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INSTALLATION & OPERATING
Raytherm™
Commercial
Swimming
Pool
Heater
Models
& P-2100 to P-4001
WARNING: If these instructions are not followed exactly, a fire or explosion may
result causing property damage, personal injury or death.
FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors and
liquids or other combustible materials in the vicinity of this or any other appliance.
To do so may result in an explosion or fire.
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.
Installation and service must be performed by a qualified installer, service agency or
the gas supplier.
This manual should be maintained in legible condition and kept adjacent to the heater or in another safe place for
future reference.
CATALOG NO. 6200.51P
Get user manuals:
See SafeManuals.com
INSTRUCTIONS
P-926 to P-1826
Effective: 05-24-10
L
W
Replaces: 04-09-07
P/N 240251 Rev. 17
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Table of Contents
Related Manuals for Rheem Raypak Raytherm P-926
Summary of Contents for Rheem Raypak Raytherm P-926
- Page 1 INSTALLATION & OPERATING INSTRUCTIONS Raytherm™ Commercial Swimming Pool Heater Models P-926 to P-1826 & P-2100 to P-4001 WARNING: If these instructions are not followed exactly, a fire or explosion may result causing property damage, personal injury or death. FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors and liquids or other combustible materials in the vicinity of this or any other appliance.
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Page 2: Water Chemistry
WATER CHEMISTRY (Corrosive water voids all warranties) For your health and the protection of your pool equipment, it is essential that your water be chemically balanced. The following levels must be used as a guide for bal- anced water. Other Pool & Spa Recommended Level(s) Fiberglass Pools Fiberglass Spas Types... -
Page 3: Table Of Contents
CONTENTS Wiring Diagram—Models 926–1223 WATER CHEMISTRY Wiring Diagram—Models 1287–1826 WARNINGS Pay Attention to These Terms Wiring Diagram—Models 2100–2500 Wiring Diagram—Models 3001–4001 RECEIVING EQUIPMENT GENERAL SERVICING General Location Of Controls SPECIFICATIONS Temperature Control INSTALLATION Code Requirements Pressure Switch Base Installation Pressure Switch Adjustment Clearances Two-Speed Pumps Combustion Air (Indoor Units Only) -
Page 4: Warnings
WARNINGS Pay Attention to These Terms Indicates the presence of immediate hazards which will cause severe person- DANGER: al injury, death or substantial property damage if ignored. Indicates the presence of hazards or unsafe practices which could cause WARNING: severe personal injury, death or substantial property damage if ignored. Indicates the presence of hazards or unsafe practices which could cause CAUTION: minor personal injury or product or property damage if ignored. -
Page 5: Receiving Equipment
RECEIVING EQUIPMENT INSTALLATION On receipt of the equipment, visually check for exter- These instructions are intended for the use of qualified nal damage to the carton or the shipping crate. If the personnel only, specifically trained and experienced in carton or shipping crate is damaged, make a note on the installation of this type of heating equipment and the Bill of Lading and report the damage to the Carrier related system components. -
Page 6: Clearances
Clearances All Heaters For clearances from combustible surfaces, see Table A below. We require a minimal vertical clearance of three feet between the upper surface of the flue outlet to a noncombustible material. Outdoor Heaters Indoor Heaters (926–1758) Heater Clearance Heater Clearance Side... -
Page 7: Venting Connections
2. Free ventilation air 1 sq. in. per 1000 BTU input must have a minimum of 1/4 inch per foot rise and within 12" of the ceiling level. should be supported at not more than five foot inter- vals. Plumbers' tape, criss-crossed, will serve to space both horizontal and vertical piping. -
Page 8: Gas Supply Connections
Gas Supply Connections At the time of removal of an existing heater, the follow- ing steps shall be followed with each appliance remaining connected to the common venting system Gas piping must have a sediment trap ahead of the placed in operation, while the other appliances remain- heater gas controls, and a manual shut-off valve locat- ing connected to the common venting system are not ed outside the heater jacket. - Page 9 Gas Code. Under NO circumstances shall bleed lines terminate in the gas utilization equipment flue or MANOMETER MANUAL exhaust system. SHUTOFF VALVE GAS PRESSURE TEST UPSTREAM GAS PRESSURE TEST AT GAS VALVE GAS PRESSURE TEST AT HEATER Fig. 6: Gas Pressure Test Points Venting of Diaphragm Gas Components Bleed Line...
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Page 10: Water Connections
Water Connections the time clock may be used for this purpose with instructions not to override this sequence manually. See wiring diagram section for electrical hookup loca- Location tion of the fireman switch in the electrical circuit. The heater requires water flow and positive pressure NOTE: (Models 926-1223): If piping is used into the to fire and operate properly. -
Page 11: Water Pressure Switch
Water Pressure Switch Unitherm Governor Operation On Models 926-1223 built with a Unitherm Governor The patented Unitherm Governor (UG) is a thermosta- (UG), a water pressure switch is provided in the heater tic mixing valve specifically designed to maintain to shut down the gas valves in the event the water sup- constant heater internal temperature between 105°... -
Page 12: Mounting The Poolstat Control With Front-Mounted Loop Using Mounting Slots
Raypak recommends the installation of an air bleed vent at a suitable location (usually the highest point in the plumbing) to remove air from the piping system. Pump These units should be available at your local whole- 1-1/2" Slip Ball Valve sale supplier. - Page 13 3. Remove either the left or right “knock-out” for wiring on the poolstat control as shown in Fig. 17. Fig. 13: Poolstat Control Fig. 17: Remove Knockout 4. Attach appropriate conduit and connectors to the poolstat control. 5. Attach wires to the poolstat wire terminals. See Fig.
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Page 14: Mounting Well Into System Return Loop Pipe - Front-Mounted Loop
Mounting Well into System Return Loop Pipe - Front- Mounted Loop NOTE: For more detail on piping configurations for large systems, refer to the diagrams on pages 15, 16 & 17. 1. Locate and mark an area on the main system return loop pipe where the well is always exposed to the water circulating back from the pool. -
Page 15: Piping Configurations For Raytherm Commercial Pool Heaters (926-1223)
6. As the pool temperature rises to the desired tem- perature as controlled by the Pool aquastat, small adjustments to valves "A" and "B" will be required for optimum performance. Heater temperatures should be checked regularly to prevent heater condensation. The heater inlet temperature can be higher than 105°F without heater damage but operating at less than 105°F inlet can cause dam- age from condensation. -
Page 16: Piping Configurations For Raytherm Commercial Pool Heaters (1287-1826)
Piping Configurations for Raytherm Commercial Pool Heaters BLENDED WATER TEMPERATURE (THERMOMETER AT HEATER INLET) HEATER OUTLET TEMPERATURE THERMOMETER HEATER THERMOSTAT RECOMMENDED FIELD INSTALLED ISOLATION VALVES FOR SERVICE Get user manuals: See SafeManuals.com... -
Page 17: Piping Configurations For Raytherm Commercial Pool Heaters (2100-4001)
Piping Configurations for Raytherm Commercial Pool Heaters Models 2100 thru 4001 BLENDED WATER TEMPERATURE (THERMOMETER AT HEATER INLET) HEATER OUTLET TEMPERATURE THERMOMETER HEATER THERMOSTAT RECOMMENDED FIELD INSTALLED ISOLATION VALVES FOR SERVICE Get user manuals: See SafeManuals.com... -
Page 18: Temperature Controls
External Auxiliary Bypass Bypass Valve Valve (Where Required) 926-1223 Models Only An auxiliary bypass valve should be used when flow rates exceed 120 gpm (usually a high performance pump size larger than two HP will exceed this flow rate). This valve is required to complement the func- tion of the automatic bypass valve, particularly when starting the heater in winter or early spring when the spa or pool temperature is below 55°F. -
Page 19: Electrical Wiring
Electrical Wiring Low Water Cutoff Automatically shuts down burner whenever water DANGER - SHOCK HAZARD - Make sure level drops below probe. A 3 to 5 second time delay electrical power to the heater is disconnected to prevents premature lockout due to temporary condi- avoid potential serious injury or damage to tions such as power failure or air pockets. -
Page 20: Wiring Diagram-Models 926-1223
Wiring Diagram—Models 926–1223 Get user manuals: See SafeManuals.com... -
Page 21: Wiring Diagram-Models 1287-1826
Wiring Diagram—Models 1287–1826 Get user manuals: See SafeManuals.com... -
Page 22: Wiring Diagram-Models 2100-2500
Wiring Diagram—Models 2100–2500 Get user manuals: See SafeManuals.com... -
Page 23: Wiring Diagram-Models 3001-4001
Wiring Diagram—Models 3001–4001 Get user manuals: See SafeManuals.com... -
Page 24: Servicing
SERVICING Temperature Control The pool water temperature is controlled by the pool General Location Of Controls thermostat. The heater water temperature high limit is controlled by the manual reset high limit. Models 926-1826 Pressure Switch The pressure switch, or heater actuator on Models 926-1223 equipped with a Unitherm Governor, Pressure Switch... -
Page 25: Two-Speed Pumps
START-UP PROCEDURES Before Start-Up Burners Clean main burners and air louvers of dust, lint and debris. Keep heater area clear and free from com- bustibles, flammable liquids, and chemicals. Do not obstruct the flow of combustion and ventilating air. ADJUSTMENT KNOB Water Fig. -
Page 26: After Start-Up
INSPECTION After Start-Up PROCEDURES Pilot System Checkout Procedure Burners 1. Turn on power to the ignition systems and turn gas supply off. Clean main burners and air louvers of dust, lint and 2. Check ignition module as follows: debris. Keep heater area clear and free from com- bustibles and flammable liquids. -
Page 27: Servicing Procedures Tube Cleaning Procedure (Typical)
SERVICING Burner Drawer Removal PROCEDURES 1. Shut off power and gas supply to the pool heater. Disconnect union(s) and pilot tubing, then loosen Tube Cleaning Procedure and remove burner-hold down screws. (Typical) 2. Disconnect wires at gas valve and slide burner drawer out. -
Page 28: Main Burner And Orifice Removal
Main Burner and Orifice Heat Exchanger Reassembly Removal 1. Heat exchanger header O-rings should be replaced with new ones. 1. Remove screws and burner hold down bracket. NOTE: If the heat exchanger is sooted badly, the 2. Install inlet-outlet and return water headers and burner hold-down bracket and spacer can become install header retainer nuts and torque nuts even- distorted from direct flame impingement and this... -
Page 29: Combustion Chamber Removal
Combustion Chamber Removal canopy and flue collector off (on models 926-1826, remove the canopy hold-down brackets). Remove "V" baffles over tube(s) to be replaced. If no pipe unions To remove the combustion chamber you must first have been provided, use the header as a union, have removed the heat exchanger. -
Page 30: Unitherm Governor Replacement
MAINTENANCE AND 4. Take garden hose and wash heat exchanger, mak- ing sure soot is removed from between fins. (Avoid CARE excessive water against refractory). 5. Reassemble; when heater is fired, some steam will To be followed one month after initial start-up and then form from wet refractory. -
Page 31: Winterizing Your Heater
Winterizing Your Heater When heaters installed outdoors in freezing climate areas are to be shut down for the winter, please observe the following step-by-step procedure: 1. Remove the drain plug or open the drain cock located on the inlet-outlet header. On larger heaters with external Unitherm Governor(s) and piping, locate plug at low point of Governor piping, or break connections and rotate inlet fittings 180... -
Page 32: Troubleshooting
TROUBLESHOOTING IMPORTANT NOTICE These instructions are primarily intended for the use of qualified personnel specifically trained and experienced in the installation of this type of heating equipment and related system components. Installation and service personnel may be required by some states to be licensed. Persons not qualified shall not attempt to install this equipment nor attempt repairs according to these instructions. - Page 33 *Broken refractory caused by Outer jacket very hot shipping damage or improper (paint blistered) combustion………………………….. Replace refractory panels. Excessive sooting of heat exchanger…………………………... Determine cause of sooting & correct. Calculate temperature in °F/hr……... Heat rise (°F/hr.) = Htr.output Takes long time to heat pool Pool gallonage x 8.33 or spa or refer to heater sizing chart.
- Page 34 HIGH VOLTAGE. qualified WARNING: ELECTRICAL (ELECTRONIC IGNITION IID) IID technicians ONLY. Intermittent Pilot System TROUBLESHOOTING HONEYWELL S8600 NOTE: Some heaters may be equipped with an ignition module that shuts off pilot gas if the pilot fails to light. To reset, interrupt power to the heater. START NOTE: Before troubleshooting, familiarize yourself with the start-up and checkout TURN GAS SUPPLY OFF.
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Page 35: Warranty
RAYTHERM COMMERCIAL SWIMMING POOL HEATERS LIMITED WARRANTY RAYTHERM TYPE P SIZES 0926-4001 SCOPE: Raypak, Inc. ("Raypak") warrants to the original owner that all parts of this boiler which are actually manufactured by Raypak will be free from failure under normal use and service for the specified warranty periods and subject to the conditions set forth in this Warranty. - Page 36 www.raypak.com Raypak, Inc., 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (805) 278-5468 Litho in U.S.A. Get user manuals: See SafeManuals.com...