKING WATER FLOW WARNING Fire or flooding hazard. If the unit overheats and the burner fails to shut off, follow instructions under “To Turn Off Gas to the Appliance”, page 4, and call a qualified service technician to repair unit. After start-up, the outlet water pipe should feel slightly warmer than the inlet pipe. -
Page 43: Maintaining Pool Temperature / Energy Saving Tips
CHEMICAL BALANCE POOL AND SPA WATER Your Pentair pool heater was designed specifically for your spa or pool and will give you many years of trouble-free service, provided you keep your water chemistry in proper condition. Water chemistry should follow good swimming pool water chemistry practices. When using a chlorinator, install it down stream from the heater and at a lower level than the heater outlet. -
Page 44: Chemical Balance
4. Maintenance Instructions | Section CHEMICAL BALANCE, (continued) It is wise to test pool water regularly. Never allow chlorine residual to drop below 0.6 ppm (parts per million). The minimum level for effective chlorine or bromine residual is 1.4 ppm. pH - The term pH refers to the acid/alkaline balance of water expressed on a numerical scale from 0 to 14. -
Page 45: Section 5. Replacement Parts
See Page 37 For complete Water System parts breakdown (Key Nos. 8 through 9), see Page 38 Repair Parts are available from your Pentair dealer, or call Customer Support at 1-800-831-7133 US. MasterTemp 125 Pool and Spa Heater Installation and User’s Guide... - Page 46 5. Replacement Parts | Section REPLACEMENT PARTS MasterTemp 125 Pool and Spa Heater Installation and User’s Guide...
- Page 47 Section 5. Replacement Parts REPLACEMENT PARTS REPAIR PARTS – BURNER SYSTEM Model Part MT125 NA MT125 LP Qty. Description Combination Gas Control Va lve Kit 474133Z 3/4" Union 38404-4097S G as Orifice G as Orifice O-Ring • Gas Orifice Kit – NG (Incl. Key Nos. 3 and 4)** 475131 •...
- Page 48 5. Replacement Parts | Section REPLACEMENT PARTS REPAIR PARTS – WATER SYSTEM Model Part MT125 NA Description MT125 LP Qty. 475180 Tube Sheet Coil Assembly Kit (HD Cupro-nickle) NA, LP (Includes Key No.3) M anifold Kit (Includes Key Nos. 3-11. Key No.12 and 13 not included.
- Page 49 Section 5. Replacement Parts REPLACEMENT PARTS REPAIR PARTS – ELECTRICAL SYSTEM Part Model 125 (NA/LP) Description Qty. Heater Display Cover 42002-0035Z Igniter Bracket 42001-0030S Igniter/Igniter Gasket Kit Incl. Key Nos. 3 and 4) 77707-0054 Igniter Gasket 42001-0066S Automatic Gas Shutoff Switch (AGS) - Yellow 474368Z High Limit Switch (55°C) - Green 474369Z...
- Page 50 Notes...
- Page 51 Notes...
- Page 52 Notes...
- Page 53 Notes...
- Page 54 United States and/ or other countries. Unless expressly noted, names and brands of third parties that may be used in this document are not used to indicate an affiliation or endorsement between the owners of these names and brands and Pentair Water Pool and Spa, Inc.