Camus Hydronics MFW400 Manuel de service

99-0053 Rev. 04 INSTALLATION OPERATION AND SERVICE MANUAL MICOFLAME SERIES 2 GAS FIRED COMMERCIAL COPPER TUBE BOILERS FOR HYDRONIC HEATING Mod

6 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 appl

7 8. While the boiler is operating, check for flue gas leaks and proper vent operation. Seal any flue gas leaks using appropriate gasket or se

8 7.2 SIDEWALL VENTING When fitted with the factory supplied vent terminal, the MicoFlame series 2 can vent up to 60 equivalent feet. Elbows can r

9 7.4 FILTER KIT A louvered rear panel is the standard air inlet configuration for the MicoFlame series 2. A filter kit is availa

10 RELIEF VALVE (shipped loose) This appliance is supplied with a relief valve sized in accordance with ASME Boiler and Pressure Vessel Code, Section

11 9 FREEZE PROTECTION • Appliance installations are not recommended outdoors in areas where danger of freezing exists unless precautions are taken

12 11 PIPING OF BOILER TO SYSTEM (FIG.5) Check all applicable local heating, plumbing and building safety codes before proceeding. Be sure to provid

13 If the boiler is installed above radiation level, it must be provided with a low water cutoff device at the time of boiler installation. (Availabl

14 Figure 6 – Display, Appliance Temperature Controller and Indicating LED The Boiler Temperature Controller (BTC) for this appliance is a Camus 78

15 KEY KEY DESCRIPTION Item The abbreviated name of the selected item will be displayed in the item field of the display. To view the next item, p

16 13.2.1 MODE 1 & 2: SETPOINT OPERATION Mode 1 Intended for hydronic heating. The set-point for inlet water control is pre-set to 180°F and t

17 13.2.2 MODE 1 & 2: SETPOINT OPERATION: VIEW DISPLAY From the Home display; 1) Press [ITEM] to view the following parameters: Display Parame

18 13.2.3 MODE 1 & 2: SETPOINT OPERATION: ADJUST DISPLAY From the Home display; 1) Press simultaneously to view the following parameters:

19 13.2.4 MODE 3: DHW SETPOINT OPERATION Mode 3 is intended for domestic water heating. The set-point for inlet water control is pre-set to 140°F a

20 13.2.6 MODE 3: DHW SETPOINT OPERATION: ADJUST DISPLAY From the Home display; 1) Press simultaneously to view the following parameters: Displa

21 13.2.7 MODE 4 & 5: OUTDOOR RESET OPERATION Mode 4 is intended for hydronic heating. The set-point for inlet water control is pre-set to 180°F

22 13.2.8 MODE 4 & 5: OUTDOOR RESET OPERATION: VIEW DISPLAY From the Home display; 1) Press [ITEM] to view the following parameters: Display Pa

23 13.2.9 MODE 4 & 5: OUTDOOR RESET OPERATION: ADJUST DISPLAY From the Home display; 1) Press simultaneously to view the following parameter

24 Pump Delay Boiler post pump time after burner has shut off, in seconds. OFF, 0:20 to 9:55 min, On Default = 1:00 min Warm Weather Shutdown Temp

25 13.2.11 MODE 7: EXTERNAL TARGET TEMPERATURE USING SYSTEM TEMPERATURE SENSOR The external input signal can be provided from a BMS, EMS or a Tekma

Table of Contents INTRODUCTION ...

26 13.2.12 MODE 6 & 7: EXTERNAL TARGET TEMPERATURE INPUT OPERATION: VIEW DISPLAY From the Home display; 1) Press [ITEM] to view the following pa

27 13.2.13 MODE 6 & 7: EXTERNAL TARGET TEMPERATURE INPUT OPERATION: ADJUST DISPLAY From the Home display; 1) Press simultaneously to view th

28 Display Parameter Name Parameter Description Parameter Range Minimum Modulation Selects the minimum modulation rate 0% to 50% Default = 0% Max

29 4-20 mA Boiler Target 0-10V (dc)* Boiler Target 0 - - - (OFF) 0 - - - (OFF) 2 - - - (OFF) 1 50oF (10oC) 4 50oF (10oC) 2 68oF (20oC) 6 70oF

30 • Adjustment procedure. a. Fully open bypass and outlet valves. b. With boiler running, read inlet temperature after 15 minutes. c. If the i

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32 18 PILOT AND MAIN BURNER FLAMES To maintain safe operation and the greatest efficiency of the boiler, check the main burner and p

33 1. Shut off power and close main manual gas valve. • Allow burner to cool before removal. 2. Remove access cover screws. • Disconnect pilot

34 18.2 PILOT BURNER Turn the pilot firing valve to off position and allow the boiler to try for ignition. Observe the spark making sure that it is

35 19 OPERATION AND SERVICE OPERATION: Before operating the boiler, the entire system must be filled with water, purged of air and checked for

20 LIGHTING INSTRUCTIONS ...

36 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 of

37 22 TYPICAL GAS TRAIN Figure 11: Gas Train 23 ELECTRICAL DIAGRAMS Each MicoFlame series 2 boiler will be provided with its own wiring diagram

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40 Tekmar BTC-4PA Electrical Connections Tekmar BTC-4PA Terminal # Label Description 1 CD Unused 2 HtD Call for heat signal 3 Pr D Proo

41 24 EXPLODED VIEW

42 MicoFlame II Gas Train

43 MicoFlame II 800 – 1000 Control Box

44 25 MICO FLAME REPLACEMENT PARTS LIST MicoFlame II Model Size Item # Part Description 800 1000 1200 1400 1600 1800 2000 1 Combustio

45 MicoFlame II Model Size Item # Part Description 800 1000 1200 1400 1600 1800 2000 19 Combustion Chamber Support - Centre N/A 14-4

1 INTRODUCTION Camus Hydronics proudly introduces its MicoFlame series 2 of commercial water heaters / hydronic boilers. These gas-burn

46 MicoFlame II Model Size Item # Part Description 800 1000 1200 1400 1600 1800 2000 39 Return Header 15-5005 40 Header Bar 15-4157

47 MicoFlame II Model Size Item # Part Description 800 1000 1200 1400 1600 1800 2000 59 Ignitor Module (Continuous) S8610M3017 Ignitor

48 WARRANTY GENERAL Camus Hydronics Limited (“Camus”), extends the following LIMITED WARRANTY to the owner of this appliance, provided that t

CAMUS Hydronics is a manufacturer of replacement parts for most copper finned The CAMUS CERTIFIED! Seal assures you that Reliability, Effic

2 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 b

3 Table 2: Various Connection Sizes B' Dia. Venting* E' Dia. Model W' Water Connection Gas Connection Outdoor Condensing or

4 5 STAGING OPERATION Staging of the MicoFlame series 2 is dependent on the number of burners supplied. Models 800 and 1000 are supplied with a si

5 6 GAS SUPPLY AND PIPING This boiler is intended to operate at inlet gas pressures not exceeding ½ PSI (14“ W.C.). If higher press