Lochinvar 100 Series Installation & Operation Manual
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Lochinvar 100 Series Installation & Operation Manual

Lochinvar 100 Series Installation & Operation Manual

With hellcat combustion technology, w/realtime o2 trim
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100343224_2000600568_Rev R
w/RealTime O2 Trim
TM
Installation & Operation Manual
Models: 1000 - 6000
Series: 100
C o m b u s t i o n
T e c h n o l o g y
This manual must only be used by
⚠
WARNING
a qualified heating installer / service
technician. Read all instructions,
including this manual and the Crest
Service Manual, before installing.
Perform steps in the order given.
Failure to comply could result in
severe personal injury, death, or
substantial property damage.
Save this manual for future reference.

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Summary of Contents for Lochinvar 100 Series

  • Page 1 100343224_2000600568_Rev R w/RealTime O2 Trim Installation & Operation Manual Models: 1000 - 6000 Series: 100 C o m b u s t i o n T e c h n o l o g y This manual must only be used by ⚠...

  • Page 2: Table Of Contents

    Contents HAZARD DEFINITIONS ..........2 Termination and Fittings ..........27 PLEASE READ BEFORE PROCEEDING ..... 3 Multiple Vent/Air Terminations ....... 27-28 THE CREST -- HOW IT WORKS ......... 4-5 Room Air ..............28 RATINGS ................6 5. HYDRONIC PIPING 1. DETERMINE BOILER LOCATION System Water Piping Methods .........

  • Page 3: Please Read Before Proceeding

    Choose accordingly. call the fire department. Freeze protection fluids – • Installation and service must be • Lochinvar recommends inhibited propylene glycol performed by a qualified installer, solutions which are specifically formulated for hydronic service agency, or the gas supplier.

  • Page 4: The Crest - How It Works

    Installation & Operation Manual The Crest - How it works... Front access panels 21. Line voltage junction box Provides access to the controls compartment. The line voltage junction box contains the connection points for Top access panel the line voltage power to the boiler (and pumps if used). Provides access to the burner compartment.

  • Page 5: Front View

    Installation & Operation Manual The Crest - How it works... (continued) DIR #2000588014_00 DIR #2000588014 00 Front View Rear View DIR #2000588014 00 DIR #2000588014 01 Right Side (inside unit) Left Side (inside unit)

  • Page 6: Ratings

    Installation & Operation Manual Ratings Crest Other Specifications AHRI Rating Vent Weight AHRI Model Number Input Gross Appliance Size w/Water Pipe Pipe Ratings Output Water Gas Inlet (lbs.) Size Size Size Water, Content Size Outlet Inlet Note: Change “N” to (Notes 4 - 6) Gallons “L”...

  • Page 7: Determine Boiler Location

    Installation & Operation Manual Determine boiler location Installation must comply with: If the optional neutralizing kit is to be used, elevate • Local, state, provincial, and national codes, laws, the boiler at least 3” above the floor. regulations, and ordinances. Check around the boiler for any potential air contaminants •...

  • Page 8: Provide Air Openings To Room

    Installation & Operation Manual Determine boiler location Flooring and foundation If you do not provide the recommended NOTICE service clearances shown, it may not be Flooring possible to service the boiler without removing it from the space. The Crest is approved for installation on combustible flooring, but must never be installed on carpeting.

  • Page 9: Using An Existing Vent System To Install A New Boiler

    Installation & Operation Manual Determine boiler location (continued) When using an existing vent system to install a new boiler: Table 1A Corrosive Contaminants and Sources Products to avoid: Failure to follow all instructions can result ⚠WARNING in flue gas spillage and carbon monoxide Spray cans containing chloro/fluorocarbons emissions, causing severe personal injury Permanent wave solutions...

  • Page 10: Remove Boiler From Wood Pallet

    Installation & Operation Manual Determine boiler location When removing a boiler from existing g. Any improper operation of the common venting system should be corrected so the installation conforms with the common vent system: National Fuel Gas Code, ANSI Z223.1/NFPA 54 and/or CAN/CSA B149.1, Natural Gas and Propane Installation Do not install the Crest into a common vent DANGER...
  • Page 11 Installation & Operation Manual Determine boiler location (continued) Combustion ventilation Figure 1-2 Boiler Mounted on Shipping Pallet requirements for appliances drawing air from the equipment room Provisions for combustion and ventilation air must be in accordance with Air for Combustion and Ventilation, of the latest edition of the National Fuel Gas Code, NFPA 54 / ANSI Z223.1, in Canada, the latest edition of CGA Standard B149 Installation Code for Gas Burning Appliances and Equipment,...
  • Page 12 Installation & Operation Manual Determine boiler location If a single combustion air opening is provided to bring combustion air in directly from the outdoors, the opening must be sized based on a minimum free area of one square inch per 3000 Btu/hr (7 cm per kW).

  • Page 13: Combustion Air Filter

    Installation & Operation Manual Determine boiler location (continued) TABLE - 1B MINIMUM RECOMMENDED COMBUSTION AIR SUPPLY TO EQUIPMENT ROOM FIG. 1-4 FIG. 1-5 FIG. 1-6 FIG. 1-7 Inside Air from *Outside Air from *Outside Air from 2 Ducts Delivered from Interior Space *Outside Air from 2 Openings Directly from 2 Ducts Delivered from...

  • Page 14: General Venting

    Installation & Operation Manual General venting Direct venting DIR #2000588237 DIR #2000588237 DIR #2000588237 Sidewall Vertical Vent, Sidewall Air Vertical Optional room air DIR #2000588237 DIR #2000588237 Vertical Sidewall...

  • Page 15: Install Vent And Combustion Air Piping

    Installation & Operation Manual General venting (continued) Install vent and combustion air piping The Crest must be vented and supplied with Sealing of Type “B” double-wall vent material or galvanized DANGER ⚠ combustion and ventilation air as described vent pipe material used for air inlet piping on a sidewall or in this section.

  • Page 16: Vent And Air Piping

    Installation & Operation Manual General venting Air intake/vent connections When a sidewall or vertical rooftop combustion air supply system is disconnected for any reason, the air inlet pipe Combustion Air Intake Connector (FIG. 2-1) - Used to must be resealed to ensure that combustion air will be free of provide combustion air directly to the unit from outdoors.
  • Page 17 Installation & Operation Manual General venting (continued) Table 2A-2 Approved Stainless Steel Terminations and Adapters - Category IV ProTech Z Flex Heat Fab Model Adapter Intake Adapter Intake Adapter Flue Intake 1000 Not Required 810003269 2SVSAFNS06 2SVEE0690 9601MAD CCK06TM 9690 / 9692 1500-2000 *See note 810003357 / 810003369...
  • Page 18 Installation & Operation Manual General venting (continued) Table 2A-2 Approved Stainless Steel Terminations and Adapters - Category IV continued DuraVent Model Adapter Flue Intake DS0MCU DS6ST90AU DSD0STAUK 1000 DS6PVCU 4" - 24" 4" - 24" DS0MCU DSE8E90U DSD0STAUK 1500-2000 DS8CRESTU 4"...

  • Page 19: Common Venting

    10" 100141563 of the same size. FCB4000 12" 100141564 Each Crest boiler must have a Lochinvar supplied flue FCB5000/6000 14" 100141565 damper installed (see Table 2D). PVC/CPVC (Models 1000 - 4000 only) A condensate drain must be installed above the flue This product has been approved for use with the PVC/CPVC damper.

  • Page 20: Removing From Existing Vent

    Installation & Operation Manual General venting (continued) Vent, air piping and termination: When determining equivalent combustion air and vent length, add 5 feet (1.5m) for each 90° elbow and 3 feet (.9 m) for each The Crest vent and air piping can be installed through the roof 45°...

  • Page 21: Air Inlet

    Installation & Operation Manual General venting Table 2B Direct Vent Minimum / Maximum Allowable Air / Vent Lengths AIR INLET VENT Input Model De-Rate per Air Intake Air Intake Air Intake Vent Vent Vent 25 feet of Vent Diameter Min. Length Max.
  • Page 22 Installation & Operation Manual General venting (continued) Table 2E PVC/CPVC Vent Pipe and Fittings Dry fit vent or air piping to ensure proper fit up before assembling any joint. The pipe should go Approved PVC/CPVC Vent Pipe and Fittings a third to two-thirds into the fitting to ensure Item Material Standard...

  • Page 23: Polypropylene

    Installation & Operation Manual General venting Use only the adapters and vent system listed ⚠WARNING Polypropylene (Models 1000 - 4000 only) in Tables 2G and 2H. DO NOT mix vent systems of different types or manufacturers. This product has been approved for use with polypropylene Failure to comply could result in severe vent with the manufacturers listed in Table 2G.

  • Page 24: Vertical Direct Venting Vent/Air Termination - Vertical

    Installation & Operation Manual Vertical direct venting Vent/air termination – vertical Follow instructions below when determining ⚠WARNING Figure 3-2 Vertical Termination of Air and Vent w/Rain vent location to avoid possibility of severe personal injury, death or substantial property damage. Do not connect any other appliance to the ⚠WARNING vent pipe or multiple boilers to a common...

  • Page 25: Multiple Vent/Air Terminations

    Installation & Operation Manual Vertical direct venting 3. The vent piping must terminate in an up-turned coupling Figure 3-4 Alternate Vertical Terminations with Multiple as shown in FIG. 3-1. The top of the coupling or the Boilers rain cap must be at least 36" (914 mm) above the air intake.

  • Page 26: Sidewall Direct Venting Vent/Air Termination - Sidewall

    Installation & Operation Manual Sidewall direct venting Vent/air termination – sidewall Sidewall vent and air inlet terminations ⚠WARNING must terminate in the same pressure zone. Follow instructions below when ⚠WARNING Do not terminate above any door or above or determining vent location to avoid below any window.
  • Page 27 Installation & Operation Manual Sidewall direct venting Figure 4-2A PVC/CPVC/ Polypropylene Sidewall Vent/air termination – sidewall Termination w/Field Supplied Fittings (Models 1000 - 4000 only) BIRD SCREEN Figure 4-1B PVC/CPVC/ Polypropylene Sidewall TO BOILER INTAKE AIR Termination of Air and Vent w/Field Supplied Fittings CONNECTION (Models 1000 - 4000 only) 36"...

  • Page 28: Prepare Wall Penetrations

    Installation & Operation Manual Sidewall direct venting (continued) Vent/air termination – sidewall Prepare wall penetrations Figure 4-3 Clearance to Doors and Windows Air pipe penetration: Cut a hole for the air pipe. Size the air pipe hole as close as desired to the air pipe outside diameter.

  • Page 29: Room Air

    Installation & Operation Manual Sidewall direct venting Figure 4-7 Room Air (Direct Exhaust Terminations) 2. Place wall penetrations to obtain minimum clearance of 36 inches (914 mm) between vent pipe and adjacent air inlet, as shown in FIG. 4-5 for U.S. installations. For ROOM AIR (DIRECT EXHAUST TERMINATIONS) Canadian installations, provide clearances required by Vent Termination...

  • Page 30: Hydronic Piping

    Allowance should be made for the expansion of the is recommended. glycol solution in the system piping. 11. Install a field supplied magnetic separator in the heating Lochinvar recommends inhibited ⚠WARNING system return line as close as practical to theboiler per the propylene glycol solutions which are manufacturer's instructions.

  • Page 31: Circulator Sizing

    Installation & Operation Manual Hydronic piping Circulator sizing The Crest heat exchanger does have a pressure drop, which must be considered in your system design. Refer to the graphs in FIG.’s 5-1A and 5-1B for pressure drop through the Crest heat exchanger. Figure 5-1A Pressure Drop vs.
  • Page 32 Installation & Operation Manual Hydronic piping (continued) Table 5A Sizing Information for Temperature Rise Applications_20°F, 40°F and 60°F TEMPERATURE RISE APPLICATIONS 20°F 40°F 60°F BOILER Model CONNECTION SIZE FT/HD FT/HD FT/HD FCB1000 3" FCB1500 4" 12.3 FCB2000 4" 14.5 [FCB1000 - 2000 models are based on 96% AHRI Efficiency] FCB2500 4"...

  • Page 33: Near Boiler Piping Components

    NOTICE 9. System temperature sensor: to show system piping concept only, the Lochinvar supplies a system temperature sensor. installer is responsible for all equipment and The sensor is to be installed in the heating loop detailing required by local codes.
  • Page 34 Installation & Operation Manual Hydronic piping (continued) Figure 5-2 Single Boiler - Recommended - Primary / Secondary Piping with a Hot Water Generator MAY SUBTITUTE LOW LOSS HEADER FROM SYSTEM SYSTEM MAKE UP WATER NOT TO EXCEED 4 PIPE DIA OR MAX OF 12”...
  • Page 35 Installation & Operation Manual Hydronic piping Number of Units Model Recommended Common Header Pipe Sizes in Inches FCB1000 FCB1500 FCB2000 FCB2500 FCB3000 FCB4000 FCB5000 FCB6000 [Based on a boiler ΔT of 30°F.] A system supply sensor (factory supplied) MUST BE installed for proper boiler operation. NOTICE Figure 5-3 Multiple Boilers - Common Header - Recommended - Primary / Secondary Flow TEMP...
  • Page 36 Installation & Operation Manual Hydronic piping (continued) Figure 5-4 Single Boiler - Alternate - Fixed or Variable Flow Primary System Piping FROM SYSTEM SYSTEM MAKE UP WATER BOILER DIFFERENTIAL FLOW SWITCH TEMPERATURE & PRESSURE RELIEF PRESSURE AIR SEPARATOR VALVE OPTIONAL PRESSURE GAUGE BYPASS VALVE WATER METER...
  • Page 37 Installation & Operation Manual Hydronic piping Number of Units Model Recommended Common Header Pipe Sizes in Inches FCB1000 FCB1500 FCB2000 FCB2500 FCB3000 FCB4000 FCB5001 FCB6000 [Based on a boiler ΔT of 30°F.] Figure 5-5 Multiple Boilers - Alternate - Common Header - Fixed or Variable Flow Primary FROM SYSTEM SYSTEM...

  • Page 38: Gas Connections

    Installation & Operation Manual Gas connections Figure 6-1 Gas Supply Piping Gas supply UNION (FACTORY SUPPLIED) Ensure that the high gas pressure regulator NOTICE is at least 10 feet (3 m) upstream of the appliance. GAS SUPPLY It is recommended to install one (1) gas regulator for each Crest boiler.

  • Page 39: Natural Gas

    Installation & Operation Manual Gas connections 3. Install 100% lockup gas pressure regulator in supply line for Use two wrenches when tightening gas ⚠WARNING each boiler if inlet pressure exceeds 14 inches w.c. (3.5 kPa). piping at boiler (FIG. 6-2), using one wrench to prevent the boiler gas line Gas valves used on Crest boilers are rated for at least 27 connection from turning.

  • Page 40: Check Inlet Gas Supply

    Installation & Operation Manual Gas connections (continued) Table 6B Natural Gas Pipe Size Chart TABLE - 6B Capacity of Schedule 40 Metallic Pipe in Cubic Feet of Natural Gas Per Hour (based on .60 specific gravity, 0.30" w.c. pressure drop) Length of Pipe in Straight Feet Pipe Size...

  • Page 41: Gas Valve Replacement

    Installation & Operation Manual Gas connections Gas valve replacement Do not check for gas leaks with an open ⚠WARNING flame -- use the bubble test. Failure to The gas valve MUST NOT be replaced use the bubble test or check for gas leaks ⚠WARNING with a conventional gas valve under can cause severe personal injury, death, or...

  • Page 42: Field Wiring

    Installation & Operation Manual Line voltage connections - Models 2500 Field wiring - 3000 208 VAC 3PH / 4000 - 6000 480 ELECTRICAL SHOCK HAZARD – For your VAC 3PH ⚠WARNING safety, turn off electrical power supply before making any electrical connections to avoid 1.
  • Page 43 Installation & Operation Manual Field wiring Enable 2. A #100170544 sensor MUST be used with any indirect tank. Failure to use the correct sensor will result in the 1. Connect the room thermostat or boiler enable contacts tank temperature being either above or below the set point. (isolated contact only) to terminals 13 and 14, as shown Connect the correct sensor to the Tank Sensor terminals in FIG.

  • Page 44: Boiler Management System

    Installation & Operation Manual Field wiring (continued) Auxiliary switch 1 & 2 Wiring of the cascade When wiring the boilers for Cascade operation, select one boiler Additional field supplied limit controls may be connected to as the Leader boiler. The remaining boilers will be designated the auxiliary switch inputs.
  • Page 45 Installation & Operation Manual Field wiring Figure 7-3 Low Voltage Field Wiring Connections OUTDOOR Outdoor Outdoor Modbus SENSOR Sensor Sensor /BACnet SHIELD STORAGE Tank Tank TANK SENSOR TO NEXT TANK Sensor Sensor BOILER Sys Supply Sys Supply Cascade SUPPLY SYSTEM SUPPLY SENSOR Sensor Sensor SHIELD...

  • Page 46: Condensate Disposal Condensate Drain

    Installation & Operation Manual Condensate disposal Condensate drain 1. The Crest is a high efficiency appliance that produces 9. Do not expose condensate line to freezing temperatures. condensate. Use materials approved by the authority 2. The rear of the boiler has a 1 inch (25.4 mm) stainless steel NOTICE having jurisdiction.

  • Page 47: Startup

    0.3 ppm. Make-Up Water it will be necessary to install a magnetic separator and treat the Lochinvar recommends the following for properly filling your boiler water with an approved multi-metal boiler with the appropriate water chemistry for closed loop corrosion inhibitor.

  • Page 48: Additional Considerations

    • Pump the manufacturer. • Air valve Freeze protection fluids • O-ring gaskets Precautions include installing a water meter to evaluate the Lochinvar recommends inhibited WARNING ⚠ fresh water volume entering the system (should be no more propylene glycol solutions which are than 5% system volume).

  • Page 49: Check For Gas Leaks

    Installation & Operation Manual Start-up Purge air from water system Propane boilers only – Your propane ⚠WARNING supplier mixes an odorant with the propane 1. Purge air from system: to make its presence detectable. In some Connect a hose to the purge valve (see purge/drain instances, the odorant can fade, and the valve in the piping diagrams on pages 33 through 36).

  • Page 50: Final Checks Before Starting The Boiler

    Installation & Operation Manual Start-up (continued) Final checks before starting the boiler 7. Once set, press NEXT (FIG. 9-3). 8. The unit will move to low fire and will self-tune to correct q Read the Crest Service Manual to familiarize yourself combustions based off the O2 sensor.

  • Page 51: If Boiler Does Not Start Correctly

    Installation & Operation Manual Start-up Table 9B Manifold Pressure Chart Manifold Pressure w.c. *Additional Manifold Pressure w.c. (Sea level to 500ft) (for every 1000ft above 500ft) Units Natural / Propane Natural Propane FCB 1000 0.066 FCB 1500 0.066 FCB 2000 0.066 FCB 2500 0.066...

  • Page 52: For Your Safety Read Before Operating

    Installation & Operation Manual Start-up (continued) Figure 9-5 Operating Instructions FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury, or loss of life. A.
  • Page 53 Installation & Operation Manual Start-up Check flame combustion Table 9C Flue Products Chart (continued) 5. Navigate to the Setup Screen from the Home Natural Gas Screen by pressing the SETUP button along Units *Co2 (Flue Port) *O 2 (Sensor) the left side of the screen. Enter the installer password.

  • Page 54: Set Space Heating Operation

    Installation & Operation Manual Start-up (continued) Set space heating operation Set space heating set point temperature During normal operation, set point temperatures can be Verify space heat circulator mode adjusted from the Home Screen by pressing the DETAILS The system pump output can be programmed to never run button on the bottom of the screen (see FIG.

  • Page 55: Set Clock

    In Zone Mode it is assumed that the indirect DHW tank is piped as a zone on the primary loop. When a DHW demand begins, Press the SETTINGS button under the Lochinvar logo (see the control will turn on the DHW pump output, and raise the FIG.

  • Page 56: Configuration Of The Cascade

    Installation & Operation Manual Start-up (continued) Configuration of the cascade NOTE: The APPLY CHANGES button must be pressed to complete programming of the controls. Note: For more detailed instructions, please refer to the Crest Failure to press the APPLY CHANGES button will Service Manual.

  • Page 57: Operating Information

    Installation & Operation Manual Operating information HW priority General The SMART TOUCH control allows the connection of a HW thermostat or tank sensor to the low voltage connection board. How the boiler operates When a tank sensor is connected, the HW thermostat input is ignored.

  • Page 58: Protection Features

    Installation & Operation Manual Operating information (continued) Gradient limiting Ramp Delay If during operation of the boiler the outlet water temperature For systems with lower flow, the SMART TOUCH can limit is rising too quickly, the control will reduce the firing rate to the firing rate (when enabled) when a space heating call for its lowest setting.

  • Page 59: Error Logging

    Installation & Operation Manual Operating information This feature of the boiler control module Boiler temperature regulation ⚠WARNING does not eliminate the possibility of freezing. Operating temperature (target) The installation must still use recognized design, installation and maintenance practice The SMART TOUCH control module senses water temperature to prevent freeze potential for the boiler and and regulates boiler firing and firing rate to achieve a target system.

  • Page 60: Cascade

    Installation & Operation Manual Operating information (continued) Outdoor reset operation, if used Lead/Lag Target temperature with outdoor reset The Lead/Lag method is chosen when the application requires firing as few boilers at a time as possible. This method will not This feature improves the system’s efficiency as the outdoor bring on another boiler until the current number of boilers temperature warms up.

  • Page 61: Sequence Of Operation

    Installation & Operation Manual Operating information Sequence of operation Upon a call for heat, the louver relay output will be closed initiating a block that will clear when the louver proving switch closes. Upon resolution of all blockings, the comfort control will send the demand to the boiler control. The boiler control initiates a pre-purge and confirms that all safeties are in their correct state.
  • Page 62 (i.e. Off, screen. There are five (5) sections located below the Stand-by, Blocking, and Lockout) including: current Lochinvar icon: Home, View, Setup, Information driving demand, the next Hot Water Setback scheduled, (About), and Settings. The Home Section is the screen the reason for any blocking or lockout, and a power button.

  • Page 63: Maintenance Maintenance And Annual Startup

    Installation & Operation Manual Maintenance Maintenance and annual startup Table 11A Service and Maintenance Schedules Owner maintenance Service technician (see the Crest User’s Information Manual for (see the following pages for instructions) instructions) General: • Address reported problems, if any •...

  • Page 64: Inspect Boiler Interior

    Installation & Operation Manual Maintenance (continued) Follow the service and maintenance procedures given throughout this manual and in component literature ⚠WARNING shipped with the boiler. Failure to perform the service and maintenance could result in damage to the boiler or system. Failure to follow the directions in this manual and component literature could result in severe personal injury, death, or substantial property damage.
  • Page 65 Installation & Operation Manual Maintenance Check expansion tank Following installation, the valve lever must ⚠WARNING be operated AT LEAST ONCE A YEAR to 1. Expansion tanks provide space for water to move in ensure that waterways are clear. and out as the heating system water expands due to Certain naturally occurring mineral deposits may adhere to temperature increase or contracts as the water cools.

  • Page 66: Check Burner Flame

    NOTE: Be sure to pay close compressed air to clean the burner if cleaning is performed attention to the Lochinvar logo. GAS/AIR MANIFOLD COVER Align the logo with the Lochinvar inside a building. logo on the gas/air manifold to GAS/AIR MANIFOLD GASKET ensure proper assembly.

  • Page 67: Review With Owner

    Installation & Operation Manual Maintenance Review with owner 15. Replace the burner mounting plate assembly and gas/air manifold assembly. Ensure gaskets are in good condition 1. Review the Crest User’s Information Manual with the and positioned properly. Restore boiler to operation. owner.

  • Page 68: Diagrams

    Installation & Operation Manual Diagrams Figure 12-1 Ladder Diagram_1000 - 2000 Models HIGH VOLTAGE WARNING BOX DEPICTS 24 V OPTIONAL ITEMS LOW VOLTAGE DISCONNECT POWER BOX DEPICTS DUAL SENSOR BEFORE SERVICING SINGLE HOUSING NOTES: Chassis Panel Ground 1. All wiring must be installed in accordance with: local, state, provincial and national code requirements per either N.E.C. in USA or C.S.A. in Canada. Ground 2.
  • Page 69 Installation & Operation Manual Diagrams Figure 12-3 Ladder Diagram_2500 - 3000 Models HIGH VOLTAGE WARNING BOX DEPICTS 24 V OPTIONAL ITEMS LOW VOLTAGE DISCONNECT POWER BOX DEPICTS DUAL SENSOR BEFORE SERVICING SINGLE HOUSING Panel NOTES: Chassis Ground Ground 1. All wiring must be installed in accordance with: local, state, provincial and national code requirements per either N.E.C. in USA or C.S.A. in Canada. 2.
  • Page 70 Installation & Operation Manual Diagrams (continued) Figure 12-5 Ladder Diagram_4000 - 6000 Models HIGH VOLTAGE WARNING BOX DEPICTS 24 V OPTIONAL ITEMS LOW VOLTAGE DISCONNECT POWER BOX DEPICTS DUAL SENSOR BEFORE SERVICING SINGLE HOUSING NOTES: Chassis Panel Ground Ground 1. All wiring must be installed in accordance with: local, state, provincial and national code requirements per either N.E.C. in USA or C.S.A. in Canada. 2.
  • Page 71 NOTES...

  • Page 72: Revision Notes

    Revision Notes: Revision A (PCP #3000047204 / CN #500034581) initial release. Revision B (PCP #3000047882 / CN #500035724) reflects a change to the Z-Flex adapters on General Venting Table 2A-2 on page 17. Revision C (PCP #3000048546 / CN #500035819) reflects an update to Figure 7-1 Boiler Line Voltage Field Wiring Connections on page 41.

This manual is also suitable for:

Crest fcb1000nCrest fcb1000lCrest fcb1500nCrest fcb1500lCrest fcb2000nCrest fcb2000l ... Show all

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