Raypak P-4001 - Manuals

5 RECEIVING EQUIPMENT On receipt of the equipment, visually check for exter- nal damage to the carton or the shipping crate. If the carton or shipping crate is damaged, make a note on the Bill of Lading and report the damage to the Carrier immediately. Remove the heater from the carton or shipping c...

6 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. For servicing, provide at least 24" in front of the heater on Models 926-1826 &am...

7 2. Free ventilation air 1 sq. in. per 1000 BTU input within 12" of the ceiling level . Venting Connections Drafthood (Indoor) Models 962-1826 Locate and assemble as shown in Fig. 3. Secure with screws supplied in envelope in carton. Models 2100-4001 have built-in drafthoods that must be proper...

8 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 placed in operation, while the other appliances remain- ing connected to the common venting system are not in operation. (a) Seal any unused op...

9 MANOMETER GAS PRESSURE TEST AT GAS VALVE GAS PRESSURE TEST AT HEATER MANUAL SHUTOFF VALVE GAS PRESSURE TEST UPSTREAM Model No. 1” 1-1/4” 1-1/2” 2” 2-1/2” 3” 4” N P N P N P N P N P N P N P 926/962 15 20 45 45 110 150 360 400 1083/1125 10 15 35 35 80 120 300 300 1178/1223 25 25 60 85 220 200 1287/13...

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- tion of the fireman switch in the electrical circuit. CONTROLS Flow Switch This dual purpose control shuts off the boiler in the case of a pump...

14 To adjust the temperature: 1. Both isolation valves must be fully open. 2. Adjust Bypass Valve "A" 1/2 open and Balancing Valve "B" fully open. (See piping configuration page 15, 16 & 17) 3. Fire your Raypak pool heater and adjust Bypass Valve "A" to obtain a heater in...

15 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 temp...

18 External Auxiliary Bypass 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 ...

19 Low Water Cutoff Automatically shuts down burner whenever water level drops below probe. A 3 to 5 second time delay prevents premature lockout due to temporary condi- tions such as power failure or air pockets. Standard on Cal Code heaters. High & Low Gas Pressure Switches Pressure switches s...

24 SERVICING General Location Of Controls Models 926-1826 Models 2100-4001 Temperature Control The pool water temperature is controlled by the pool thermostat. The heater water temperature high limit is controlled by the manual reset high limit. Pressure Switch The pressure switch, or heater actuato...

25 Two-Speed Pumps In some cases, the flow on the low speed is insufficient to operate the heater. This is apparent when the pres- sure switch cannot be further adjusted or if the heater makes banging noises. In these cases, the pump must be run at high speed when heating the water. Pilot Safety The...

26 After Start-Up Pilot System Checkout Procedure 1. Turn on power to the ignition systems and turn gas supply off. 2. Check ignition module as follows: a. Set the thermostat above pool water tempera- ture to turn heater on. b. Watch for continuous spark at the pilot burner. c. Time the spark operat...

27 SERVICING PROCEDURES Tube Cleaning Procedure (Typical) Establish a regular inspection schedule, the frequency depending on the local water condition and severity of service. Do not let the tubes clog up solidly. Clean out deposits over 1/16" in thickness. Although the illustration shows the m...

29 Combustion Chamber Removal To remove the combustion chamber you must first have removed the heat exchanger. Unbolt metal com- bustion chamber retainer from top and remove combustion chamber panels individually. Control Well Replacement Remove top, sensing bulb and clip. Collapse well tube at the ...

30 4. Take garden hose and wash heat exchanger, mak- ing sure soot is removed from between fins. (Avoid excessive water against refractory). 5. Reassemble; when heater is fired, some steam will form from wet refractory. This is normal. Unitherm Governor Replacement 1. Shut off water, gas and electri...

31 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 G...

32 IMPORTANT NOTICE These instructions are primarily intended for the use of qualified personnel specifically trained and experiencedin the installation of this type of heating equipment and related system components. Installation and servicepersonnel may be required by some states to be licensed. P...

34 NOTE: Before troubleshooting, familiarize yourself with the start-up and checkoutprocedure. Check line voltage power, low voltage transformer, limit controller, thermostat(controller) and wiring. Pull ignition lead and check spark at module. Spark Okay?YES • Check ignition cable, ground wiring, c...

35 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 s...