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CATALOG NO. 6000.50-N
Effective: 03-01-01
Replaces: 05-15-00
OPERATING AND
INSTALLATION
INSTRUCTIONS
Models
155C
VERSA
SWIMMING POOL
and
SPA HEATER
WARNING: If the information in these instructions are not followed exactly, a fire or
explosion may result causing property damage, personal injury or death.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of
this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not
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3 PART ONE - Owner's Operating Instructions CONTENTS 3 SECTION 1 / START-UP PROCEDURES 3 Before Start-Up 4 Lighting Instructions & Shut-Off Procedures (Manually Lighted Pilot MV) 5 Operating Instructions & Shut-Off Procedures (Automatically Lighted Pilots IID) 6 After Start-Up 6 SECTION 2 / CAUTION 7 SECTION 3 / MAINTENANCE & CARE PROCEDURES 7 Pool & Spa Water Chemistry 8 Cold Weather Operation 8 Winterizing The Pool And Spa Heater 9 PART TWO - INSTALLATION/SERVICE INSTR
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PART ONE - OWNER'S OPERATING INSTRUCTIONS FOR YOUR SAFETY - READ BEFORE OPERATING WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT, CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. SECTION 1 / START-UP PROCEDURES BEFORE START-UP WATER BURNERS Water must be flowing through the heater during Clean main burners and air louvers of dust, lint and operation. Insure that system is filled with water and debris. Keep heater area clear and fr
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CAUTION: Propane gas is heavier than air and will settle on the ground. Since propane can accumulate in confined areas, extra care should be exercised when lighting propane heaters. LIGHTING INSTRUCTIONS AND SHUT-OFF PROCEDURES MANUALLY LIGHTED PILOTS MILLIVOLT SYSTEM A. This appliance has a pilot that must be lighted *If you cannot reach your gas supplier, call the by hand. When lighting the pilot, follow these fire department. instructions exactly. C. Use only your hand to push in or turn
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CAUTION: Propane gas is heavier than air and will settle on the ground. Since propane can accumulate in confined areas, extra care should be exercised when lighting propane heaters. OPERATING INSTRUCTIONS AND SHUT-OFF PROCEDURES AUTOMATICALLY LIGHTED PILOTS ELECTRONIC IGNITION SYSTEMS A. This appliance is equipped with an ignition *If you cannot reach your gas supplier, call the device which automatically lights the pilot. Do fire department. not try to light the pilot by hand. C. Use only y
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AFTER START-UP Feel the inlet and outlet pipes. Outlet pipe should be only slightly warmer than the inlet. It should not be hot. WARNING: Should overheating occur or the gas supply fail to shut off, turn off the manual gas control valve to the appliance. Pressure Switch VISUAL INSPECTION Location With the heater on, remove the door and make a visual check of the pilot and burner. The flame should be blue with a well-defined pattern. Fig. # 8110.1 SECTION 2 / CAUTION Elevated water temperature
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SECTION 3 / MAINTENANCE AND CARE PROCEDURES 4. Your pump strainer basket may be full. If so To be followed one month after start-up and then remove debris. semi-annually. 5. Your filter may be dirty. If so, backwash or 1. Inspect top of heater and draft hood for soot, clean filter. (To tell if your filter is dirty, the (a sticky black substance around finned gauge pressure will be higher than usual). tubes and "V" baffles), and open flue gas passageways. 6. The pump may have lost it's p
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COLD WEATHER OPERATION 3. Disconnect compression fittings from the pressure switch and return header that connects to the 1/4" MODERATE CLIMATE: Heater operation can con- copper tube and allow the tube to drain. tinue during short term cold spells. When temperatures are below freezing flow, (continuous pump operation) must be maintained. CAUTION: Do not use the heater to maintain water temperatures just above freezing or for freeze protec- tion. When heaters are used during freezing
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PART 2 - INSTALLATION / SERVICE INSTRUCTIONS SECTION 1 / RECEIVING EQUIPMENT SECTION 3 / INSTALLATION INSTRUCTIONS On receipt of your equipment it is suggested that IMPORTANT NOTICE you visually check for external damage to the carton. If These instructions are intended for the use of the carton is damaged, a note should be made on the Bill qualified personnel only, specifically trained and expe- of Lading when signing for equipment. Remove the rienced in the installation of this type of heating
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CLEARANCES WARNING: The heater shall not be located in an area where water sprinklers, or other devices, may cause water to spray through the cabinet louvers and into the heater. This could cause heavy internal rusting or damage some electrical components, and this would void the warranty. ALL HEATERS For clearances from combustible surfaces, see the following chart. CLEARANCES FROM COMBUSTIBLE CONSTRUCTION INDOOR INSTALLATION OUTDOOR INSTALLATION Top*(Drafthood) - 42" Right Side -
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Heaters must not be installed under an overhang of less than three (3) feet from the top of heater. Three (3) sides must be open in the area under the overhang. Roof water drainage must be diverted away from the heaters installed under overhangs with the use of gutters: The point from where the flue products exit the heater must be a minimum of four (4) feet below, four (4) feet horizontally from or one (1) foot above any door, window or gravity inlet to a building. The top surface of the hea
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INDOOR HEATERS The design is also certified for indoor installation when equipped with the approved draft hood. Locate heater as close as practical to a chimney or gas vent. Heater must always be vented to the outside. See Vent Piping Section for venting details. Minimum allowable space is shown on the nameplate. INDOOR DRAFT HOOD Fig. # 9305 COMBUSTION AIR (INDOOR UNITS ONLY) AIR FOR COMBUSTION AND VENTILATION (Indoor Units Only) The heater must have both combustion and ventilation air.
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VENT TERMINAL (Outdoor) OUTDOOR STACK horizontal runs of vent pipe and too many elbows. If installation requires horizontal non-vertical runs, the vent STEP 1 Line up (8) holes in jacket top with (8) pipe must have a minimum of 1/4 inch per foot rise and holes in adapter assembly. should be supported at not less than five foot intervals. Plumbers tape, criss-crossed, will serve to space both STEP 2 Lower entire outdoor stack assembly horizontal and vertical piping. Gas vents supported only on
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Manometer GAS SUPPLY CONNECTIONS Gas piping must have a sediment trap ahead of the Gas Pressure heater gas controls, and a manual shut-off valve lo- Test Upstream cated outside the heater jacket. All gas piping should Manual Shut be tested after installation in accordance with local Off Valve codes. Heater Jacket Gas Valve Manual Shut-Off Gas Valve Valve Gas Pressure Test at Gas Valve Gas Pressure Test at Heater Fig. # 8149.0 Gas Inlet Union ROBERTSHAW VALVE Sediment Trap Fig. # 80
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PLUMBING FOR WATER CONNECTIONS FLOW RATES LOCATION The VERSA heater requires water flow and posi- MIN GPM 20 tive pressure to fire and operate properly. It must MAX GPM 115* therefore be installed downstream of the discharge *When flow rates exceed 115 GPM an external auxil- side of the filter pump. A typical installation is plumbed iary bypass valve is required. See external auxiliary as follows: bypass valve section for details. 1. The inlet side of the filter is plumbed directly COMPANI
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UNITHERM GOVERNOR OPERATION From Heater To Heater The patented Unitherm Governor is a thermostatic mixing valve specifically designed to maintain constant heater internal temperature between 105°-115°F de- spite continually changing flow rates from the filter and changing pool temperatures. This narrow range is needed to prevent damaging condensation on the burn- ers which will occur if the heater runs for any length of time below 100°F. It is also needed to inhibit scale To Pool
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NOTE: To avoid water damage or scalding due to valve NOTE: IID PROPANE UNITS ONLY: Heater is operation, drain pipe must be connected to valve outlet equipped with an electronic ignition device with a 100% and run to a safe place of discharge. Drain pipe must safety lockout feature. If the heater fails to start or be the same size as the valve discharge connection lockout, reset the ignition device by interrupting the throughout its entire length and must pitch downward power to the heater for
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For 120 V input power to the unit, connect the black wire WIRING DIAGRAM KEY to the L1 or hot leg of the power supply. Connect the white wire to the L2 or neutral leg of the power supply. Attach the wire nut to the red wire. There should be no connection to the red wire for 120V operation. Fig. #9240 For 240 V input power to the unit, connect the black wire to the L1 or hot leg of the power supply. Connect the red wire to the L2 or second hot leg of the power supply. Attach the wire
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WIRING DIAGRAM MILLIVOLT UNITS Fig. #2182e 19
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WIRING DIAGRAM 152148 Model 155 IID BL BL BL 20
