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OPERATION & INSTALLATION MANUAL
120/240 VAC NATURAL GAS/LP GAS
MODELS
175K BTU/HR
200K BTU/HR
250K BTU/HR
250K BTU/HR (HD)
300K BTU/HR
400K BTU/HR
400K BTU/HR (HD)
400K BTU/HR (ASME) 460775
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 store or use gasoline or other flammable vapors and liquids in the vicinity of this
heater or other appliances.
•
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.
For additional free copies of this manual; call (800) 831-7133.
Rev. C 10-5-07
MasterTemp
Pool & Spa Heater
Natural Propane
460792
460793
460730
460731
460732
460733
460806
–
460734
460735
460736
460737
460805
–
460776
WARNING
WHAT TO DO IF YOU SMELL GAS
Pentair Water Pool and Spa, Inc.
1620 Hawkins Ave., Sanford, NC 27330
10951 W. Los Angeles Ave., Moorpark, CA 93021
®
(919) 566-8000
•
(805) 553-5000
•
1
1
1
Consumer
Retain For
Future
Reference
P/N 472592
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Table of Contents
Troubleshooting
Related Manuals for Pentair Pool Products 175K BTU/HR
Summary of Contents for Pentair Pool Products 175K BTU/HR
- Page 1 MasterTemp ® Pool & Spa Heater OPERATION & INSTALLATION MANUAL 120/240 VAC NATURAL GAS/LP GAS MODELS Natural Propane Consumer Retain For 175K BTU/HR 460792 460793 Future 200K BTU/HR 460730 460731 Reference 250K BTU/HR 460732 460733 250K BTU/HR (HD) 460806 –...
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Page 2: Customer Service
This document is subject to change without notice. Trademarks and Disclaimers: The Pentair Pool Products logo and MasterTemp are registered trademarks of Pentair Water Pool and Spa, Inc. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. -
Page 3: Table Of Contents
Table of Contents Section 1. Heater Identification Information ............... Section 2. Introduction ......................Important Notices ....................................Warranty Information .................................... Code Requirements ....................................Consumer Information and Safety Information ............................6 - 8 General Specifications ..................................Section 3. Installation ......................Heater Description ....................................Putting the Heater into Service ................................ -
Page 4: Section 1. Heater Identification Information
Section 1. Heater Identification Information Heater Identification Information To identify the heater, see rating plate on the inner front panel of the heater. There are two designators for each heater, one is the Model Number and the other is the Heater Identification Number (HIN). a. -
Page 5: Section 2. Introduction
Section 2. Introduction Introduction ® MasterTemp Pool and Spa Heater Congratulations on your purchase of a MasterTemp high performance heating system. Proper installation and service of your new heating system and correct chemical maintenance of the water will ensure years of enjoyment. The MasterTemp is a compact, lightweight, efficient, induced-draft, gas fired high performance pool and spa heater that can be directly connected to schedule 40 PVC pipe. -
Page 6: Code Requirements
Section 2. Introduction CODE REQUIREMENTS Installation must be in accordance with all local codes and/or the latest edition of the National Fuel Gas Code, ANSI Z223.1/NFPA54 and the National Electrical Code, ANSI/NFPA70 (U.S.), or standards CSA B149 – INSTALLATION CODES FOR GAS-BURNING APPLIANCES AND EQUIPMENT and/or local codes and Standard CSA C22.1 – Canadian Electrical Code, Part 1 (Canada). -
Page 7: Safety Information
Section 2. Introduction SAFETY INFORMATION ® The MasterTemp pool heaters are designed and manufactured to provide many years of safe and reliable service when installed, operated and maintained according to the information in this manual. Throughout the manual, safety warnings and cautions are identified by the “... -
Page 8: General Specifications
Section 2. Introduction SAFETY INFORMATION, (cont’d.) WARNING — Risk of asphyxiation if exhaust is not correctly vented. Follow venting instructions exactly when installing heater. Do not use a drafthood with this heater, as the exhaust is under pressure from the burner blower and a draft hood will allow exhaust fumes to blow into the room housing the heater. -
Page 9: Section 3. Installation
Section 3. Installation Installation Instructions HEATER DESCRIPTION Figure 1 is a diagram of the heater showing how it operates. Precisely matched orifice plates meter the air and gas into the mixer. The blower draws the air and gas through the mixer and forces it into the burner’s flame holder. -
Page 10: Specifications
Section 3. Installation SPECIFICATIONS These installation instructions are designed for use by qualified personnel only, trained especially for installation of this type of heating equipment and related components. Some states require installation and repair by licensed personnel. If this applies in your state, be sure your contractor bears the appropriate license. See Figure 2 for Outdoor and Indoor Installations. -
Page 11: Plumbing Connections
Section 3. Installation PLUMBING CONNECTIONS The MasterTemp heater has the unique capability of direct schedule 40 PVC 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 3 for plumbing connections. -
Page 12: Water Connections
Section 3. Installation WATER CONNECTIONS 3-Way Chlorinator Valve The heater requires proper water flow and pressure for its operation. See Figure 5 for the recommended installation. The filter pump discharges to the filter, the filter discharges Check Valve to the heater, and the heater discharges directly to the pool or spa. -
Page 13: Gas Connections
Section 3. Installation GAS CONNECTIONS GAS LINE INSTALLATIONS Before installing the gas line, be sure to check which gas the heater has been designed to burn. This is important because different types of gas require different gas pipe sizes. The rating plate on the heater will indicate which gas the heater is designed to burn. -
Page 14: Gas Pipe Sizing
Section 3. Installation GAS PIPE SIZING Table 2. ) . t l a r ” 2 ” 4 ” 1 / 1 - ” 4 / 1 - ” 2 ” 2 / 1 - ” 2 ’ 0 ’ 0 ’... -
Page 15: Testing Gas Pressure/Gas Pressure Requirements
Section 3. Installation TESTING GAS PRESSURE Before 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. The heater and its individual shut-off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1/2 psig (3.5 kPa). -
Page 16: Outdoor Installation
Section 3. Installation OUTDOOR INSTALLATION (U.S. and Canada) For heaters located outdoors, using the built-in stackless venting system. WARNING Risk of explosion if a unit burning propane gas is installed in a pit or other low spot. Propane is heavier than air. Do not install the heater using propane in pits or other locations where gas might collect. -
Page 17: Outdoor Installation Venting Guidelines
Section 3. Installation OUTDOOR INSTALLATION VENTING GUIDELINES SIDE VIEW Property Line 4 ft. Window Force Air Inlet 4 ft. Exhaust Grill (Vent) Building Vent Termination: Must be at least 3 ft. above any forced air inlet located within a 10 ft. radius. Must be located 4 feet away from the building wall openings, and at the following distances away from any door, window, or gravity air inlet:... -
Page 18: Indoor Venting-General Requirements (Category I & Category Iii - Clarification)
Section 3. Installation INDOOR VENTING — General Requirements The heater may be installed as a Category I or Category III appliance. Vented Appliance (Category I) – Vertical only An appliance that operates with a nonpositive vent static pressure and with a vent gas temperature that avoids excessive condensate production in the vent, see pages 20-22. -
Page 19: Combustion Air Supply
Section 3. Installation COMBUSTION AIR SUPPLY Air Supply Requirements Guide for MasterTemp Heaters For indoor installation, the heater location must provide sufficient air supply for proper combustion and ventilation of the surrounding area. The minimum requirements for the air supply specify that l l A i d l l l A... -
Page 20: Vent Installation (Indoor Installation For U.s. Or Outdoor Shelter For Canada)
Section 3. Installation VENT INSTALLATION – INDOOR INSTALLATION (U.S.) OR OUTDOOR SHELTER (CANADA) (Category I) NOTE *: Vent must be at least eight (8) feet away from nearest vertical surface. Vents extending five (5) feet or Always vent the heater to the outdoors, see Note*. more above the roof must be braced or guyed. - Page 21 Section 3. Installation 2. Install the metal Flue Collar in the Vent Body of the heater (located under the outside vent cover). Fasten the metal Flue Collar to the Vent Listed Termination Body with two #10 sheet metal screws. Use Min.
- Page 22 Section 3. Installation 4. Install vent pipe so that it can expand and contract freely as the temperature changes. Support the vent pipe according to applicable codes and the vent manufacturer’s instructions. Pipe support must allow the vent pipe free movement out and back, from side to side, or up and down as necessary, without putting a strain on the heater or vent body.
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Page 23: Horizontal Or Vertical Venting - Positive Pressure
Section 3. Installation HORIZONTAL OR VERTICAL VENTING - POSITIVE PRESSURE (See Figures 14, 15, and (Category III) Vent the heater either horizontally or vertically using an optional vent adapter of the 4-inch special gas approved Category III vent pipes. Install the vent pipe in accordance with local codes and the provisions of the National Fuel Gas Code, ANSI Z223.1 (U.S.), or the standards CSA B149.1, Natural Gas and Propane Installation Codes (Canada), and the vent manufacturer’s instructions. - Page 24 Section 3. Installation WARNING Risk of carbon monoxide poisoning if adapter is improperly attached. Mechanical connections (such as screws) can cause cracking and leaks in the adapter. Do NOT drill holes or use screws to connect the appliance adapter to the heater vent body.
- Page 25 Section 3. Installation Max. 12" 4' Min. 4' Min. Min. 3" Vent Vent Termination Termination Vent 4' Min. Termination 1' Min. 4' Min. At least 7' above grade adjacent 1' Minimum Gas Meter to public above snow or Forced Air walkways finished grade Inlet...
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Page 26: Outdoor Shelter Vent Installation
Section 3. Installation OUTDOOR SHELTER INSTALLATION In Canada, this pool heater can only be installed outdoors or in an enclosure that is not normally occupied and has no direct openings into occupied areas. WARNING Risk of asphyxiation if exhaust is not correctly vented. Follow venting instructions exactly when installing heater. Do not use a draft hood with this heater, as the exhaust is under pressure from the burner blower and a draft hood will allow exhaust fumes to blow into the room housing the heater. -
Page 27: Control Panel Indexing
Section 3. Installation CONTROL PANEL INDEXING On an outdoor shelter installation, the exhaust discharges into a vent pipe. Top Panel Orient the heater so that the vent pipe does not interfere with adjustment of the Door operating controls. The control panel located on the top panel can be rotated to Access Panel any of the three sides of the heater for easy access, see... -
Page 28: Electrical Connections
Section 3. Installation ELECTRICAL CONNECTIONS Electrical Rating 60 Hz 120 / 240 Volts AC, single phase Enclose the line to the heater in an approved flexible conduit connected directly to the junction box on the inside of the access door panel. Line voltage field wiring should be 14 gauge, with a circuit capacity of 15 amps. CAUTION This heater is designed to operate at 120 or 240 VAC. -
Page 29: Fireman's Switch Connection/Remote Control Connections
Section 3. Installation CONNECTION OF FIREMAN’S SWITCH OR REMOTE CONTACT CAUTION If, while there is line voltage connected to the heater, you touch either line voltage terminal with any 24VAC wire that is connected to the control board (including the Fireman’s Switch jumper), you will immediately destroy the control board and void the warranty. -
Page 30: Mastertemp Wiring Diagram
Section 3. Installation MASTERTEMP WIRING DIAGRAM (3-WIRE SYSTEM) CONNECTION DIAGRAM AGS Switch Air Flow Switch Stack Flue Sensor Extra Switch 1 Y/BL Gas Valve Hi-Limit Switch Pressure Switch NA/LP Models Only Y/BL OPERATING CONTROL MEMBRANE PAD CONNECTION JMP3 External Control Interface Circuit Disabled, Heater Membrane Pad Enabled Spa Line Common Line... -
Page 31: Electrical Schematic Ladder Diagram
Section 3. Installation MASTERTEMP ELECTRICAL SCHEMATIC LADDER DIAGRAM LADDER DIAGRAM 120/240 IGNITER BLOWER 120/240 CLASS II TRANSFORMER 24 VAC OPERATING CONTROL 24 VAC 24 VAC FLOW LOGIC SWITCH WATER PRESSURE LIMIT SWITCH SWITCH COM NO SWITCH GAS VALVE STACK FLUE THERMISTOR SENSOR SENSOR... -
Page 32: Section 4. Operation
Section 4. Operation 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. -
Page 33: Operating
Section 4. Operation OPERATING INSTRUCTIONS 1. STOP! Read the safety information on (page 32). Water Pressure Switch 2. Set both pool and spa thermostats to the lowest settings. 3. Turn off all electric power to the appliance. 4. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. -
Page 34: Safety Controls
Section 4. Operation SAFETY CONTROLS Figure 27. AIR FLOW SWITCH (AFS) The air flow switch, (see Figure 27), 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. - Page 35 Section 4. Operation SAFETY CONTROLS, (cont’d.) Diagnostic LED Flame Current 1 Flash - Air Flow Fault Check Point 2 Flashes - Flame No Call for Heat OPERATION OF IGNITION MODULE 3 Flashes - Ignition Lockout , (see Figure 30), The Ignition Module is microprocessor based and operates on 24VAC supplied by the transformer.
- Page 36 Section 4. Operation TEMPERATURE SETTING The heater comes factory set at 78° F. for the pool mode and 100° F. for the spa mode. Using the up and down arrows, you can set the thermostats to a minimum temperature of 65° F., or a maximum of 104° F. If you desire to heat only one body of water, the thermostat is capable of an off mode.
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Page 37: Section 5. Troubleshooting
Section 5. Troubleshooting Troubleshooting Instruction 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 38: Heater Will Not Fire Troubleshooting
Section 5. 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 correct 12-pin Check for line voltage to Restore power to heater. - Page 39 Section 5. Troubleshooting Heater Will Not Fire - B Start Increase POOL/SPA tempera- Is red “SERVICE Is red “SERVICE SYSTEM” ture setting on Membrane HEATER” LED “on” LED on? Pad above actual water tem- perature. Heater should fire on demand for heat. If not, Verify that pump is on, filter is and no other red LED’s light, not blocked, and the water...
- Page 40 Section 5. Troubleshooting Heater Will Not Fire - C Start Is “SERVICE 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 times.
- Page 41 Section 5. Troubleshooting Heater Will Not Fire - D IMPORTANT! READ ME FIRST! IMPORTANT! READ ME FIRST!! If your heater is correctly connected to 240 Volts AC, the meter will read either 0 VAC or 240 VAC. If your ICM is good, your meter will read some voltage between 0 and Ignition Control Module (ICM) will convert the 240VAC to an intermittent pulse to the ignitor.
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Page 42: Led Diagnostics
Section 5. Troubleshooting 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 43 Section 5. 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 450˚–500˚ in 3–5 Check Thermal minutes. Regulator: Open at 120˚? Replace Heater (HD ) Membrane Pad.
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Page 44: Burner / Heat Exchanger Troubleshooting
Section 5. 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 15 and verify that the gas regulator setting is –0.2" (–0.5cm) wc. Contact a qualified technician or service agency to replace the gas orifice. -
Page 45: Section 6. Maintenance
Section 6. Maintenance Maintenance Instructions CARE AND MAINTENANCE WARNING 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. The following maintenance is recommended every six months and at the start of every swimming season: 1. -
Page 46: After Start-Up
Section 6. Maintenance 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 33, 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 47: Maintaining Pool Temperature
Section 6. Maintenance MAINTAINING POOL TEMPERATURE To maintain pool temperature, make sure that the heater switch and valving are reset to pool settings after using the spa. ENERGY SAVING TIPS 1. Keep the pool or spa covered when not in use. This will reduce heating costs, reduce water evaporation, conserve chemicals and reduce load on the filtering system. -
Page 48: Chemical Balance
Section 6. Maintenance CHEMICAL BALANCE, (cont’d.) 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. A test kit for measuring pH balance of your pool water is available from your local pool supply store;... -
Page 49: Replacement Parts
MASTERTEMP REPLACEMENT PARTS For complete Electrical System parts breakdown (Key Nos. 1 through 4), See Page 53 For complete Burner System parts breakdown (Key Nos. 5 through 7), See Page 51 For complete Water System parts breakdown (Key Nos. 8 through 9), see Page 52 Repair Parts are available from your Pentair dealer. - Page 50 MASTERTEMP REPLACEMENT PARTS For Heater mounting bolts and clamps, purchase separately Bolt Down Bracket Kit, Part No. 460738. Lead Anchor P/N 472592 Rev. C 10-5-07...
- Page 51 MASTERTEMP REPLACEMENT PARTS REPAIR PARTS – BURNER SYSTEM Model Part 175NA 200NA 250NA 300NA 400NA Qty. Description 175LP 200LP 250LP 300LP 400LP Combination Gas Control Valve Kit 42001-0051S 42001-0051S 42001-0051S 42001-0051S 42001-0051S 3/4" Union 38404-4097S 38404-4097S 38404-4097S 38404-4097S 38404-4097S Gas Orifice Gas Orifice O-Ring •...
- Page 52 MASTERTEMP REPLACEMENT PARTS REPAIR PARTS – WATER SYSTEM Model Part 175NA - 200NA 250NA 300NA 400NA Description Qty. 175LP - 200LP 250LP 300LP 400LP Tube Sheet Coil Assembly Kit (NA, LP Series) (Includes Key No.3) 77707-0232 460747 77707-0233 77707-0234 Tube Sheet Coil Assembly Kit (NA – HD Series) (Includes Key No.3) –...
- Page 53 MASTERTEMP REPLACEMENT PARTS REPAIR PARTS – ELECTRICAL SYSTEM Model Part 175NA - 200NA 250NA 300NA 400NA Description Qty. 175LP - 200LP 250LP 300LP 400LP Heater Display Cover 42002-0035 42002-0035 42002-0035 42002-0035 Igniter Bracket 42001-0030S 42001-0030S 42001-0030S 42001-0030S Igniter/Igniter Gasket Kit Incl. Key Nos. 3 and 4) 77707-0054 77707-0054 77707-0054...
- Page 54 NOTES P/N 472592 Rev. C 10-5-07...
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Page 55: Rev. C 10-5-07 P/N
NOTES Rev. C 10-5-07 P/N 472592... -
Page 56: Save These Instructions
SAVE THESE INSTRUCTIONS Pentair Water Pool and Spa, Inc. 1620 Hawkins Ave., Sanford, NC 27330 (800) 831-7133 or (919) 566-8000 • 10951 W. Los Angeles Ave., Moorpark, CA 93021 (800) 831-7133 or (805) 553-5000 • P/N 472592 Rev. C 10-5-07...
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