99-0063 rev. 02 installation operation and service manual micoflame grande gas fired commercial copper tube boilers for hydronic heating models; mfh2000, 2500, 3000, 3500, 4000 hot water supply models; mfw2000, 2500, 3000, 3500, 4000 warning: if the information in these instructions is not followed ...
Table of contents 1 general instructions .......................................................................................................... 1 2. Location ...................................................................................................................................... 1 3...
1 camus hydronics proudly introduces micoflame grande commercial water heaters / hydronic boilers. The micoflame grande boiler is a fan assisted boiler based on a push through design which offers several venting options. These gas- burning appliances are thoughtfully designed for easy operation and ...
2 figure 1 – appliance dimensions table 2 – appliance dimensions b' dia. Venting e' dia. Model ‘i’ ‘k’ ‘l’ ‘w' ‘s’ w a te r c o n n e c tio n g a s c o n n e c tio n o u td o o r c o n d e n s in g o r s id e w a ll s ta n d a rd a ir in le t (o p tio n a l) mf2000 6” 68” 34 ⅝ ” 54 ⅝ ” 33 3/8” 3” 1 ...
3 4. Electrical wiring all electrical wiring to the appliance 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...
4 6. Venting appliances 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 current national fuel gas code, ansi z223.1, or section 7, venting of equipment and air supply for appliance...
5 3. Remove burner from appliance and vacuum the burner, and the heat exchanger. If heat exchanger is excessively dirty it may be necessary to remove it from the appliance and wash it down with proper detergent cleaner. Be aware that the combustion chamber base is insulated with ½” thick ceramic bla...
6 6.2 standard venting the micoflame grande is a category i appliance and is approved for venting into a common chimney provided it is in good condition and meeting the local codes. Typically, the chimney will be ‘b’ vent or brick with clay or metal liner. If the chimney height is much greater than ...
7 6.6 condenser heat recovery module (chrm) the micoflame grande all stainless steel chrm is mounted in a stainless steel inner jacket chamber at the back of the appliance. The chrm is constructed from all stainless steel headers and special multiple horizontal stainless tubes. This chrm is designed...
8 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 p...
9 7 water piping check all applicable local heating, plumbing and building safety codes before proceeding. The circulating pump must be installed at the appliance inlet. Always pump toward the heat exchanger. Minimum operating system pressure when hot must not drop below 30 psig. Improper piping of ...
10 low water cut-off (if equipped) if this boiler is installed above radiation level, 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 fac...
11 when an appliance is connected to heating coils located in air handling units (where they may be exposed to refrigerated air circulation), the appliance piping system shall be equipped with a flow control valve or other automatic means to prevent gravity circulation of chilled water through the a...
12 figure 7 – typical heating system figure 8 – typical low water temperature system.
13 figure 9 – typical instantaneous water system figure 10 – typical water heating system.
14 figure 11 – typical water heating system.
15 8 instrumentation and controls the appliance is equipped with safety controls as well as operational controls. 8.1 safety controls high temperature limit the high temperature limit is located behind the appliance’s access doors. A remote capillary bulb runs to a thermo-well on the outlet side of ...
16 settings allow the control to return to normal operation on its own. 2. Mode 1 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...
17 5. Mode 4 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 2...
18 figure 13 – components and auxiliary control connections 8.3 control devices ignition module there is one ignition module provided per burner. The ignition module is mounted on a rail just behind the outer jacket front access door. The ignition module provide ignition sequence, flame monitoring a...
19 9 operation the micoflame grande appliance should be installed and started up by factory qualified personnel. 9.1 start-up gas appliances are rated based on sea level operation with no adjustment required at elevations up to 2000 ft. At elevations above 2000 ft the input rating must be reduced by...
20 pressure switch settings the switches have been preset at the factory as per table 11. The following description is for the benefit of the start-up technician should minor adjustment be required. Differential air pressure switches are provided to shut down the gas supply line under block flue con...
21 table 8 – firing modes model 2000 (two burners) burner 1 burner 2 stage 1 low fire low fire two stages stage 2 high fire high fire stage 1 low fire low fire stage 2 high fire low fire three stages stage 3 high fire high fire stage 1 low fire low fire stage 2 low fire low fire stage 3 high fire lo...
22 9.3 operation squence power on demand for heat btc staging control 30 seconds count down before energizing the first stage. Next the stage switch closes. Pre-purge fan manager energizes starting 15 seconds of pre-purge cycle. Ignition trial on proof of air flow, the air proving switch closes and ...
23 10 pilot and main burner flames 10.1. Main burner the main burner, figure 14 should display the following characteristics; • acceptable co and co 2 levels for complete combustion. • light off smoothly. • reasonably quiet while running. • stable flame with minimum of lifting. • blue flame with nat...
24 • remove burner being careful to not damage the igniter or ground electrodes. 3. Thoroughly clean burner using water or air. 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 ch...
25 11 operation and service operation: before operating the appliance, the entire system must be filled with water, purged of air and checked for leaks. Do not use stop leak or other appliance compounds. The gas piping must also be leak tested. Any safety devices including low water cutoff, flow swi...
26 13 trouble shooting guide symptom solution 1. Power light is not lit when switch is flipped to “on” • check wiring to switch. • activate push button for latch relay if provided. • check circuit breaker. • check fuse. 2. Water flow light remains off. • verify that pump is running. • check wiring t...
27 14 typical gas train figure 16 – gas train 15 electrical diagrams each micoflame grande appliance will be provided with its own wiring diagram to guarantee that any options ordered with the unit are properly detailed. The following diagrams 99-5082-1 and 99-5082 are provided as typical samples on...
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30 16 exploded view micoflame grande.
31 17 exploded view micoflame grande outdoor and/or condensing.
32 18 micoflame grande replacement parts list 2000 2500 3000 3500 4000 1 combustion chamber end panel - left 14-4200 14-4200 14-4200 14-4200 14-4200 2 combustion chamber end panel - right 14-4201 14-4201 14-4201 14-4201 14-4201 3 combustion chamber rear panel 14-4202-20 14-4202-30 14-4202-30 14-4202...
33 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 hydronics is a manufacturer of replacement parts for most copper finned the camus certified! Seal assures you that reliability, efficiency & serviceability are built water heaters and heating boilers as well as a into every single unit! For more information supplier of specialty hvac products....
