Pentair Mastertemp 250 - User Manual

Table of Contents:

• Page 2 – one is the Model Number and the other is the; MT; or; Fuel Type; Section 1. Heater Identification Information; Section 1: Heater Identification Information; HEATER IDENTIFICATION INFORMATION — (HIN); HEATER IDENTIFICATION NUMBER
• Page 3 – SPECIAL INSTRUCTIONS TO OWNER:; in this manual applies to all MasterTemp heater models.; READ AND REVIEW THIS MANUAL COMPLETELY,; it; IMPORTANT NOTICES; For the installer and operator of the MasterTemp heater:; The manufacturer’s warranty may be void if, for any; WARRANTY INFORMATION; Specific details are described on the; CAUTION; Section 2: Warning and Safety Instructions; Section 2. Warning and Safety Instructions; IMPORTANT SAFETY INSTRUCTIONS; READ AND FOLLOW ALL INSTRUCTIONS; SAVE THESE INSTRUCTIONS
• Page 4 – CONSUMER INFORMATION AND SAFETY; a healthy adult. Special caution is suggested for young children.; WARNING; CODE REQUIREMENTS; Canadian; Section 2. Warning and Safety Instructions; DANGER; CARBON MONOXIDE GAS IS DEADLY –; poisonous gas you cannot see or smell.
• Page 5 – SAFETY INFORMATION; The MasterTemp; must be replaced with an identical control.; CARBON MONOXIDE GAS IS DEADLY; TECHNICIAN, QUALIFIED IN POOL HEATER INSTALLATION.
• Page 6 – Risk of fire or explosion from flammable vapors.; flammable gas may result from incorrect servicing.
• Page 7 – GENERAL SPECIFICATIONS; by a solid fence, wall or other permanent barrier.; is a colorless and odorless gas.; factor in reducing carbon monoxide poisoning.
• Page 8 – Customer Service; Contents; Section 1. Heater Identification Information
• Page 9 – Section 7. Replacement Parts
• Page 10 – Section 3. Installation Instructions; Section 3: Installation Instructions; HEATER DESCRIPTION; PS; PUTTING THE HEATER INTO SERVICE
• Page 11 – Section 3. Installation Instructions; SPECIFICATIONS; TOP
• Page 12 – PLUMBING CONNECTIONS; Figure 3 f; WATER CONNECTIONS; ater requires proper water flow and pressure for its; Do not rely on the pressure switch in this case.
• Page 13 – MULTIPLE HEATER INSTALLATION; past end heater inlet; Figure 5. Two MasterTemp® Heaters Plumbing Hydraulic Diagram; Check Valves and Flow Meters; on heater inlets; Balance flow to each heater.; Check Valves and Flow Meters; on heater inlets; Figure 6. Four MasterTemp Heaters Plumbing Hydraulic Diagram
• Page 14 – VALVES; NOT; sanitize the; the feeder and heater.; lock it in place to avoid tampering. See Figure 7.; MODEL; * Do not exceed the maximum recommended flow; * Pumps 2 HP or larger can produce water pressure
• Page 15 – BELOW POOL LEVEL INSTALLATION; service technician. See following; before installation.; BELOW OR ABOVE POOL INSTALLATION; qualified service technician. See page 44, Figure 38; FLOW SWITCH; If the heater is installed more than 5’ above the; ). This in conjunction with an IntelliFlo; Cold Water In
• Page 16 – GAS CONNECTIONS; GAS LINE INSTALLATIONS; National Fuel Gas Code,; Do not use flame to test the gas line.; Use soapy water or another nonflammable method.; NOTE; requirements. Do not use a restrictive gas cock.; FOR NEW HEATER INSTALLATION: SEE NEXT PAGE TO INSTALL; SEDIMENT TRAPS
• Page 17 – Gas Pipe Escutcheon Installation; removed
• Page 18 – GAS PIPE SIZING; PIPE SIZING FOR GAS LINE CONNECTIONS; MAXIMUM EQUIVALENT PIPE LENGTH; STAGE TWO “LOW PRESSURE” GAS PIPE SIZING
• Page 19 – Do NOT use an open flame to test; Risk of fire and explosion.; in; required to maintain proper combustion and must NOT be altered.; TESTING GAS PRESSURE
• Page 20 – OUTDOOR INSTALLATION LOCATED OUTDOORS, USING THE; Propane is heavier than air. Do not; HEATER CLEARANCES – OUTDOOR; • This unit shall not be operated outdoors at temperatures below -20; DO; recommendations for the heater rating.; GAS PRESSURE REQUIREMENTS; Gas Pressure; Minimum Inlet; Manifold
• Page 21 – opening into a building.; If installing the heater next to or near an air; VENTING GUIDELINES; SIDE VIEW
• Page 22 – INDOOR VENTING —; Vertical only; nonpositive; Vertical or Horizontal; positive; DO NOT; HEATER CLEARANCES; Note; OUTSIDE VENT COVER REMOVAL
• Page 23 – Minimum Net Free Open Area for Each Opening*; Model; COMBUSTION AIR SUPPLY; the surrounding area.; Air Supply Requirements Guide for MasterTemp Heaters; Direct Air Intake Duct with 3-inch PVC Pipe (Indoor Installation); Heater is certified
• Page 24 – Corrosive Vapors and Possible Causes; Area; New construction and remodel; fumes which can void the warranty.; MUST BE; be purchased separately. See page 63 for parts list.
• Page 25 – VENT INSTALLATION –; • Vent it vertically using Type “B” double wall vent connector pipe.; VERTICAL VENTING; Do not; use a draft hood with this heater.; Metal Flue Collar; on page 26 to determine allowable vent sizes for your heater.
• Page 26 – Read “VERTICAL VENTING – NEGATIVE PRESSURE” before using this table.
• Page 27 – Install the metal Flue Collar in the Vent Body of the; Continue to next page.
• Page 28 – DO NOT USE VINYL OR
• Page 29 – HORIZONTAL OR VERTICAL VENTING; Each 90° elbow; Do NOT combine exhaust vent pipes to a common; CONNECTING SPECIAL METALIC GAS VENT TO THE HEATER; requires a four (4) inch special gas approved “Category III”; Flue gases under positive pressure may escape into
• Page 30 – Mechanical connections (such as screws) can cause; Attach with manufacturer’s specified adhesive.; manufacturers are mixed.; carefully during assembly and installation.; Vent Termination – Vertical; Continue on next page.
• Page 31 – Vent Termination – Horizontal; , following the vent manufacturer’s instructions; Allow at least three feet (1M) vertical clearance over vent; Avoid corners or alcoves where snow or wind could have
• Page 32 – RAISE AT LEAST; Propane is heavier than air. Do; GARAGE OR UTILITY ROOM INSTALLATION; Combustion air contaminated by corrosive
• Page 33 – CONTROL PANEL POSITIONING; Rotate the top panel to the desired position located at 90° angles.; FINAL INSTALLATION CHECK; manufacturer’s instructions and code requirements.; ELECTRICAL CONNECTIONS; Note: The heater operating AMP draw is
• Page 34 – approved AWM low energy stranded) copper wire or it’s equivalent.; black; clock controlling the filter pump should have a; AC Plug; AC VOLTAGE SELECT PLUGS:
• Page 35 – EXHAUST SIDE; HEATER BONDING
• Page 36 – REMOTE CONTROL CONNECTIONS; Switch off power to heater at main circuit breaker panel.; To connect a 2-Wire Control (such as IntelliTouch; apply line voltage to control board terminals.; M o v e j u m p e r ( a s s h o w n o n F i g u re 3 4 ) t o; To control heaters that are operated in parallel, connect wiring
• Page 37 – the hole in the heater’s side panel.; Note: The conduit or cable connector; Note: Do not let the wires contact the; panel using the four corner wing nuts.; Connecting the MasterTemp; • The heater front panel buttons are inactive. Press a
• Page 38 – IntelliCenter Control System Load Center:; Power Center. See wiring connection; To connect the MasterTemp heater to the load center:; BEFORE REMOVING THE HIGH VOLTAGE COVER PANEL FROM THE; Panel and remove the panel.; Front door; Loosen Outdoor Control Panel; Connecting the RS-485 Cable from the Heater to the Load Center
• Page 39 – SWITCH ON AC power; to the IntelliCenter Control System Load Center.; MasterTemp Heater; Heater to IntelliCenter wires pin assignment; To heater
• Page 40 – MASTERTEMP HEATER WIRING DIAGRAM; CONNECTION DIAGRAM
• Page 41 – MASTERTEMP HEATER ELECTRICAL SCHEMATIC LADDER DIA-
• Page 42 – BASIC SYSTEM OPERATION; Operation Instructions; FOR YOUR SAFETY: READ BEFORE LIGHTING; START-UP AND OPERATION; MASTERTEMP HEATER HSI ELECTRONIC IGNITION LIGHTING/OPERATION; WHAT TO DO IF YOU SMELL GAS
• Page 43 – OPERATING INSTRUCTIONS; Follow “B” in the “Before Start-up” instructions; See CONTROL PANEL; TO TURN OFF GAS TO APPLIANCE; Press the OFF button on operating control.; YOU ARE HERE; Section 4. Operation Instructions
• Page 44 – SAFETY CONTROLS; WATER PRESSURE SWITCH; Hazardous pressure. Do not bypass the Water Pressure Switch; NOTE: SEE, BELOW POOL LEVEL INSTALLATION; HIGH LIMITS
• Page 45 – OPERATION OF IGNITION MODULE; The Ignition Module; Diagnostic errors are displayed on; and viewed on Heater menu; ERROR PS MESSAGE; Table 7. Diagnostic Indicator
• Page 46 – Control Panel Description; The LCD displays two lines of text.; Menu Navigation; CONTROL PANEL; Figure 42. Heater Control Panel
• Page 47 – Menu; Total number of hours the heater has spent heating the water.; By-pass Valve Description
• Page 48 – Section 5. Troubleshooting; Troubleshooting; Initial Troubleshooting; READ THE FOLLOWING INFORMATION CAREFULLY; voltage in the heater circuit.; BLACK plug; RED plug; is for; Error and Fault Codes; Table 8. Heater Error and Fault Codes
• Page 49 – Section 5. Troubleshooting; Start here for directions to specific Troubleshooting Chart
• Page 52 – IGN is ON
• Page 53 – ERR AFS
• Page 54 – Diagnostic Alarms: SFS; ERR SFS
• Page 56 – CARE AND MAINTENANCE; flammable liquids near heater or in the same room with heater.; PRESSURE RELIEF VALVE; the valve and drain line.; Maintenance; Section 6. Maintenance; Drill through the NPT Port, then
• Page 57 – Optional Pressure Relief Valve Escutchen:; the round Pressure Relief Valve knock out from the heater panel.; See page 61 for parts list.; Place the water pipe escutcheon over the water pipe,; Tool; : Phillips Screwdriver; Water Pipe Escutcheon Installation; Figure 44. Water Pipe with Escutcheon Installed.
• Page 58 – CHECKING WATER FLOW; FOLLOW INSTRUCTIONS UNDER “TO TURN OFF GAS TO THE APPLIANCE” (; SPRING AND FALL OPERATION; (20° C) will cause harmful condensation and will damage; Turn off electrical supply to the heater and pump.; in the outlet pipe to drain the manifold.
• Page 59 – To return the heater to service after winterizing:; Close drain cock and fittings. Before starting the; (See additional notes under Important Notices in Introduction.); MAINTAINING POOL TEMPERATURE; chemicals and reduce load on the filtering system.; CHEMICAL BALANCE; POOL AND SPA WATER; provided you keep your water chemistry in proper condition.; WHAT A DISINFECTANT DOES
• Page 60 – If pH is too low (over acid) the following conditions may occur:; Excessive eye burn or skin irritation.; ALKALINITY High or Low:
• Page 61 – MASTERTEMP HEATER REPLACEMENT PARTS; Repair Parts are available from a Pentair dealer.
• Page 62 – For heaters manufactured between; Rodent Resistant Parts List; MASTERTEMP
• Page 63 – REPAIR PARTS – BURNER SYSTEM
• Page 65 – REPAIR PARTS – ELECTRICAL SYSTEM