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M E R C H A N D I S I N G , S U P P L Y I N G
A N D M A N U F A C T U R I N G L T D .
H A N D L I N G, IN S T A LL A T IO N A N D
S ER V IC E M A N U A L
HI-DELTA 302ACE-2342ACE
h o t w a t e r b o i l e r s f o r c e n t r a l h e a t i n g /
w a t e r h e a t e r s f o r d o m e s t i c h o t w a t e r a n d
t e c h n o l o g i c a l h o t w a t e r s u p p l y
w i t h f a n a s s i s t e d p r e m i x b u r n e r s
t o b e i n s t a l l e d i n d o o r o r o u t d o o r
THE FIRST OPERATION OF THE APPLIANCE MUST BE
CARRIED OUT BY AN AUTHORIZED SERVICE.
CALL A SERVICE LISTED IN THE WARRANTY!
SERIES
Hungary
0 6/ 1- 2- 36 - 0 7 - 2 7
0 6/ 1- 2- 36 - 0 7 - 2 6
www.huray.eu
huray@huray.hu
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Table of Contents
Summary of Contents for HuRay HI-DELTA 302ACE
- Page 1 H A N D L I N G, IN S T A LL A T IO N A N D S ER V IC E M A N U A L HI-DELTA 302ACE-2342ACE SERIES h o t w a t e r b o i l e r s f o r c e n t r a l h e a t i n g /...
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Page 2: Table Of Contents
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS LIST OF CONTENTS 4. Version. Closed on 28. 05. 2008 LIST OF CONTENTS GENERAL DESCRIPTION OF THE GAS APPLIANCE 1.1. PARTS LIST AND PRODUCT IDENTIFICATION 1.1.1. Serial number 1.2. - Page 3 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.6. FLOW RATE DEMANDS FOR HEATING APPLICATIONS 3.6.1. Freeze protection for outdoor boilers 3.7. FLOW RATE DEMANDS FOR DIRECT HEATING OF DOMESTIC HOT WATER 3.8. GAS SUPPLY 3.8.1.
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Page 4: General Description Of The Gas Appliance
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS GENERAL DESCRIPTION OF THE GAS APPLIANCE 1.1. PARTS LIST AND PRODUCT IDENTIFICATION The gas appliance contains the following parts: Further accessories: - gas train - Warranty documents, Installation Handling and Service - burner system Manual - blower(s) -
Page 5: Safety Instructions
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 1.2. SAFETY INSTRUCTIONS Natural gas and PB gas contain an odorant to If you suspect gas leakage : make the detection of an eventual gas leakage - Do not touch any electrical switch;... -
Page 6: Technical Data
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 1.3. TECHNICAL DATA Nominal net input Gas consumption Flue gas Number (kW) Weight volume Model of stages (kg) Natural gas LPG gas Natural gas LPG gas (kg/h) 302ACE 8,016... - Page 7 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS Nominal net input Gas consumption Flue gas Number (kW) Weight volume Model of stages Natural gas LPG gas (kg) Natural gas LPG gas (kg/h) 992ACE 27,054 20,9 1262ACE 34,068...
- Page 8 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS Combustion efficiency (without E8 option) 93,2 % → Minimal allowed inlet water temperature: Combustion efficiency (with E8 option) 96,6 % → Minimal allowed inlet temperature: Nominal gas supply pressure (natural gas): 20/25 mbar Flue gas temperature: 121-138...
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Page 9: General Layout And Description Of Operation
WITH FAN ASSISTED PREMIX BURNERS 1.4. GENERAL LAYOUT AND DESCRIPTION OF OPERATION The Hi-Delta 302ACE-2342ACE series gas appliances can This is why whenever the burners are on a properly sized be used as heating boilers of central heating systems circulation pump must always be operated as well. The circulating liquid medium. - Page 10 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS...
- Page 11 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS All Hi-Deltas from 302ACE up to 2342ACE are wired At the 1262ACE model gas valve #3 will be supplied and similarly, up to safe limits, but the quantity of gas valves, “STAGE 2”...
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Page 12: Fields Of Application
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 1.5. FIELDS OF APPLICATION - Heating systems for buildings - Direct heating of the water of swimming pools - Direct heating of domestic hot water - Direct water heating for technological processes 1.5.1. -
Page 13: Systems Below 105 C Down To 40 C
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 1.5.3. Systems below 105 C down to 40 The great mechanical strength and thermal-shock The built in flow switch prevents the operation for the resistance of the die-rolled copper finned tubes heat burners of the Hi-Delta effectively if there is too little exchanger makes Hi-Deltas ideal to operate in high flow through the heat exchanger. -
Page 14: Direct Heating Of Domestic Hot Water
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 1.5.4. Direct heating of domestic hot water Domestic Symbols hot water Safety valve Pump Pipe connection Discharge valve Check valve Ball valve Thermometer Return from Cold Water circulation from drinking water supply... -
Page 15: Systems Below 40 C
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 1.5.5. Systems below 40 Little temperature rise on the heat exchanger during operation, The return temperature of the Hi-Deltas is allowed high insensitivity to condensation and wide operation range of to be decreased to 40 C only. -
Page 16: Direct Heating Of Swimming Pools
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 1.5.6. Direct heating of swimming pools Direct heating of the water for swimming pools is a typical Lime and scale will form on the inner surface of the heat example of low temperature applications. -
Page 17: To The Attention Of The User
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS TO THE ATTENTION OF THE USER 2.1. THINGS TO ARRANGE BEFORE THE FIRST OPERATION OF THE APPLIANCE The installation of the Hi-Deltas must be executed by a qualified person only. - Page 18 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS Do not attempt to ignite the burners with a If necessary the ignition sequence is repeated five match! The burners will be ignited automatically times, then the appliance locks out in locked position by the appliance when needed.
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Page 19: Operation Status Indication
WITH FAN ASSISTED PREMIX BURNERS 2.3. OPERATION STATUS INDICATION The actual operation status of the Hi-Delta 302ACE- 2342ACE appliances is indicated through led panels on site. The Hi-Delta is an integrated system that controls its safe operation thoroughly. Forwarding the 24V AC collected error signal that applies on the ALARM output of the inner panel whenever the “SAFETY”... -
Page 20: Temperature Adjustment
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 2.4. TEMPERATURE ADJUSTMENT The selected outlet temperature is indicated on the circular scales of the automatic high limit and the manual high limit. The temperatures can be adjusted by turning the knob. The highest allowed outlet temperature in technological and heating systems is 105 C, if all necessary technical conditions are... -
Page 21: How To Turn Off The Appliance
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 2.5. HOW TO TURN OFF THE APPLIANCE 1. Turn the rocker switch located on the side of the electric control box to “STANDBY” position. The burners stop immediately. The pump also stops after overrunning. -
Page 22: Periodic Maintenances To Be Carried Out By The User
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 2.7. PERIODIC MAINTENANCES TO BE CARRIED OUT BY THE USER Call an authorized service to execute the annual Check the air filter periodically! Clean it when needed! maintenance! Call authorized... -
Page 23: To The Attention Of The Installer
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS TO THE ATTENTION OF THE INSTALLER SK FOR OUR DETAILED PLANNING GUIDE www.huray.eu... -
Page 24: Venting Systems
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.1. VENTING SYSTEMS EN 1443-2001 APPLIED STANDARD T160 TEMPERATURE CLASS PRESSURE CLASS RESISTANCE CLASS AGAINST SOOT FIRE RESISTANCE CLASS AGAINST CONDENSATION RESISTANCE CLASS AGAINST CORROSION RESISTANCE AGAINST HEAT CONDUCTION REQUIRED DISTANCE FROM INFLAMMABLE MATERIALS Combustion Air Venting category material quality... - Page 25 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS EN1443-T160-N1-O-D-1-RXX-C60 Vertical vent with natural draft, negative Galvanized steel, pressure without flue PVC, C 33 baffle/deflector. ABS, CPVC Vertical combustion air supply from outdoor With E8 efficiency option: EN1443-T140-N1-O-W-1-RXX-C60 Vertical vent with EN1443-T160-N1-O-D-1-RXX-C60...
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Page 26: Changing The Flue Outlet On Site Of The Installation
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.1.1. Changing the flue outlet on site of the installation Follow these instructions to change the flue connection from Remove the screws, flue collar and gasket from the the standard top location to the rear of the appliance (when the run side of the tee located in the flue box on the top optional vent tee is ordered). -
Page 27: Indoor Installation
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.2. INDOOR INSTALLATION - The appliance(s) can be installed in „D” fire hazard category clearance of 700 mm in front and at least 460 mm on the water boiler room, mounted on a level, structurally sound surface, in connection side. -
Page 28: Outdoor Installation
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.3. OUTDOOR INSTALLATION The factory supplied air filter must always be The Hi-Delta appliances are designed for many years of used on appliances installed outdoors. trouble-free and economic outdoor operation. (Water protection: IP X4) 3.3.1. -
Page 29: Outdoor Installation With Chimney
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.3.2. Outdoor installation with chimney Further considerations regarding outdoor installations: 1., The appliances must not be installed in the reach of inflammable or explosive gases. 2., They must not be located in air streams containing any of the gases of the following chemicals: Freon, calcium- chloride, potassium-chloride,... -
Page 30: Installing A Group Of Appliances
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.4. INSTALLING A GROUP OF APPLIANCES Bronze or glass lined cast iron headers close the ends of the The appliance is called to be left-handed if the water heat exchangers, which might be interchanged on the site of connections are to your left when facing the front of the the installation easily after being removed by unscrewing... -
Page 31: Group Of Appliances Located Next To Each Other, Connected To Flue Pipes
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.4.1. Group of appliances located next to each other, connected to flue pipes 3.4.2. Two appliances located over each other in a boiler room Two appliances can be stacked over each other in the boiler room on a rack. -
Page 32: Group Of Appliances Located Next To Each Other, Connected To The Factory
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.4.3. Group of appliances located next to each other, connected to the factory supplied outdoor vent kit Appliances installed outdoors do not need any Outdoor installed appliances can be connected to a chimney basically but the factory supplied properly heat insulated flue system when it is needed. -
Page 33: Water Piping
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.5. WATER PIPING Thanks to the excellent heat conductivity of their copper Flow rates are recommended to be kept between heat exchanger, the Hi-Deltas contain very little amount of „Minimum Flow”... - Page 34 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS Water hardness must be considered when selecting design flow rate for a Hi-Delta installed for direct heating of domestic hot water. The water connections must be installed in a way that they could be disconnected from the heater easily for servicing the heat exchanger.
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Page 35: Flow Rate Demands For Heating Applications
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.6. FLOW RATE DEMANDS FOR HEATING APPLICATIONS The data in the tables refer to pure water. The flow switch will not operate if flow rate is less than Flow rate: m3/h 4,6 m Pressure drop through the appliance: kPa... -
Page 36: Freeze Protection For Outdoor Boilers
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.6.1. Freeze protection for outdoor boilers Outdoor running pipes are advised to be heat insulated and Consider higher viscosity, higher density and lower heat their length to be minimized. conductivity of glycol compared to water when selecting pumps for antifreeze systems. -
Page 37: Gas Supply
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.8. GAS SUPPLY 3.8.1. Maximum gas supply pressure The supply pressure measured at the inlet of the gas The nominal inlet gas pressure is 25/20 mbar for natural gas and valves shall never exceed 200 mbar! Exceeding gas 50 mbar for Propane or Propane-Butane. -
Page 38: Power Supply
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.9. POWER SUPPLY Electric connections from both ends Electric supply demand for the appliance: 230V / 50Hz. These electric lines must be separable from the grid one by one. Input demand: The own input demand of the gas appliance plus They must be connected permanently via double pole the input demand of external equipment supplied from the... -
Page 39: External Thermostat Or Stage-Controller Via Voltage-Free Contacts
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.9.1. External thermostat or stage-controller via voltage-free contacts the second stage of the controller must be connected to the second burner stage, and so on. One thermostat or controller stage can control several burner stages, if the thermostat or the controller stage is connected to the lowest of the burner stages intended to be operated together and the other stages must be... -
Page 40: Pump Control Via 230V 50Hz Output
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 3.9.2. Pump control via 230V 50Hz output Detailed description at 4.2.3. Check if the fuse or circuit breaker leading to the appliance is big enough to handle the total load of the gas appliance and the pump! Connecting electric wires into the appliance is allowed to be carried out by an authorized... -
Page 41: To The Attention Of The Service
WITH FAN ASSISTED PREMIX BURNERS TO THE ATTENTION OF THE SERVICE SK FOR OUR DETAILED PLANNING GUIDE www.huray.eu The works described in this chapter are allowed The works described in this chapter are allowed to be carried out only by an authorized service to be carried out only by a qualified person over during the warranty period of the gas appliance. -
Page 42: Electrical Connection Of The Appliance
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.2. ELECTRICAL CONNECTION OF THE APPLIANCE 4.2.1. Wiring diagrams... - Page 43 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS...
- Page 44 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS Writings on the ladder diagrams and the panels. See also at 4.2.10. English text Meaning MAIN POWER SWITCH CONNECTION BY DEFINITION TRANSFORMER BY DEFINITION POWER BY DEFINITION STGX STAGEX BURNER STAGE BY NUMBER...
- Page 45 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS...
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Page 47: Connecting The Mains Power Supply
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.2.2. Connecting the mains power supply 230V 50Hz mains power supply shall be connected by Do not connect the appliance to the mains if a three-wire cable to the “ln” signed connection points the voltage between the neutral and the on the C rail. -
Page 48: Connecting The Pump Control
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.2.3. Connecting the pump control The appliance is able to supply 230V 50Hz output for a Check if the fuse or circuit breaker leading to pump or a pump control relay through the connecting the appliance is big enough to handle the points on the C rail signed “Pump”. - Page 49 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS...
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Page 50: Connecting The Enabling/Disabling Of Operation
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.2.5. Connecting the enabling/disabling of operation Enabling/disabling the operation of the appliance is allowed by Connecting external voltage or electrical load connecting voltage-free contacts only. Jumpering the contacts of between the contacts of the enable/disable the „ENABLE”... -
Page 51: Connecting External Low Water Cut-Off Switch
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.2.7. Connecting external low water cut-off switch Low water cut-off switch can be built into the hydraulic system Connecting external voltage or electrical load of the gas appliance when needed, which is not included in the between the contacts of the „LWCO_OPT”... -
Page 52: Operation Of The Hot Surface Ignition System
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.2.9. Operation of the hot surface ignition system The burners are direct ignited by the hot surface igniter(s). The In case of a successful ignition the Hi-Delta begins to establishment of the flame is supervised by ion-current remote operate continuously. - Page 53 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS...
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Page 54: Operation Of The Inner Control Panel, Meaning Of The Control Lights
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.2.10, Operation of the inner control panel, meaning of the control lights Led lights inform you about the actual operation It is a prior for the proper operation of the lights that status and errors of the inner control systems. - Page 55 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS...
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Page 56: 4.2.11. Operation Of The Time Delay Relays, Meaning Of The Control Lights
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.2.11. Operation of the time delay relays, meaning of the control lights The purpose of the TD time delay relays, which are It is forbidden to change any of the factory located on the C rail is to separate the operation of each settings on the TD time delay relays because burner groups by time. -
Page 57: First Starting Of The Appliance
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.3. FIRST STARTING OF THE APPLIANCE The handling of the appliance is detailed in the Remove the side cover of the electric control box on the chapter at 2.1., 2.2., 2.3., 2.4. -
Page 58: Blower Adjustment
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.3.2. Blower adjustment While the appliance is turned off, close the gas Appliances installed outdoors do not need any cock leading to it! chimney basically but the factory supplied Connect the manometer to the measuring point outdoor vent kit must always be installed on located near the air proving switch of a blower! -
Page 59: Burner Gas Pressure Adjustment
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.3.3. Burner gas pressure adjustment While the appliance is turned off, close the gas The gas valve stays open when the ignition is cock leading to it! successful and the measuring becomes possible. -
Page 60: Safety Inspections
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.3.4. Safety inspections Leave the pressure manometer connected for checking the Check the proper operation of the flow switch! inlet supply pressure continuously during the safety Turn off the primer pump for a short time! All inspections! Leave open the side cover of the electric burners must go out. -
Page 61: Flame Cut-Out Test
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.3.5. Flame cut-out test The burners of the Hi-Deltas are divided into burner Open the gas cock leading to the appliance and groups equal to the number of the built-in double seated start operation! “class A”... -
Page 62: Final Check Of The Operating Appliance
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.3.6. Final check of the operating appliance Assemble the gas appliance to normal operation Test the combustion of the Hi-Delta by using and replace back all side panels too! flue gas analyzer! Start and stop the appliance several times Make sure that none of the chemicals mentioned... -
Page 63: Convertion To Another Type Of Gas
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.4. CONVERTION TO ANOTHER TYPE OF GAS For converting to another gas type: The supply pressure measured at the inlet of the gas valves shall never exceed 200 mbar! Exceeding Replace all gas orifices! The lower side panel must gas pressures can damage the gas valves. -
Page 64: Assembly And Cleaning Of The Heat Exchanger
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.5. HEAT EXCHANGER ASSEMBLY AND CLEANING Follow these instructions for removing the heat exchanger Push the header firmly against the O-rings, install on site of the installation for cleaning or reversing the and tighten the flange nuts onto the stud bolts water connection side until finger tight! - Page 65 HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS...
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Page 66: Periodic Maintenance To Be Carried Out By The Service
HANDLING MANUAL SERVICE MANUAL RAYPAK HI DELTA BOILERS/WATER HEATERS WITH FAN ASSISTED PREMIX BURNERS 4.6. PERIODIC MAINTENANCE TO BE CARRIED OUT BY THE SERVICE Before beginning the maintenance make sure that the Disconnect the appliance from gas and electricity inspections described at 2.7 are all done! Execute them if than remove lower front panel! needed! Remove lower manifolds and burner tubes!
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