Camus Hydronics Valiant-FT II Series Installation And Service Manual
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Camus Hydronics Valiant-FT II Series Installation And Service Manual

Gas fired commercial condensing stainless steel boilers
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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 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.
A Qualified installer, service agency or the gas supplier must perform installation and service.
Do not store or use gasoline or other flammable vapours and liquids in the vicinity of this or any other appliance.
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.
Valiant-FT® Series II
Gas Fired Commercial Condensing Stainless Steel Boilers
H
WARNING
WHAT TO DO IF YOU SMELL GAS
WARNING
Installation and Service Manual
Hydronic Heating Models VA400 thru VA850
99-0419 Rev.00

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Summary of Contents for Camus Hydronics Valiant-FT II Series

  • Page 1 Valiant-FT® Series II Installation and Service Manual Gas Fired Commercial Condensing Stainless Steel Boilers Hydronic Heating Models VA400 thru VA850 WARNING If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.
  • Page 2 99-0419 Rev.00...

  • Page 3: Table Of Contents

    Table of Contents PART 1 GENERAL INFORMATION ..............................1 INTRODUCTION ..................................1 CODES ..................................... 1 PART 2 INSTALLATION ..................................1 UNIT LOCATION ..................................1 2.1.1 Overall Dimensions ................................2 2.1.2 Service Clearances* ................................. 2 COMBUSTION AIR AND VENTILATION ..........................2 2.2.1 Venting Materials ................................
  • Page 4 CONVERSION PROCEDURE FOR NG TO LP GAS ......................16 HIGH ALTITUDE ..................................17 PART 5 CONTROLS ..................................18 VALIANT FT CONTROL ................................. 18 5.1.1 Levels of Access ..................................18 5.1.2 Control Board Connections ..............................18 HMI TOUCHSCREEN INTERFACE ............................18 PART 6 CONTROL SETTINGS ...............................

  • Page 5: Part 1 General Information

    10:1. This results in the appliance automatically modulating SPECIAL INSTRUCTIONS to provide heat outputs from 100% down to approximately OWNER: 10% of rated input. This manual contains information for the installation, CODES operation, and servicing of the appliance. It is strongly recommended that this manual be reviewed completely The equipment shall be installed in accordance with those before proceeding with an installation.

  • Page 6: Overall Dimensions

    2.1.1 Overall Dimensions appliance more accessible for easier maintenance. This provides larger points of access for greater ease of Table 1: Floor Mounted Valiant-FT Overall Dimensions serviceability. The appliance should be located close to a floor drain in an Model Width (in) Depth (in) Height (in)
  • Page 7 Figure 3: Indoors Combustion Air and vertically Figure 5: Indoors Combustion Air and horizontally exhausted to the outdoors exhausted to the outdoors Figure 4: Combustion Air and Exhaust gasses both Figure 6: Combustion Air and Exhaust gasses both vertically vented to the outdoors horizontally vented to the outdoors...

  • Page 8: Venting Materials

    2.2.1 Venting Materials Table 3: Venting Materials for Valiant-FT Series II Material Maximum Flue Temp (°F) AL29-4C 300+, limited only by rating of seals 316L Stainless Steel 300+, limited only by rating of seals *Use PVC, CPVC (only ULC-S636 approved plastic material must be used in Canada) or AL29-4C gas vent pipes listed for use with Category IV appliances.

  • Page 9: Horizontally Direct Vented

    Figure 9: Vertical Vent Clearance above Vent Vent outlet must be at least 1 foot away and 1 foot Penetration above from the air inlet opening which must terminate in a double elbow facing downwards. Position the air inlet and vent terminations so they are not likely to be damaged by foreign objects, or exposed to build-up of debris.
  • Page 10 Figure 12: Horizontal Vent Exhaust and Air Intake Clearance Valiant FT can vent up to 100 equivalent feet. Elbows can range from 3 to 5 feet in equivalent length depending on the centerline radius. Figure 13: Horizontal Vent Exhaust and Air Intake Configurations and Clearance Vent outlet shall terminate at least 12”...
  • Page 11 Figure 14: Horizontal Vent Exhaust and Air Intake Clearance etc. Some discolouration to exterior building surfaces is to be expected. Adjacent brick or masonry surfaces should be protected with a rust resistant sheet metal plate. 13. Perform regularly scheduled inspections to ensure vent terminal is unobstructed.

  • Page 12: Sidewall Clearance Specifications

    2.2.4 Sidewall Clearance Specifications Direct Vent Terminal Clearances Canadian Installations US Installations 12” (30 cm) 12” (30 cm) Clearance above grade, veranda, porch, deck, or balcony 12” (15 cm) for appliances 9” (23 cm) for appliances <50,000 <100,000 Btuh (30kW) Btuh (15kW) Clearance to window or door that may be opened 36”...

  • Page 13: Removal Of Existing Appliance (If Applicable)

    across the piping, and at the available pressure. Gas pipe 2.2.5 Removal of existing appliance (if applicable) size may be larger, but not smaller, than the appliance connection. When an existing appliance is removed from a common venting system, the common venting system is likely to be The gas pipe line can be sized using the Spitzglass formula;...

  • Page 14: Gas Regulators And Lockup Pressure

    Table 6: Gas Supply Pressure Range The gas pipe connection to the Valiant FT can be found at the rear of the unit (Figure 15). Pressure Range Propane Natural Gas* Whenever tightening or loosening the gas piping at the Minimum (inches WC) Maximum (inches WC) boiler, it is essential to use two wrenches to avoid putting * 7”...

  • Page 15: Connecting To The Valiant Ft

    Inlet water temperatures must not drop below 40°F to are available as a factory supplied option on all models. prevent freezing. Low water cut-offs should be tested every six months. 2.4.2 Connecting to the Valiant FT 2.4.4 High Limit Figure 16: Valiant-FT Piping Connection The high limit on the Valiant FT Series II is incorporated with the outlet sensor.

  • Page 16: Flow And Pressure Drop At A Given ∆T

    single-pass, counter-flow, fire-tube design. Models 400 rating. Line voltage wire external to the appliance must be MBH throughout 850 MBH are designed to withstand 160 enclosed in approved conduit or approved metal clad cable. PSIG of operating pressure. To avoid serious damage, DO NOT ENERGIZE the appliance until the system is full of water.

  • Page 17: Gas Pressure Switches (Optional)

    10% to 100%. These utilize a 1:1 ratio dual seat negative depression of the reset button if it is not closed prior to pressure gas valve. The gas valve adjusts fuel supply burner start or during burner operation. according to negative pressure generated by the combustion fan.

  • Page 18: Burner

    BURNER The ignition module relies on the flame sensor to provide a flame rectification signal. Oxide deposits, improper Figure 24: Valiant FT Series II Burner placement or damaged ceramic insulator will result in insufficient signal leading to ignition module lock out. For proper operation minimum 0.8 VDC must be fed back to the module.

  • Page 19: Heat Transfer Process

    to keep the Gas valve in the open position. The readings do not match table 11 below, the fan is kept at ignition speed until the flame is combustion values will need to be changed. stabilized. As demand increases the modulation Re-enter the RPM corresponding with the low fire signal causes the Gas valve to draw more gas.

  • Page 20: Natural Gas Combustion Values

    Next, on the test screen menu, press the UP or Table 12: Valiant FT LP Gas Combustion Values DOWN buttons to select “High Power” and wait for HIGH FIRE the boiler to ramp up to High Fire. Target CO (ppm) Once the boiler ramps up to High Fire, the Model CO2 % Range...

  • Page 21: High Altitude

    Remove the bracket holding the airbox. Replace this Venturi with the LP Venturi. Follow steps 5 to 1 in reverse order to reattach all the components. Adjust high fire and low fire CO2 values using the high fire and low fire trims on the gas valve and match with table 12.

  • Page 22: Part 5 Controls

    PART 5 CONTROLS The HMI Touchscreen Interface is a 7 inch graphical touch screen. This display provides the ability to change setpoints VALIANT FT CONTROL over various modes of operation (Central Heating, DHW, Outdoor Curve Reset, etc.). The modes themselves can The Valiant FT Series 2 utilizes the SOLA control.

  • Page 23: Part 6 Control Settings

    until the fault is corrected and will automatically return to Domestic Hot Water (ARW) normal operating state. Lead Lag Burner State Current Status of Valiant FT Series II Firing Rate Target Firing Rate SERVICE PARTS Inlet Inlet Water Temperature [°F] Outlet Outlet Water Temperature [°F] The Valiant FT Series II Control is not field repairable.
  • Page 24 Hydronic Heating Modulation: Boiler Outlet, Boiler Fixed Setpoint Operation (Standalone) Description Electrical Connection(s) Programming Instructions • Place toggle switch to LOCAL Boiler operates at a fixed CH setpoint Press • Modulates on boiler Press [CH – Central Heat Configuration] outlet sensor Press the to arrive at Setpoint (default)
  • Page 25 Modulation: System Sensor, Outdoor Reset Operation (Standalone) NOTE: Outdoor Reset Module required (PN: W8735S1000) Description Electrical Connection(s) Programming Instructions • Connect Remote Operator Boiler operates with Connect System sensor to System/Outdoor contacts variable setpoint Connect Outdoor Sensor to J3 ECOM connector determined by Place toggle switch in LOCAL outdoor reset curve...
  • Page 26 4-20mA/ 0-10Vdc Setpoint Operation (Standalone) Description Electrical Connection(s) Programming Instructions • Place toggle switch to LOCAL Boiler operates with variable setpoint Press determined by 4- Press [CH – Central Heat Configuration] 20mA incoming Press the to arrive at Setpoint signal Select Setpoint Source = S2 (J8-6) 4-20mA •...
  • Page 27 DHW (Domestic Hot Water) Modulation: Boiler Inlet or DHW Sensor, Fixed Setpoint Operation (Standalone) Description Electrical Connection(s) Programming Instructions • Place toggle switch to LOCAL Boiler operates at a fixed DHW setpoint Press • Modulates on boiler Inlet Sensor operation DHW sensor (default) Press [DHW –...
  • Page 28 VA(H,W) Lead lag Operation Master Boiler Description Electrical Connection(s) Programming Instructions • Place toggle switch to LOCAL Master boiler lead lag setup Press • Modulates on system Select System Identification & Access sensor connected to Verify MB1 Modbus address = 1 master boiler Verify MB2 Modbus address = 1 •...
  • Page 29 Slave Boiler Description Electrical Connection(s) Programming Instructions • Place toggle switch to LOCAL Slave boiler lead lag setup Press • System temperature Select System Identification & Access sensor must be Verify Modbus address. To be in sequential order connected to boiler •...
  • Page 30 Outdoor Sensor Connected to Slave Boiler 2 Description Electrical Connection(s) Programming Instructions • Slave Boiler Slave boiler outdoor sensor configuration Press • Outdoor temperature Press Sensor Configuration sensor must be Select S5 (J8-11) Sensor connected to boiler Select Connector type = 10K single non-safety •...
  • Page 31 Rotation Schedule Adjustment Description Electrical Connection(s) Programming Instructions • Standard rotation Press schedule is based on Press [Lead Lag Master Configuration] equalizing run time on Press [Advanced Settings >] a 1-hour schedule Press the to arrive at Algorithms • To vary the rotation to Select Lead selection method: Sequence order a fixed schedule Select Lag selection method: Sequence order...
  • Page 32 Boiler Pump Operation (ALL Boilers) Description Electrical Connection(s) Programming Instructions • Select Pump Configuration To activate the boiler pump on a Press [Advanced Options >>] Press the to arrive at Central Heat Pump or DHW Pump call for heat. This function also On Options: Local burner demand...

  • Page 33: System Identification & Access

    Lead boiler fires up to base load rate and both boilers modulate in unison up to 100% or as low as 4% based on heating demand 10. Lag boiler shuts down first when: Lead lag temp > (Lead lag setpoint + Drop stage Error threshold) 11.

  • Page 34: Statistics Configuration

    Use for Lead Lag Master demands Auto Refer to above (Default) Pump Control Refer to above Pump Output Pump A Specify pump contact Boiler Over run time 1..5 min Post pump time (Default: 1 min) Pump Use for local (Stand- alone) demands Use for Lead Lag Master demands...

  • Page 35: Lead Lag Setup

    Lead Lag Setup Slave is in time delay to verify that it is Recovering operational before considered to be available All SOLA controllers are programmed with a default adress of 1. The address of the slave controllers in the Wiring the Lead Lag Setup system must have a unique address (1..8).

  • Page 36: Part 7 Error Table

    This flow of electrons is the flame current. The flame current Figure 39: Lockout Condition (lockout screen) is measured by the control as ionization in uA. When the flame current is above 1.5uA, the Valiant FT will register a flame. When the flame current is below 1,0uA, the flame will be registered as extinguished.

  • Page 37: Part 8 Maintenance

    CLEANING BOILER HEAT EXCHANGER PART 8 MAINTENANCE Shut down boiler: CAUTION a.) Turn the main power off to the boiler. It is important that all gas appliances be serviced by b.) Shut off gas supply at the main manual valve. qualified technicians.

  • Page 38: Igniter And Flame Sensor Electrodes

    The condensate will typically have a pH ranging from 4.0 to CHECK IGNITER GROUND WIRING 5.0 as it is discharged from the condensate drain of the appliance. Inspect boiler ground wire from the heat exchanger flange to ground on boiler. Check boiler The condensate collection box inside each Valiant FT ground wire continuity.

  • Page 39: Combustion And Ventilation Air

    Location - Heating boilers, hot water supply boilers or water into operation if the inner distribution screen has been heaters must be located in a room having a temperature of dented during the service operation, call the factory for at least 40ºF (5ºC). recommendations.

  • Page 40: Part 9 Piping Diagrams

    PART 9 PIPING DIAGRAMS Figure 40: Single Boiler Hydronic Heating Zoned Piping...
  • Page 41 Figure 41: Multiple Boiler Hydronic Heating Zoned Piping...
  • Page 42 Figure 42: Single Boiler with DHW Tank Hydronic Heating Zoned Piping...

  • Page 43: Part 10 Parts List

    PART 10 PARTS LIST...
  • Page 55 Valiant-FT Series II Models Item # Figure Part Description Part Number 829-01779-100 Burner 829-01780-100 829-01780-000 Burner Sight Glass 851-06444-000 019-02752-000 Heat Exchanger Top Assembly 019-02769-000 Sight Glass Gasket 032-24592-000 059-00147-000 Blower Connection Plate 059-00147-002 1/2" Ball Valve 223-01366-000 059-00147-000 Gas Train Assembly 257-01123-000 257-01124-000 651-00114-000...
  • Page 56 1" to 1/2" Black Pipe Bushing 057-30409-000 1/2" Black Pipe Street Elbow 859-01553-000 1/2" Black Pipe Elbow 859-01554-000 1/2" x 7" Black Pipe Nipple 857-17213-000 1/2" x 20" Black Pipe Nipple 857-17215-000 059-00146-000 Combustion Chamber Cover Plate 059-00148-000 059-00150-000 853-02553-000 Combustion Chamber Seal 853-02151-000 872-01838-000...
  • Page 57 3/4" 90 deg elbow flange kit 285-03731-000 3/4" Nipple Close 857-17021-000 1" x 3/4" reducing coupling 221-00427-000 1" x 7" Black Nipple 857-17035-000 3/4"x3/4"x1/4" NPT Black Tee 214-00271-000 1" x 6" Black Nipple 857-17034-000 Low Profile Electrical Box Cover 019-02635-000 Low Profile Electrical back panel 136-04361-000 Relay 115 VAC Omron...
  • Page 58 Side Latch With Pin 043-00063-000 VA2 Gas Train Support 530-01097-000 Corner Reinforcement 140-00880-000 Air Box Gasket 853-02554-000 Low Air Switch Bracket 008-06854-000 7/8 Hole Bushing 847-09272-000 008-06855-000 Wiring Support Bracket 008-06860-000 426-04007-000 Filter Air Box 426-04007-100 Air box Connector 426-04007-040 Electrical Panel Support Bracket 008-06859-000 Door Catch 10lbs...
  • Page 59 446-01882-001 Push-on Cap 9-10MM 158-00008-000 Flue Temp. Sensor 817-11087-000 UV Sensor Plate 059-12416-000 Air Box Support 530-01106-000 Optional & Propane Parts Valiant-FT Series II Models Item # Figure Part Description Part Number 048-00655-000 Venturi (Propane) 813-00004-344 UV Sensor 817-00654 UV Sensor Holder Block 001-01957-000 1/2”...

  • Page 60: Part 11 Tubing Diagram

    PART 11 TUBING DIAGRAM...

  • Page 61: Part 12 Wiring Diagram

    PART 12 WIRING DIAGRAM...
  • Page 64 CAMUS Hydronics is a manufacturer of replacement parts for most copper finned and stainless steel water heaters and heating boilers as well as a supplier of specialty HVAC products. Our service line is open 24 hours, 7 days a week. The CAMUS CERTIFIED seal assures you that Reliability, Efficiency &...

This manual is also suitable for:

Va400Va850

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