Home

Air Conditioner User Manual (all Models)

Contents

1. NOTE Carefully read the information contained in this manual It contains important instructions regarding installation use and maintenance safety Save this manual for any future needs The manufacturer cannot be held responsible for any damages from improper erroneous or irrational use With the aim of continuously improving of quality of our products manufacturer reserves the right to change reported instructions and drawings without any prior notice 1 GENERAL WARNINGS This manual is an integral and essential part of the product and must be given to the owner Only qualified technicians strictly complying with the manufacturer s instructions and the local standards should install this product The manufacturer will not accept responsibility for personal injuries or property damage resulting from improper installation Qualified technicians are those having specific technical competence in air conditioning and gas appliances according to international and national standards This appliance must be used exclusively for its intended purpose All chilling applications must be in accordance with the operating specifications of the unit Any other use is considered improper and therefore dangerous Steps must be taken to avoid improper use and potential dangers The fluids used in the sealed refrigerant circuit may cause health problems if inhaled ingested or when allowed to come into contact with the skin It is reco
2. i Y gt lsILOAY YAENVHO SNrT3A31 INVH3OIHH3H INVH3OIHH3H dino YOdVA YqdOLVYEANAD uaNdr ig gHoO1vdOdv d LVAH LNVHd39OIdddd NOIL TIOS udgudosav Q31005 NOILN1OS RESTRICTOR E NOIL TIOS oc O ra rr 0 oc Figure 1 ABSORPTION REFRIGERANT CYCLE Installation Start Up Adjustment and Maintenance Manual Feenolleat DESCRIPTION OF THE CHILLER OPERATIONS All chiller functions and operations are monitored and controlled by the electronic control board The temperature probes placed on the system in order to monitor the operation of the chiller are transferring the following operating temperatures to the electronic control board Outlet chilled water temperature inlet chilled water temperature ammonia outlet temperature from condenser external ambient temperature generator temperature Further control of the chiller s operation is carried out by high temperature limit switch high pressure limit switch water flow switch differential air pressure switch chilled water thermostat hydraulic pump rotation probe To control the startup of the chiller it is necessary to install a control switch not included with the unit The switch can be a programmable timer room thermostat or any other type of on off switch The installer must do installation of this switch Approximately 1 second after the control switch is closed the electronic contr
3. All piping must be properly insulated according to federal and local codes to avoid thermal losses and condensate on the water lines All seams and joints should be carefully made so as to be air and watertight For size of water connections on the unit refer to TECHNICAL DATA sheet in SECTION 2 Connections at the coil or heat exchanger must be performed in accordance with the recommendations of the coil or heat exchanger manufacturer For best performance the supply chilled water line must attach to the side of the coil or heat exchanger nearest the exit of the leaving cooled medium If the heat exchanger is an air coil the air coil must be installed downstream from the furnace to avoid condensation in the furnace Additionally if the heat exchanger is an air coil a P trap must be provided to drain condensate The height of the P trap must be sufficient to ensure drainage of condensate Any horizontal run of the condensate drain line must slope 14 for each running foot and not be smaller than 34 P S to assure the condensate will drain by gravity The condensate drain line must be insulated and ran to a suitable drain Installation Start Up Adjustment and Maintenance Manual USE IF THE CHILLER IS THE HIGHEST POINT IN THE SYSTEM OUTLET pem FLEXIBLE CONNECTIONS WATER PUMP PRESSURE TEMPERATURE FILL DRAIN VALVE TAPS WATER FILTER EXPANSION TANK REGULATION VALVES AIR BLEED ON INLET WATER LINE
4. KIT NO 16009 726 GAS CONTROL KNOB Figure 25 GAS VALVE 6 4 USED OIL BURNER ADJUSTMENTS 1 IMPORTANT Prior to starting the unit pre fill the filter and fuel line with oil to assist priming procedure Oil pump motor turns at low RPM s and would take significant time to complete priming process if not pre filled 2 Making sure the thermostat is turned off apply power to the Chiller unit Switch burner main power switch to ON position After allowing the oil pre heater time to establish temperature setpoint approximately 5 minutes Jump the T terminals on the Oil Primary Figure 26 Once the burner is running temporarily jump the F terminals on the Oil Primary This will allow the burner to run during the pump priming process 3 Priming the oil pump Open bleeder valve one turn until all air is expelled Figure 29 This may need to be done twice to insure all air is removed IMPORTANT When fully purged and flame is established remove temporarily jumpers on and T terminals of the Oil Primary to allow safety features of the unit to operate properly 4 Adjust air supply of integrated air compressor to 12 13 P S I This is factory preset however due to freight handling settings may be compromised 5 Adjust oil pump motor speed at adjuster post to reed 1 5 PSI on the oil gauge located on the burner Installation Start Up Adjustment and Maintenance Manual 48 feonotleat 6 Combustion air band sh
5. 0 472 0 354 0 236 75 0 780 0 725 0 702 0 669 0 613 0 502 0 390 0 0 792 0 739 0 718 0 812 0 764 0 745 0 716 90 100 0 828 0 785 0 767 0 741 Table 7 0 634 0 669 0 528 0 573 0 422 0 698 0 610 0 523 0 436 0 347 0 261 0 174 110 0 842 0 802 0 786 0 762 0 723 0 642 0 561 Installation Start Up Adjustment and Maintenance Manual 0 481 0 401 0 321 0 241 29 The connections for water and gas piping are located at the service plate on the right side panel of the chiller see Figure 13 6 1 4 OIL CONNECTION 1 4 GAS CONNECTION 1 13 16 WATER CONNECTIONS 1 FPT ELECTRICAL KNOCKOUTS 7 8 6 7 8 Figure 13 SERVICE PLATE DIMENSIONS 4 4 GAS SUPPLY PIPING All gas piping must conform to the latest edition of National Fuel Gas Code ANSI Z223 1 and all local gas piping codes In Canada the gas piping must conform to the CGA Standard CAN1 B149 1 and 2 Installation Code for Gas Burning Appliances amp Equipment and local codes Your gas utility must be contacted regarding local requirements type and size of gas lines Safe lighting and other performance criteria were met with the gas manifold and control assembly provided on the chiller when it underwent the tests specified in the standards shown on the rating plate For Natural Gas the minimum inlet gas pressu
6. C C C Figure 10 WATER PIPING DIAGRAM FOR A SINGLE UNIT 4 2 SIZING A SYSTEM PUMP When sizing a pump there are two pieces of information that must be found in order to select the appropriate pump 1 Flow rate GPM gallons per minute 2 Pressure drop P D The OWC 5 has a GPM flow rating of 12 2 4GPM per Ton with pressure drop of 13 0 feet of head Pressure Drop can be determined by several methods The equivalent length method is the one demonstrated in this document It converts all valves and fittings in to equivalent length of straight pipe The pressure drop is determined by the system design pipe sizes fittings equipment There are two main units of measure for the pressure Feet of Head and Pounds per Square Inch psi These two units of measure are related by equation 1 Equation 1 1psi 2 31 Feet of Head To determine the pressure drop using the equivalent length method follow these steps Add up all straight runs of pipe both supply and return Count all types of fittings by pipe size and pressure drop Find corresponding Equivalent Length of fittings on Table 2 Multiply number of fittings by equivalent length Add total length of pipe and equivalent length of fitting together to get Total Length of Pipe Multiply equivalent length of pipe by friction loss See Table 3 Find Pressure Drop of Equipment Chiller and Air Handler If needed convert to feet of head by using equati
7. USED OIL or GAS PROPANE FIRED AIR COOLED ABSORPTION WATER CHILLER OWC 5 Series INSTALLATION STARTUP ADJUSTMENT MAINTENANCE Ey IF UNIT OVERHEATS OR UNIT S WARNING If the information in this GAS VALVE FAILS TO SHUT OFF manual is not followed exactly a fire or DO NOT SHUT OFF ELECTRICAL explosion may result causing property SUPPLY TO UNIT NSTEAD SHUT OFF GAS damage personal injury or loss of life SUPPLY TO UNIT CALL SERVICE COMPANY not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WARNING Never burn chlorinated solvents mixed with oils or otherwise rapid corrosion to Do not try to light any appliance internal metals will occur optional Do not touch any electrical switch do chlorine test kit is available from the not use any phone in your building factory upon request Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier NOTE call the fire department The power supply line must not be used Installation and service must be performed to turn the unit ON OF OFF The the gas supplier for this purpose WHAT TO DO IF YOU SMELL GAS Econo Heat 5714 1st Avenue Spokane Washington 99212 509 534 1022 fronotleat The OWC 5 Chiller can operate using either used oil or gas propane Normal operation of the Chiller will attempt to r
8. Provide for a gangway all around the unit for maintenance purposes WARNING IF ROOF MOUNTED A FIRE PROOF BARRIER IS NEEDED BETWEEN CHILLER AND ROOF Installation on roofs directly above sleeping quarters should be avoided if possible If not possible special consideration must be given to the transmission characteristics of the building structure The use of vibration isolators under the equipment acoustically insulated bases and approved flexible connections vibration dampening pipefittings between the unit and the system piping is recommended LEVELING The unit should be level both front to back and side to side Place a level on the top of the unit to check for level If the unit is not level metal shims are recommended for use under proper corners to obtain level If the shim s thickness exceeds 1 2 support shims should be inserted under the center of the unit 20 Installation Start Up Adjustment and Maintenance Manual 4 HYDRONIC AND OIL GAS INSTALLATION 4 1 WATER PIPING DESIGN AND INSTALLATION Piping for the chiller is to be designed and installed as a closed hydronic circuit The following items not supplied must be installed close to the unit see the Figure 10 FLEXIBLE CONNECTIONS to avoid vibration transmission to the chiller water lines PRESSURE TEMPERATURE TAPS in the inlet and outlet chiller water lines to set and measure proper water flow and water temperatures CHILLED WATER
9. condition of the fuses The 5 50 board requires a 10A 3 15A and 2A fuse The size of the fuse is labeled on the electronic control board next to the respective fuse holder see Figure 39 The maximum current carrying capacity of the N O Contact is 4A Refer to Section 5 2 Pump Wiring An isolation relay MUST be used to separate the unit s transformer from additional equipment having a transformer or damage to the S 50 board will occur Refer to Section 5 3 Control Switch Wiring Relay Kit No 18010 116 IGNITION CONTROL BOX When power is supplied to the unit and consequently to the R terminal on the ignition control box the ignition control will reset perform a self check routine initiate full time flame sensing flash the diagnostic LED for up to four seconds and enter thermostat scan state See Figure 38 When the control switch is closed the electronic control board will energize the ignition control box starting the ignition sequence 24 volts applied to the W terminal on the ignition box The ignition control box will check the differential air pressure switch for open contacts If the differential air pressure switch contacts are closed and stay closed for 30 seconds an air flow fault will be appear The diagnostic LED on the ignition control box indicates this fault In this mode the ignition control box will not start the premixer blower If the pressure switch contacts are open th
10. lt SHUT OFF VALVE SEDIMENT TRAP Figure 14 TYPICAL GAS CONNECTION Chiller Unit Low Voltage Wire Room Thermostat Shop Air Supply Natural Gas Propane Supply Water Circulator Pump Can use existing A Coil ifitis a water type radiator exchanger in duct work or add another to keep existing A C backup Figure 15 TYPICAL AC CONNECTIONS Installation Start Up Adjustment and Maintenance Manual FROM GAS SUPPLY 220Vac Supply 120 Pump Power Waste Oil Tank Oil Pump 3 8 Nom ID W Flare Type Connections 31 Feenolleat 5 ELECTRICAL CONNECTION 5 1 POWER SUPPLY All wiring should be installed in accordance with the latest edition of the National Electrical Codes ANSI NFPA No 70 CSA Standard C22 1 when installed in Canada and with any local codes The unit s electrical system is pre wired for single phase 208 230 volt and 60Hz operation The control box includes a 208 230 24 volt transformer to supply low voltage to the control system The high voltage or line connections to be made at the time of installation consists of connecting 208 230 volt 60 Hz to the high voltage terminal strip of the control panel A fused disconnect switch should be installed in the 208 230 volt supply line within sight of and not over 50 feet from the unit see Figure 16 NOTE An error in wiring installation could cause problems during the unit s operation and cou
11. 58 500 55 100 50 F 61 400 60 600 58 800 56 600 Table 1 tc 2 2 0 LLI 2 SHIPPING CRATE DIMENSIONS 58 H x 94 D x 52 W SEE FIGURE 10 FOR DETAIL Figure 5 UNIT S DIMENSIONS Installation Start Up Adjustment and Maintenance Manual _ 15 PRESSURE DROP FEET OF HEAD 19 18 17 16 15 14 13 12 11 10 46 52 55 63 F 11 5 12 12 5 13 13 5 14 WATER FLOW GALLONS PER MINUTE Graph 1 UNIT S PRESSURE DROP AS A FUNCTION OF INLET WATER TEMPERATURE 16 Installation Start Up Adjustment and Maintenance Manual 3 INSTALLATION 3 1 GENERAL RULES Only qualified technicians in compliance with the manufacturer s instructions should carry out the installation and maintenance of the OWC 5 unit The installation of the appliance must conform to the requirements of the authority having jurisdiction or in the absence of such requirements to the latest edition of the National Fuel Gas Code ANSI Z223 1 If the unit is installed in Canada the installation must conform to the Canadian Gas Association Standard CAN1 B149 1 and 2 All wiring should be installed in accordance with the latest edition of the National Electrical Codes ANSI NFPA No 70 CSA Standard C22 1 when installed in Canada and with any local codes The manufacturer cannot be held responsible for any damages to persons animals or goods due to improper er
12. FILTER mounted in the water inlet line to remove debris from the chiller water lines REGULATION VALVES for adjusting proper water flow rate WATER PUMP properly sized for system EXPANSION TANK must be properly sized based on the hydronic system size maximum thermal expansion and maximum water pressure FILL VALVE for filling draining or flushing the hydronic system AIR BLEED set at the highest point in the hydronic system for removal of air To ensure the correct operation of the unit and to avoid the water freezing add 20 by volume of glycol antifreeze to the circulation water Add more glycol as needed for the minimum external temperature of the installation zone see Table 1 When using an automatic water charge system the glycol percentage must be checked once a year There must be correct chilled water flow when the unit is operating and during the shut down period 215 seconds between turning the burner off and complete shutdown of the appliance Piping diameters of tubes etc must be sized appropriately in order to ensure the correct chilled water flow necessary for the proper operation of the unit The water lines should also be sized so the maximum velocity of the water glycol solution in the lines does not exceed 6 feet per second to avoid excessive noise When rigid pipes are used it is recommended to use flexible connections between the unit and piping to avoid vibration transmission
13. Pressure Switch NPH is located on the rear side of the Leveling Chamber Check Pressure switch When open released reset it manually Wires Disconnected or damaged Check the wiring and continuity disconnect the wires from the board checking E03 LOW TEMPERATURE CHILLED WATER CONTROL auto reset at end of condition Low Temperature Chilled Water Control is a non adjustable set point to indicate possible freezing condition The set point is compared to the outlet water line s thermistor THM reading Check Thechilled water flow rate Regulation of chilled water thermostat on electronic board particularly if minimum chilled water thermostat set point is 37 F E04 DEFICIENT CONDENSER ABSORBER VENTILATION OVERHEATING reset by shutting power supply off then on Safety based on relationship between condenser absorber temperature sensor located on the condenser outlet tube TCN and external temperature sensor located at the upper right rear corner of the chiller TA Check A Fan operation smooth rotation blade position fastening Condenser absorber s condition If dirty clean the condenser absorber coils Natural air circulation roof overhang or overhead obstructions could provoke the problems Sensors damaged reading improperly position check position and if reading improperly replace Fan power supply check the fan voltage white and black wires on the fan which must be at least 9
14. chilled water flow and shuts down the unit when the water flow stops or drops to an insufficient level Fault code E10 will display Oil Primary Control controls the oil burner ignition Checks for flame in the combustion chamber If no flame is detected within 45 seconds the oil primary control will shutdown the oil burner To restart the unit reset the red button on the oil primary control Installation Start Up Adjustment and Maintenance Manual i 11 v 5 go GAS VALVE KIT NO 16009 726 PREMIXER BLOWER ASSEMBLY KIT NO 16009 719 BURNER ASSEMBLY WATER INLET KIT NO 16009 621 HYDRAULIC PUMP WATER OUTLET KIT NO 16009 660 qo ELECTRICAL CONTROL BOX SEE FIGURE 29 FOR DETAILS GAS INLET Figure 3 FRONT VIEW Used Burner Assembly Removed For Clarity 12 Installation Start Up Adjustment and Maintenance Manual AIR BLAST MANIFOLD TUBE AIR OR GAS PROPANE AIR STORAGE SELECTOR TANK air or MANIFOLD additional self contained compressor AIR BLAST OR GAS PROPANE BURNER MANIFOLDS ASSEMBLY W ON BURNER COMPRESSOR for burneer gun HINGED assembly only COMBUSTION CHAMBER Figure 4 USED OIL BURNER COMBUSTION CHAMBER door open for chamber viewing Installation Start Up Adjustment and Maintenance Manual 13 Feenolleat 2 3 TECHNICAL DATA PERFORMANCE RATINGS
15. code E04 external ambient temperature above 131 fault code E05 external ambient temperature below 10 F fault code E06 Used Oil Burner Cooling Fan The fan will be operative whenever the used oil burner is running It helps in cooling the combustion chamber and burner assembly Generator Temperature Probe This probe controls the generator temperature If the generator temperature exceeds 330 F the unit will shut down and fault code E07 will be displayed When the temperature of the generator drops below 280 F the fault code will disappear and the unit will automatically restart If the probe senses 330 F three times in 60 minutes the unit will shut down and display fault code E08 on the electronic control board display Water Pump not supplied with the unit A water pump is used for chilled water circulation The burner will turn off when the water flow rate is insufficient or stopped for more than 15 seconds and a fault code of E10 will appear on the electronic control board During a normal shut down the water pump will if controlled by the electronic control board continue to run for 215 seconds Chilled Water Thermostat on the electronic control board detail C Figure 2 The Chilled Water Thermostat allows the service technician to adjust the minimum leaving water temperature set point When the leaving chilled water temperature reaches the set point the unit will shut down If the control switch is still calling
16. determine the pressure at the high point of the system is as follows 1 Shutthe pump off and wait for the water glycol mixture to stop flowing 2 Measure the water pressure at the unit using the pressure temperature taps 3 Measure the vertical distance between the pressure taps and the highest point in the system 4 Divide the vertical distance measured in Step 3 by 2 3 1psig 2 3 ft Take the pressure measured at the taps and subtract the answer from Step 4 This equals the pressure at the high point of the system CHARGING MIXING PUMP CONTAINER VALVE HYDRONIC SYSTEM S WATER PUMP Figure 24 COMPONENTS USED IN FILLING THE HYDRONIC SYSTEM TYPE OF APPROXIMATE PERCENTAGE OF ANTIFREEZE BY VOLUME PROPYLENE 6 F ETHYLENE 4 F Table 10 FREEZING POINTS OBTAINED BY VARIOUS CONCENTRATIONS OF ANTIFREEZE Installation Start Up Adjustment and Maintenance Manual 41 Inhibited Propylene or Ethylene Glycol added to the water changes its thermal physical properties particularly its density viscosity and mean specific heat Graph 2 gives the correction factors for the hydronic system s pressure drop as a function of glycol percentage added to the water The graph is accurate for water temperatures between 45 F and 55 F It is important to consider the correction factor for the sizing of the water pipes and water circulation pump For the unit s internal pressure drop refer to
17. for cooling i e closed the unit will restart when the leaving water temperature reaches 1 above the chilled water thermostat setting Low Temperature Chilled Water Control When the leaving water temperature is below the chilled water thermostat set point the appliance will be shut down If the control switch is calling for cooling i e closed and the water temperature falls below 33 F fault E03 will appear on the electronic control board display the water pump will run continuously after the normal shut down time of 215 seconds The unit will automatically restart when the outlet water temperature reaches 1 F above the chilled water thermostat set point When chiller is running the following operations are continuously monitored Temperature probes in the case of a short circuit or missing signal from the probes the unit will stop and the respective fault code will display on the electronic board High temperature limit switch and high pressure limit switch both are manual reset The intervention of any of these safeties causes the unit to stop and the respective fault code will display on the electronic board Oil burner photo eye detects the absence of flame If flame is not detected within 45 seconds the Oil Primary will shutdown the oil burner Installation Start Up Adjustment and Maintenance Manual 49 NOTE When the appliance is turned off from the control switch thermostat
18. is void 64 Installation Start Up Adjustment and Maintenance Manual Installation Start Up Adjustment and Maintenance Manual 65 WARRANTY CARD Please fill our tear off and return to manufacturer Return following warranty information to manufacturer within thirty 30 days of purchase or warranty will not be valid Please print or type Date of Purchase L AE daos a a Model vei 25205 Installed at Installation Start Up Adjustment and Maintenance Manual
19. only one of several ways that can be used to fill the hydronic circuit A container to mix water and glycol and a water pump to drive the mixture into the hydronic system is required 1 Open air bleed s located at the highest point in the system Connect the hose between the charging pump and Valve A Connect a hose to Valve C and place the other end of this hose into the mixing container see Figure 24 3 Mix the desired concentration and volume of water glycol in the container If the container will not hold the volume required to fill hydronic circuit multiple batches must be made 4 Close Valve B Open Valve A and Valve C Start charging pump to push the water glycol mixture into the hydronic system Air will be removed through the hose on Valve C as the hydronic system fills Continue to fill the system until the water glycol mixture returns to the mixing container via the hose on Valve C 5 If the volume in the mixing container is adequate to fill the hydronic system skip to Step 14 If the volume in the mixing container is inadequate to fill the hydronic system close Valve A prior to air entering the charging pump and shut the charging pump off 6 Make a new container of water glycol mixture 7 Start the charging pump and open Valve A to continue filling hydronic system Repeat Steps 4 through 6 as needed until hydronic system is filled or until charging pump is incapable of adding any additional mixture due to pump discharge hea
20. programmable timer or similar the hydraulic pump fan and water pump if controlled from electronic board will continue to run for the next 215 seconds Ty 00 29 v mi E JM rCHASOOO6S gt MR 0724 Figure 2 The S 50 Electronic Control Board CHILLER S COMPONENTS AND MAIN CONSTRUCTIVE FEATURES Generator made of mild steel baffle distillation column integrated vapor rectifier externally finned on the combustion chamber portion in order to improve the heat exchange characteristics Condenser Absorber two integrated circuits made of mild steel tubes with induction welded elbows and mechanically joined aluminum fins Designed to ensure condensation in external ambient temperatures up to 130 F Evaporator tube in shell type heat exchanger titanium stainless steel high efficiency heat exchanger which guarantees excellent performance of the unit in wide operating conditions thermal losses are reduced by a polystyrene insulation Solution pump Teflon diaphragm pump operated hydraulically by a one piston hydraulic pump that is driven by an electrical motor by means of a pulley and belt system Solution Cooled Absorber mild steel tube in shell heat exchanger Refrigerant Heat Exchanger stainless steel tube in tube heat exchanger Restricters for ammonia and weak solution drilled stainless steel disk type Installatio
21. qualified service technician must verify that electric and oil gas supplies are the same as indicated on the rating plate The fuel supply and water distribution systems are water tight appliance is supplied with the type of fuel for which it is preset The oil and gas supply gallons per hour and pressure conform to the oil flow rate and gas pressure indicated on the rating plate oil gas supply system is appropriately designed for the BTU and gas rate needed by the unit and equipped with all safety and control devices prescribed by standards in force WARNING To guarantee the correct operation of the unit and avoid possible failures ALWAYS turn off the unit by means of the thermostat or any switch that controls the operation of the unit NEVER turn off the unit by shutting off the power supply Installation Start Up Adjustment and Maintenance Manual snb 2 OVERVIEW AND TECHNICAL DATA 2 1 OVERVIEW The High Efficiency ACF series chiller is a single block water chilling unit equipped with an air cooled condenser and designed for outdoor installation The absorption cooling cycle is based upon a solution of water and ammonia for the production of chilled water at a temperature as low as 37 F The chilling system is fed by thermal energy provided by used oil burner or gas burner therefore the required electric energy is limited to driving the fan pump moto
22. the ability to control flame even when various viscosities are used furnace or stove oil to 90 weight straight flame remains stable Figure 30 Oil Pump 9 SERVICE AND MAINTENANCE Performing correct preventive service and maintenance will help to guarantee long life of the unit with high efficiency and low maintenance costs 48 Installation Start Up Adjustment and Maintenance Manual fconotleat ONLY Authorized Technicians strictly complying with the manufacturer s instructions and the local standards should perform maintenance and service on the unit s internal components Lubrication of condenser fan hydraulic pump and pre mixer motor is not recommended The operations described below must be performed once a year If the unit is installed on a heavy duty installation industrial plants 24hr operation etc it is necessary to increase the frequency of checks and services Maintenance to be performed on the unit Cleaning of the condenser absorber coils Cleaning of the burner oil and gas Cleaning of the generator Inspection of flue gas passage Change and check hydraulic pump oil level Priming procedure Check condition of belts Check condenser fan height NOTE Before any type of service is performed ALWAYS shut off the power supply at the main switch CLEANING THE CONDENSER ABSORBER COILS It is recommended to clean the condenser absor
23. the base pan around the generator housing of any debris Look down the flue opening at the back of the generator housing and clear any debris that may be obstructing the opening see Figure 32 Look down the air intake chute for combustion air and clear any debris that may be obstructing the opening Reinstall top panel Reinstall front door Turn on gas and electric supply to the unit 0 Start unit to check for correct operation o 99 It is recommended that at least once a year a qualified service technician perform routine maintenance on the equipment Gas burners do not normally require scheduled servicing however deterioration or an accumulation of lint may cause yellowing flame or delayed ignition Either condition indicates that a service call is required CHANGE AND CHECK OIL LEVEL 52 Installation Start Up Adjustment and Maintenance Manual DO NOT disconnect the hydraulic pump from the solution pump while performing any of the tasks listed below If the hydraulic pump is diconnected from the solution pump the hydraulic pump must be primed For the procedure to prime the hydraulic pump consult the Priming Procedure Change the oil after first season of operation Thereafter change the oil every five years The procedure to change the oil is as follows 1 Turn off the gas and electrical supply 2 Remove the front panel of the unit the pump cover c
24. water returning from the user s required cooling application thermal blowers fan coils etc within the chilled water system The cold low pressure ammonia vapor exiting the evaporator exchanges heat with the liquid ammonia coming from the condenser in the refrigerant heat exchanger The ammonia vapor then enters the solution cooled absorber where it comes into contact with weak solution from the generator that has been brought to a low pressure by means of a restricter Inside the solution cooled absorber the absorption process starts i e the dilution of ammonia vapor into the weak solution The absorption of ammonia vapor is an exothermic process i e heat is produced To have the vapor completely absorbed by the solution the solution exiting the solution cooled absorber must be further cooled in a portion of the condenser absorber coils Once the absorption process is complete the liquid solution contains a high concentration of ammonia also called strong solution A hydraulically driven diaphragm pump pumps the strong solution to the generator at high pressure As the strong solution is pumped to the generator it passes through the coil of the rectifier and the solution cooled absorber the GAX section where it is preheated before entering the generator The cycle then starts over 6 Installation Start Up Adjustment and Maintenance Manual YALVM Q3TIIHO NOILN1OS S09 H38HOS8V H3SN3 NOO
25. 0 of supply voltage to unit at time of fault code if lower replace electronic control board TON thermistor amp TA thermistor E05 EXTERNAL TEMPERATURE OVER 131 F auto reset at end of condition External Temperature Probe TA is located at the upper right rear corner of the chiller The external temperature must be under 131 for operation Check Natural air circulation roof overhang or overhead obstructions could provoke the problem The correct position of sensing bulb Sensor damaged reading improperly position check position and if reading improperly replace TA thermistor CODE FAULT DESCRIPTION E06 EXTERNAL TEMPERATURE BELOW 10 F auto reset at end of condition External Temperature Probe TA is located at the upper right rear corner of the chiller The external 56 Installation Start Up Adjustment and Maintenance Manual temperature must be above 10 F for operation Check Sensor damaged reading improperly position check position and if reading improperly replace TA thermistor E07 GENERATOR LIMIT TEMPERATURE OVER 330 auto reset at end of condition Generator Temperature Probe TG is located on the generator near the High Temperature Limit Switch Could be caused by a power out or starting the unit at low temperatures under 50 F Survey the machine for the next 30 minutes The third E07 alarm in 60 minutes will stop the chiller and E08 fault code wil
26. 2 43 3 29 w 327 w 492 w 557 5 4 74 452 16 1 r 2 3 1 36 r 450 7 158 9 55 242 2 63 3 77 1 50 1 70 2 00 2 43 2 85 3 35 4 00 2 00 2 43 2 70 3 08 3 40 3 70 4 13 4 40 4 90 5 97 1 70 1 83 eo 2 69 2 257 3 41 8 2 412 2 437 90 gt 509 229 2 78 Table 3 Water Friction Loss T Values may very with different manufactures Installation Start Up Adjustment and Maintenance Manual OWC 5 Chiller Air Handler Legend Flexible Connection 5 Water Pump 3 Pressure Temperature Tap 6 Fill Drain Valve Water Filter Strainer 7 Expansion Vessel Regulation Valve Figure 11 Piping detail with Air Handler Size the pump for the system shown in Figure 11 The supply piping is 75 long PVC The air handler has a 5 ton chilled water coil with a pressure drop of 2 9 psi Solution First you will need to determine the GPM of the system The Omni OWC 5 has a flow rate of 12 0 GPM and a pressure drop of 13 feet of head This is the first piece of information that is needed to size a pump With this information the pipe size can be found from Table 3 You will find that 12 GPM has a recommend size of 1 Plastic Pipe with a friction loss of 3 77 feet of head per 100 of pipe Now you need to find the pressure drop of the system To get the total system pressure you will need t
27. 3 LY 13599 1 37 vL NOL HHL WHL 340078 LINN 10H1NOO 03S 1 035010195 7236 SL HO4NAdO 14 H3NH 8 TV H3N39 33H 091 lt OL 334930 091 lt OL 01 gt VL 334930 S lt VL OAS 09 404 9 334930 LL lt VL NOL 334930 gt WHL N3dO AL34VS HdN N3dO AL34VS LIN oza 813 913 603 803 103 903 soa toa 03 103 S310N S3009 HOHH3 HOSN3S NOILVLOH d LHS GL HOLOWNV4 NV4 NOILO3NNOO H3LVM LX3 OHIO AO Z 802 NIVW LV SOWH3HL A OL H3MOd OVAvZ HOLIMS IWI13HSS3H d HdN HOLIMS IH LW HOLIMS MOT4 14 3univuadWaL HOLVH3N39 9L 3univH3dWaL LN3ISIWV V L SUNLVH3dWAL H3SN30NOO NO1 3Hn1VH3dWa3l LIINI H3LVM HHL 3univH3dWaL 131100 H31VM WHL NOLLdIHOS3G QHVOS HOLIMS Saud 99 dWAL IH 5 5 IMS MOT z j olls JE bh L Zh m Ob 6 2 9 v z o Y3STIIHO aasn SI H3 NHOJSNVH L ONIAVH 1 1VNOLLIQQV 31 LvLSOINH3HL Q3ulnO3u AV HH NOLLVTOSI SNOLLOQHLSNI dN LYVLS LNAWLSAPGV NOLLVTIVLSNI NI 03819530 SY 38 LSNW UNN LIND 1334 05 H3AO LON ANY 1H9IS NIHLIM Q3TT1VLSNI 38 TIVHS ATddNS 39VL1OA INT JHL 9
28. Figure 2 When operating demand has been satisfied and the control switch opens the electronic control board will Used Oil de energize the transfer relay which will shut down the Oil Primary causing the oil burner to shut off Natural Gas shutdown the ignition system i e the dual gas valve will close and the premixer motor will stop The gas burner shuts off And 215 seconds later the hydraulic pump condenser fan and water circulator contacts on the electronic control board open stopping the hydraulic fan and water pump motors These motors are ran for the 215 seconds to assure that solution is returned to the generator residual cooling in evaporator is used and the unit is made ready for the next operating demand Ammonia water solution pump The unit will stop if 15 seconds after start up or during the operation of the appliance no signal is received from the hydraulic pump rotation probe fault code E11 will appear on the electronic control board display 8 Installation Start Up Adjustment and Maintenance Manual Condenser Fan The fan s speed depends on the external ambient and condenser outlet temperatures When ambient temperature is above 91 F the fan is at full speed Condenser and external ambient temperatures are monitored continuously Fault codes will appear on the electronic control board display and the appliance will stop if any of the following occur condenser overheating fault
29. Graph 1 Example Total System Pressure Drop x Glycol Correction Factor Actual Total System Pressure Drop 1 08 1 06 1 04 1 02 1 00 0 98 GLYCOL CORRECTION FACTOR 0 96 20 30 40 50 Graph 2 PRESSURE DROP CORRECTION FOR GLYCOL CONCENTRATION 6 3 GAS PRESSURE ADJUSTMENT The manufacturer supplies the units already adjusted for a particular type of gas The type of gas can be checked and easily identified by looking at the rating plate on the side of the unit Nevertheless before starting the unit it is necessary to check and adjust if necessary the gas input to the burner Using the table below locate the proper manifold pressure according to the local gas heating value BTU content per cubic foot and specific gravity This table is based on the correct natural gas input for the model by manifold pressure in inches of water column in WC RTI I CONTENT SPFCIFIC GRAVITY OF NATIIRAI GAS PER ET PERCENTAGE OF ANTIFREEZE BY VOLUME Table 11 MANIFOLD PRESSURE BASED ON GAS INPUT OF 96 500 BTU HR USING 1113 ORIFICE The conditions referred to by the table above are for the guidance of the installer and the CSA design certification does not cover the conditions described therein Note For Propane Gas Models follow the same instructions as given below for natural gas The manifold pressure for propane gas should be 10 0 W C and adjustment is made at the gas
30. NAL TEMPERATURE PROBE FAILURE reset by shutting power supply off then External Temperature Probe TA is located at the upper right rear corner of the chiller Check Wiring to the electronic control board Before replacing the temperature probe check with a new temperature probe that the fault code will disappear from display connect the wires to TA connector on electronic control board TA thermistor E20 GENERATOR TEMPERATURE PROBE FAILURE reset by shutting power supply off then Generator Temperature Probe TG is located on the generator near the High Temperature Limit Switch Note The electronic control board does not check this thermistor until 15 minutes after the control switch closes Check Wiring to the electronic control board Before replacing the temperature probe check with a new temperature probe that the fault code will disappear from display connect the wires to TG connector on electronic control board TG thermistor Table 5 FAULT CODES 58 Installation Start Up Adjustment and Maintenance Manual NOTE After the exchange of the defective component the display will automatically reset If the power supply is interrupted for at least 5 seconds the electronic control board will reset The displaying of the Fault Codes is First In First Out FIFO 11 ADAPTING TO ANOTHER GAS NOTE ONLY an Authorized Techni
31. NLLdOHH3LNI S3HOLIMS 1VOIHLOGT3 S IOHLNOO HO NOLLVNY 1dX3 4OO8QNVH 30IAH3S 33S 440 NMOHS S3HOLIMS TIY JO NOLLISOd SALON roids OVA0Z 10 L3NI8VO m O 1 HOLOW HOLIMS ues HOLOW OL VINOWAV HOSN3S AWV14 3A3 OLOHd 1ejsouueu Yorn NOLO 3l H3TIOH INOO AUvNIHd 710 A NO Jeuuogue ono Mr 293 7 FE oss yungou HOLIMS 22 ce HOIH IVN VL NOL YHL WHL 31dnoo 1 123135 HANNE 22322233 025000 HOLMS 3unssdud 3NYA Svo U3TIOHINOO 0078 ualv3aH3Hd IMYA isvid daNufa IOHLINOO SVO Figure 23 WIRING DIAGRAM FOR ACF60 Installation Start Up Adjustment and Maintenance Manual 38 6 START UP AND ADJUSTMENT WARNING This unit should be started up by an Authorized Technician according to the manufacturer s instructions The end user is not authorized to perform start up and adjustment operations The owner s satisfaction is directly related to the correct installation proper adjustments and application of the unit Authorized Technicians must perfor
32. Nominal Cooling Capacity Btu hr 60 000 Natural Gas Used Input Btu hr 96 500 Maximum Ambient Operating Temperature F 131 Minimum Ambient Operating Temperature F 10 Condenser Air Flow Nominal CFM 6 000 Minimum CFM 2 000 Chilled Water Entering Temperature Nominal oF 55 Chilled Water Leaving Temperature Nominal oF 45 Chilled Water Flow Nominal GPM 12 Maximum Allowable GPM 16 Internal Pressure Drop Feet of Head psig 13 5 6 ELECTRICAL RATINGS Required Voltage 60 Hz Single Phase 208 230 Condenser Fan Motor HP Variable Speed 1 2 Full Load Locked Rotor Amps Nominal 3 1 6 2 Hydraulic Pump Motor HP 2 1 2 Full Load Locked Rotor Amps Nominal 3 1 24 2 Premix Blower Motor HP 1 50 Full Load Locked Rotor Amps Nominal 55 75 Burner Cooling Fan 1 4 Full Load Amps Watts 85 186 5 Burner Pump Electrical Requirements Voltage 60Hz VAC 115 Current Amp 10 5 Total Electrical Operating Consumption Unit only kW 1 4 Minimum Circuit Ampacity MCA Unit only 20 4 Maximum Over Current Protection MOCP Amp 30 Qty 2 Field Supplied PHYSICAL DATA Refrigerant Type 717 Unit Chilled Water Volume Gallons 1 3 Chilled Water Entering and Leaving Connections FPT 1 Gas Inlet Connection FPT 1 2 Electrical Entrance Knockouts Diameter Inches 7 8 Shipping Weight Pounds 980 Operating Weight Pounds 930 Notes 4 2 All illustrations and specifications contained herein are based on the latest information available at the t
33. S PRESSURE ADJUSTMENT Replace the stickers indicating the type of gas for which the unit is preset with the new one which indicates the type actually being used Installation Start Up Adjustment and Maintenance Manual VALVE FLANGE KIT NO 16009 728 GAS VALVE SUPPORT KIT NO 16009 730 INLET GAS PIPE KIT NO 16009 755 Figure 37 ADAPTING TO ANOTHER GAS 12 APPENDIX ELECTRONIC CONTROL BOARD S 50 All chiller functions and operations are monitored and controlled by the electronic control board When power is supplied to the unit the electronic control board will initialize the control program will appear on the display 60 will appear next showing that the power supply to the board is 60 hertz The display will next show the chilled water thermostat set point The board will then begin to monitor all thermistors and switches to ensure proper and normal working conditions If a fault occurs with any of the thermistors and switches a fault code will appear see Fault Codes in Figure 23 If no faults are found and the control switch wired to the R Y contacts is closed the electronic control board will start the unit The hydraulic pump condenser fan and water pump if controlled by the unit will start Simultaneously the electronic control board will energize the ignition control box to begin the ignition sequence see Ignition Control Box for details During operation
34. Y RELAY P dix OFF MINIMUM 215 SECONDS 230 VOLT WATER PUMP Figure 19 EXTERIOR CONTROL WIRING FOR A 230 VOLT WATER PUMP 5 3 CONTROL SWITCH WIRING A control switch that provides an ON OFF function is to be connected to the R and Y on the S 50 board see Figure 16 This wiring will carry 24 volt current and it is recommended to use a cable with the correct number of color coded 18 gauge wires Fan control or isolation relays must have a 24 volt AC coil which does not present more than a 0 25 amp load to the control circuit see Figure 20 Figure 21 and Figure 22 An isolation relay Kit No 18010 116 MUST be used to separate the chiller s transformer from any additional equipment having a transformer or damage to the S 50 board will occur THERMOSTAT WIRING Special consideration should be given to the control wiring when the chiller is used in an air conditioning application For details on wiring additional components ALWAYS consult the component manufacturer s wiring instructions The following diagrams give general layouts that can be used Single thermostat for heating and cooling control on a furnace This system offers constant fan operation at any time even with power OFF to the chiller It is readily adaptable to a furnace that has a fan relay or can be adapted to a heating only furnace with the addition of a fan relay and wiring the furnace controls as shown Note An isolation relay must be us
35. an remain in place 3 A hole is located in the bottom of the base pan to allow the positioning of a container for the collection of the old oil Unscrew the oil drain plug No 2 in Figure 33 using a 6mm hex key wrench Let the oil drain into the waste oil container the quantity of oil is about 0 5 0 6 quarts Replace the oil drain plug Do not over tighten Remove the oil fill plug No 1 in Figure 33 using a 6mm hex key wrench Refill with 0 6 quarts of Servel oil or approved equivalent Let any excess oil drain from fill plug opening 9 Replace the oil fill plug Do not over tighten 10 Turn on gas and electrical supply to unit and check for correct hydraulic pump operation ex org HYDRAULIC PUMP ASSEMBLY m 16009 660 OIL DRAIN PLUG Figure 33 RIGHT SIDE OF THE HYDRAULIC PUMP PRIMING PROCEDURE 1 Turn off gas and power supply to the unit 2 Turn the lower pulley to where the white mark is in the 9 o clock position i e horizontal 3 Remove the hydraulic hose s flared fitting from the hydraulic pump cylinder Keep the loose end of the hose up so the oil does not drain out Fill hose with oil if necessary 4 Fillthe pump cylinder to the top with oil 5 Tighten the hose s flared fitting onto the hydraulic pump cylinder 6 Turn the pulley clockwise to where the white mark is in the 6 o clock position the bottom dead center BDC as shown in Figure 34 7 Loosen the hose s f
36. be reset when the generator sidewall temperature drops below 280 F Fault code E01 will display when the switch is open High Pressure Limit Switch manual reset opens when internal pressure exceeds 375 psig causing the appliance to stop Fault code E02 will display when the switch is open Safety Relief Valve on the sealed circuit is set to release ammonia vapor if internal pressure exceeds 450 psig the valve closes automatically when pressure is under 450 psig Differential Air Pressure Switch on the combustion circuit stops the burner ignition due to insufficient combustion air flow Fault code E12 will display Ignition Control Box controls the burner ignition Checks the differential air pressure switch and starts the premixer blower After 15 seconds of purging the ignition control box opens the gas valve and starts the ignition transformer sparking at the burner for 10 seconds If no flame is detected the ignition control box will close the gas valve and retry lighting after an inter purge period of 15 seconds The ignition control box will try a total of three times to light The unit will stop if no flame has been established or detected after the 3 tries Fault code E12 will display To restart the unit turn off supply power wait at least 3 seconds and reapply supply power Dual Gas Valve two gas valves in the same housing electrically controlled which positively stops gas flow when either closes Flow Switch monitors the
37. ber coils regularly since the unit s cooling capacity can be greatly reduced by dirt on the coils see Figure 31 The user installer or service technician can perform this operation To clean condenser absorber coil proceed as follows Shut off the power and gas supply Remove the covering panels Use a brush to remove dirt from the outside and inside of the condenser absorber coils Using water pressure wash the coils from in to out and from top to bottom Point the hose down between the two coils and wash all the way around Care should be taken not to spray electrical components or to damage the aluminum fins Check that all dirt is removed Replace the panels Turn on the power and gas supply Start unit to check for correct operation Do not use solvents for cleaning the condenser absorber coils this could cause damage to the aluminum fins Installation Start Up Adjustment and Maintenance Manual 49 CONDENSER ABSORBER COILS Figure 31 FINNED CONDENSER ABSORBER CLEANING THE BURNER Tools Needed Fiber Bristle Brush Dust Mask 3M 8710 or equal Safety Goggles Hand Tools WARNING ALWAYS wear safety goggles PONS 50 Shut off gas and electric supply to unit Remove front panel Remove bolts and nuts securing premixer blower housing to burner tube flange Remove screws holding
38. burner and insulation retaining straps Note Wear a dust mask 8710 or equal NOISH MSHA TC 21C mask during burner removal cleaning and assembly operations Pry bottom of burner tube out to clear bottom of generator housing Pull burner down and out to remove from generator housing Note Be careful not to distort or damage the burner tube or the igniter and sensor assemblies in the generator housing Position burner tube with open end down Clean burner tube ports with fiber bristle brush and shake any debris out of the tube Inspect burner tube gasket that seals the burner tube to the generator housing and the burner flange gasket that seals burner to premixer blower housing Replace either gasket if damaged during burner removal process Installation Start Up Adjustment and Maintenance Manual Feenolleat 9 Replace burner tube in reverse order of removal Note Make sure the two gaskets are positioned correctly and that generator housing is properly sealed 10 Turn on gas and electric supply to unit 11 Start unit and check for correct operation CLEANING THE GENERATOR Tools needed Safety Goggles Dust Mask 3M 8710 or equal Soft Bristle Brush Wire Brush Hand Tools WARNING ALWAYS wear safety goggles Shut off gas and electric supply to unit Remove front and top panels Disconnect wires from ignition transformer mounted on left front panel to control box at the control box end Remov
39. ce is not producing chilled water check the following items before calling the Authorized Technician Installation Start Up Adjustment and Maintenance Manual 55 Feenolleat Check that power supply exists and that main switch is in the ON position Check that gas shut off valve is open Check that all on off switches timer thermostat ON OFF switch etc are in the position which requires the function on the unit If after all these operations the unit does not start do not try to repair the unit but call an Authorized Technician If a FAULT CODE is displayed refer to Table 5 When the chiller is in FAULT mode stopped electronic board s display will indicate the fault code The blinking character E followed by two numbers composes the error code This fault code is visible from the opening on the protection shield of the electronic control board CODE FAULT DESCRIPTION E01 HIGH TEMPERATURE LIMIT SWITCH auto reset but requires the high temperature limit switch to be manually reset High Temperature Limit Switch M1 is located on the Generator Check High Temperature Limit Switch when open released press the reset button Wires Disconnected or damaged Check the wiring and continuity disconnect the wires from the board when checking E02 PRESSURE SWITCH MAX PRESSURE SEALED REFRIGERATION UNIT auto reset but requires the high pressure switch to be manually reset
40. cian can perform the operation described in this section If the type of gas indicated does not correspond to the type to be used natural or propane gas by unit it must be converted and adapted to the type of gas to be used The gas orifice must be changed and the gas valve must be converted For this operation proceed as follows see Figure 37 1 2 3 4 5 6 10 12 13 Turn off the gas and electrical supply and remove front panel Remove the wires from the gas valve Remove the gas inlet pipe from gas valve by removing the 4 screws from the valve flange use 9 64 hex key wrench Remove 2 nuts of gas valve support use 7mm wrench Remove gas valve gas valve support assembly from unit Remove gas valve support and o ring from gas valve by removing 4 screws from gas valve support use 9 64 hex key wrench Attach correct gas valve to gas valve support using 4 screws removed in prior step Place o ring in correct position to avoid leaks Replace the brass gas orifice mounted on gas valve support with the correct size gas orifice as listed in SECTION 6 3 GAS PRESSURE ADJUSTMENT use 12mm wrench Install gas valve in unit and secure using 2 nuts to tighten gas valve support Attach gas inlet pipe to gas valve using 4 screws to secure valve flange and re attach wires Turn on the gas and electrical supply Adjust the gas pressure for the gas to be used following the instructions reported in SECTION 6 3 GA
41. complying with the manufacturer s instructions and the local standards should perform installation maintenance and service on the unit s internal components Installation and use of this used oil burning appliance shall be in accordance 44 Installation Start Up Adjustment and Maintenance Manual feonotleat with the standard for the Installation of Oil Burning Equipment ANSI NFPA 31 1987 and National Electric Code ANSI NFPA 70 1990 and the requirements of the inspection authorities having jurisdiction 7 1 OIL BURNER TECHNOLOGY The patented burner technology improves the efficiency of the oil burn process by continuous stabilization of the oil viscosity This is accomplished by precisely controlling the pre heating of the oil and air prior to introduction to the combustion chamber delivering optimum atomization spray During the initial power up process the burner is locked out from energizing until the oil has been pre heated up to setpoint approx 3 to 5 minutes duration Once the oil has been heated up power is then applied to burner components and oil pump Burner Components e Igniter Transformer Supplies high voltage to the electrodes generating electrical arc igniting the oil e Oil Valve energizes when burner is running and de energizes when burner is not running eliminating bleed back of oil out of the Pre heater block e Air Band Adjusts amount of air introduced into the combustion chamb
42. conies or roofs the unit should not be located within 8 feet from chimney flues outlets and other such vents It is important that the unit be located so that hot or contaminated air IS NOT drawn into the air intakes of the unit see Figure 8 6 FT MIN 8 FT MIN 8 FT MIN 6 FT MIN ROOF TERRACE INSTALLATION GROUND INSTALLATION Figure 8 CLEARANCES FROM VENT OUTLETS CHIMNEY FLUES AND AIR INTAKE OPENINGS Installation Start Up Adjustment and Maintenance Manual 19 GROUND INSTALLATION Ground level units should be supported on a LEVEL concrete pad with a minimum thickness of 4 and slightly larger than the unit base see Figure 9 for typical slab dimensions Local soil conditions will actually dictate the slab thickness required to prevent shifting Do not allow the concrete slab touch the foundation of a structure Unit operational noises can be transmitted inside the structure if they are connected 4 CONCRETE SLAB 92 1 2 TYPICAL 35 TYPICAL Figure 9 DIMENSIONS AND THE POSITION OF THE CONCRETE SUPPORTS ROOF TERRACE INSTALLATION If the unit must be lifted by a hoist for installation leave it on the crate base Attach hoist lines to the crate base and use spreader bars to prevent the hoist lines from damaging unit s cabinet panels Both the unit and the supporting base weight should be sufficiently supported by the roof joists
43. d Maintenance Manual 27 fronotleat 28 Volume of Water in Piping Gallons per Linear Foot Nominal Type L Other Pipe Size I D A A 0 045 0 078 0 105 0 172 0 250 0 385 0 667 1 000 6 1400 1 500 8 2430 2 630 4 200 Table 4 Pipe Sizing Major System Components Approximate Gallons A Coils Duct Coils Fan Coil Units Table 5 Water Volume Installation Start Up Adjustment and Maintenance Manual Maximum System 4 40 F 50 F 0 00950 _ 0 0011 0 00622 0 00511 1380F 0 01240 0 01230 Table 6 Net Expansion Factor Note For 50 50 Ethylene Glycol multiply Expansion Factor by 2 0 01180 0 04280 0 04710 0 05710 0 01090 0 00980 0 00830 0 00660 0 02610 0 02500 0 02190 0 03930 0 04360 0 04820 For 50 50 Propylene Glycol multiply Expansion Factor by 3 Maximum Minimum Operating Pressure PSIG Operating Pressure 5 10 12 15 PSIG 20 30 40 50 70 0 527 EE RR ERE ERE 30 0 560 0 447 0 403 0 336 0 224 35 0 604 0 503 0 46 0403 0302 0101 40 0 640 0 548 0 512 0 457 0 366 0 0883 45 0 670 0 586 0 553 0 503 0 419 0 251 0 696 0 541 0084 nee Jom ose f 0 464 0 309 015 70 0 767 0 708 0 685 0 649 0 590
44. d limitations 40 Installation Start Up Adjustment and Maintenance Manual 8 Ifthe system is skip to Step 14 If the system is not full turn on the hydronic system s pump but do not start the unit Jumping the CIRC contacts on the electronic control board start the hydronic system s pump if controlled by the electronic control board 9 Throttle Valve B if necessary to continue filling the hydronic system if the system does not start filling after the hydronic system pump was started 10 If the volume in the mixing container is not sufficient to fill the hydronic system close Valve A prior to air entering the charging pump and shut both pumps off 11 Mix new container of water and glycol mixture 12 Start both pumps and open Valve A 13 Repeat Steps 9 through 11 until the system is filled and all air is removed from the hydronic system 14 Close Valve A and Valve C Shut off all pumps Open Valve B 15 Close any manual air bleed valves 16 Start pumps and open Valve A 17 Add additional glycol water mixture until the highest point in the hydronic system has a pressure of at least 4 psig If the unit is located at the highest point in the system then pressure at the high point of system should be least 10 psig 18 Close Valve A and shut down both pumps 19 Disconnect the charging pump and the mixing container 20 The hydronic system is now charged One way to
45. e ignition control box will start the premixer blower An air flow fault will occur if the air pressure switch contacts remain open 30 seconds after the premixer blower starts The diagnostic LED on the ignition control box indicates this fault In this mode the ignition control box will keep the premixer blower energized If the air pressure switch contacts close after the premixer blower starts normal operation a pre purge delay begins and the ignition sequence continues Next the ignition control box energizes an ignition transformer that generates a high intensity spark at the igniter to ignite the gas air mixture see Figure 40 Simultaneously the gas valve is energized allowing the flow of gas to the burner The ignition control box continuously monitors the flame sensor for ignition If the flame sensor detects flame the ignition transformer is de energized immediately and the gas valve and premixer blower remain energized Should the burner fail to light or flame is not detected during the first trial for ignition the gas valve and ignition transformer are de energized and the ignition control box begins an inter purge delay Installation Start Up Adjustment and Maintenance Manual 61 before another ignition attempt The control will attempt two additional ignition trials total of 3 ignition trials before going into lockout Upon lockout the gas valve will de energize immediately and the p
46. e ignition wires from igniter mounted on combustion chamber Remove left panel from unit Remove sensor wire from sensor mounted on generator housing Remove two screws fastening center partition to air baffle assembly ON NONA Remove center partition from unit by pulling partition straight up Remove bolts and nuts securing premix blower housing to burner tube flange 10 Remove screws holding burner and insulation retaining straps see Figure 32 Note Wear a dust mask 3M 48710 or equal NOISH MSHA TC 21C mask during burner and generator housing removal cleaning and reassemble operations 11 Pry bottom of burner tube out to clear bottom of generator housing Pull burner down and out to remove from front generator housing see Figure 32 Note Be careful not to distort or damage the burner tube or the igniter and sensor assemblies in the generator housing 12 Remove sheet metal screws holding front and rear generator housings together see Figure 32 13 Lift front half of generator housing out and place out of way 14 Lift back half of generator housing up to clear lower partition mounted to base pan and then lean it towards back of unit 15 Clean insulation in front generator housing with soft bristle brush 16 Clean generator and back generator housing baffle with wire brush Clean out all soot and debris from between generator fins 17 Install rear generator housing first Make sure bottom edge of housing is properly
47. ed in this application Installation Start Up Adjustment and Maintenance Manual ELECTRONIC CONTROL BOARD S 50 THERMOSTAT ISOLATION RELAY 18010 116 p 02 50 HIGH LIMIT SWITCH MINIMUM 20VA TRANSFORMER EX DELAY i PILOT DUAL GAS MOTOR SWITCH VALVE oe FUSED DISCONNECT Figure 20 SINGLE THERMOSTAT USED FOR BOTH HEATING AND COOLING CONTROL ON A FURNACE Separate thermostats for heating and cooling control on a furnace This system does not offer constant fan operation on heating unless the power is ON to the chiller and the fan switch on the cooling thermostat is in the ON position Installation Start Up Adjustment and Maintenance Manual 35 ELECTRONIC CONTROL BOARD DOO 50 COOLING THERMOSTAT HEATING THERMOSTAT HIGH LIMIT SWITCH MINIMUM 20VA TRANSFORMER I I 1 PILOT MOTOR SWITCH D TO FUSED DISCONNECT Figure 21 SEPARATE THERMOSTATS USED FOR HEATING AND COOLING CONTROL ON A FURNACE Single thermostat used for cooling control on a fan coil unit Refer to fan coil manufacturer s instructions for an exact wiring schematic ELECTRONIC CONTROL BOARD 5 50 FAN COIL UNIT THERMOSTAT 2 TO FUSED DISCONNECT Figure 22 SINGLE THERMOSTAT USED FOR COOLING ON A FAN COIL UNIT 36 Insta
48. er section 6 4 6 e Oil Primary Controls the oil burner ignition Checks for flame in the combustion chamber if no flame is detected within 45 seconds the oil primary will shutdown the oil burner To restart the unit reset the red button on the oil primary e Oil Pre Heater Block Pre heats the oil and air before entering combustion chamber e Photo Eye Senses flame in combustion chamber and signals oil primary when no flame is present e Igniter Springs Transfers the high voltage from the igniter transformer to the electrodes when door is closed e Air Pressure Gauge Displays air pressure supplied by onboard air compressor e Air Compressor Supplies air used within pre heater block to aid in atomization of the oil e Air Muffler Filter Filters air and muffles the sound generated by the compressor e Pre Heater Control Board Precisely controls temperature of the Oil Pre Heater Block and controls safety feature of not allowing burner to energize until oil has established operating thermo setpoint or shutdown burner if Pre Heater Block temperature falls below shutdown thermo setpoint e Electrodes Provides continuous high voltage electrical arc from electrode to electrode igniting the waste oil as it is being sprayed out of the nozzle Nozzle Low pressure nozzle for oil spray pattern e Flame Cone Specially engineered flame cone forces the flame into a swirl pattern improving the burn thoroughness e Burner Motor Mul
49. er line Check Water Pump is operating properly Pump position Water pump must be located before the chiller in the inlet chilled water line Check the water circulation pump parameters and water flow rate f the water the evaporator is frozen missing antifreeze turn off the power supply of the unit and wait 15 to 30 minutes with circulation pump on if possible Flow switch failure remove and replace with new flow switch FL Switch Water leakage from hydronic system E11 SOLUTION PUMP ROTATION reset by shutting power supply then on Solution Pump rotation probe SRT is located on pump s body Check Proper operation of solution pump s electric motor Probe s connection wires Closing of REED switch by rotating the gear use an electrical tester at the probe connection on the electronic control board for continuity pulses SRT sensor If the pump is locked up or stopped because of mechanical failure or belt breakage CODE FAULT DESCRIPTION E12 IGNITION CONTROL BOX LOCKOUT reset by shutting power supply off then Ignition control box is located in the electric control box of the chiller Installation Start Up Adjustment and Maintenance Manual 57 Econotleat Check Spark igniter condition of wires position and distance between electrodes Gas manifold orifice check the gas pressure on the orifice Ga
50. er up Oil Primary d Control Air Pressure Adjuster Air Band Combustion Air Air Supply Compressor Adjustment Air Pressure Indicator Power Oil Pressure Gauge Indicator Gauge Figure 26 Oil Burner Closed 46 Installation Start Up Adjustment and Maintenance Manual Pre Heater Control Circuit Board Oil Pre Heater 4 Block T 73 di 47 F Fc Air i EUN T Muffler Filter Photo Eye Electrical Flame Sensor Terminal Block s amp P AMI Transformer P dii Igniter Springs Ex Heater Electrical Schematic Figure 27 Oil Burner Opened Electrodes Flame Cone Moir B tnsr Burner Mot Motor Flame Cone Figure 28 Oil Burner Front View Installation Start Up Adjustment and Maintenance Manual 47 8 OIL PUMP Oil Outlet Preferred Outlet Alternate Outlet P 1 8 22 N Oil Inlet xX Inlet 1 4 Vent Port Bleed Valve Figure 29 Oil Pump Diagram Oil Pressure Gauge Bench mark indicator for proper flame length Cleanable Strainer Oil adjustment and filter pump screen Filter removal of one or valve cleaning requirements nut for screen access Oil Primer Switch Oil Shut off Valve Eliminates start delays due to possible drain back Inline Breaker Adjustable Motor Speed Initial set up only Once set no adjustment needed thereafter Oil Flow Control Supply Pump has
51. f pipe and by using the tables below Consider all valves pumps and fittings in water lines to hold the same volume as equivalent length of pipe Example of a volume calculation OWC 5 1 30 Gallons 5 Ton Duct Coil 2 00 Gallons 40 FT of 1 1 4 Pipe 3 08 Gallons 40 Divided by 100 multiplied by 7 7 Total Volume of Hydronic Circuit 6 38 Gallons Installation Start Up Adjustment and Maintenance Manual 39 Volume of Antifreeze required to achieve 20 by volume concentration 6 38 Gallons X 0 20 1 28 Gallons EQUIPMENT 526 VOLUME GALLONS 98 wo on 98 PIPE SIZE GALLONS PER INCHES 100 FT PIPE 1 Table 8 PIPE SIZE VS GALLONS PER100FEETOFPIPE BUcTCOL srn 08 FANGOL 2TON 98 FAN COIL 3 TON 1 0 FAN COIL 4 TON 1 5 FAN COIL 5 TON 2 0 FAN COIL 5 TON 2 0 Table 9 APPROXIMATE VOLUMES OF TYPICAL EQUIPMENT NOTE The volumes of the coils listed above are approximations only For exact volume of the coils used consult the coil manufacturer s specifications 6 2 FILLING THE WATER PIPING To ensure correct operation of the unit and to avoid the water freezing add 20 by volume of inhibited glycol antifreeze to the circulation water Add more glycol as needed for the minimum external temperature of the installation zone see Table 10 The method described below is
52. ime of publication approval Econo Heat reserves the right to make changes at any time without notice in materials specifications and models or to discontinue models 4 2 Capacity at standard conditions of 95 F ambient Actual capacity will vary with ambient condenser air temperature and leaving water temperature Capacity characteristics are shown in the table below Interpolations between tabled values are permissible but do not extrapolate For capacities at higher than 105 F ambient temperatures contact Econo Heat or your authorized distributor 4 2 Units are factory wired for 230 volt operation The unit can be field wired for 208 volt operation by placing the high voltage wire from the 230 volt termination to the 208 volt termination on the transformer 4 2 Chilled Water refers to a solution of quality tap water and 2096 by volume of inhibited permanent antifreeze Higher antifreeze concentrations may be required in certain applications 4 2 DO NOT USE FERROUS METAL PIPE OR TUBING in the chilled water circulating system 14 Installation Start Up Adjustment and Maintenance Manual TYPICAL CAPACITY CHARACTERISTICS in Btu hr Leaving Chilled Ambient Air Temperature Entering Condenser Water Temperature 90 F 95 F 100 F 105 F 40 F 60 300 58 700 52 300 42 200 42 F 60 700 59 300 54 200 46 300 44 F 61 000 59 800 56 200 49 900 46 F 61 200 60 200 57 700 52 800 48 F 61 300 60 500
53. installed over lower generator housing bracket 18 Install front half of generator housing by placing the bottom edges of the housing and insulation between the lower insulation and the lower generator bracket 19 Fasten front and rear generator housings together using sheet metal screws 20 Inspect burner gasket that seals burner tube to the generator housing and the burner gasket that seals burner to premix blower housing Replace either gasket if damaged during burner removal 21 Replace burner tube in reverse order of removal Note Make sure the two gaskets are positioned correctly and that generator housing is properly sealed Installation Start Up Adjustment and Maintenance Manual 511 22 Reassemble the remaining parts in reverse order 23 Turn on gas and electric supply to unit 24 Start unit and check for correct operation BURNER TUBE GASKETS NOT SHOWN KIT NO 16009 716 GENERATOR FINS FRONT GENERATOR HOUSING KIT NO 16009 646 D BURNER TUBE REAR GENERATOR KIT NO 16009 621 HOUSING KIT NO 16009 647 BURNER INSULATION RETAINING STRAPS BRACKET WITH INSULATION GASKETS AND INSULATION NOT SHOWN Figure 32 GENERATOR ASSEMBLY FLUE GAS PASSAGE INSPECTION AND CLEANING Early in the year before operating the chiller on cooling complete the following instructions Turn off gas and electric supply to the unit Remove front panel Remove top panel Clean
54. ipe with 2 55 feet of head per 100 friction loss Now you know all the pipe sizes and their friction losses You also know the friction loss of all the equipment from Figure 12 and Table 3 You will need to find the equivalent length of pipe for all tees and elbows 2 90 Elbow gt 7 0 of pipe 114 90 Elbow gt 4 0 of pipe 2 Tee Thru gt 2 0 of pipe 112 Tee Thru gt 1 2 of pipe 2 Tee Branch gt 10 0 of pipe 114 Tee Branch gt 6 0 of pipe 26 Installation Start Up Adjustment and Maintenance Manual 4 3 Feenolleat Now you will need to find the pressure drop is in each loop To find a loop you start at the chiller go to the coil and then back to the chiller You will then use the largest value The calculation for the loop to Coil 43 is shown 2 Pipe gt 15 20 30 2 130 2 Elbow gt 7 4 28 2 Tee Thru 2 2z4 172 Pipe gt 10 2 20 197 Tee Thru gt 1 2722 2 4 174 Pipe 40 10 2 100 114 Elbow gt 4 228 162 of 2 pipe 2 55 100 4 13 feet of head 22 47 of 14 pipe 8 43 100 1 89 feet of head 108 of 114 pipe 3 38 100 3 65 feet of head Add in the Coil pressure drop and the Equipment we get 30 7 feet of head If you do this for the other two coils and you will get the following Coil 1 29 2 feet of head Coil 2 25 7 feet of head Take the largest number as the feet of head of the pump When sizing a pump it is usua
55. l appear on display E08 GENERATOR LIMIT TEMPERATURE 330 F REACHED 3 TIMES IN 1 HOUR reset by shutting power supply off then Generator Temperature Probe TG is located on the generator near the High Temperature Limit Switch Check Tightness of generator s pressure relief valve Gas pressure supplied to the burner Sensor damaged reading improperly position check position and if reading improperly replace TG thermistor Combustion chamber leakage on the chiller and use gauges to measure the pressures of the sealed refrigerant system E09 BURNER MALFUNCTION reset by shutting power supply off then on Generator Temperature Probe TG is located on the generator near the High Temperature Limit Switch This fault code indicates the generator temperature did not increase the required amount in the time allotted 15 minutes Check Premixer motor Differential air pressure switch check the air tubes connection to the probes and functionality Ignition control box fuse 3 15 A on electronic control board Ignition control box power supply from electronic control board Ignition transformer and wire condition sensor and igniter conditions Connection location and functionality damage of Generator Temperature Probe TG thermistor E10 CHILLED WATER FLOW SWITCH auto reset at end of condition Flow switch FL is located in returning chilled wat
56. lared fitting from the hydraulic pump DO NOT REMOVE 8 Slowly turn the pulley clockwise to the 12 o clock position the top dead center or until oil emerges around the fitting 9 Tighten the hose s flared fitting Installation Start Up Adjustment and Maintenance Manual 53 10 Spin the lower pulley clockwise and visually check for the counter clockwise rotation of the pulley The counter clockwise rotation is caused by internal pump pressure 11 Repeat steps 6 through 10 until the pulley does spin counter clockwise due to internal pressures 12 Check the oil level of the hydraulic pump Follow steps 7 through 9 of the CHANGE AND CHECK OIL LEVEL procedure 13 Clean the basepan and hydraulic pump of any excess oil 14 Turn on gas and electrical supply to unit and check for correct hydraulic pump operation HYDRAULIC PUMP ASSEMBLY UPPER BELT ASSEMBLY HYDRAULIC HOSE Figure 34 OWER PULLEY AT THE 6 O CLOCK POSITION BDC CHECK CONDITION OF BELTS When checking condition of belts and pulley shut off power to the unit Check condition of belts for any of the following 1 Age cracking 2 Wearing of teeth on the belts or pulleys 3 Debris lodged in pulleys 4 Teeth missing on belts or pulleys If any of the above conditions are present replace the belt and the mating small pulley Replace the larger pulley if damaged or worn Belts should be replaced every 5 years or 5 000 working hour
57. ld damage the electrical components of the appliance The unit must be electrically grounded in accordance with national requirements The power supply line must not be used to turn the unit ON or OFF The dedicated control switch in the R Y line is for this purpose Disconnect the power supply lines only when assured that unit is completely shut off DO NOT OPERATE the unit unless the chilled water system is filled with water and antifreeze MAX 4 AMPS RATING CONTROL SWITCH WIRING 208 230POWER SUPPLY WITH GROUND OPTIONAL WIRING FOR A TO FUSED DISCONNECT BOX LOCATED 230 VOLT WATER PUMP WITHIN SIGHT OF THE UNIT USE TWO 15 AMP TIME LAG FUSES Figure 16 TYPICAL CONNECTIONS TO BE DONE BY INSTALLER AT THE UNIT 32 Installation Start Up Adjustment and Maintenance Manual Feenolleat If power for the water pump is taken from the high voltage terminal block located in the electrical control box as show in Figure 16 the minimum circuit ampacity for the unit must be increased above that listed in the TECHNICAL DATA sheet in SECTION 2 to accommodate the additional current draw of the water pump installed The maximum current carrying capacity of the Contact is 4A If the current is above 4A use an additional relay controlled by N O Contact on the S 50 board 5 2 PUMP WIRING CONTROLLED BY THE UNIT When the hydronic system s water pump is cont
58. llation Start Up Adjustment and Maintenance Manual THERMOSTAT LOCATION If the control switch is a thermostat the thermostat should be located on an inside wall about 54 inches above the floor It should be located so that it will no be affected by any of the following items Discharge air from a supply grille Drafts Direct sunlight through a window or glass door Electrical Appliances such as television radio or lamps The thermostat should be located so that it senses the average temperature of the conditioned space The thermostat should be mounted according to the manufacturer s instructions packaged with the thermostat THERMOSTATS USING A MERCURY BULB SWITCH MUST BE LEVEL The heating anticipator for a thermostat that is used to control an Air Cooled Chiller in conjunction with a heating unit must be set as required by the heating unit load Installation Start Up Adjustment and Maintenance Manual 37 5 4 CHILLER WIRING If any of the original wire as supplied with the unit must be replaced it must be replaced with thermoplastic 105 C wire except igniter wire 230 C flame sensor ground high temperature and pressure switch wires 200 C or equivalents see Figure 23 Label all w ion isconnect tod the controls Wiring errors can cause improper and dangerous operation Ires prior icing when serv NO 440 9NIHOLIMS13S3H i N3dO XH 13539 40 QN
59. lly the drop to the very last coil that determines the feet of head but always do all coils just in case one of the others may determine the feet of head Finally add the 5 feet of head safety factor round up and get a total of 36 feet of head for the system SIZING EXPANSION TANK An expansion tank is required with the new OWC 5 Chiller unit The expansion tank should be installed at the suction side of the system pump A diaphragm type expansion tank is recommended tank should be ASME certified for sizes above 30 gallons and should be sized specifically for each job based on its characteristics NOTE The following sizing instructions are for example purposes only Econoheat Inc does not endorse or specify any particular product brands 1 Total system water content see Tables 4 and 5 gallons 2 Minimum system temperature operating normally 45 F F 3 Maximum system temperature ambient F 4 Minimum operating pressure at tank static plus 4 PSI PSIG 5 Maximum operating pressure at tank PSIG 6 Find and enter Net Expansion Factor use Table 6 7 Amount of expanded water Line 1 x Line 6 gallons 8 Find the Acceptance Volume 9 Minimum Total Volume Line 7 Line 8 gallons ambient temperature of at least 100 F should be used unless this temperature could be exceeded in the installed area Relief Valve Pressure minus 10 PSIG for safety e g 75psig 10 psig Installation Start Up Adjustment an
60. m the proper system adjustments NOTE The length of the warranty is dependent upon the installation and start up of the unit by Authorized Technicians See warranty card for complete details DANGEROUS SITUATIONS FOR THE UNIT AND OR PERSONS If during the first start up one of the following conditions is found Unit installed indoors The unit turned on and off by using the main electrical switch not using control switch Antifreeze not added to the water Unit damaged or defective due to transport and or installation UNUSUAL INSTALLATION CONDITIONS FOR THE UNIT AND OR PERSONS All situations or installations in contradiction to the directions instructions of the manufacturer can or may result in incorrect unit operation 6 1 DETERMINING VOLUMES OF HYDRONIC SYSTEM AND ANTIFREEZE To ensure correct operation of the unit and to avoid the water freezing add 20 by volume of inhibited glycol antifreeze to the circulation water Add more glycol as needed for the minimum external temperature of the installation zone see Table 10 Listed below are recommendations concerning antifreeze to be used Inhibited permanent type antifreeze propylene or ethylene glycol No sealants in the mixture Preferable the color is not blue or green The volume of the hydronic circuit must be calculated to figure the volume of antifreeze required for freeze protection The approximate volume can be calculated by knowing the equivalent feet o
61. mmended that no work be performed on the sealed refrigerant circuit except by a qualified service technician or engineer Care should also be taken not to disturb or handle the valves of the chiller s sealed refrigerant circuit The manufacturer will not accept contractual or non contractual liability for damages resulting from improper installation or misuse of the unit or intentional disregard of any of the manufacturer s instructions After unpacking the unit check the unit for integrity Due to the potential danger keep all packaging materials plastic bags polystyrene foam nails etc away from children Before installation it is recommended that all chilled water and oil gas supply piping be flushed If not flushed prior to installation residual materials may be left in the piping that could cause improper functioning of the chiller The installation of the appliance must conform to the requirements of the authority having jurisdiction or in the absence of such requirements to the latest edition of the National Fuel Gas Code ANSI 2223 1 If the unit is installed in Canada the installation must conform to the Canadian Gas Association Standard CAN1 B149 1 and 2 The chiller s electrical connections and grounding must be in accordance with the latest edition of the National Electrical Codes ANSI NFPA No 70 CSA Standard C22 1 when installed in Canada and with any local codes To ensure the electrical safety of this appliance it mus
62. n Start Up Adjustment and Maintenance Manual 2 Fans axial type directly coupled to one being a 8 pole electrical motor protected against over heating and equipped with protective weather cover Hydraulic pump variable volumetric one piston pump that creates an oscillating flow of oil directed to the solution pump diaphragm an electric motor using a pulley and belt system drives the pump Gas Burner premixed type multiple gas designed either for natural or propane gas operation with high efficiency of combustion and low emission of NO less than 40 ppm Used Oil Burner pre heated oil and air provides optimum atomization spray and viscosity to the burner that results in a very thorough and clean burn Can burn a wide range of fuel from kerosene to 90W gear oil including synthetics Cabinet Panels made of galvanized sheet metal with powder epoxy coating to guarantee the best resistance against the atmosphere s oxidizing agents Sealed refrigerating circuit all components are assembled by welding heat treated and pressure tested at a pressure of 1000 psig CHILLER S CONTROL AND SAFETY DEVICES Electronic Control Board with integrated microprocessor controls the operation of the chiller High Temperature Limit Switch manual reset is located at the generator wall above the combustion chamber the switch opens if the generator s sidewall temperature exceeds 330 F the switch is manual reset The switch can
63. o find the following information Feet of head from piping Feet of head from chiller Feet of head from coils Feet of head from fittings Let s do them in order You already know that there is 75 of PVC pipe for the supply line This number needs to be doubled to include the return piping as well You have 150 of 1 PVC pipe with a friction loss of 3 77 feet of head per 100 of pipe Using Equation 2 you get 150 x 3 77 z 5 7 feet of head from piping 100 We know the pressure drop of the OWC 5 is 13 feet of head The pressure drop of the air handler coil is 2 9 psi You will first need to convert this into feet of head using the relationship 1psi 2 31 feet of head Multiply 2 9 by 2 31 and it equals 6 7 feet of head The last pressure drop you will need is that of the fittings You need to look at the system and get the total number of fittings by type and size The sizes and pressure drops are all the same in this example A listing of the materials and the corresponding equivalent lengths as shown in Table 3 are as follows 5 1 Tees with through flow 0 9 feet each 4 5 feet total 3 1 Ball Valves 0 3 feet each 0 9 feet total 1 1 Strainer 5 0 feet each 5 0 feet total 2 1 Flexible Connection Negligible 0 0 feet total Installation Start Up Adjustment and Maintenance Manual 25 Eeenolleat Adding all the equivalent feet together you will get 10 4 feet If you multiply this by the 3 77 feet of head per 100 Equati
64. ol board will start the hydraulic pump condenser fan and water pump if controlled by the board Simultaneously the electronic control board will energize the ignition control box The ignition control box will check the differential air pressure switch s status and then start the ignition sequence The premixer motor will then start Used Oil Primary Assuming Oil Pre heater has established set point temperature the Oil Primary will energize the burner blower motor fuel valve igniter circuitry and on burner air compressor at which time a flame is established The chiller is then in normal operation Natural Gas Secondary After a 15 second purge period the ignition control box will energize the ignition transformer and dual gas valve simultaneously The ignition transformer sends a high voltage current through the igniter to generate a spark igniting the fuel air mixture at the burner When flame is established the flame sensor signals that fact to the ignition control and the ignition control stops the spark The chiller is then in normal operation After the burning device has established a flame the 3 digit display detail A Figure 2 on the electronic control board shows the inlet water line temperature and the temperature difference AT between the inlet and outlet chilled water lines The red light indicates the inlet water temperature and the green light indicates the temperature difference between the chilled water lines detail B
65. on 1 Pressure Drop for OWC 5 is 13 feet of head 22 Installation Start Up Adjustment and Maintenance Manual feonotleat 8 Add answers obtained in Steps 6 and 7 together This is your system Total Feet of Head 9 It is recommended that a safety factor of 5 feet of head be added to the number Round up to the nearest whole number Equation 2 Equivalent length of pipe ft X Friction Loss Total Feet of Head 100 Feet of Pipe Equivalent Feet of Straight Pipe for Valves and Fittings Nominal Pipe Size in Inches Standard90 Elbw 25 30 40 50 70 80 100 Standard45 Elbow 15 18 24 30 40 50 60 MierS0 Ebow 40 50 70 80 12 0 159 Mier45 Ebow 09 10 15 18 23 28 32 Sudden Eniargement 15 20 30 36 48 61 89 GaeVavw os 06 o8 10 13 16 20 BalVave 03 04 05 07 os 19 Globe Valve or Globe Table 2 Equivalent Feet of Straight Pipe for Valves and Fittings All valves figured as full open All valves are generalized check with manufacturer for exact information Installation Start Up Adjustment and Maintenance Manual 23 24 Friction of 50 F Water Feet of Head per 100 Feet of Pipe t Type L Copper Tube Sch 40 Plastic Pipe Nominal Friction Nominal Size Loss Size Friction Loss 0 50 2 A 8 04 A
66. on 2 you will find an additional 0 39 feet of head You add these calculated numbers together to get 5 7 13 0 6 7 0 4 25 8 feet of head After adding the recommended 5 feet of head for a safety factor and rounding up you will get the final answer of 31 When you go to any pump representative just tell them 12 GPM and 31 feet of head They can usually take it from there There may be some additional questions about the type of pump but that will depend on the project Coil 1 Coil 3 16 GPM 12 GPM 10 FEET P D 8 FEET P D Coil 2 8 GPM 5 FEET P D Figure 12 Piping detail with Air Handler Size the pump for the system shown in Figure 12 The piping will be copper This example will focus on an application that has more than one air handler or fan coil The valves have been left out but tees and elbow will be counted Solution You can determine the GPM of the system by adding the coil GPMs together Next you will need to find pipe sizes and friction losses from Table 3 Starting at Coil 3 12 GPM gt 114 Copper pipe with 3 38 feet of head per 100 friction loss 8 GPM 1 Copper pipe with 4 5 feet of head per 100 friction loss 12 8 20 gt 114 Copper pipe with 8 43 feet of head 100 friction loss 16 GPM gt 11 Copper pipe with 5 65 feet of head per 100 friction loss 12 GPM 8 16 GPM 36 GPM 2 Copper p
67. opane gas The electrical safety of the unit is obtained only when it is correctly connected to an efficient grounding system which meets existing applicable safety standards Never use gas supply piping to ground the appliances The ground wire should be longer than power supply wires for safety reasons If the power supply wires are accidentally stretched the ground wire will be the last to break By following this rule good ground continuity will be assured Installation Start Up Adjustment and Maintenance Manual 7 3 2 INSTALLATION OF THE UNIT HANDLING OF THE UNIT ON SITE When arriving at the installation site visually inspect the unit for any signs of damage to the package which may indicate possible unit damage Once on site the units must remain in the factory packaging and only be unpacked at the moment before installation Before locating and unpacking the unit make a hole in the package to check for ammonia odor If ammonia odor is present contact the factory LOCATION The chillers must be installed outdoors in an area of free natural air circulation The installation inside a room or a building is not allowed There must be a minimum clearance of 4 feet horizontally from electric meters gas meters regulators and relief equipment and in no case located above or below these items unless a 4 feet horizontal distance is maintained The unit can be installed at ground level on a
68. ould be open approximately 1 2 or until flame is clear yellow not orange Opening the air band too far may cause delayed in starting or even prevent the flame from starting 6 5 CHILLED WATER TEMPERATURE REGULATION The electronic control board permits the regulation of the unit s outlet chilled water temperature To adjust the outlet water temperature set point use the chilled water thermostat on the electronic control board see detail C of Figure 2 The set point range of the outlet water temperature is between 37 F rotated completely counter clockwise and 55 F rotated completely clockwise The design temperature difference AT between inlet and outlet chilled water is 10 F at rated conditions The recommended chilled water temperature for commercial domestic use is 55 F for inlet water temperature and 45 F for outlet water temperature The chilled water thermostat is set in the central position of the scale for the above mention temperatures Rotate clockwise to increase the outlet chilled water temperature setting or counterclockwise to decrease it The new outlet chilled water temperature set point will be indicated on the electronic control board display for 15 seconds after the adjustment The factory default outlet chilled water temperature set point is 42 F NOTE When power is first applied to the unit CAP will appear on the display After few seconds H60 will appear When the H60 disappears
69. platform or on the roof if it can withstand the weight The noise generated by the condenser fan during unit operation is not excessive However avoid locating the unit in an area adjacent to bedrooms or neighboring buildings see Figure 6 Also avoid installing the unit in building corners where air turbulence can take place or the unit noise reverberation can be amplified GOOD IDEAL E AVOID BEDROOMS EWING lt INSTALLATION IN THIS AREA 1 D BETTER Figure 6 LOCATION OF THE UNIT 18 Installation Start Up Adjustment and Maintenance Manual Feenolleat CLEARANCES A free space is to be provided around the unit to allow for proper unit operation and for servicing The minimum clearance from walls obstructions and other units should be as follows see Figure 7 right left side 18 inches rear side 24 inches front side 36 inches SINGLE UNIT MULTIPLE UNITS Figure 7 CLEARANCES FOR CORRECT INSTALLATION OF THE UNIT There MUST NOT be any obstructions or structural overhangs roof edges balconies over the top of the unit The re circulation of the air discharged from the condenser results in a poor unit performance When the unit is installed in close proximity to buildings keep the unit away from the roof edge drip line In no case should the unit be placed within 6 feet of any external air intakes of the building For installations on bal
70. re to the chiller is 5 W C and the maximum is 14 W C For Propane Gas the minimum inlet gas pressure to the chiller is 11 W C and the maximum is 14 W C For size of gas connection to the unit see Figure 13 WARNING Gas supply pressure higher than stated above could damage the gas valve resulting in a fire hazard Vertical gas piping must be trapped and a means provided to drain condensate that may accumulate in the piping during the cold season see Figure 14 Insulation may also be necessary for the gas piping to prevent excessive accumulations of condensate An approved union should be installed in the gas line near the unit and down stream of any external shut off valve that may be required by local codes Use an approved sealing compound resistant to propane gas on all male pipe threads The chiller and its gas connections must be leaked tested before placing the chiller in operation Installation Start Up Adjustment and Maintenance Manual Feenolleat The chiller and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of the gas piping system at test pressures in excess of 1 2 psig The chiller must be isolated from the gas supply piping system by closing its individual shut off valve during any pressure testing of the gas piping system at test pressures equal to or less than 1 2 psig APPROVED UNION TO UNIT APPROVED GAS
71. remixer blower will turn off The thermostat W terminal air pressure switch and burner flame are constantly monitored to assure proper system operation When the call for flame has ended i e 24volts removed from W terminal on ignition control the gas valve is de energized immediately The ignition control then senses loss of flame and de energizes the premixer blower DIAGNOSTIC LED R TERMINAL W TERMINAL DIFFERENTIAL AIR PRESSURE SWITCH IGNITION CONTROL BOX 208 230 24 VOLT TRANSFORMER ELECTRONIC CONTROL BOARD S 50 10A FUSE 12 uF CAPACITOR HIGH VOLTAGE TERMINAL BLOCK WIRE HARNESS NOT SHOWN o 32 e 2 FUSES 3 15 AMP FUSES 10 AMP FUSES Figure 39 ELECTRICAL CONTROL BOX COMPONENTS 62 Installation Start Up Adjustment and Maintenance Manual LEFT SIDE OF COMBUSTION CHAMBER NOTE SOME DETAIL HAS BEEN REMOVED FOR CLARITY 2 O IGNITION TRANSFORMER IGNITION CABLES FLAME SENSOR ANTI SPARK INSULATORS IGNITER GASKET Figure 40 IGNITION TRANSFORMER IGNITER ASSEMBLY AND FLAME SENSOR Installation Start Up Adjustment and Maintenance Manual 63 Leonorleet Omni Waste Oil Chiller Limited Warranty Econo Heat manufacturer warrants to the purchaser of waste oil chiller will be free from defects in materials and workmanship for the durations specified below which duration begins on the date of delivery to the customer C
72. rolled by the unit the installer must keep in mind the circuit ampacity the required water pump voltage and the current carrying capacity of the N O Contact on the electronic control board NOTE When controlled by the S 50 board the water pump operates while the control switch is closed The N O Contact will open 215 seconds after the control switch opens Wiring a 230 volt water pump with a current requirement less than 4 amperes see Figure 19 Wiring a 230 volt water pump with a current requirement greater than 4 amperes see Figure 17 Wiring a 115 volt water pump with a current requirement less than 4 amperes see Figure 18 N O CONTACT 4A MAXIMUM HIGH VOLTAGE pads DPST N O TERMINAL BLOCK RELAY WITH 230 VOLT COIL 230 VOLT WATER PUMP Figure 17 WIRING A 230 VOLT WATER PUMP THAT EXCEEDS ELECTRONIC BOARD S 4A RATING N O CONTACT 4A MAXIMUM HIGH VOLTAGE 2 TERMINAL BLOCK NEUTRAL 115 VOLT WATER PUMP Figure 18 WIRING A 115 VOLT WATER PUMP THAT MEETS ELECTRONIC BOARD S 4A RATING EXTERIOR CONTROL When the unit does not control the hydronic system s water pump the installer must ensure that the pump and the unit start at the same time Also the pump must continue to run during the unit s cycle down time 215 seconds after the opening of the control switch See Figure 19 Installation Start Up Adjustment and Maintenance Manual 33 24 VOLTS TIME DELA
73. roneous or irrational installation of these appliances To ensure a correct installation and maximum unit performances are obtained the following rules have to be followed Unpack the unit carefully checking that it has not suffered damage during transport Each unit is factory tested before shipping if damage is found report this immediately to the haulage contractor Eachunit must be installed outdoors in an area of free natural air circulation and does not require particular weather protection In no case must the unit be installed in a room No overhead obstructions should block the outlet of air from the unit top Theunit should not be installed so that the fan discharge is in close proximity to the fresh air intakes of a building or in such a manner that hot or contaminated air from flues dryer vents chimney etc could be drawn into the unit by the condenser fan The front and rear sides of the unit must have a minimum clearance of 36 inches and 24 inches respectively for maintenance or servicing from walls or other stationary constructions The left and right sides require a minimum distance of 18 inches for proper airflow toward the condenser Be sure that gas supply provided from the gas main meets the manufacturer s specifications Inlet gas pressure to the unit must not exceed 14 0 W C on natural gas or propane gas The minimum inlet gas pressure at the unit is 5 0 W C on natural gas and 11 0 W C on pr
74. rs Org Eo Nc Warranty is limited to the original purchaser The above warranty is in lieu of all other warranties expressed or implied Econo Heat does not authorize any person or representative to make or assume any other obligation or liability that is not in accordance with above warranty Econo Heat is not responsible for any labor cost unless prior authorization in writing has been obtained NOTE Combustion Chamber Warranty is specific to material and workmanship Workmanship means Econo Heat warranties the welds are good and will hold Material means they won t corrode through due to sulfur in the ash that accumulates during operation Warranty does not apply to units that experience overheating stress cracks These are not incurred because the materials are inadequate for the application nor are they a result of a weld broke lose because of bad penetration Which is easily recognized by the material being left underneath the weld These cracks occur as a direct result of improper draft either by inadequate initial installation and setup which requires 1 establishing a proper draft during installation 2 back draft has occurred due to ash buildup backing up hot gas passageways either in the exchangers the stack or both 3 Over firing by setting oil supply pressure too high see manual for proper setting these are all cases of thermal overload Under normal use only If misuse or abuse is deemed apparent after inspection warranty
75. rs and oil burner components The removal of combustion gases is handled by the appliance s condenser fan and oil burners internal blower which creates a forced draft The combustion fuel is Fuel or Used Oil Natural Gas or Propane Gas Required electric supply is 208 230V 60Hz single phase 2 2 USED OIL AND GAS FIRED CHILLER OPERATION CYCLE DESCRIPTION OF THE ABSORPTION REFRIGERANT CYCLE The fluid used in the cooling cycle is a solution of water and ammonia see Figure 1 Ammonia is the refrigerant and water is the absorbing fluid In the chiller s generator the ammonia water solution is heated to boiling producing both a vapor with a strong concentration of ammonia and a liquid solution with a low concentration of ammonia Liquid solution with a low concentration of ammonia is called a weak solution The ammonia vapor passes into the rectifier which separates the water from the vapor The hot and pressurized ammonia vapor exiting the rectifier enters the condenser where it is cooled and changed to a liquid The liquid ammonia is then brought to a lower pressure by means of a restricter and further cooled in a tube in tube refrigerant heat exchanger Finally the liquid ammonia is reduced to a pressure of 39 to 60 psig and a temperature lower than 37 F by a second restricter Under this low pressure and temperature condition liquid ammonia enters the evaporator where the ammonia evaporates due to heat being removed from
76. s Installation Start Up Adjustment and Maintenance Manual CHECK CONDENSER FAN HEIGHT For proper air flow the distance between the top edge of the fan blade and the top panel must be between 1 1 4 and 1 1 2 If the fan is at an improper height adjust the location of the mounting strap around the fan motor 1 3 8 1 8 I a FAN BLADE 2 E KIT NO 16009 418 FAN MOTOR MOUNTING KIT NO 16009 378 STRAP VUNENEE NOTE SOME DETAIL HAS BEEN REMOVED SECTION VIEW FOR CLARITY Figure 35 SECTION VIEW SHOWING PROPER FAN HEIGHT WASTE OIL BURNER MAINTENANCE AND ADJUSTMENTS e Waste Oil Burner electrodes are adjusted at time of manufacturing However they should be checked periodically and at time of installation to be sure they are set as noted in Figure 36 Nozzle position in relation to flame cone burner tube is critical for low maintenance operation Periodically check position as per Figure 36 CAUTION TURN OFF MAIN ELECTRICAL POWER BEFORE CHECKING OR ADJUSTING ELECTRODE SETTINGS 1 8 Electrode Electrodes Spacing Nozzle must be 1 4 forward of the inside radius of flame cone Electrodes B Nozzle tip and electrode tip must be flush Nozzle T Nozzle Orifice Front View Side View Flame Cone P Figure 36 ELECTRODE AND NCZZLE ADJUSTMENT DETAIL 10 TROUBLE SHOOTING INSTRUCTIONS If the applian
77. s supply pressure before the gas valve sensor condition of wire position condition of electrode E16 OUTLET CHILLER WATER TEMPERATURE PROBE FAILURE reset by shutting power supply off then Outlet Water Temperature Probe THM is located on chiller water outlet tube thermometer well Check Wiring to the electronic control board Before replacing the temperature probe check with a new temperature probe that the fault code disappear from display connect the wires to THM connector at electronic board THM thermistor E17 INLET CHILLER WATER TEMPERATURE PROBE FAILURE reset by shutting power supply off then Inlet Water Temperature Probe THR is located on chiller water inlet tube thermometer well Check Wiring to the electronic control board Before replacing the temperature probe check with a new temperature probe that the fault code will disappear from display connect the wires to THR connector on electronic control board THR thermistor E18 CONDENSER TEMPERATURE PROBE FAILURE reset by shutting power supply off then Condenser Temperature Probe TCN is located on condenser outlet tube Check Wiring to the electronic control board Before replacing the temperature probe check with a new temperature probe that the fault code will disappear from display connect the wires to TCN connector on electronic control board thermistor E19 EXTER
78. t be correctly connected to an efficient grounding system The manufacturer is not responsible for any damages caused by the failure of the grounding system In the case of failure and or poor unit performance shut the unit down in the proper manner disconnect the unit s power supply and close the gas valve Do not attempt any repair and call a qualified technician for service The chiller should also be disconnected when not in use for a prolonged period of time The manufacturers authorized service technicians using only original replacement parts must perform repairs to the product Failure to adhere to this guideline may compromise the safety of the unit To ensure the correct operation and efficiency of the unit it is essential that qualified service technicians perform annual maintenance in accordance with the manufacturer s instructions Should the unit be sold or transferred to another owner it is imperative that this manual be provided for use to the new owner and or installer 4 Installation Start Up Adjustment and Maintenance Manual Feenolleat Under no circumstances should the unit be operated with any safety or electrical component by passed or defective Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water Before starting the appliance A
79. the inlet water temperature and temperature differential will appear on the display indicated respectively by different LEDs see Section 6 5 Chilled Water Temperature Regulation The electronic control board will increase or decrease the condenser fan speed to obtain the designed temperature differential between the external ambient and the condenser outlet If this maximum allowable temperature differential is not maintained a fault code will appear see Figure 23 Fault Codes If the control switch is opened the S 50 board will de energize the ignition control box and begin cycle down The hydraulic pump condenser fan and water pump if controlled by the unit will continue to operate for another 215 seconds If the chilled water thermostat set point is reached the S 50 board will de energize the ignition control box and begin cycle down The hydraulic pump and condenser fan will continue to operate for another 215 seconds The water pump if controlled from the 5 50 will continue to run until the outlet water 60 Installation Start Up Adjustment and Maintenance Manual temperature is 1 above the chilled water set point If the control switch is still closed the unit will start again NOTE The electronic control board has three 5mm x 20mm fuses for circuit protection If the electronic control board does not start up or the condenser fan does not run remove power from the unit and check the
80. the outlet chilled water temperature set point displays for the next 15 seconds After the set point disappears the display shows the actual temperature of the inlet water and AT between inlet and outlet water temperatures The LED diodes see detail B of Figure 2 indicate RED LIGHT Inlet water temperature GREEN LIGHT Temperature difference between inlet and outlet water lines 7 USED OIL BURNER PRECAUTIONS e Used oil may contain many foreign materials Used oil may also contain gasoline therefore specific precautions on the handling and storage of used oils are to be observed when using cleaning and maintaining this burner Use a screen in a funnel when pouring oil into storage tank to catch foreign material i e gasket material and sealant fibers etc e WARNING This appliance is not designed for use indoor or in hazardous atmospheres containing flammable vapors or combustible dust or atmospheres containing chlorinated or halogenated hydrocarbons e Use only used crank case oil gear lube oil hydraulic oils automatic transmission fluid or 1 and 2 furnace oil DO NOT use old contaminated oils that have been stored in underground tanks or outside barrels for long periods Excessive water and sludge may be present causing quick filter failure DO NOT USE NEW MOTOR OILS they will not burn thoroughly e This appliance is designed for commercial or industrial use only ONLY Authorized Technicians strictly
81. titask motor turns the burner blower and integrated air compressor e Oil Pressure Gauge Displays oil pressure at the burner Adjust flame length in the chiller combustion chamber viewed through the inspection port located directly above the burner gun assembly by increasing CW or decreasing CCW the adjuster located on the oil delivery pump The adjuster increases or decreases the pump motors RPM which increases or decreases the delivery of fuel to the burner When you increase or decrease the fuel to the burner you will notice the flame length will increase or decrease Adjust flame length so flame is just slightly less than halfway down main combustion chamber tube Installation Start Up Adjustment and Maintenance Manual 45 Igniter Transformer IMPORTANT Once adjusted for correct flame length take note of oil gauge setting for bench mark pressure reading needed when burning the specific fuel mixture generated by the owner PLEASE NOTE Once flame is set the oil pressure gauge can read various pressures when different viscosities of oils are used The oil pressure gauge is an indicator of where the PSI reading will be when that oil viscosity is being burned The oil gauge is used for servicing diagnostics assistance Power Indicator Indicates when power is present at the burner Run Indicator Indicates that the burner is ready for operation after the initial pre heat time of approx 5 minutes from initial pow
82. un on used oil first then automatically switch over to gas or propane if used oil burner is turned off or not operating due to lack of fuel or flame Installation Start Up Adjustment and Maintenance Manual INDEX SECTION 1 SECTION 2 2 1 2 2 23 SECTION 3 3 1 3 2 SECTION 4 4 1 4 2 43 4 4 SECTION 5 5 1 5 2 5 3 5 4 SECTION 6 6 1 6 2 6 3 6 4 6 5 SECTION 7 7 1 SECTION 8 SECTION 9 SECTION 10 SECTION 11 SECTION 12 SECTION 13 GENERAL WARNINGS OVERVIEW AND TECHNICAL DATA OVERVIEW USED OIL AND GAS FIRED CHILLER OPERATION CYCLE TECHNICAL DATA INSTALLATION GENERAL RULES INSTALLATION OF THE UNIT HYDRONIC USED OIL AND GAS INSTALLATION WATER PIPING DESIGN AND INSTALLATION SIZING A SYSTEM PUMP EXPANSION TANK SIZING GAS SUPPLY PIPING ELECTRICAL CONNECTION POWER SUPPLY PUMP WIRING CONTROL SWITCH WIRING CHILLER WIRING START UP AND ADJUSTMENT DETERMING VOLUMES OF HYDRONIC SYSTEM AND ANTIFREEZE FILLING THE WATER PIPING GAS PRESSURE ADJUSTMENT USED OIL BURNER ADJUSTMENTS CHILLED WATER TEMPERATURE REGULATION USED OIL BURNER OIL BURNER TECHNOLOGY OIL PUMP SERVICING AND MAINTENANCE TROUBLE SHOOTING INSTRUCTIONS ADAPTING TO ANOTHER TYPE OF GAS APPENDIX WARRANTY Installation Start Up Adjustment and Maintenance Manual 000 A 17 18 21 21 22 27 30 32 32 33 34 38 39 40 42 43 44 44 45 47 48 55 59 60 64
83. ustomer is responsible for maintaining proof of date of delivery If return is deemed necessary for warranty evaluation and determination of repair or replacement chiller is to be sent to the factory with freight prepaid Econo Heat reserves the right to determine appropriate action for repair or replacement No parts will be accepted by Econo Heat without RA return authorization number clearly marked on outside of shipping package Obtaining RA requires model and serial numbers description of part being replaced and nature of defect Call factory to receive RA Warranty Covers Air Cooled Absorption Water Chiller 1 Three Years full repair or replacement Parts Only Waste Oil Burner and Combustion Chamber 1 Combustion Chamber and Heat Exchanger five 5 years repair or replacement additional five 5 years prorated Parts Only 2 Oil Heater Block twenty 20 years Parts Only 3 Oil Heater Block Controller PCB three 3 years Parts Only 4 All other components one 1 year Parts Only This warranty is void if Warranty registration card is not returned within thirty 30 days of purchase Any part or component subject to abuse or altered from original manufactures specifications Installation not in accordance with instructions Has not been properly maintained operated or has been misused Wiring not in accordance with diagram furnished with chiller Chiller is operated in the presence of chlorinated vapo
84. valve regulator Manifold pressure at 96 500 Btu Hr input using 1133 orifice 42 Installation Start Up Adjustment and Maintenance Manual 1 Turn main gas valve knob to the OFF position Remove the plug on outlet end of gas valve see Figure 25 and attach pressure tap and manometer 3 Turn power and close control switch 4 Wait for the burner to start up Due to the presence of air inside the piping it may be that the burner does not start at the first three attempts and failing to do so the ignition system is locked out If this happens reset the ignition system by opening the control switch for 5 minutes and then re closing Repeat until all the air is purged from the piping and the burner ignites 5 When the burner ignites read the manometer and compare to the required pressure in Table 4 6 If necessary change the manifold pressure using the gas valve regulator The regulator is built into the gas valve Remove the seal screw and turn adjusting screw clockwise to increase pressure or counter clockwise to reduce pressure Replace seal screw after adjustment 7 Open control switch and make sure unit is off 8 Remove manometer and pressure tap Replace plug in gas valve 9 Turn unit on by closing control switch Check all gas connections with soap for leaks REMOVE CAP SCREW FOR PRESSURE PRESSURE ADJUSTMENT REGULATOR ADJUSTMENT OUTLET PRESSURE INLET PRESSURE TAP OUTLET

Download Pdf Manuals

Related Search

Related Contents

AVM500-ES User`s Manual 1  KK-DH27-10取扱説明書（PDF：4958KB）  V1 - Dungs  User Manual  Proxxon 38635 Use and Care Manual  Instrucciones de servicio Notice d`utilisation  User`s Manual - produktinfo.conrad.com  

Copyright © All rights reserved. Failed to retrieve file