Installation Operation and Service Manual
Contents
1. 24 Boiler post pump time after burner has shut off in seconds Warm weather shutdown temperature using outdoor reset Select the desired unit of measurement OFF 0 20 to 9 55 min On Default 1 00 min 35 to 105 F OFF 2 to 41 C OFF Default 0 20 min F ug Default F 12 8 MODE 6 OUTDOOR RESET OPERATION VIEW DISPLAY Mode 6 is intended for multiple appliance application and all stages are closed at all times In essence there is no operator at the appliance A removable jumper is provided in the electrical enclosure across the contacts to be used for connection to the remote operator The fixed auto re set limit is set to 230 In addition to the auto reset limit the factory installs a manual re set limit set to 250 F The control provides pump operation Staging operation is provided by an external sequencing control Heat demand is provided to the external sequencing control External sequencing control then provides heat demand to the control Each control turns on its respective appliance pump and stage 1 contact whenever an external heat demand is present Once the external heat demand is removed from the control the control turns off the stage 1 contact and operates the pump to provide purging Once the purge period is complete the control turns off the appliance pump From the Home display the dppliaress to view the following parameters Display Parameter Description id VIEW Boiler O2. Tekmar BTC 4PA Electrical Connections 12C H F 23Alarm 10 pF 22904 T Com 215194 8 Boil in F 205103 7 Boil 6 Sys D 18512 B AIO uu 5 Oudr 175102 i 4 Com 1 1691 W 15Stg 1 al 4 3 Pr D 2 HtD x 14Pmp 1 CD D Unused CD D Call for heat signal PrD Proof Demand to signal pilot is active C Outdr 10kQ outdoor sensor s D 10kQ system or DHW sensor S Boil O 10kQ boiler outlet sensor Boilin 10kQ boiler inlet sensor Com Common terminal for boiler outlet and inlet sensor Vdc Vdc for Modes 6 7 for setpoint input 24Vac return for Tekmar BTC P Normally open pump contacts closes on a call for heat p 1 Stage 1 burner contacts m Common terminal for Outdoor System and or DHW sensors S S Stg 2 B Stage 2 burner contacts Stage 3 burner contacts Stage 4 burner contacts Alarm Alarm signal closes in the event of a fault 24Vac 24vac supply for Tekmar BTC D Ht tg tg tg tg tg tg tg Stg 2 Stg 3 Stg 3 Stg 4 Stg 4 38 23 EXPLODED VIEW 52 0 b aor ENN 8 Kar aer ze 28 C o 40 24 MICOFLAME REPLACEMENT PARTS LIST item MicoFl Model Si Part Description icoFlame I Model size 60 100 150 200 250 300 400 500 600 Combustion Chamber Base Panel 14 4075 14 4055 14 4005
3. Display Parameter Description jid Operating mode for the boiler 1to6 NOTE A complete description of each mode can be found in section 8 4 Modes of Operation in this manual 70 to 220 F To provide a target setpoint for 21 to 104 C the heating system Setpoint is controlled to the inlet sensor Default 120 F 49 C Boiler Target Temperature Boil Mass Thermal mass of boiler This 2 determines interstage delay and ONLY eta on and minimum off Default 1 To provide a modulation rate above and below the Boiler Target temperature For example if the value is 10 F and the Boiler Target is 160 F the boiler will begin to modulate at 150 F and shut off at 170 F Au 2 to 42 F Differential Au 17 to 6 C Temperature Default 10 F OFF 0 20 to Boiler post pump time after 9 55 min On Pump Delay burner has shut off in seconds Default 1 00 min F C Temperature Select the desired unit of i Units measurement Default F 19 12 4 3 SETPOINT OPERATION VIEW DISPLAY Mode 3 is intended for domestic water heating The set point for inlet water control is pre set to 140 F and the auto re set limit is set to 200 F The inlet set point can be adjusted however the limit is fixed In addition to the auto reset limit the factory installs a manual re set limit set to 210 F The control turns on the appliance pump and stages the appliance to maintain set point
4. Heat Exchanger Front and Back V Baffles 2 Required Per Unit 1 14 4042 03 14 4042 03 14 4042 03 14 4042 04 14 4042 05 14 4042 06 14 4042 07 14 4042 08 14 4042 09 42 Part Description 20 14 400 03 14 4002 03 14 4002 53 14 4006 03 14 4040 03 N N N N N N UJ 4 WW WW WwW N item Model Size Part Description 60 100 150 200 250 300 400 500 600 14 4156 15 4157 EIE 60 150 RFRS 200 RFRS 250 RFRS 300 RFRS 400 RFRS 500 RFRS 600 RFRS Economizer Enclosure Cover Condensing ONLY ud Economizer Shell Condensing 44 HueColarNonCondemingONY mon 14401802 49 RedstripGasket Red Silicone Sponge S On off switch 000 4 9 On Off Switch 53 PSE CH8 66 0107 66 0108 Mesh Pilot Assembly NG 66 5013 Mesh Pilot Assembly LP 66 5014 43 res MicoFlame I Model Size Part Description S8610M3017 Ignition Module Single Try S8600H2010 57 S3010106 5769A 58 HCT 01J28807 LXR5010UW42149 61 LXR5010UB28230 62 LXR50105128230 Mesh 1 Tile Burner 2 Required MF Burner 1 Tile N A 63 per Unit Mesh 2 Tile B 2R i es ile Burner 2 Required N A Burner 2 Tile per Unit N A V8944B1092 Gas Valve 2 Stage VR830404420 N A Ignition Module Continuous IS20105 5762A ep 3 Mixing T
5. a low water cut off device must be installed at the time of boiler installation Some local codes require the installation of a low water cut off on all systems Electronic low water cut offs are available as a factory supplied option on all models Low water cut offs should be tested every six months The normally open switch contact of the low water cutoff is to be wired in series with the flow switch A diagnostic light will be indicated on the control display on a low flow condition Caution remove jumper when connecting to 24 VAC circuit WARNING Be sure to remove the jumper between H and P1 Connection detail for placing L W C O in 24V circuit in series with flow switch 447 FLOW SWITCH TO AIR SWITCH RELIEF VALVE shipped loose This appliance is supplied with a relief valve sized in accordance with ASME Boiler and Pressure Vessel Code Section IV Heating Boilers The relief valve is to be installed in the vertical position and mounted in the hot water outlet No valve is to be placed between the relief valve and the appliance To prevent water damage the discharge from the relief valve shall be piped to a suitable floor drain for disposal when relief occurs No reducing couplings or other restrictions shall be installed in the discharge line The discharge line shall allow complete drainage of the valve and line Relief valves should be manually operated at least once a year CONDENSING HEAT RECOVERY MODULE PIPIN
6. Road Mississauga Ontario L5T 1B7 C South Coast 99 0052 Hev 7 2 Table of Contents INTRODUCTION sis fests EE 2 E 2 Ze BOILER LOCA TON nb sors aac ata tase Ham qu mE M bu tpe DD FM MEE E 3 3 PROVIDE AIR FOR COMBUSTION AND 4 An ELECTRICAL VVIBIING cea ca eg eae tpud tis ec las Od GUN aaa 5 5 INORMALGAS SUPPLY AND PIPING Hn 5 VENTING E 6 6 1 OUTDOOR 9 6 2 9 6 3 OUTDOOR ARE io UR 9 6 4 10 6 5 BR IH CHEM I e 10 6 6 VENTING FORICONDENSING APPLICATION tmp etm bat veia oue conan o Reden PAPAE EOS 10 du tonta Eo s MM IM MEL 12 8 FREEZE PROTE CHON vos exstat ot ih Deep vba ctas pat denda pau db Eds 13 9 WARNING REGARDING CHILLED WATER 5 5 13 10 PIPING AOF BOILER TO SYSTEMTIFIG bad veut re ex dor
7. gas supply to the boiler e Following the lighting instructions put the boiler back into operation e Check for gas leaks and proper boiler and vent operation 17 2 REMOVAL OF COMBUSTION CHAMBER LINING The combustion chamber insulation in this appliance contains ceramic fiber material Ceramic fibers can be converted to cristobalite in very high temperature applications The International Agency for Research on Cancer IARC has concluded Crystalline silica in this form of quartz of cristobalite from occupational sources is carcinogenic to humans Group 1 Normal operating temperatures in this appliance are below the level to convert ceramic fibers to cristobalite Abnormal operating conditions would have to be created to convert the ceramic fibers in this appliance to cristobalite The ceramic fiber material used in this appliance is an irritant when handling or replacing the ceramic materials it is advisable that the installer follow these safety guidelines e Avoid breathing dust and contact with skin and eyes o Use NIOSH certified dust respirator N95 This type of respirator is based on the OSHA requirements for cristobalite at the time this documentation was written Other types of respirators may be needed depending on the job site conditions Current NIOSH recommendations can be found on the NIOSH website at http www cdc gov niosh homepage html NIOSH approved respirators manufacturers and phone numbers are also listed on this webs
8. gas valve close pilot manual valve and turn off electric power to system 33 SERVICE Disconnect main power and turn off gas supply before servicing unit To remove and clean the burner follow the detailed procedure in section 17 of this manual After the first season of operation inspect the heat exchanger and venting Follow the detailed instructions in section 6 of this manual CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing Any audible sounds in the equipment like pinging crackling or hissing are indications of scaling or lack of sufficient water flow Under these conditions the boiler must be shut down immediately and the heat exchanger checked for damage If the exchanger is damaged from scaling it is not covered by warranty Should your equipment be subjected to fire flood or some other unusual condition turn off all gas and electrical supply if you are unable to turn off the gas call your gas company or gas supplier at once Do not put the unit back in operation until it has been checked by a qualified agency to ensure that all controls are functioning properly Units that are not operated for a period of 60 days or more are considered seasonal operations It is recommended that before returning one of these units to service the proper operation of all controls be checked by a qualified service technici
9. level of water in the expansion tank should not exceed 1 of the total volume with the balance filled with air Start up boiler following instructions provided Operate entire system including pumps and radiation for at least 1 hour Check water level in expansion tank If level exceeds 1 2 of tank volume air is still trapped in system Shut down boiler and continue to run pumps Within 3 days of start up recheck all air vents and expansion tank as described above 15 12 MICOFLAME CONTROL PANEL This controller accommodates up to four stage control with six modes of operation which provides setpoint as well as rest control It provides the following ils 2 E E 10 11 12 13 Readings of inlet and outlet water temperatures as well as AT temperature rise oix pre set modes of operation mode 1 2 4 and 5 for heating mode 3 for DHW and mode 6 for operation by a remote controller Operation as an auto reset limit Operation as a control for inlet water temperature Optional tank mounted sensor used in conjunction with inlet sensor Adjustable pump delay feature based on AT temperature difference between inlet and outlet temperatures Accepts 1 6 hp pump directly across terminals 13 amp 14 Adjustable target temp inter stage differential on delay between stages minimum on time per stage minimum off time per stage Display of run hours for maintenance purposes Counter wraps around at 1000 hours Flame
10. 02 14 4005 03 Combustion Chamber Common End Panel Right 14 4051 14 4001 Combustion Chamber Common 14 4050 14 4000 End Panel Left Control Box Assembly 14 4028 ES 4 UEM 14 4059 01 14 4059 05 14 4009 02 14 4009 03 Flue Outer Condensing 14 4020 11 amp 2 Required Per Unit Flue Collector Outlet Non 14 4070 STG 14 4020 Condensing 2 Required Per Unit ket Back Panel N amp 3 Condensing dad Bar Seal 4 Required Per 14 4022 01 14 4022 02 14 4032 14 4031 14 4012 02 14 4013 02 14 4010 02 14 4017 14 4016 14 4015 02 41 Outer Back Panel 14 4061 01 51 14 4061 05 51 14 4011 52 14 4011 53 Condensing 14 4012 03 14 4013 03 14 4010 03 14 4015 03 MicoFlame I Model Size 60 100 150 200 250 300 400 500 600 Combustion Chamber Right 14 4053 14 4003 Support Combustion Chamber Left 14 4054 14 4004 Support Flue Collector Top 14 4057 03 14 4057 04 14 4057 05 14 4057 06 14 4007 02 Back Panel 14 4002 02 die amber Back Pane 14 4002 52 Condensing Flue Collector End Bracket 2 14 4058 14 4008 Required Per Unit Chamber Upper Front 14 4076 14 4056 14 4006 02 Burner Drawer Door 14 4080 01 Le MORO EE Son LE n enn 29 Left Heat Exchanger Support 14 4071 Burner Box Assembly 14 4079 012 14 4125 02 NOT REQUIRED 14 4039 01 14 4039 03 Heat Exchanger V Baffles Required MF400 600 Per Unit
11. 14 LL PLACING BOILER IN OPERATION schaue puniri tup pene Id e DU Do DESC uud Ec 15 12 MICOFLAME CONTROL PANEL ci Oris M exque duque 16 12 1 GENERAL SYTMBOLDESCRIPEIOR S cone coton tese dito pb 17 12 2 MODE 1 2 SETPOINT OPERATION VIEW 18 12 3 MODE T amp 2 SETPOINT OPERATION ADJUST DISPLAY si eerte Ere QU er te Eder eie es 19 12 4 MODE 3 SETPOINT OPERATION VIEW DISPLAY eee eeeceece seen eee eeeeene HH mem nre 20 12 5 MODE 3 SETPOINT OPERATION ADJUST DISPLAY eit urbano oco Penh ev qoa 21 12 6 MODE 4 amp 5 OUTDOOR RESET OPERATION VIEW DISPLAY 22 12 7 MODE 4 amp 5 OUTDOOR RESET OPERATION ADJUST 23 12 8 MODE 6 OUTDOOR RESET OPERATION VIEW 25 12 9 MODE 6 OUTDOOR RESET OPERATION ADJUST 26 L3 dONFIHON SYSTEME SAFETY SHUT OFF DEVICE eames 26 TA LOW WATER TEMPERATURE SYSTEM 26 T3 INSTANTANEOUS WATER HEATER E dett 2 I5 CONDENSING FEAT RECOVERY MODULE At E E
12. AT EXCHANGER If within TEN years after initial installation of the appliance a heat exchanger shall prove upon examination by Camus to be defective in material or workmanship Camus will exchange or repair such part or portion on the following pro rated limited warranty 1 Years one through five standard warranty 2 Years six through ten replacement purchase price pro rated at the following schedule Year six 60 Year seven 65 Year eight 70 Year nine 75 Year ten 80 of the current list price of the current list price This term is reduced to FIVE years if the appliance is used for other than hydronic space heating Heat Exchanger shall be warranted for 20 years from date of installation against Thermal Shock excluded however if caused by appliance operation at large changes exceeding 150 F between the water temperature at intake and appliance temperature or operating at appliance temperatures exceeding 230 F BURNER If within FIVE years after initial installation of the appliance a burner shall prove upon examination by Camus to be defective in material or workmanship Camus will exchange or repair such part or portion ANY OTHER PART If any other part fails within one 1 year after installation or eighteen 18 months from date of factory shipment based on Camus records whichever comes first Camus will furnish a replacement or repair that part Replacement parts will be shipped f o b our factory HOW TO MA
13. ED Fe 1 Notes Provide isolation valves and instrumentation where required 2 Boiler to be provided with flow switch and relief valve on boiler s outlet 3 Cold water supply line to be at least the same size as hot water supply line 4 Inlet water temperature must be at all times not less than 110 F LI Inlet Outlet 4T of 30 F AT of 10 F Series E 1 Grande Grande Grande Grande Grande 10 23 2003 CAMUS HYDRONICS LIMITED Proposed Hot Water Piping we lade on De d Firing This drawing is the property of Camus Hydronics Limited DWG NO REV This drawing may not be 01 93 ERIA 00 used copied without Camus s prior written consent PC SHEET OF Euer 1 1 4 3 E El 17 PILOT AND MAIN BURNER FLAMES To maintain safe operation and the greatest efficiency of the boiler check the main burner and pilot burner every six months for proper flame characteristics 17 1 MAIN BURNER The main burner Figure 7 should display the following characteristics Acceptable CO and CO levels for complete combustion Light off smoothly Reasonably quiet while running Stable flame with minimum of lifting Blue flame with natural gas yellow tips with propane gas Figure 7 Metal Fiber Ground Rod Air Switch Sensing Tube Air Gas Mix If burner characteristics
14. G CONFIGURATIONS Caution If isolation valves are provided on the CHRM the provision of a relief valve at the outlet of the secondary is recommended This valve is to be sized at minimum for 10 of the input of the appliance and is to be piped to drain in a manner similar to the appliance relief valve CHRM IN SERIES WITH PRIMARY HEAT EXCHANGER INTEGRATED LOOP The supply water Cold water is pre heated by CHRM and fed into the outlet of the primary Heat Exchanger Provisions must be made to prevent cold water below 115 F 46 C entering the Primary Heat Exchanger 12 BOILER APPLICATION HYDRONIC HEATING In case of boiler Hydronic heating boiler application the return water Supply water may be more than 115 F 46 C therefore there is no need for a recirculation loop and the primary heat exchanger and CHRM can be piped in parallel Since the inlet water temperature to CHRM exceeds 115 F 46 C it will not condense fully and therefore the CHRM will not perform to its maximum efficiency capacity If water colder than 115 F 46 C is available it can be fed to the CHRM WATER HEATER APPLICATION HOT WATER SUPPLY In case of domestic water supply Water Heating the fresh inlet water temperature will be less than 115 F 46 C in this case the CHRM may be fed directly with part of the supply water using a secondary pump 8 FREEZE PROTECTION e Appliance installations are not recommended outdoors in areas where danger of freez
15. INSTALLATION OPERATION AND SERVICE MANUAL MICOFLAME SERIES GAS FIRED RESIDENTIAL AND COMMERCIAL COPPER TUBE BOILERS CERTIFIED FOR HYDRONIC HEATING Non Condensing Models MFH060 100 150 200 250 300 400 500 600 Condensing Models MFH062 102 152 202 252 302 402 502 602 HOT WATER SUPPLY US Non Condensing Models MF W060 100 150 200 250 300 400 500 600 Condensing Models MFWO062 102 152 202 252 302 402 502 602 ENERGY STAR L HIGH EFFICIENCY HAUTE EFFICACITE W WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing oroperty damage personal injury or death Do not store or use gasoline or other flammable vapours and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbour s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Qualified installer service agency or the gas supplier must perform installation and service To the installer After installation these instructions must be given to the end user or left on or near the heater To the End User This booklet contains important information about this heater Retain for future reference E L1 6226 Netherhart
16. KE A CLAIM Any claim under this warranty shall be made directly to Camus Hydronics Limited Canadian Head Office SERVICE LABOR RESPONSIBILITY Camus shall not be responsible for any labour expenses to service repair or replace the components supplied Such costs are the responsibility of the owner DISCLAIMERS Camus shall not be responsible for any water damage Provisions should be made that in the event of a water appliance or fitting leak the resulting flow of water will not cause damage to its surroundings Name Owner Name of Dealer Address Address Model No Serial No Date of Installation Date of Initial Operation 6226 Netherhart Road Mississauga Ontario 5 1B7 CANADA 45 46 CAMUS Hydronics is a The CAMUS CERTIFIED manufacturer of Seal assures you that replacement parts for Reliability Efficiency amp most copper finned serviceability are built water heaters into every m l and heating Tof Vb single unit boilers as well CERTIFIED For more as a information supplier of specialty on our innovative HVAC products Our products from CAMUS service line is open 24 Hydronics Limited call hours 7 days a week 905 696 7800 today CAMUS HYDRONICS LTD 6226 Netherhart Road Mississauga Ontario L5T 1B7 TEL 905 696 7800 FAX 905 696 8801
17. NTING Boilers for outdoor installation are intended to vent using a listed vent cap For indoor installations venting must be in accordance with Part 7 Venting of Equipment of the latest or current as amended National Fuel Gas Code ANSI Z223 1 or Section 7 Venting of Equipment and Air Supply for Appliances of the CAN CGA B149 Installation Codes and applicable provisions of the local building codes Vent connectors serving appliances vented by natural draft shall not be connected into any portion of mechanical draft systems operating under positive pressure Horizontal runs of vent pipe shall be securely supported approximately every 4 feet to prevent sagging and maintain a minimum upward slope of 4 per foot from the boiler to the vent terminal When an existing boiler is removed from a common venting system the common venting system is likely to be too large for proper venting of the appliances remaining connected to it At the time of removal of an existing boiler the following steps must be followed with each appliance remaining connected to the common venting system placed in operation while the other appliances remaining connected to the common venting system are not in operation a Seal any unused openings in the common venting system b Visually inspect the venting system for proper size and horizontal pitch and determine that there is no blockage restriction leakage corrosion or other deficiency which could cause a
18. R E Eis 28 7 PILOTAND MAIN BURNER FLAMES Da RENDIR IGNI Set n ea poemas 30 17 1 MAIN BURNER otto et adatto Ed dose Des 30 17 2 REMOVAL OF COMBUSTION CHAMBER LINING ro E Ere tro nare 17 3 eect 32 L9 OPERA TONAND SERVICE sore A 33 19 tT 34 20 TROUBLE SHOOTING GUIDE 35 215 WAN LIENS TRAIN UM 36 Z2 BEECHRICAL DIAGRAIISusu e eid aaa ad 36 UMEN 39 24 WICOLELAIVIE REPLACEMENT PARTS BIST 41 WARRANTY 45 INTRODUCTION Camus Hydronics proudly introduces its MicoFlame series of water heaters hydronic boilers These gas burning appliances are thoughtfully designed for easy operation and maintenance We are confident that you will come to appreciate the benefits of our product 1 GENERAL INSTRUCTIONS The installation of this heater must conform to the requirements of the authority having jurisdiction or in the absence of such requirements to the latest or current as amended National Fuel Gas Code ANSI Z223 1 or CAN CGA B149 Installation Codes All electrical wiring must be done in accordance with the requirem
19. Y Mode 1 intended for hydronic heating The set point for inlet water control is pre set to 180 F and the auto re set limit is set to 230 F The inlet set point can be adjusted however the limit is fixed In addition to the auto reset limit the factory installs a manual re set limit set to 250 F The control turns on the appliance pump and stages the appliance to maintain set point target temperature at the appliance inlet temperature whenever an external heat demand is present Once the external heat demand is removed the control turns off the appliance and operates the appliance pump based on Mode 2 is intended for hydronic heating The set point for inlet water control is pre set to 180 F and the auto re set limit is set to 230 F The inlet set point can be adjusted however the limit is fixed In addition to the auto reset limit the factory installs a manual re set limit set to 250 F The control turns on the appliance pump and stages the appliance to maintain set point target temperature at the appliance inlet temperature whenever an external heat demand is present Once the external heat demand is removed the control turns off the appliance and operates the appliance pump based on the purge feature The control turns on the appliance pump and stages the appliance to the set point target temperature at the system temperature whenever an external heat demand is present Once the last appliance stage turns off and the heat demand is still presen
20. an 19 LIGHTING INSTRUCTIONS 1 Turn off electric power to boiler 2 Close main manual valve and main firing valve and wait 5 minutes 3 Set primary system controller to desired temperature 4 Open pilot valve 5 Turn on electric power to boiler The electrode at the pilot should begin to spark after pre purge is complete The pilot valve will open to permit gas flow to the pilot 6 There is a 15 second trial for ignition which is enough time to light the pilot if air is not present in the pilot line If pilot fails to light and you suspect air in the line close the main manual valve and repeat lighting steps 1 thru 5 7 Once the pilot lights it should envelope the ignition rod and ground electrode The pilot can be adjusted by removing the pilot regulator cover and turning the adjustment screw counterclockwise to decrease it or clockwise to increase it 8 Open the main manual and main firing valves to allow gas to reach the main burner If the main burner fails to ignite turn the firing valve off and check to see that the pilot is burning If not repeat lighting procedure steps 1 thru 7 TO TURN OFF BOILER Close main manual valve and main firing valve and turn off electric power to system 34 20 TROUBLE SHOOTING GUIDE SYMPTOM SOLUTION 1 Power light is not lit when switch is Check wiring to switch flipped to ON Check circuit breaker Check fuse 2 Water flow light remains off e Verify that pump is ru
21. assembly with the metal filter cover removed to expose pilot tube Figure 8 E d TUBE Once the spark is satisfactory open the pilot gas and allow the pilot burner to light Once air has been purged from the pilot line the pilot flame should appear almost instantly at the initiation of spark Cycle the pilot several times to confirm reliability A properly set pilot will appear blue and will engulf the igniter and ground electrode Open the firing valve and allow the main burner to light The pilot must not extinguish After running for 15 minutes cycle the appliance to ensure that the pilot remains stable 52 18 OPERATION AND SERVICE OPERATION Before operating the boiler the entire system must be filled with water purged of air and checked for leaks Do not use Stop leak or other boiler compounds The gas piping must also be leak tested Any safety devices including low water cutoff flow switch and high limit used in with this boiler must receive periodic inspection every six months to assure proper operation A low water cutoff of the float type should be flushed every six months All relief valves should be inspected and manually operated every six months For your safety follow the lighting and operating instructions below and on the boiler To turn on main burner slowly open firing valve after pilot is established Set primary system controller to desired temperature To turn off boiler close main manual
22. ber base Failure to properly locate the burner will result in erratic flame operation with the possibility of delayed ignition on light off 6 Restore electrical power and gas supply to boiler 7 Place boiler in operation using lighting instructions provided 8 While the boiler is operating check for flue gas leaks and proper vent operation Seal any flue gas leaks using appropriate gasket or sealing material Carefully examine the flue collector access panel and heat exchanger ends The MicoFlame is a category 1 85 efficient when supplied as a non condensing appliance When supplied with the optional condensing cartridge the MicoFlame is 95 efficient and is considered to be a category 11 or IV appliance Three venting options are available for this boiler See Figure 2 for details Please refer to Table 1 for vent dimensions Figure 2 Non Condensing SINGLE ACTING BAROMETRIC DAMPER OUTDOOR VENTING STANDARD VENTING Condensing SINGLE ACTING BAROMETRIC DAMPER OUTDOOR VENTING STANDARD VENTING SIDEWALL VENTING 6 1 OUTDOOR VENTING When fitted with the factory supplied rain shield and UL approved vent cap the MicoFlame is self venting The following applies to outdoor installations 1 Use only factory supplied rain shields 2 Periodically check to ensure that air intake and vent cap are not obstructed 3 Locate boiler at least 3 feet away from any overhang 4 Locate boiler at least ten feet from buildi
23. conduit suitable for outdoor use for outdoor installations Use terminal strip provided inside control panel for low water cut off and remote controller Refer to wiring diagram provided with boiler 5 NORMAL GAS SUPPLY AND PIPING This boiler is intended to operate at inlet gas pressures not exceeding 1 4 PSI 7 W C when firing with natural gas If higher pressures are present consult the gas company for correction When pressure testing the gas supply piping at pressures above 1 PSI the boiler and its individual gas shut off valve must be disconnected from the supply piping Provide a trap drip leg as close to the heater as possible Install a ground joint union and manual shut off valve in the gas line near the heater to allow easy removal of the gas control assembly Provide gas pressures at inlet to appliance in accordance with the limits in the table below PROPANE NATURAL GAS Minimum Running inches W C Maximum Lockup inches W C The gas supply line must be of adequate size to prevent undue pressure drop and must never be smaller than the size of the connection on the heater Sizing based on Table 2 is recommended Before operating the boiler the complete gas train and all connections must be tested using soap solution Table 2 DISTANCE FROM NATURAL GAS METER PROPANE SECOND STAGE REGULATOR Input 900 a 100 000 3 4 7 150 000 1 9 3 a GUN IR 1 6 VE
24. cturer s instructions if those instructions differ from this section 10 Conventional Venting Multiple appliances may be vented into a conventional chimney The chimney must be lined with AL29 4C and a single acting barometric damper must be provided for each appliance Vent diameters are to be increased by one size over the recommended size A qualified professional using a proven vent sizing program with input of accurate operating parameters must properly calculate sizing of the venting system In applications where flue gas temperatures are lower than can support a Category II with conventional negative draft it will be determined at the venting design stage that a positive pressure will be developed in the vent It will then be necessary to either provide separate vents as for Category IV or to provide an extractor at the chimney outlet in order to maintain a negative draft in the chimney and allow common venting Approval of the installation will be at the discretion of authorities having jurisdiction The chimney must be protected from down drafts rain and debris by using a listed chimney cap Sidewall and Vertical Venting The maximum vent length is 50 equivalent feet Vent pipe may be run through a vertical or horizontal chase provided that minimum clearances to combustible materials are maintained The vent termination location is restricted as follows Minimum 12 inches above grade plus normally expected snow accumulation Or 7 f
25. do not match the above check for proper air box pressure Also look for accumulation of lint and other foreign material at fan air inlets Typical air box settings are as follows MODEL AIR BOX W C FLUE SWITCH RECYCLE POINT with burner firing 020 60 _ O70 O 30 Depending on field conditions air box pressures will have to be adjusted accordingly Always set the appliance for level in the range of 7 5 to 8 0 96 for non condensing appliances and 8 5 to 9 0 for condensing appliances For propane fired appliances the setting will be approximately 1 596 higher A qualified service technician should follow this procedure when burner needs cleaning 1 Shut off power and close main manual gas valve e Allow burner to cool before removal 2 Remove access cover screws Disconnect pilot gas at bulkhead fitting Disconnect ground wire and ignition wire Remove two wing nuts holding down burner Gently pull down and forward to disengage burner e Remove burner being careful to not damage the igniter or ground electrodes 3 Thoroughly clean burner Check all ports and air channels for blockage 4 Reinstall the burner being careful to fully engage the back of the burner box into the retaining slot in the combustion chamber base Failure to properly locate the burner will result in erratic flame operation with the possibility of delayed ignition on light off 5 Restore electrical power and
26. eck temperature rise across boiler to ensure adequate water flow If necessary increase static water pressure and decrease gas pressure 35 21 TYPICAL GAS TRAIN Figure 9 Metal Fiber Burner Combination Valve Mixing Tube Firing Valve Pressure Tap Gas Orifice Cap Pilot Tube 22 ELECTRICAL DIAGRAMS Each MicoFlame boiler will be provided with its own wiring diagram to guarantee that any options ordered with the unit are properly detailed The following diagram 99 5060 is provided as a typical sample only 36 0205 56 dd ad A l LO 6I 20 31 90 ATH dna 44 988 34v 4D2I4 1738 J 4csuass 404 7 CPD 3 i398 uppta auratuadwag jo iszv ugs ashy ay 45r souepdde aus yga papddms so agja ayy 45 Aut 3 Go ALON qid LIL73HHBDZ 4 A Jid n 9 HD sd ama 38 te ONO Ate ONS Ag Aud Fi Feel Fe c HILJA 344 QUE 5 AVEUVTL a34009 1 dang Pe UNS Are INS Mg Ad AW AS ADi aly n OLLI VA 440 50 13539 3514 F TN 37
27. eet above grade if located adjacent to public walkways Do not install over public walkway where local experience indicates condensation or vapor from the boiler creates a nuisance or hazard Minimum 3 feet above any forced air inlet located within 10 feet of vent termination Minimum 4 feet below 4 feet horizontally or above any door window or gravity air inlet Minimum 4 feet horizontally from electric meters gas meters regulators and relief valves Use appropriately designed thimbles when passing through combustible walls or roofs Install fire stops where vent passes through floors ceilings or framed walls The fire stop must close the opening between the vent pipe and the structure Locate vent terminal above combustion air intake terminal if used and no closer than 2 feet vertically or horizontally Vertical venting requires flashing and a storm collar to prevent moisture from entering the structure Vertical vent termination must be at least 2 feet plus the expected snow accumulation above the roof penetration height 11 7 ACCESSORIES WATER FLOW SWITCH shipped loose A water flow switch is shipped loose and is to be installed in the outlet piping on all heating boilers and hot water supply boilers The flow switch is wired in series with the 24VAC safety control circuit A diagnostic light will be indicated on the control display on a low flow condition LOW WATER CUTOFF If Equipped If this boiler is installed above radiation level
28. ents of the authority having jurisdiction or in the absence of such requirements with the National Electrical Code ANSI NFPA 70 or the Canadian Electrical Code Part CSA C22 1 Electrical Code Vent installations must be in accordance with Part 7 Venting of Equipment of the latest edition or the current as amended National Fuel Gas Code ANSI 2223 1 or Section 7 Venting Systems and Air Supply for Appliances of the CAN CGA B149 Installation Codes and applicable provisions of the local building codes When required by the authority having jurisdiction the installation must conform to the Standard for Controls and Safety Devices for Automatically Fired Boilers ANSI ASME CSD 1 The qualified installer shall instruct the end user in the safe and correct operation of this appliance and shall ensure that the heater is in safe working order prior to leaving the job site WARRANTY Factory warranty shall apply only when the boiler is installed in accordance with local plumbing and building codes ordinances and regulations the printed instructions provided with it and good industry practices Excessive water hardness causing a lime build up in the copper coils or tubes is not a fault of the boiler Consult the factory for recommendations for use in hard water areas Damage to the heat exchanger as a result of scaling or corrosive water conditions in non warrantable Using or storing corrosive chemicals in the vicinity of this boiler can ra
29. erature Tank Target Temperature Tank Differential Differential Temperature Pump Delay Parameter Description Operating mode for the boiler NOTE A complete description of each mode can be found in section 8 4 Modes of Operation in this manual To provide a target setpoint for the heating system Setpoint is controlled to the inlet sensor To provide a target setpoint for the Tank Setpoint is controlled to the Tank sensor To provide a modulation rate above and below the Tank Target Temperature For example if the value is 10 F and the Tank Target Temperature is 160 F the boiler will begin to modulate at 150 F and shut off at 170 F To provide a modulation rate above and below the Boiler Target temperature For example if the value is 10 F and the Boiler Target is 160 F the boiler will begin to modulate at 150 F and shut off at 170 F Boiler post pump time after burner has shut off in seconds Select the desired unit of measurement Temperature Units 21 Parameter Range 1to6 Default 1 OFF 70 to 220 F OFF 21 to 104 C Default 140 F 82 C OFF 70 to 190 F OFF 21 to 88 C Default 130 F 54 C 2 to 10 F 1 to 5 C Default 3 F 1 C Au 2 to 42 F Au 17 to 5 C Default 10 F OFF 0 20 to 9 55 min On Default 1 00 min F Default F 12 6 MODE 4 amp 5 OUTDOOR RESET OPERATION VIEW DISPLAY Mode 4 is intended fo
30. failure signal 24 V Molex connector for ease of service Error message display Test override feature to test pump operation stages 1 2 3 and 4 and alarm Pump exercising feature runs pump 10 seconds every three days of no pump operation Y iB Boil Proof Dem CAMUS hydronics Ltd SMART FLAME 78 0014 KEY DESCRIPTION The abbreviated name of the selected item will be displayed in the item field of the display To view the next item press the button Increase a parameter value Decrease a parameter value 16 Levels of Access View Access to general boiler and display settings and will allow adjustments to the central heating and domestic hot water setpoint Adjust Access to all user parameters and allows for changes to additional boiler parameters to allow for ease of startup and serviceability 12 1 GENERAL SYMBOL DESCRIPTION SYMBOL SYMBOL SYMBOL NAME DESCRIPTION Shown when Boil boiler pump is ump IN Operation Shown when DHW i DHW pump is in operation Shown when De Heat heat demand is 1 oresent Shown when Dem Flame flame signal is 2 Proof proven hown when 6 Burner Sho burner is on i Shown when Warning an error is oresent Shows the operation as Pointers indicated by the text Proof Displays when the control is in Warm Weather Shutdown 17 12 2 1 amp 2 SETPOINT OPERATION VIEW DISPLA
31. ill be shut off within 4 seconds of the pilot gas being shut off If shut down takes longer ignition control or gas valve may be defective 14 LOW WATER TEMPERATURE SYSTEMS In applications where the heating system requires supply water temperatures below 110 F a bypass line must be installed upstream of the boiler pump so that outlet water can be re circulated to raise the inlet temp to a minimum of 110 F Balancing valves preferably globe valves are used to adjust flow See Figure 5 26 Figure 5 e Adjustment procedure Fully open bypass and outlet valves With boiler running read inlet temperature after 15 minutes c If the inlet temperature is less than 115 F 46 C slowly close outlet valve until the inlet temperature climbs to 115 F 46 C d If the inlet temperature is greater than 115 F 46 C but not greater than 140 F no further adjustment is required e Check the inlet temperature after 5 minutes and make final adjustments een 15 INSTANTANEOUS WATER HEATER An instantaneous water heater is designed to deliver hot water without the use of a storage tank It is suitable for applications with variable load such as restaurants condominiums apartments and motels See Figure 6 Call factory for recommendations 21 Figure 6 16 CONDENSING HEAT RECOVERY MODULE The MicoFlame could be provided in condensing mode for a variety of application including domestic hot water and hydronic space heati
32. ing exists unless precautions are taken Maintaining a mixture of 50 water and 50 propylene glycol is the preferred method of freeze protection in hydronic systems This mixture will protect the appliance to approximately 35 F 37 C To maintain the same temperature rise across the appliance increase the GPM flow by 15 and the head loss by 20 The following example demonstrates the procedure to follow for calculating the revised head for the heat exchanger when using a water glycol mixture Given that Camus is showing a heat exchanger flow and head loss of 100 gpm 10 feet e Increasing the flow by 15 now results in a head loss of 13 feet at 115 gom from B amp G system syzer At this increased flow Camus now recommends to increase the head loss by 20 e The requirement for the heat exchanger with water glycol mixture will now be 115 gom 15 6 feet ie 1 2 x 13ft 15 6 ft e Asimilar procedure must be followed to calculate the additional head loss in pipe and fittings in order to arrive at the proper pump selection e For Outdoor installations a snow screen should be installed to prevent snow and ice accumulation around the appliance Regular inspections should be made to ensure that air intake and vent are free of snow and ice Always consider the use of a shelter such as a garden shed in lieu of direct exposure of the appliance to the elements The additional protection afforded by the shelter will help to minimize nuisance p
33. ite o Wear long sleeved loose fitting clothing gloves and eye protection e Apply enough water to the combustion chamber lining to prevent airborne dust e Remove the combustion chamber lining from the water heater and place it in a plastic bag for disposal e Wash potentially contaminated clothes separately from other clothing Rinse clothes washer thoroughly NIOSH stated First Aid Eye Irrigate immediately e Breathing Fresh air 31 17 3 PILOT BURNER Turn the pilot firing valve to off position and allow the appliance to try for ignition Observe the spark making sure that it is strong and continuous If the spark is not acceptable the igniter will have to be adjusted This can be readily accomplished after removing the main burner The spark gap should be 1 8 to 3 16 Make sure that the electrode does not appear overheated or fouled with carbon It may be necessary to clean the ignition electrode using steel wool Once the pilot appears to be properly set reinstall it into the appliance making sure to properly tighten the pilot line connection If the pilot is removed from the main burner in the course of servicing the appliance it is important to reinstall it so that there is no gap between the top surface of the pilot tube and the underside of the metal filter support screen When properly set it will not be possible to slip a business card between the pilot burner and the support screen Figure 8 shows the burner box
34. le 3 is provided as a guide For application in areas known to have hard water conditions contact factory for recommendations Table 3 Head Loss and Flow Vs Temperature Rise 14 Figure 4 If the boiler is installed above radiation level it must be provided with a low water cutoff device at the time of boiler installation Available from factory To eliminate trapped air install venting devices at high points in the system as well as in the piping on the suction of the pump and in the piping on the discharge of the boiler Suitable pipe hangers must support the weight of all water and gas piping or floor stands Do not allow the boiler to run with inlet water temperature below 115 F 46 C The boiler must be installed so that the gas ignition system components are protected from water dripping spraying rain etc During appliance operation and service circulator replacement control replacement etc 11 PLACING BOILER IN OPERATION The MicoFlame boiler should be installed and started up by qualified personnel With the boiler off open makeup water valve and allow system to fill slowly Adjust the pressure regulator to provide at least 15 PSIG in the system when cold With all air vents open run system circulating pump for a minimum of 30 minutes with the boiler off Open all strainers in the circulating system and check for debris Check liquid level in expansion tank With system full of water at 15 PSIG the
35. moved the appliance is turned off and the control operates the appliance From the Home display 1 Press ITEM to view the following parameters Display Parameter Description ird 60 to 190 F 51 to 88 C Real time Outdoor Temperature emperature Boiler System Temperature Mode 5 ONLY BOILSUP 14 to 266 F 10 to 130 C Real time System Temperature to Boiler 14 to 266 F 10 to 130 C Boiler Outlet Real time Outlet Temperature to Boiler Temperature 14 to 266 F 10 to 130 C Boiler Inlet Real time Inlet Temperature to Boiler Temperature Real time temperature difference Boiler Delta T Total Run Time Since Installation between the outlet sensor and the inlet Sensor Monitors the amount of operational time since the unit was installed The first two digits are the number of thousands of hours and the three digit display shows the number of hundreds of hours Press a V simultaneously to reset the counter 22 99 to 252 F 72 to 140 C Alternates between 00 and 999 127 MODE 4 amp 5 OUTDOOR RESET OPERATION ADJUST DISPLAY From the Home display 1 Press ltem A Y simultaneously to view the following parameters Display Parameter Description Parameter Range Operating mode for the boiler 1to6 NOTE A complete description of each mode can be found in section 8 4 Default 1 Modes of Operation in this manual 35 to 85 F Outdoor sta
36. n unsafe condition c Insofar as is practical close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building Turn on the clothes dryers and any appliances not connected to the common venting system Turn on any exhaust fans such as range hoods and bathroom exhausts so they will operate at maximum speed do not operate a summer exhaust fan Close fireplace dampers Place in operation the appliance being inspected Follow the lighting instructions Adjust thermostat so that appliance operates continuously Test for spillage at the draft control device relief opening after 5 minutes of main burner operation Use the flame of a match or candle or smoke from a cigarette After it has been determined that each appliance remaining connected to the common venting system properly vents when tested as outlined above return doors windows exhaust fans fireplace dampers and any other gas burning appliance to their previous condition of use Any improper operation of the common venting system must be corrected so that the installation conforms to the National Fuel Gas Code ANSI Z223 1 or CAN CGA B149 Installation Codes When resizing any portion of the common venting system the common venting system should be resized to approach the minimum size as determined using the appropriate tables in Part 11 of the latest or current as ame
37. nded National Fuel Gas Code ANSI Z223 1 or CAN CGA 149 Installation Codes Heat exchanger surfaces and vent piping should be checked every six months for deterioration and carbon deposits Remove all soot or other obstructions from the chimney and flue which might impede draft action Replace any damaged or deteriorated parts of the venting system A qualified service technician should follow this procedure when inspecting and cleaning the heat exchanger and vent pipe iis 2 Turn off electrical power and close main manual gas shut off and allow boiler to cool down Remove the vent pipe running to chimney Remove top outer panel and flue collector access panel Check heat exchanger vent and chimney for obstruction and clean as necessary Remove burner from boiler and vacuum the burner and the heat exchanger If heat exchanger is excessively dirty it may be necessary to remove it from the boiler and wash it down with proper detergent cleaner Be aware that the combustion chamber base is insulated with 14 thick ceramic paper If this material is damaged or displaced it must be replaced before starting up the boiler Reinstall parts removed in steps 2 and 3 Be sure that vent pipe has proper pitch and is properly sealed Repair or replace any gaskets which may have been damaged in steps 2 and 3 5 CAUTION When replacing the burner be careful to fully engage the back of the burner box into the retaining slot in the combustion cham
38. ng The CHRM is intended to extract total sensible and latent heat from the flue gases downstream of the primary heat exchanger As a result condensation of moisture in the flue gas will take place on the CHRM surfaces and in the exhaust vent This condensation is a natural outcome when efficiencies exceed 90 A neutralizer cartridge is provided and must be installed in the line from the condensate collection pot to the drain PH level of the condensate is to be checked regularly and neutralizing medium is to be replaced as required to maintain effectiveness A neutralizer cartridge is available from the factory Recommended installation methods of the condensing MicoFlame will vary depending on the application and the expected water temperature variation of the system Examples of recommended installation for typical applications are shown below 28 Notes 1 Two way valve V1 set to maintain 110 F minimum inlet boiler temperature 2 Pressure drop across the primary HX generates flow through secondary HX Zone Returns Flue Outlet MicoFlame AT of 30 F AT of 10 F Series Primary Secondary APR DRAWN CHECKED Hydronic Heating Natural Gas Firing MicoFlame 95 Efficiency This drawing is the property of This drawing may not be EE OX used copied without Camus s QU 01 93 80 prior written consent beg SHEET 1 OF 1 4 CAMUS HYDRONICS LIMIT
39. ng air intake 5 Avoid installation in areas where runoff from adjacent building can spill onto boiler 6 2 SIDEWALL VENTING When fitted with the factory supplied vent terminal the MicoFlame can vent up to 50 equivalent feet Elbows can range from 5 to 9 feet in equivalent length depending on centerline radius See Table 1 for vent sizes Boilers may be installed with either a horizontal sidewall vent or vertical roof top terminal Terminals differ with each application Horizontal lengths over 5 feet must be installed using corrosion resistant stainless steel Use single wall vent and seal all joints or use pressure rated double wall vent Refer to local codes for proper installation and location of vent terminals When using sidewall vent all vent connector seams and joints must be sealed with pressure sensitive aluminium tape or silicone sealant as specified by the vent manufacturer Aluminum tape must meet the provisions of SMACNA AFTS 100 73 Standard When venting through unheated spaces with single wall vent insulation should be wrapped around the vent pipe to prevent flue gas condensation inside the vent Periodically check to ensure that the vent terminal is unobstructed 6 3 OUTDOOR AIR KIT When fitted with the factory supplied air inlet ring and air intake terminal the MicoFlame can draw outdoor air over an equivalent length of 50 feet See Table 1 for vent sizes Boilers may be installed with either a horizontal sidewall ve
40. nning e Check wiring to flow switch 3 Pilot sparks but does not light Verify that main manual valve is open Follow lighting instructions to bleed air out of pilot line Remove main burner and inspect for moisture or dirt in pilot or in pilot line Verify that pilot is sealed to main burner base Verify that gas connections are tight 4 Pilot lights momentarily goes out and Observe pilot for proper flame Adjust if necessary then sparks again repeatedly Check pilot flame signal Properly set pilot to generate 1 5 pA D C on average Remove main burner and ensure that igniter and ground electrodes are positioned properly Clean with steel wool if necessary Verify that back of burner box is fully engaged into the retaining slot in the combustion chamber base 5 Pilot lights but main burner does not fire Verify that high limit is set high enough to prevent short cycling Check pilot flame signal UA Adjust pilot pressure for steady flame Remove main burner Check position of igniter and ground electrode Clean with steel wool if necessary 6 Main burner lights but cycles off after a Verify that high limit is set high enough to prevent short few minutes cycling Adjust pilot pressure for steady flame Remove main burner Adjust pilot shield and clean ighition sensor 7 Boiler starts to whine as the temperature Verify that all air is bled from system rise increases Verify that the static pressure in cold system is at least 15 psig Ch
41. nt connector 6 6 VENTING FOR CONDENSING APPLICATION When supplied with the optional condensing cartridge the MicoFlame is 95 efficient category II or IV appliance which requires the use of a special venting system fabricated from AL29 4C or equivalent material Only venting components listed by a nationally recognized testing agency may be used This appliance may be installed with conventional sidewall or vertical venting Conventional vented appliances operate with negative pressure in the vent pipe and require a special vent adapter to increase the flue outlet diameter Sidewall and vertically vented appliances operate with positive pressure in the vent pipe and may be directly connected to the flue outlet without the use of an increaser Consult the vent pipe manufacturer s instructions for minimum clearances to combustible material for vent components In the absence of instructions the minimum clearance to combustible material is six inches Consult vent pipe manufacturer s instructions for proper method of sealing vent pipe sections and fittings In the absence of instructions make sure that pipe and fittings are clean by swabbing with alcohol Use Dow Corning 736 or 732 RTV Polybar 500 RTV or Sil bond 4500 or 6500 to seal vent pipe Do not use other sealants or adhesives except as expressly permitted by vent manufacturer s instructions Consult vent pipe manufacturer s instructions for vent system assembly Follow vent pipe manufa
42. nt or vertical roof top terminal Terminals differ with each application The following applies to outdoor air installations 1 Use only factory supplied air intake terminal 2 Periodically check to ensure that air intake is not obstructed 3 Refer to local codes for proper installation and location of vent terminals Vertical vent terminal must be at least 3 feet above the highest point where it is located above the roof of a building and at least two feet higher than any part of the building within a horizontal distance of ten feet 4 Locate the air intake five feet away from the vent discharge For sidewall venting locate the air intake below the vent outlet if possible 6 4 FILTER KIT A louvered rear panel is the standard air inlet configuration for the MicoFlame A filter kit is available The filler is washable and accounts for an additional pressure loss of less than 0 05 W C Highly recommended for dusty environments The filter kit can also be provided when using the outdoor air kit 6 5 STANDARD VENTING The MicoFlame is a category 1 appliance and is approved for venting into a common standard chimney If chimney height is much greater than 30 feet or if drafts are excessive it may be preferable to provide a single acting barometric damper directly above the vent collar This damper will ensure smooth light off and minimize standby loss through the boiler Be sure to position the damper at least 6 away from the wall of the ve
43. pidly attack the copper tubes and coils and voids warranty The primary heat exchanger of this boiler is intended to operate under non condensing conditions Inlet temperatures must be maintained at 110 F or higher Warranty is void if the primary heat exchanger is allowed to operate in condensing mode Damage caused by freezing or dry firing voids warranty This boiler is not to be used for temporary heating of buildings under construction 2 BOILER LOCATION Install this boiler in a clean dry location with adequate air supply and close to a good vent connection Do not locate this boiler in an area where it will be subject to freezing The boiler is suitable for installation on combustible flooring and should be located close to a floor drain in an area where leakage from the boiler or connections will not result in damage to the adjacent area or to lower floors in the structure If necessary a suitable drain pan should be installed under the boiler If the boiler is installed above the level of the building s radiation system a low water cutoff device must be installed in the boiler outlet at the time of installation Some local codes require the installation of a low water cutoff on all systems Locate the boiler so as to provide adequate clearance for inspection and service all around the unit is recommended that 24 be provided for the top and sides and 48 for the front This boiler is suitable for alcove installation with minim
44. r hydronic heating The set point for inlet water control is pre set to 180 F and the auto re set limit is set to 230 F The inlet set point can be adjusted however the limit is fixed In addition to the auto reset limit the factory installs a manual re set limit set to 250 F The control turns on the appliance pump and stages the appliance to maintain outdoor reset target temperature at the appliance inlet temperature whenever an external heat demand is present Once the external heat demand is removed the control turns off the appliance and operates the appliance pump based on the purge feature Mode 5 is intended for hydronic heating The set point for inlet water control is pre set to 180 F and the auto re set limit is set to 230 F The inlet set point can be adjusted however the limit is fixed In addition to the auto reset limit the factory installs a manual re set limit set to 250 F The control turns on the appliance pump and stages the appliance to maintain outdoor reset target temperature at the system temperature whenever an external heat demand is present Once the last appliance stage turns off and the heat demand is still present the control then operates the appliance pump based on the purge feature In this case it is imperative that the system pump operates continuously in order to provide constant circulation past the system sensor The appliance pump then turns back on with the first stage of the appliance If the heat demand is re
45. roblems with electrical connections and will allow easier servicing of the appliance under severe weather conditions 9 WARNING REGARDING CHILLED WATER SYSTEMS When a boiler is connected to an air conditioning system where the same water is used for heating and cooling the chiller must be piped in parallel with the boiler Appropriate flow control valves manual or motorized must be provided to prevent the chilled water from entering the boiler See Figure 3 13 Figure 3 Supply Return Chiller sem Boiler Pump gt lt gt lt When a boiler is connected to heating coils located in air handling units where they may be exposed to refrigerated air circulation the boiler piping system shall be equipped with a flow control valve or other automatic means to prevent gravity circulation of chilled water through the boiler Chilled water in the boiler will create condensate on the boiler tubes which will collect in the combustion chamber causing corrosion 10 PIPING OF BOILER TO SYSTEM FIG 4 Check all applicable local heating plumbing and building safety codes before proceeding Be sure to provide unions and gate valves at inlet and outlet to boiler so that it can be easily isolated for service This boiler is of a low mass design which provides for instant heat transfer Special attention to water flow rates will ensure that temperature rise does not exceed 35 F 19 4 C The following Tab
46. rting temperature used in 2 to 29 C the reset ratio for the heating system Typically set to the desired building temperature Outdoor Start Temperature Default 60 F 21 C OUTDR DSGN 60 to 50 F Outdoor design temperature used in 51 to 10 C Desian the reset ratio for the heating system 9 Set to the coldest annual outdoor Temperature Default 10 F temperature in the local area 23 C 35 to 150 F Starting water temperature used in the 2 to 66 C Boiler Start reset ratio calculation for the heating Temperature system Typically set to the desired 0700 building temperature Default 70 F 21 C Boiler design water temperature used in the reset ratio calculation for the heating system Set to the boiler water temperature required to heat the building on the coldest annual outdoor temperature 70 to 230 F Boiler 21 to 110 C Design Temperature Default 180 F 82 C Boil Mass Thermal mass of boiler This 1 to 3 Mode 5 determines interstage delay and ONLY minimum on and minimum off times Default 1 To provide a modulation rate above and below the Boiler Target Au 2 to 42 F Differential temperature For example if the value Au 16 to 5 C Temperature is 10 F and the Boiler Target is 160 F the boiler will begin to modulate at Default 10 F 150 F and shut off at 170 F 23 Pump Delay Warm Weather Shutdown Temperature Temperature Units
47. t the control then operates the appliance pump based on the purge feature In this case it is imperative that the system pump operates continuously in order to provide constant circulation past the system sensor The appliance pump then turns back on with the first stage of the appliance If the heat demand is removed the appliance is turned off and the control operates the appliance pump P1 based on the purge feature From the Home display 1 Press ITEM to view the following parameters Display Parameter Description icd Boiler oystem Temperature Mode 2 ONLY BOILSUP Real time System Temperature to 14 to 266 F Boiler 10 to 130 C Boiler Outlet 14 to 266 F 10 to 130 C Temperature Real time Outlet Temperature to Boiler Boiler Inlet Real time Inlet Temperature to Boiler 14 to 266 F Temperature 10 to 130 C Real time temperature difference Boiler Delta between the outlet sensor and the inlet 99 to 252 F T sensor 72 to 140 C Monitors the amount of operational time since the Unit was installed The first two Total Run digits are the number of thousands of Alternates Time Since hours and the three digit display shows the between 00 and Installation number of hundreds of hours 999 Press simultaneously to reset the counter 18 12 3 MODE 1 amp 2 SETPOINT OPERATION ADJUST DISPLAY From the Home display 1 Press ltem A V simultaneously to view the following parameters
48. target temperature at the appliance inlet temperature An internal demand is generated from the DHW sensor which could be placed in the storage tank while the external heat demand is permanently wired or through a timer Once the DHW tank is satisfied internal demand is removed the control turns off the appliance and operates the appliance pump based on the purge feature From the Home display 1 Press ITEM to view the following parameters Display Parameter Description Boiler Outlet 14 to 266 Temperature Real time Outlet Temperature to Boiler 10 to 130 C Boiler Inlet 14 to 266 Temperature Real time Inlet Temperature to Boiler 10to 130 C Real time temperature difference Boiler Delta between the outlet sensor and the inlet 99 to 252 F T sensor 72 to 140 C Tank 14 to 266 Temperature Real time Tank Temperature to Boiler 10 to 130 C Monitors the amount of operational time since the unit was installed The first two digits are the number of thousands of hours and the three digit display shows the number of hundreds of hours Press amp Y simultaneously to reset the counter Alternates between 00 and 999 Total Run Time Since Installation 20 12 5 3 SETPOINT OPERATION ADJUST DISPLAY From the Home display 1 Press Item A V simultaneously to view the following parameters Parameter TARGET TARGET TANK Boiler Target Temp
49. these circumstances an engineered air supply is necessary If the heater is to be installed near a corrosive or potentially corrosive air supply the heater must be isolated from it and outside air should be supplied as per code Potentially corrosive atmospheres will result from exposure to permanent wave solution chlorinated waxes and cleaners chlorine water softening chemicals carbon tetrachloride halogen based refrigerants Freon cleaning solvents hydrochloric acid cements and glues masonry washing materials antistatic fabric softeners dry cleaning solvents degreasing liquids printing inks paint removers etc 4 ELECTRICAL WIRING All electrical wiring to the boiler must be electrically bonded to ground in accordance with the requirements of the authority having jurisdiction or in the absence of such requirements with the National Electrical Code ANSI NFPA 70 or the Canadian Electrical Code Part I CSA C22 1 Electrical Code Provide disconnecting means of sufficient rating within sight of the boiler These heaters require an 115V 60Hz supply Depending on the pump used a 15 amp breaker is usually sufficient Electrical connections must be made so that the circulator will operate before the gas valve can open At no time may the control system allow the burner to fire without water flowing in the system Use minimum 18 gauge conductor for 24 volt field wiring to boiler Splicing of wires is not recommended Use sealed tight
50. ube GMTM 03 TH N A 4 Mixing Tube N A GMTM 04 TH Indicates variations of part based on model and or serial number 44 WARRANTY GENERAL Camus Hydronics Limited Camus extends the following LIMITED WARRANTY to the owner of this appliance provided that the product has been installed and operated in accordance with the Installation Manual provided with the equipment Camus will furnish a replacement for or at Camus option repair any part that within the period specified below shall fail in normal use and service at its original installation location due to any defect in workmanship material or design The repaired or replacement part will be warranted for only the unexpired portion of the original warranty This warranty does not cover failures or malfunctions resulting from 1 Failure to properly install operate or maintain the equipment in accordance with Camus manual 2 Abuse alteration accident fire flood foundation problems and the like 3 Sediment or lime buildup freezing or other conditions causing inadequate water circulation 4 Pitting and erosion caused by high water velocity 5 Failure of connected systems devices such as pump or controller 6 Use of non factory authorized accessories or other components in conjunction with the system 7 failing to eliminate air from or replenish water in the connected water system 8 Chemical contamination of combustion air or use of chemical additives to water HE
51. um clearances to combustibles as follows SIDES REAR VENT FLOOR 0 For boiler s dimensions see Figure 1 and table 1 Model 60 300 r 29 3 4 7 Economizer Outlet Economizer Inlet omizer Inlet 5 8 23 1 8 Air Inlet Non Condensing 3 Air Inlet Condensing 40 1 8 Side View Left Front View Side View Right Side View Right Condensing Figure 1 Table 1 B Dia Venting 5 5 o 2 e uonoeuuo uonoeuuo 10 JEMAPIS MFNH100 MFNH150 MFNH200 MFNH250 MFNH300 MFNH400 MFNH500 MFNH600 3 3 3 4 4 5 5 6 amp BW o Non condensing models are shipped with standard vent opening size unless sidewall vent is specified 3 PROVIDE AIR FOR COMBUSTION AND VENTILATION Provisions for combustion and ventilation air must be in accordance with e Section 5 3 Air for combustion and Ventilation of the latest or current as amended National Fuel Gas Code ANSI 2223 1 or e Sections 7 2 7 3 or 7 4 of CAN CGA B149 Installation Codes and e Applicable provisions of the local building codes The operation of exhaust fans compressors air handling units etc can rob air from the room creating a negative pressure condition leading to reversal of the natural draft action of the venting system Under
52. utlet 14 to 266 F Real time Outlet Temperature to Boiler 10 to 130 C Temperature Boiler Inlet Real time Inlet Temperature to Boiler 14 to 266 F Temperature 10 to 130 C Real time temperature difference Boiler Delta between the outlet sensor and the inlet 99 to 252 F T sensor 72 to 140 C Monitors the amount of operational time since the unit was installed The first two digits are the number of thousands of hours and the three digit display shows the number of hundreds of hours Press 5 Y simultaneously to reset the counter Alternates between 00 and 999 Total Run Time Since Installation 25 129 6 OUTDOOR RESET OPERATION ADJUST DISPLAY From the Home display 1 Press ltem A V simultaneously to view the following parameters Display Parameter Description Parameter Range Operating mode for the boiler 1to6 NOTE A complete description of each mode can be found in section 8 4 Default 1 Modes of Operation in this manual OFF 0 20 to 9 55 Boiler post pump time after burner has min On Pump Delay Shut off in seconds Default 2 1 00 min F C Select the desired unit of measurement Default F 13 IGNITION SYSTEM SAFETY SHUT OFF DEVICE After initial fill while the main burner is firing shut off gas to the pilot and clock the time taken for the main gas valve to shut down If the safety control is functioning properly power to the gas valve w
Download Pdf Manuals
Related Search