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Owners Guide
and
Installation Instructions
Raypak Water Heaters
Models Types
B0109
NCO, NCH
PCO, PCH
B0147
This water heater must be installed and serviced by an authorised person.
Please leave this guide with the householder or responsible officer.
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Notice to Victorian Customers from the Victorian Plumbing Industry Commission This water heater must be installed by a licensed person as required by The Victorian Building Act 1993 Only a licensed person will give you a Compliance Certificate, showing that the work complies with all the relevant standards. Only a licensed person will have insurance protecting their workmanship for 6 years. Make sure you use a licensed person to install this water heater and ask for your Complianc
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CONTENTS HOUSEHOLDER OR RESPONSIBLE OFFICER – We recommend you read pages 4 to 11. The other pages are intended for the installer but may be of interest CONTENTS .................................................................................................................................................................. 3 ABOUT YOUR WATER HEATER ................................................................................................................................
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ABOUT YOUR WATER HEATER MODEL TYPE ® Congratulations for choosing a Raypak water heater. The model you have chosen is suitable for either indoor or outdoor installation depending on use of the appropriate installation kit. The operation of the water heater depends on the application. Typically for hot water applications a water heater with ‘on/off’ operation will be installed. For mechanical heating or process applications a water heater with ‘Hi/Lo’ operation will be installed. HOW H
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ABOUT YOUR WATER HEATER SAFETY For your safety do not operate this water heater before reading this instruction booklet. This water heater is supplied with a thermostat, hi-limit thermostat and a pressure relief valve. These devices must not be tampered with or removed. The water heater must not be operated unless each of these devices is fitted and is in working order. Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. For ® assis
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ABOUT YOUR WATER HEATER TO TURN ON THE WATER HEATER WARNING! If you smell gas do not attempt to turn on the water heater. • Fill the system with water (refer to “To Fill the Water Heater” on page 32) • Open the gas isolation valve fully at the inlet to the water heater. • Plug in the power supply cord at the power outlet. • Switch on the electrical supply at the power outlet to the water heater. NOTE: If the water heater is correctly installed, this will also activate the circulating pum
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HOW YOUR WATER HEATER WORKS The water heater consists of a gas burner, a combustion chamber lined with refractory tiles and a heat-exchanger made of finned copper tubes. Hot flue gases from the burner pass between the fins on the heat exchanger tubes and heat is transferred first to the fins and then by conduction into the water. Baffles are placed between the tubes to control the flow of the hot flue gases and ensure efficient operation of the water heater. The refractory tiles insulat
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HOW YOUR WATER HEATER WORKS 147 MODELS On/Off Operation 147 On/Off models are fitted with an electronic thermostat that operates the gas control by switching its power on and off, so a constant temperature is maintained. The thermostat is mounted on the control panel of the water heater and the protective over temperature cut out is mounted inside the lower front cover of the water heater. There is no need to switch the water heater off when it is not in use. The thermostat is fully auto
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SAVE A SERVICE CALL Check the items below before making a service call. You will be charged for attending to any condition or fault that is not related to manufacture or failure of a part. NOT ENOUGH HOT WATER (OR NO HOT WATER) • Is the electricity switched on? Inspect the power outlet adjacent to the water heater and ensure the water heater is plugged in and the outlet is turned on. • Is there a time clock on the power supply? Check the settings on the time clock and ensure they ar
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SAVE A SERVICE CALL BURNER WILL NOT LIGHT • Is there gas to the water heater? Check the gas isolation valve on the gas supply line is open. • Is there a normal gas supply to the rest of the premises? Try lighting another gas appliance. If there is no gas call your gas provider. • Is the ignition system ‘locked out’? Try resetting the water heater. Refer to “Water Heater Not Operating” on page 9. • Is the High Limit tripped: The manual reset over temperature switch will shut down the wat
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REGULAR CARE PRESSURE RELIEF VALVE This valve is located in the in/out header of the water heater and is essential for its safe operation. It is possible for the valve to release a little water through the drain line during each heating period. This occurs as the water is heated and expands by approximately 1/50 of its volume. Continuous leakage of water from the valve and its drain line may indicate a problem with the water heater (refer to “Pressure Relief Valve Running” on page 10).
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INSTALLATION THIS WATER HEATER IS NOT SUITABLE FOR POOL HEATING Check the water heater is suitable for the gas type available. The gas type is marked on the side panel near the gas connection entry and shown on the rating label. All packaging must be removed from the water heater prior to its installation. The installation kit (including the pressure relief valve) may be supplied inside the water heater casing. This kit must be removed before the water heater is operated. READ THESE
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INSTALLATION CLEARANCES (INDOOR INSTALLATIONS) The distances set out in the following table should be observed. 109 Models Minimum Non-Combustible Combustible Clearances from: materials (mm) materials (mm) Rear 150 500 Water Side 300 600 Front 750 750 Non Water side 150 500 Ceiling 1200 1200 147 Models Minimum Non-Combustible Combustible Clearances from: materials (mm) materials (mm) Rear 300 500 Left side 300 500 Front 750 750 Right side 300 500 1200 Ceiling 1200 The
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INSTALLATION must be installed to fill in the perforations) to prevent excessive drafts entering the water heater from underneath. The following distances extracted from the Australian Gas Installations Standard AS 5601 must be observed: • At least 500 mm between the top of the flue terminal and the eaves. • At least 1 500 mm horizontally between the flue terminal and the edge of any opening into the building, measured horizontally. • At least 500 mm between the flue terminal and a return
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INSTALLATION HIGH WIND CONDITIONS In areas where high winds frequently occur, it WILL be necessary to: • Locate the water heater a minimum of one (1) metre away from high vertical walls. • Install a wind break to protect the water heater from the prevailing winds. • 147 Models Only: Replace the standard flue terminal with a HIGH WIND top (at extra cost). A high wind top is not available for 109 models. COLD WATER SUPPLY Water Heating Applications Where the cold water supply pressure
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INSTALLATION HOT WATER DELIVERY (WATER HEATING APPLICATIONS) This water heater can deliver water at temperatures which can cause scalding. It is necessary and we recommend that a temperature limiting device be fitted between the water heating system and the hot water outlets in any ablution and public areas such as bathrooms, ensuites or public amenities, to reduce the risk of scalding. The installing plumber may have a legal obligation to ensure the installation of this water heater meets
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INSTALLATION 147 Indoor Conversions DIMENSIONS AND TECHNICAL DATA 109 147 Input (MJ/h) 99 144 Natural Gas Output (kW) 22 32 Input (MJ/h) 99 144 Propane Gas Output (kW) 22 32 Power (W) 50 50 Electrical Rating 240V 50 Hz Current (A) 0.21 0.21 Weight empty Kg 42 58 Flue Connection mm 125 150 17
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INSTALLATION 109 Models 147 Models 18
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CONNECTIONS – PLUMBING IMPORTANT: When installing a new water heater to an old or existing system, it is a requirement that the system and its equipment be thoroughly inspected and if necessary, drained and flushed with clean fresh water, before the new water heater is connected. Failure to do this may cause blockages and/or damage to the water heater which is not covered by warranty. IF THERE IS ANY DOUBT ABOUT THE SYSTEM, DRAIN AND FLUSH AS A PRECAUTION. CONNECTION SIZES 109 On/Off
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CONNECTIONS - PLUMBING The table below provides indicative pipe and pump sizes for typical installations Minimum Manifold Header Model Pump Branch Size Size Required (mm) UPS 1 2 3 4 Speed inches mm Series Unit Units Units Units 109 20-60B 3 1 25 25 32 32 40 147 20-60B 3 1 25 20 32 32 40 PUMP SELECTION In order to obtain the best possible water flow in the system a correctly sized pump must be installed. Refer to the Flow Rate and Pressure Drop table below and allow for the sy
