background image

 

 
 

Raypak Commercial Power Vent 

Water Heaters 

 
 

Installation and Operating Instructions

 

 

 

 

Models 

B0520 
B0670 
B0770 
B0870 

 
 
This Installation and Operating Instructions Manual is provided with the information for the installation, 
operation and maintenance of your Raypak Heater. Please review and follow these procedures carefully. 
Keep this manual in a safe and accessible place for easy reference in the future. 

Summary of Contents for B0520

Page 1: ...0 B0770 B0870 This Installation and Operating Instructions Manual is provided with the information for the installation operation and maintenance of your Raypak Heater Please review and follow these p...

Page 2: ...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 insuran...

Page 3: ...ERATION 28 LIGHTING PROCEDURE 28 TO TURN OFF THE WATER HEATER 29 ADJUSTMENT 30 THERMOSTATS 30 BURNER GAS PRESSURE ADJUSTMENT 33 TEMPERATURE RISE 34 FLOW SWITCH 34 HIGH LIMIT 34 AIR PRESSURE SWITCH 35...

Page 4: ...isolation valve DO NOT use a mobile phone in the vicinity Vacate the area and call your gas supplier or qualified gasfitter NOTE Some gases are heavier than air and it may be necessary to check for ga...

Page 5: ...WATER INCREASES THE RISK OF SCALD INJURY This water heater can deliver water at temperatures which can cause scalding Check the water temperature before use such as when entering a shower or filling a...

Page 6: ...le of operating for many trouble free years on most public water supplies Should the installation be in an area where corrosive or hard water is present contact Raypak to ensure that the quality of th...

Page 7: ...resentative for any further instructions COMPONENTS PROVIDED WITH THE WATER HEATER 1 x 305mm x 60o elbow with grill DO NOT INSTALL OR START UP THIS WATER HEATER IF IT HAS BEEN DAMAGED WITHOUT FIRST CO...

Page 8: ...water piping electrical conduits trees fences or other equipment etc must not obstruct the front or top of the heater You must be able to read the information on the rating plate Remember you may hav...

Page 9: ...ue gases from this water heater have a CO2 level of 1 Additional ventilation will be required Ventilation shall be via two permanent openings directly to outside one at an upper level and one at low l...

Page 10: ...ions where each water heater is individually flued the 300mm diameter flue for each water heater can be run for a total length of 20m with 3 x 90o bends plus the supplied 60o terminal see diagram oppo...

Page 11: ...er must join the common flue using a 30o swept junction positioned so as to direct the flue gases into the common flue in the direction of discharge The common flue must be sized in accordance with AS...

Page 12: ...Replace the fan cover assembly in the new direction and replace all screws GAS INLET The pipe work must be cleared of foreign matter before connection and purged before attempting to light the water...

Page 13: ...fer to the pump selection and pipe size table on page 13 Intermittent pump operation Where pump operation is intermittent a remote thermostat must be fitted in the system and a pump run on timer is re...

Page 14: ...must use brass or copper olives Use thread sealing tape or approved thread sealant on all fittings Mechanical Hydronic and Process Heating Applications The pressure of the make up supply must be contr...

Page 15: ...discharge will not cause injury damage or nuisance The drain line must discharge at an outlet or air break not more than 9 metres from the relief valve In locations where water pipes are prone to free...

Page 16: ...INSTALLLATION 16...

Page 17: ...INSTALLLATION 17 Typical Installation one water heater one tank...

Page 18: ...in the diagrams on page 18 A disconnection union must always be provided at the cold water inlet and hot water outlet on the water heater to allow for disconnection of the water heater Each high point...

Page 19: ...off controls 2 The bypass pipe diameter MUST be the same as the inlet and outlet pipes 3 Select the pipe size between the heater and the system loop main equal to the inlet outlet header connections o...

Page 20: ...adjacent to and accessible from the water heater refer to AS 5601 5 2 11 A suitable warning label must be affixed to the water heater if there are additional control circuits not isolated by this swit...

Page 21: ...isolating switch alternatively the water heater power supply may be switched by the auxiliary contacts of the pump contactor refer to diagrams on page 22 THE WATER HEATER MUST NOT OPERATE WITHOUT THE...

Page 22: ...INSTALLLATION 22 Wiring diagram Raypak water heater with 415V 3 phase circulator Wiring diagram Raypak Water Heater with 240V Single Phase Circulator...

Page 23: ...LUE BLUE BLUE BLUE BLUE BLUE Orange GRAY BROWN Update and finalise drawing to current standards 15 05 07 BLUE Red GREEN YELLOW GREEN YELLOW GREEN YELLOW 2 1 AKO T Stat A 11 12 Water Sensor Installed I...

Page 24: ...BROWN Update and finalise drawing to current standards 15 05 07 BLUE Red GREEN YELLOW GREEN YELLOW GREEN YELLOW A 6 Violet Black BROWN BLUE BLUE BLUE BLUE RAYPAK AUSTRALIA Pty Ltd BROWN BROWN BLUE 1...

Page 25: ...t measurement errors the sensor should Be sealed Not painted over Connection The ambient air sensor is connected to terminals B9 and M9 on the RWF40 thermostat Programming When utilising outdoor compe...

Page 26: ...601 and local authority requirement A power flue if provided must be interlocked with the water heater as required by AS 5601 8 Ensure flammable or combustible materials are not stored near the water...

Page 27: ...ever be less than 41 C 4 If the heater inlet temperature remains less than 10 C higher than the system loop return temperature and valve A is fully open leave valve A fully open and throttle valve B u...

Page 28: ...solation valve Never use any tools If the knob will not turn by hand do not try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion 3 Ensure wa...

Page 29: ...of the water heater due to poor combustion will result in rapid and severe damage which is not covered by warranty LOCATION OF CONTROLS 1 FLAME FAILURE RESET This is a combination reset button and ind...

Page 30: ...AKO Parameter Table on page 31 for parameter values c Press the and buttons simultaneously to display the current value of the parameter selected in step b d Press the or buttons to alter the value o...

Page 31: ...with modulating operation are fitted with an RWF40 adjustable controlling thermostat with the temperature sensor located in the outlet side of the header This type of control is used where the system...

Page 32: ...ect the next parameter Repeat steps 3 6 until all parameters are set correctly Refer to the RWF40 PARAMETER TABLE below When all parameters are set correctly press the EXIT button to exit programming...

Page 33: ...water heater Refer to the Lighting Procedure on page 28 4 Adjust the low fire gas pressure to 0 3kPa Natural Gas Models or 1 3kPa propane models by turning the outer regulator screw on the SKP25 actu...

Page 34: ...by warranty FLOW SWITCH Adjustment Screw The adjustment screw alters the amount of pressure or flow required to activate the micro switch To adjust the setting 1 Loosen the locknut 2 Turn the screw cl...

Page 35: ...NOTE Ensure the manometer is calibrated prior to connection d Slightly loosen the union between the test point and the tube sensing fan pressure e Undo the Phillips head screw refer to Figure 4 item 1...

Page 36: ...the spade terminal and connect the wire for the required speed refer to the Fan Speed Table below e Insulate all unused fan connections and cable tie in a safe position FAN SPEED TABLE Fan Speed Wire...

Page 37: ...should commence operation If the fan does not start up check the fan isolation switch is in the ON position refer to Location Of Controls on page 29 If the fan still does not operate turn off the gas...

Page 38: ...nd clean pilot assembly s including injector s 5 Clean and re align electrode s and or flame rod s and or thermocouple s 6 Clean main burner injectors and burner bars as required 7 Inspect repair if m...

Page 39: ...ppliance and its immediate area FIRE TILE REFRACTORY HANDLING CAUTION Ceramic refractories are used in Raypak heaters Please refer to the Material Safety Data Sheet MSDS provided for safe handling of...

Page 40: ...se 7 The water heater must be sized to supply the hot water demand in accordance with the guidelines in Rheem Water Heater literature WARRANTY EXCLUSIONS 1 REPAIR AND REPLACEMENT WORK WILL BE CARRIED...

Page 41: ...41 RHEEM SERVICE 131031 WWW RHEEM COM AU Manufactured by Raypak Australia Ph 03 9757 3333 Fax 03 9757 4974 Part No 209130 5 Effective 01 07 2007 Replaces 01 10 2000...

Reviews: