Camus Hydronics DynaFlame DFW501 Installation, Operation And Service Manual
Camus Hydronics DynaFlame DFW501 Installation, Operation And Service Manual

Camus Hydronics DynaFlame DFW501 Installation, Operation And Service Manual

Gas fired commercial copper tube boilers
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INSTALLATION OPERATION
AND SERVICE MANUAL
GAS FIRED COMMERCIAL COPPER TUBE BOILERS
Models; DFH500, 750, 1100, 1200, 1500, 1750, 2000, 2500,
Models; DFW501, 751, 1101, 1201, 1501, 1751, 2001, 2501,
Models; DFW502, 752, 1102, 1202, 1502, 1752, 2002, 2502,
W
W
If the information in these instructions is not followed
exactly, a fire or explosion may result causing property
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,
o
Do not touch any electrical switch; do not
o
use any phone in your building,
Immediately call your gas supplier from a
o
neighbour's phone. Follow the gas
supplier's instructions,
If you cannot reach your gas supplier, call
o
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
appliance.
To the End User: This booklet contains important
information about this appliance. Retain for future
reference.
CAMUS
6226 Netherhart Road, Mississauga, Ontario, L5T 1B7
DynaFlame SERIES
NON-CONDENSING
3000, 3500, 4000, 4500, 4504,5000,5004,6004
NEAR-CONDENSING (DFX)
3001, 3501, 4001, 4501,4514, 5001,5014,6014
CONDENSING
3002, 3502, 4002, 4502 ,4524, 5002,5024,6024
A
A
R
R
N
N
I
I
N
N
G
G
:
:
HYDRONICS
LTD.
99-0050
Rev. 6.2

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Summary of Contents for Camus Hydronics DynaFlame DFW501

  • Page 1 INSTALLATION OPERATION AND SERVICE MANUAL GAS FIRED COMMERCIAL COPPER TUBE BOILERS DynaFlame SERIES NON-CONDENSING Models; DFH500, 750, 1100, 1200, 1500, 1750, 2000, 2500, 3000, 3500, 4000, 4500, 4504,5000,5004,6004 NEAR-CONDENSING (DFX) Models; DFW501, 751, 1101, 1201, 1501, 1751, 2001, 2501, 3001, 3501, 4001, 4501,4514, 5001,5014,6014 CONDENSING Models;...
  • Page 3: Table Of Contents

    Table of Contents PART 1 GENERAL INFORMATION ........................... 1 OVERVIEW ..............................1 INTRODUCTION ............................1 SPECIAL INSTRUCTIONS TO OWNER ...................... 1 CHECKING EQUIPMENT ..........................2 WHAT THE LIGHTS MEAN ON YOUR CAMUS APPLIANCE ..............2 HOW IT OPERATES (SEQUENCE OF OPERATION) ................. 2 1.5.1 IGNITION PROCESS ............................
  • Page 4 PRIMARY HEAT EXCHANGER ......................... 18 LOW WATER TEMPERATURE SYSTEMS ....................18 INSTANTANEOUS WATER HEATER (non-condensing) ................19 CONDENSER HEAT RECOVERY MODULE (CHRM) ................19 CHRM, FLOW and PRESSURE DROP ...................... 20 4.10 WATER FLOW SWITCH (shipped loose) ....................20 4.11 LOW WATER CUTOFF (If Equipped) ......................
  • Page 5 10.5 BURNER MAINTENANCE .......................... 48 10.5.1 BURNER REMOVAL AND CLEANING ...................... 48 10.5.2 BURNER CLEANING PROCEDURE ......................48 10.6 CHANGING THE HOT SURFACE IGNITER ....................48 10.6.1 RE-INSTALLING THE IGNITER ......................... 49 10.7 PRIMARY HEAT EXCHANGER INSPECTION ..................49 10.8 CONDENSING HEAT RECOVERY MODULE (CHRM) INSPECTION ............
  • Page 6: Part 1 General Information

    Figure 1: DynaFlame Non-Condensing PART 1 GENERAL INFORMATION OVERVIEW The DynaFlame is available in the following body styles • 23” x 27” footprint, DynaFlame As non-condensing 85% efficient, available in models 500, 750, 1100, 1200. As near condensing (DFX) 88% efficient DFX, available in models 501, 751, 1101, 1201.
  • Page 7: Checking Equipment

    • Light comes on only during start up IGNITION CHECKING EQUIPMENT trials (3 trials standard and single trial TRIAL for CSD1, for CSD1; to reset push Check for signs of shipping damage upon receiving and hold reset button on front of equipment.
  • Page 8: Ignition Process

    If limit, water flow and airflow lights are not lit, the Hot Surface Igniter lights the Gas/Air mixture and the ignition module will receive a 24V signal at terminal Flame Sensor serves as a means to prove Main ‘TH‘ thru a purple wire. After performing internal self Burner Flame by rectification.
  • Page 9: Codes

    regulations, the printed instructions provided with it WARNING and good industry practices. • Excessive water hardness causing a lime build- Should overheating occur or the gas supply fails to shut off, DO NOT turn off or disconnect the electrical supply to the up in the copper coils or tubes is not a fault of the pump.
  • Page 10: Boiler Room Operating Condition

    • • If provided, test for spillage at the barometric Cold fresh air intakes must be located to minimize the damper relief opening after 5 minutes of main effects on venting and subsequent condensation in the burner operation. Use a cold mirror, the flame of a flue of Category I installations.
  • Page 11: Installation Procedure Location Of Unit

    1.11 INSTALLATION PROCEDURE AND NOTE: Clearances from combustible construction are LOCATION OF UNIT noted on the appliance rating plate Install this appliance in a clean, dry location with adequate air supply and close to a good vent connection. Maintain minimum specified clearances for adequate operation.
  • Page 12 Table 4: Appliance Dimensions and Specifications Table 5: Vent Sizes for a Single Appliance...
  • Page 13: Part 2 Venting

    draft shall not be connected into any portion of PART 2 VENTING mechanical draft systems operating under positive pressure. • Horizontal runs of vent pipe shall be securely supported (approximately every 4 feet) to prevent It is extremely important to follow these venting sagging and maintain a minimum upward slope of ¼"...
  • Page 14: Venting Guidelines For Category Iand/Or Iii Venting

    2.1.2 VENTING GUIDELINES FOR CATEGORY I Exhaust Vent for Use for DynaFlame Non-condensing AND/OR III VENTING Category lll Installations Corrosion resistant stainless steel single wall. • The installed length of the positive pressure flue from AL29-4C or equivalent, single or double wall. the appliance to the point of termination, outside of the Exhaust Vent for Use for DynaFlame Condensing building, must not exceed a maximum of 100...
  • Page 15: Inlet Cap For Rooftop Termination

    2.1.7 INLET CAP FOR ROOFTOP TERMINATION 2.1.10 MASONARY CHIMNEY INSULATIONS The air inlet cap consists of two 90° elbows instal led at the Always follow local codes when venting this appliance into point of termination for the air inlet pipe. The first 90° elbow a masonry chimney.
  • Page 16: Drain Tee

    & minimize standby losses. • Multiple appliances may be vented into a conventional 2.1.13 DRAIN TEE chimney. The chimney must be lined. And a single acting barometric damper must be provided for each Figure 7: Drain “T” and Neutralizer Cartridge appliance.
  • Page 17: Air Required For Combustion And Ventilation

    • Install the proper vent pipe to the vent cap (provided by Locate appliance at least 3 feet away from any Camus Hydronics). overhang. • Follow all requirements in the General Venting sections Locate appliance at least ten feet from building air for venting flue products to the outdoors.
  • Page 18: Location Of A Thruwall Vent Termination

    2.4.2 LOCATION OF A THRUWALL VENT PART 3 GAS CONNECTION TERMINATION Verify that the appliance is supplied with the type gas • The vent cap shall terminate at least 3 feet (1M) above specified on the rating plate. Consult factory for installations any forced air inlet within 10 feet (3M) horizontally.
  • Page 19: Gas Piping

    Table 7 (Continued) DIFFERENTIAL AIR PRESSURE • Input 201-300 FT The Dynaflame operates on the principle of differential Btu/Hr NAT. L.P. pressures. Operation of the fan generates a signal which is matched on the gas side by the 1 to 1 air/gas 500,000 2”...
  • Page 20: Checking Gas Supply Pressure

    CHECKING GAS SUPPLY PRESSURE to as low as 3” without affecting the appliance operation. • Each boiler needs to be installed with a final stage regulator Turn the main power switch to “OFF” position. • that is to be located as close as possible but no more than Shut off gas supply at the manual gas cock in the gas 10 feet from the appliance.
  • Page 21: Gas Train And Controls

    • There are no serviceable parts on the ratio gas valve If the appliance will not light off and the blue ‘main actuator flame’ light is coming on but not staying on then it will be necessary to adjust the low fire as explained in the 3.10 VENTING OF GAS VALVES AND detailed start-up procedure.
  • Page 22: Part 4 Water Connection

    FREEZE PROTECTION PART 4 WATER CONNECTION • Appliance installations are not recommended outdoors • Check all applicable local heating, plumbing and in areas where danger of freezing exists unless building safety codes before proceeding. precautions are taken. Maintaining a mixture of 50% •...
  • Page 23: Inlet And Outlet Connections

    INLET AND OUTLET CONNECTIONS to high fire. This sequence minimizes initial condensation and generates stack temperatures which dry up initial • All water connections meet American National condensation in the vent. Standard Pipe Threads (NPT). Category II machines like the near condensing version •...
  • Page 24: Instantaneous Water Heater (Non-Condensing)

    Check inlet temperature after 5 minutes and make final CONDENSER HEAT RECOVERY MODULE adjustments. (CHRM) Remove handle of balancing valve to prevent The DynaFlame ALL Stainless Steel CHRM is mounted in a tempering. stainless steel inner jacket chamber at the right side of the Note: For applications where large volumes of water are appliance facing the appliance.
  • Page 25: Chrm, Flow And Pressure Drop

    When supplied with the CHRM, the DynaFlame is 95% when passing through combustible walls or roofs. Install fire efficient (category II or IV appliance) which requires the use stops where vent passes through floors, ceilings or framed of a special venting system fabricated from AL29-4C or walls.
  • Page 26: Low Water Cutoff (If Equipped)

    BOILER APPLICATION (HYDRONIC HEATING) 4.11 LOW WATER CUTOFF (If Equipped) In case of boilers (Hydronic heating boiler) application, the If this boiler is installed above radiation level, a low water return water (supply water) may be more than 115ºF cut-off device must be installed at the time of boiler (46ºC), therefore there is no need for a recirculation loop installation.
  • Page 27: Part 5 Electrical & Controls

    VARIABLE FREQUENCY DRIVE (VFD) PART 5 ELECTRICAL & This appliance uses a Variable Frequency Drive (VFD) which provides power to the combustion fan. The fan motor CONTROLS operates on 230VAC 3 phase power. This three phase voltage is generated by the VFD and supplied directly to the fan motor.
  • Page 28: High And Low Gas Pressure Switches (Optional)

    HIGH and LOW GAS PRESSURE Automatic Reset SWITCHES (Optional) High and low gas pressure switches are available as an option and are wired in series with the air flow switch. The high gas pressure switch is used to monitor the differential gas pressure between the outlet of the control valve and the fan inlet.
  • Page 29: Diagnostic Status Indication

    main power switch “OFF” and then “ON” after the control PART 6 CONTROL PANEL sensed fault has been corrected. APPLIANCE TEMPERATURE 5.6.3 DIAGNOSTIC STATUS INDICATION CONTROLLER The ignition module has an LED that indicates the status of The appliance is provided with a control panel at the front. the ignition safety circuits.
  • Page 30 • Mode 5 Operation as a control for inlet water temperature. • For hydronic heating with outdoor reset. Optional tank mounted sensor used in conjunction with Temperature control at system sensor with inlet sensor. • selectable P.I.D. or proportional modulating logic. Adjustable pump delay feature based on ∆T Intermittent pumping provided temperature difference between inlet and outlet...
  • Page 31 Figure 24: Mode 1 Piping & Electrical Layout Mode 3: Dedicated Domestic Hot Water Operation This mode is designed for domestic hot water. A DHW sensor must be inserted into a temperature immersion well within the DHW tank to function properly. The BTC 1 modulates the boiler based on the boiler inlet sensor to maintain a tank temperature at the DHW sensor.
  • Page 32 Figure 28: Mode 5 Piping & Electrical Layout If WWSD is not activated and the inlet sensor is ½ (half) of the differential below the calculated BOIL TARGET, the BTC 1 then changes the modulation output to the START modulation setting and closes the Stage contacts (pins 15 &...
  • Page 33 The auto re-set limit is set to 210° F and is fixed. In addition Mode 8: External Direct Drive Operation to the auto reset limit the factory installs a manual re-set This mode is designed only for hydronic heating operation. limit set to 250°...
  • Page 34: Variable Frequency Drive (Vfd)

    VARIABLE FREQUENCY DRIVE (VFD) The VFD has a factory set security code which has to be entered before any adjustments can be made. The VFD has 50 parameters, which can be adjusted. At present only the following are pertinent: Table 13: Variable Frequency Drive Parameters Parameter Function Settings...
  • Page 35: Dynaflame Control Panel

    DYNAFLAME CONTROL PANEL GENERAL SYMBOL DESCRIPTION Figure 32: BTC 1 Display Panel SYMBOL SYMBOL SYMBOL NAME DESCRIPTION Shown when Boiler boiler pump is Pump in operation Shown when DHW pump is Pump in operation Shown when Heat heat demand is Demand present Shown when...
  • Page 36: Mode 1 & 2: Setpoint Operation: View Display

    MODE 1 & 2: SETPOINT OPERATION: VIEW DISPLAY From the Home display; 1) Press [ITEM] to view the following parameters: Parameter Parameter Display Parameter Description Name Range To provide a target setpoint for the Boiler Target ---, 35 to 266 heating system.
  • Page 37: Mode 1 & 2: Setpoint Operation: Adjust Display

    MODE 1 & 2: SETPOINT OPERATION: ADJUST DISPLAY From the Home display; 1) Press simultaneously to view the following parameters: Parameter Parameter Display Parameter Description Name Range Operating mode for the boiler. 1 to 8 NOTE: A complete description of Mode each mode can be found in Default = 1...
  • Page 38: Mode 3: Dedicated Domestic Hot Water Operation: View Display

    MODE 3: DEDICATED DOMESTIC HOT WATER OPERATION: VIEW DISPLAY From the Home display; 1) Press [ITEM] to view the following parameters: Parameter Parameter Display Parameter Description Name Range To provide a target setpoint for the Boiler Target ---, 35 to 266 heating system.
  • Page 39: Mode 3: Dedicated Domestic Hot Water Operation: Adjust Display

    MODE 3: DEDICATED DOMESTIC HOT WATER OPERATION: ADJUST DISPLAY From the Home display; 1) Press simultaneously to view the following parameters: Parameter Display Parameter Description Parameter Range Name Operating mode for the boiler. 1 to 8 NOTE: A complete description of Mode each mode can be found in Default = 1...
  • Page 40: Mode 4 & 5: Outdoor Reset Operation: View Display

    MODE 4 & 5: OUTDOOR RESET OPERATION: VIEW DISPLAY From the Home display; 1) Press [ITEM] to view the following parameters: Parameter Parameter Display Parameter Description Name Range Outdoor -60 to 190 Real-time Outdoor Temperature Temperature (-51 to 88 To provide a target setpoint for the Boiler Target ---, 35 to 266 heating system.
  • Page 41: Mode 4 & 5: Outdoor Reset Operation: Adjust Display

    6.10 MODE 4 & 5: OUTDOOR RESET OPERATION: ADJUST DISPLAY From the Home display; 1) Press simultaneously to view the following parameters: Parameter Display Parameter Description Parameter Range Name Operating mode for the boiler. 1 to 8 NOTE: A complete description of Mode each mode can be found in Default = 1...
  • Page 42: Mode 6 & 7: External Target Temperature Input Operation: View Display

    6.11 MODE 6 & 7: EXTERNAL TARGET TEMPERATURE INPUT OPERATION: VIEW DISPLAY From the Home display; 1) Press [ITEM] to view the following parameters: Parameter Display Parameter Description Parameter Range Name To provide a target setpoint for Boiler Target ---, 35 to 266 the heating system.
  • Page 43: Mode 6 & 7: External Target Temperature Input Operation: Adjust Display

    6.12 MODE 6 & 7: EXTERNAL TARGET TEMPERATURE INPUT OPERATION: ADJUST DISPLAY From the Home display; 1) Press simultaneously to view the following parameters: Parameter Display Parameter Description Parameter Range Name Operating mode for the boiler. 1 to 8 NOTE: A complete description of Mode each mode can be found in Default = 1...
  • Page 44: Mode 8: External Drive Opeation: View Display

    6.13 MODE 8: EXTERNAL DRIVE OPEATION: VIEW DISPLAY From the Home display; 1) Press [ITEM] to view the following parameters: Parameter Display Parameter Description Parameter Range Name Boiler Outlet Real-time Outlet Temperature to 14 to 266 Temperature Boiler (-10 to 130 Boiler Inlet Real-time Inlet Temperature to 14 to 266...
  • Page 45: Mode 8: External Drive Opeation: Adjust Display

    6.14 MODE 8: EXTERNAL DRIVE OPEATION: ADJUST DISPLAY From the Home display; 1) Press simultaneously to view the following parameters: Parameter Parameter Display Parameter Description Name Range Operating mode for the boiler. 1 to 8 NOTE: A complete description of Mode each mode can be found in section Default = 1...
  • Page 46 Error Message Description Inlet Sensor Open The boiler will continue operation Test the inlet sensor and related wiring. The error message will clear once the error condition is corrected and a button is pressed. System Sensor Short Circuit If the outlet sensor is operational, the boiler will operate using the outlet sensor.
  • Page 47: Part 7 Components

    COMBUSTION AIR FAN PART 7 COMPONENTS Figure 36: Fan, Burner, Hot Surface Igniter and Flame HOT SURFACE IGNITER (GLOW BAR) Sensor Arrangement The silicon carbide igniter is inserted directly through the fan flange and held in place by two screws. A hold down bracket as well as sealing gasket above and below the igniter assures a good seal.
  • Page 48: Part 8 Field Startup Procedure

    • PART 8 FIELD STARTUP At the factory adjustments were made to achieve proper input and acceptable burner performance at full PROCEDURE input and at minimum input. • Depending on field conditions, the CO trim valve may CHECKING THE INSTALLATION require some minor adjustment at full input.
  • Page 49: Comissioning Appliance

    • Allow the water temperature to rise so that the heater cycles on the operator. • Check the temperature rise across the heat exchanger. This will be item ∆T on the SmartFlame control. For hydronic applications and for domestic hot water, a rise exceeding 35ºF is not normally recommended.
  • Page 50: Part 9 Trouble Shooting

    PART 9 TROUBLE SHOOTING Note: Before troubleshooting, familiarize yourself with the field startup procedure. STEP 1 • Turn circulating pump ON. • Turn gas supply to the appliance ON. • Turn electric power to the appliance ON. • Set target to desired temperature and set Diff to 5 •...
  • Page 51 Check current at igniter. Requires 3.0 STEP 8 Main Flame Lights Turns On Replace igniter amps for proof for reliable ignition. Replace ignition control STEP 9 Burner lights off and stays on • Adjust low fire gas pressure setting on Siemens 1 to 1 air gas actuator •...
  • Page 52: Part 10 Maintanance

    CO , CO and flue pressure cleaning. The following cleaning procedure must only be according to Camus Hydronics recommendation performed by a qualified serviceman or installer. Proper service is required to maintain safe operation. Properly CAUTION installed and adjusted units seldom need flue cleaning.
  • Page 53: Burner Maintenance

    Many codes will require the acidic condensate to be flange away from the gasket prior to removing the neutralized before it can be placed in a drain system. A fan assembly. • neutralizer to control the pH of the liquid discharged to a The burner can now be lifted vertically out of the drain system is provided with every condensing appliance.
  • Page 54: Re-Installing The Igniter

    the heat exchanger can be removed by disconnecting 10.6.1 RE-INSTALLING THE IGNITER all water piping and lifting it out from the side. • Confirm that the end of the replacement igniter has a 10.9 RE-INSTALL HEAT EXCHANGERS bead of silicone sealing the gap between the metal •...
  • Page 55: Freeze Protection For A Heating Boiler System (Optional)

    adequate freeze protection. PART 11 INSTALLATIONS • Freeze protection for the appliance using an indirect coil can be provided by using hydronic system 11.1 HEATING BOILER INSTALLATIONS antifreeze. Follow the manufacturer’s instructions. DO The appliance MUST always be installed in a NOT use undiluted or automotive type antifreeze.
  • Page 56: Summary

    pump will run for a period of time until the programmed increased by 15% and the head loss by 20%. delta T between inlet and outlet is reached, after the Turn on power to the primary system pump temperature set point is satisfied. This will remove any and the appliance secondary pump and verify residual heat from the combustion chamber before turning operation.
  • Page 57: Water Heaters

    temperature readings on the SmartFlame display should read approximately the same temperatures. CAUTION Turn the hot water heater on and allow time for the Temperature rise cannot be adjusted when the burner is temperature to stabilize. Check the temperature rise firing at less than 100% of input rate.
  • Page 58: Part 12 Exploded View

    PART 12 EXPLODED VIEW...
  • Page 61 Sheet Metal Components Name of Part Part ID Model Sizes 14-6004 Outer Jacket 14-5221 Front Panel 14-5321 14-5210 Combustion Chamber 14-5204 Door 14-5304 14-5012 Base Panel 14-5206 14-5306 Heat 14-5011 Exchanger 14-5205 Base 14-5305 Support 14-5008 Combustion Chamber 14-5202 Wrap 14-5302 14-6012 Outer Jacket...
  • Page 62 Sight Glass 14-0049 Holder Control Panel 14-5231 Outdoor Cover Door Control Panel 14-5232 Outdoor Cover Rain Canopy 14-5233 Back Cover 14-6022 Plate 14-5331 (Condensing) Secondary Heat 14-5270 Exchanger Cover Electrical 14-0263 14-6035 Vee Baffle 14-0354 Sets 14-5314 14-6031 Outer Jacket 14-5226 Top Wrap 14-5326...
  • Page 63 Miscellaneous Components Name of Part Part ID Model Sizes Flame Rod 66-0023 Hot Surface 3201R Ignitor View Port VPORTGLASS Glass 13-5052 13-5330 Fan Flange 13-5331 13-5332 13-5333 33-0020 Inlet Outlet 33-0018 Header Top 33-0019 Gasket 33-0034 White 33-0023 Ceramic 33-0024 Gasket 33-0022 (Under...
  • Page 64 66-5000 66-5001 66-5003 Air Gas Inlet Adapter 66-5004 66-5005 66-5006 GFH-500-CH GFH-750-CH GFH-1100-CH GFH-1200-CH GFH-1500-CH GFH-1750-CH GFH-2000-CH Filter Holder GFH-2500-CH GFH-3000-CH GFH-3500-CH GFH-4000-CH GFH-4500-CH GFH-5000-CH GFH-6000-CH GFIF-500-CH GFIF-750-CH GFIF-1100-CH GFIF-1200-CH GFIF-1500-CH GFIF-1750-CH GFIF-2000-CH Fan Intake Filter GFIF-2500-CH GFIF-3000-CH GFIF-3500-CH GFIF-4000-CH GFIF-4500-CH GFIF-5000-CH GFIF-6000-CH...
  • Page 65 CAM 500 CAM 1750 Secondary Heat CAM 3000 Exchanger CAM 5000 CAM 6000 AF10 Fan Intake Filter AF12 AF15 33-0013 Flange 33-0014 Gasket 33-0030 Electrical Components Name of Part Part ID Model Sizes SM005S Variable SM010S Frequency Drive (1/2HP, SM015S 1HP, 1 1/2HP, SM230S 3HP, 5HP)
  • Page 66: Part 13 Electrical Diagrams

    PART 13 ELECTRICAL DIAGRAMS...
  • Page 68 Camus DynaFlame PCB Electrical Ladder Diagram...
  • Page 69: Warranty

    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.
  • Page 70 CAMUS Hydronics is a CAMUS manufacturer CERTIFIED! Seal replacement parts for assures that most copper finned Reliability, Efficiency & serviceability are built water heaters into every heating single unit! boilers as well more as a information supplier specialty innovative HVAC products.

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