Raypak Commercial Water Heaters Part 1: Safety warning Part 2: Models 507 NCO, 538 to 4224 NCO, NCM Part 3: Warranty
CONTENTS Part 1: For Your Safety Part 2: Models 507 NCO, 538 to 4224 NCO, NCM. Section 1. Installation Instructions Section 2. Owners Operating Instructions Part 3: Warranty Date of Installation: // // Model No. Serial No. Installed by: Purchased from: This Installation and Operating Instructions Manual is provided with the necessary information for the proper installation, operation and maintenance of your Raypak Heater. Please review and follow these procedures carefully.
PART 1 FOR YOUR SAFETY For your safety do not operate this appliance before reading this instruction booklet. WARNING Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. For assistance or additional information consult your Raypak distributor, qualified installer, or service agency. WHAT TO DO IF YOU SMELL GAS? DO NOT try to light any gas appliance DO NOT touch any electrical switch.
PART 1 - FOR YOUR SAFETY CAUTION! Ceramic Firetile Refractory is used in Raypak Heaters Possible risks of irreversible effects Harmful by inhalation May be irritating to the skin, eyes and respiratory system. WHEN HANDLING • Minimise airborne dust. • Wear an approved mask or respirator. • Avoid any contact with the skin and eyes. • Wear suitable loose-fitting, long-sleeved clothing. • Wear gloves and eye protection. • Consult Occupational Health and Safety Authority for any further information.
Raypak Commercial Water Heaters Part 2: Models 507 NCO, 538 to 4224 NCO, NCM.
SECTION I INSTALLATION INSTRUCTIONS Before you commence the installation: 5601/AG601 and electrical codes and/or statutory body codes and regulations. trees, fences, or other equipment, etc must not obstruct the front of the heater. 2. Check that the heater you have been supplied is suitable for the type of installation and the gas that is available. The gas supply pressure must be between the minimum and maximum as shown on the heater data plate.
PART 2 - SECTION I - INSTALLATION INSTRUCTIONS pressure in the heater room that can become a hazard by asphyxiation, explosion or fire. Caution: Do not store chemicals or flammable materials in the same room or near this heater. Do not use aerosols near this heater whilst it is in operation. FLUEING The correct Draft hood must be fixed to the top of the heater and connected to a properly constructed flue, vented to the outside using only approved fittings.
PART 2 - SECTION I - INSTALLATION INSTRUCTIONS PUMP SELECTION In order to obtain the best possible hydraulics in your system, you must select the correct size water-circulating pump. It should normally be installed so as to pump water into the heater and this is particularly important where the system water pressure is low. Refer to Flow Rate and Pressure Drop chart and allow for the system head pressure when sizing the pump.
PART 2 - SECTION I - INSTALLATION INSTRUCTIONS ELECTRICAL WIRING The electrical power consumption of the heater is: 240 Volts AC, 50/60 Hz, of less than 1 Amp. A normal 10 or 15 Amp, single phase power circuit should be suitable. Access to the electricals is achieved by removing the cover of the control panel. (See Location of Controls for different models.) The heater must be properly earthed and Raypak highly recommends the installation of an RCD (Residual Current Device) for added electrical safety.
SECTION II OPERATING INSRUCTIONS WHAT IF YOU CAN SMELL GAS? Always keep the heater clean and the surrounding area clear of all combustible and flammable materials. If you do not smell any gas continue ... SAFETY INSTRUCTIONS Remove all dangerous liquids and chemicals from the plant room and check that the combustion air openings are not obstructed. Don’t attempt to light the burner by hand. • DON’T TRY TO LIGHT ANY GAS APPLIANCE. • DON’T TOUCH OR OPERATE ANY ELECTRICAL SWITCH.
PART 2 - SECTION II - OPERATING INSTRUCTIONS LOCATION OF CONTROLLS MODELS 2214, 2634, 3164, 3694, 4224 MODELS 538 TO 2004, 2404, 2804, 3304, 3804 1. Flame Fail Reset (Illuminates on FAIL) 2. Temperature Control (Digital Thermostat) Please note: Model 507 is not shown above but the controls are in similar locations. 1. FLAME FAILURE RESET: This is a combination reset button and indicator lamp. It indicates, when illuminated, that the ignition system has shutdown on its safety control.
PART 2 - SECTION II - OPERATING INSTRUCTIONS THERMOSTATS ON/OFF CONTROLS "OO" heaters are fitted with an adjustable controlling thermostat with its temperature sensor usually located in the inlet side of the heater header, monitoring the system water temperature which will then determine whether there is a call for heat and if so start up the heater. This type of control is used where the system load is constant E.G. Hot water supplied from a water storage tank or in floor concrete slab heating.
PART 2 - SECTION II - OPERATING INSTRUCTIONS COMMISSIONING / PROGRAMMING PROCEDURE SKP27 / SQS27 / RWF40 To Programme the RWF40 controller 1. Press “PGM” button for two seconds. Display shows “AL”. 2. Press “PGM” button again for two seconds. Display shows “C111” and the current setting for C111. 3. Press the up (▲) button to change digit the right hand digit. 4. Press the down (▼) button to change digit position from right to left. The correct setting for C111 is 9000. 5.
PART 2 - SECTION II - OPERATING INSTRUCTIONS HIGH GAS RATE ADJUSTMENT 1. Press the “Exit” button on the RWF40 controller for five seconds to enter the manual mode. The red LED adjacent to the hand symbol will illuminate. 2. Drive the SQS27 motor to the high fire position by pressing the ▲ button until the motor cam stops turning. (approx. 2 revolutions) 3. Refit the SQS27 drive motor to the SKP27 actuator. (refer to figure 2) FIGURE 2 4. Adjust the low fire rate to 0.
PART 2 - SECTION II - OPERATING INSTRUCTIONS MODULATION BY AMIENT AIR COMPENSATION AND AMBIENT AIR HEATER OFF Commisioned By: PROCESS DATA PARAMETER FACTORY SETTING SP1 78 SP2 0 Dsp 0 tA - SPE - COM. SETTING PARAMETER LEVEL Date: PARAMETER FACTORY SETTING AL 24 HySt 2 Pb.1 20 dt 15 rt 60 db 3 tt 30 HyS1 -3 HyS2 0 HyS3 4 q 0 H 4 P 0 COM.
PART 2 - SECTION II - OPERATING INSTRUCTIONS HEATER MOUNTED PRESSURE RELIEF VALVE THERMOMETERS EXPANSION TANK (BY OTHERS) AIR SEPARATOR SYSTEM SUPPLY BALANCING VALVES MAIN SYSTEM PUMP B PUMP A WATER PRESSURE REGULATOR CITY WATER INLET ISOLATION VALVES THERMOMETER (BY OTHERS) 300mm MAX TEMPURATURE CONTROLLER (BY OTHERS) (OR AS CLOSE AS PIPE SIZE ALLOWS) SYSTEM RETURN CLOSED LOOP WATER SOURCE HEAT PUMP Installation and set up procedure for this application. 1.
PART 2 - SECTION II - OPERATING INSTRUCTIONS RECOMMENDED SERVICE PROCEDURES manually to check that the drain is clear and the valve reseals. • Check over the appliance thoroughly and report any damage immediately. It is a Raypak requirement that all Raypak supplied equipment is serviced at least annually. • Refit Burner Tray and reconnect gas train etc. • Check the heat exchanger and water seal areas and report any damage, if necessary. • Perform gas soundness tests to the gas train.
PART 3 WARRANTY RAYPAK WARRANTY FOR COMMERCIAL WATER HEATERS Raypak Australia Pty Ltd* will: a) repair or, if necessary, replace any Raypak water heater; or b) replace any component (or, if necessary, arrange the installation of a new water heater), which falls within the Warranty Periods specified below, in accordance with and subject to the following table and terms and conditions.
Manufactured by Raypak Australia Ph. (03) 9535 3333 Fax (03) 9560 4974 JAN 2003 Quality System RHEEM SERVICE 131 031 WWW.RHEEM.COM.
