1. Manuals
  2. Brands
  3. Knight Manuals
  4. Boiler
  5. WH-056
  6. Installation & operation manual

Knight WH-056 Installation & Operation Manual

Wall hung fire tube boiler
Hide thumbs Also See for WH-056:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User's Information Manual
100000000_2000000000_Rev A
100287110_2000544742_Rev B
Installation & Operation Manual
Models: 56 - 400
This manual must only be used by
WARNING
a qualified heating installer / service
technician. Read all instructions,
including this manual and the
Knight Wall Hung Fire Tube Boiler
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.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the WH-056 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Knight WH-056

Summary of Contents for Knight WH-056

  • Page 1 WARNING a qualified heating installer / service technician. Read all instructions, including this manual and the Knight Wall Hung Fire Tube Boiler Service Manual, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage.

  • Page 2: Table Of Contents

    HAZARD DEFINITIONS ............ 2 6. HYDRONIC PIPING PLEASE READ BEFORE PROCEEDING ......3 System Water Piping Methods ......... 36 THE KNIGHT WALL HUNG FIRE TUBE BOILER -- HOW IT Low Water Cutoff Device ..........36 WORKS ................4-5 Chilled Water System ............36 RATINGS ................

  • Page 3: Please Read Before Proceeding

    Please read before proceeding Installer – Read all instructions, including WARNING DO NOT install units in rooms or WARNING this manual and the Knight Wall Hung environments that contain corrosive Fire Tube Boiler Service Manual, before contaminants (see Table 1B on page 10).

  • Page 4: The Knight Wall Hung Fire Tube Boiler -- How It

    Installation & Operation Manual The Knight Wall Hung Fire Tube Boiler - How it works... functions to meet heating demand. Optional remote connectivity 1. Stainless steel heat exchanger allows boiler settings to be monitored and modified when connected Allows system water to flow around specially designed tubes to the internet.

  • Page 5: Works

    Installation & Operation Manual The Knight Wall Hung Fire Tube Boiler - How it works... (continued) FRONT OF UNIT DIR #2000543092 00 Bottom View DIR #2000543091 00 Front View DIR #2000544036 00 Top View (inside unit) DIR #2000544032 00 DIR #2000544038 00...

  • Page 6: Ratings

    Ratings are based on a piping and pickup allowance of 1.15. 4. Knight Wall Hung Fire Tube boilers require special gas 9. The manual reset high limit provided with the Knight Wall venting. Use only the vent materials and methods specified Hung Fire Tube is listed to UL353.

  • Page 7: Closet And Alcove Installations

    56 - 086 substantial property damage. 111 - 200 4. The Knight Wall Hung Fire Tube boiler must be installed so that gas control system components are protected from dripping or spraying water or rain during operation or service.

  • Page 8: Determine Boiler Location

    Installation & Operation Manual Determine boiler location Figure 1-1 Closet Installation - Minimum Required Clearances For closet installations, CPVC, WARNING polypropylene or stainless steel LEFT vent material MUST BE used in 0” MINIMUM 6” MINIMUM a closet structure due to elevated temperatures.

  • Page 9: Provide Clearances

    No additional air opening free area is needed for the Knight Wall Hung Fire Tube boiler because Install air inlet piping for the Knight Wall Hung Fire Tube it takes its combustion air from outside (direct vent boiler as described in this manual. Do not terminate vent/air installation).

  • Page 10: Corrosive Contaminants And Sources

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

  • Page 11: Removing A Boiler From Existing Common Vent

    Determine boiler location (continued) When removing a boiler from existing common vent system: Do not install the Knight Wall Hung g. Any improper operation of the common venting system DANGER should be corrected so the installation conforms with the Fire Tube boiler into a common vent National Fuel Gas Code, ANSI Z223.1/NFPA 54 and/or...

  • Page 12: Prepare Boiler

    The UP arrow on the plastic housing is pointing up. operate the Knight Wall Hung Fire Tube boiler on propane The threaded connection for the gas piping is facing gas. On the WH400 model, a propane orifice must be towards the front of the unit.

  • Page 13: Mounting The Boiler

    3. Replace the front access cover removed in Step 1 of the "To Gain Access and Remove the Venturi" section on The Knight Wall Hung Fire Tube boiler is NOTICE page 12 and resume operation. not intended for floor installation.
  • Page 14 Installation & Operation Manual Prepare boiler WARNING The boiler is too heavy for a single person Figure 2-4 Mounting the Boiler to lift. A minimum of two people is needed for mounting the boiler onto the WALL: bracket. WOOD OR METAL STUDS ON 16”...

  • Page 15: General Venting

    Installation & Operation Manual General venting Direct venting options - Sidewall Vent DIR #2000543112 00 DIR #2000543099 00 Figure PVC/CPVC Concentric Sidewall Figure 3-1 Two-Pipe Sidewall Termination - See page Termination - See page 27 for more details 23 for more details Direct venting options - Vertical Vent DIR #2000543107 00 DIR #2000543103 00...

  • Page 16: Install Vent And Combustion Air Piping

    General venting Install vent and combustion air piping The Knight Wall Hung Fire Tube boiler The Knight Wall Hung Fire Tube boiler vent and air piping can DANGER must be vented and supplied with be installed through the roof or through a sidewall. Follow the combustion and ventilation air as described procedures in this manual for the method chosen.

  • Page 17: Requirements For Installation In Canada

    Concentric Vent) and the 2", 3" and 4" Concentric Vent Kit Part Number Diameter Supplier Material available from IPEX are both approved for use on the Knight Wall Hung Fire Tube boiler. Both kits are listed to 2 inch Lochinvar 100140485 the ULC-S636 standard for use in Canada. Sizing...

  • Page 18: Materials

    Installation & Operation Manual General venting Materials Air inlet pipe materials: The PVC, CPVC, or ABS air inlet pipe should be cleaned and The air inlet pipe(s) must be sealed. Choose acceptable sealed with the pipe manufacturer’s recommended solvents combustion air inlet pipe materials from the following list: and standard commercial pipe cement for the material used.

  • Page 19: Optional Room Air

    The acid can eat through the boiler wall, causing serious for residential applications. damage and presenting a possible threat of flue gas spillage or Commercial applications utilizing the Knight Wall Hung Fire boiler water leakage into the building. Tube boiler may be installed with a single pipe carrying the...

  • Page 20: Pvc/Cpvc

    Installation & Operation Manual General venting PVC/CPVC Work from the boiler to vent or air termination. Do not exceed the lengths given in this manual for the air or vent This product has been approved for use with the PVC/CPVC piping.

  • Page 21: Polypropylene

    Installation & Operation Manual All vent connections MUST be secured General venting NOTICE (continued) by the vent manufacturer's joint connector Polypropylene (FIG. 3-9). Insulation should used This product has been approved for use with polypropylene WARNING polypropylene venting materials. The use vent with the manufacturers listed in Table 3E.

  • Page 22: Stainless Steel Vent

    Installation & Operation Manual General venting Stainless steel vent Installation of a stainless steel vent system NOTICE should adhere to the stainless steel vent This product has been approved for use with stainless steel manufacturer’s installation instructions using the manufacturers listed in Table 3F. supplied with the vent system.

  • Page 23: Determine Location

    Installation & Operation Manual Sidewall direct venting Vent/air termination – sidewall Figure 4-1A PVC/CPVC/ Polypropylene Sidewall Termination of Air and Vent w/Field Supplied Fittings Follow instructions below when WARNING determining vent location to avoid FACTORY PROVIDED BIRD SCREEN possibility of severe personal injury, death, or substantial property damage.

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

    Installation & Operation Manual Sidewall direct venting Vent/air termination – sidewall 6. Locate terminations so they are not likely to be damaged Figure 4-1C Alternate PVC/CPVC/SS/ Polypropylene Venting by foreign objects, such as stones or balls, or subject to Arrangement (if Space Allows) w/Field Supplied Fittings buildup of leaves or sediment.

  • Page 25: Prepare Wall Penetrations

    Installation & Operation Manual Sidewall direct venting (continued) 9. Stainless steel terminations are designed to penetrate Figure 4-3B Alternate Clearance to Forced Air Inlets w/ walls with a thickness up to 9.25 inches of standard Field Supplied Fittings construction. IF LESS THAN 10’...

  • Page 26: Multiple Vent/Air Terminations

    Canadian installations, provide clearances required by CSA B149.1 Installation Code. 3. The air inlet of a Knight Wall Hung Fire Tube boiler is part of a direct vent connection. It is not classified as a forced air intake with regard to spacing from adjacent...

  • Page 27: Sidewall Termination - Optional Concentric Vent

    Installation & Operation Manual Sidewall direct venting (continued) Sidewall termination – optional concentric vent Description and usage 3. Cut one (1) hole (5 inch diameter for #100269005 Lochinvar offers optional concentric combustion air and installations, 4 inch diameter for #100140485, or 7 inch vent pipe termination kits (Factory Kit #100140485 for 2"...
  • Page 28 Installation & Operation Manual Sidewall direct venting Sidewall termination – optional concentric vent Figure 4-9 2" and 3" Concentric Vent Dimensional Figure 4-10 4" Concentric Vent Dimensional Drawing Drawing (reference Table 3B on page 17) (reference Table 3B on page 17) "B"...
  • Page 29 Installation & Operation Manual Sidewall direct venting (continued) Sidewall termination – optional concentric vent Figure 4-12 Concentric Vent Sidewall Attachment Note: 100269005 shown for illustration purposes. Multi-venting sidewall terminations DO NOT use field-supplied couplings CAUTION to extend pipes. Airflow restriction When two (2) or more direct vent appliances are vented near will occur and may cause intermittent each other, each appliance must be individually vented (see...

  • Page 30: Vertical Direct Venting

    Installation & Operation Manual Vertical direct venting Vent/air termination – vertical Figure 5-1A PVC/CPVC/Polypropylene Vertical Termination of Air and Vent Follow instructions below when WARNING determining vent location to avoid ALTERNATE INTAKE LOCATIONS: INTAKE PIPES MAY BE LOCATED possibility of severe personal injury, death ANYWHERE WITHIN 24”...

  • Page 31: Prepare Roof Penetrations

    FIG. 5-2). For Canadian installations, provide clearances required by CSA B149.1 Installation Code. 3. The air inlet of a Knight Wall Hung Fire Tube boiler is part of a direct vent connection. It is not classified as a forced air intake with regard to spacing from adjacent...

  • Page 32: Vertical Termination - Optional Concentric Vent

    Installation & Operation Manual Vertical direct venting Vertical termination – optional concentric vent Description and usage 2. Cut one (1) hole (5 inch diameter for #100269005 Lochinvar offers an optional concentric combustion air and installations, 4 inch diameter for #100140485, or 7 inch vent pipe termination kit.
  • Page 33 Installation & Operation Manual Vertical direct venting (continued) Vertical termination – optional concentric vent Do not operate the appliance with DO NOT use field-supplied couplings WARNING CAUTION the rain cap removed or recirculation to extend pipes. Airflow restriction will of combustion products may occur. occur.

  • Page 34: Alternate Vertical Concentric Venting

    Installation & Operation Manual Vertical direct venting Alternate vertical concentric venting This appliance may be installed with a concentric vent Figure 5-8 Concentric Vent Example 1 arrangement where the vent pipe is routed through an existing unused venting system; or by using the existing unused venting system as a chase for vent and combustion FLUE EXHAUST air routing.
  • Page 35 Installation & Operation Manual Vertical direct venting (continued) Existing vent as a chase Follow all existing termination and clearance requirements and allowable pipe lengths. Use only approved venting materials listed in the General Venting Section of this manual. Figure 5-10 Existing Vent as a Chase FLUE EXHAUST AIR INLET SEAL...

  • Page 36: Hydronic Piping

    A relief valve and fittings are provided in the install kit shipped with the boiler The Knight Wall Hung Fire Tube is designed to function and are to be field installed on the top outlet connection (see FIG.

  • Page 37: Near Boiler Piping Components

    AUTO AIR VENT The Knight Wall Hung Fire Tube boiler is CAUTION BUSHING capable of servicing multiple temperature loop systems. It is the responsibility of the TEE with 3/4”...

  • Page 38: Circulator Sizing

    Typically the sensor will be systems. located far enough downstream to sense system diluted Circulator sizing water temperature. 13. Indirect water heaters: The Knight Wall Hung Fire Tube boiler heat exchanger does Knight Wall Hung Fire Tube have a pressure drop, which must be considered in your system...

  • Page 39: Pressure Drop Vs. Flow

    Installation & Operation Manual Hydronic piping (continued) Figure 6-3 Pressure Drop vs. Flow Table 6A - Boiler Flow Requirements Temperature Rise and Head Loss Based on Boiler Output in Btu/hr Factory Minimum Flow Minimum Maximum Model Provided 20°F 25°F 35°F Pipe Ø...

  • Page 40: Variable Speed Pump Option

    Before operation, ensure the following: - Pump is set for an input signal of 0 - 10Vdc by the dip The Knight Wall Hung Fire Tube boiler is capable of producing switches on the pump control up to three (3) set point temperatures to meet different space - Pump is set for external signal control (if applicable) heating demands.

  • Page 41: Piping Diagrams

    Installation & Operation Manual Hydronic piping (continued) Figure 6-5 Single Boiler - Single Temperature with Zone Valves - DHW Priority ZONE #1 PRESSURE PRESSURE REDUCING VALVE GAUGE ZONE #2 ZONE #3 ZONE #4 BACKFLOW PREVENTER WATER ZONE VALVES METER (TYPICAL) MAKE UP KE UP SYSTEM SUPPLY SENSOR...
  • Page 42 Installation & Operation Manual Hydronic piping Figure 6-6 Single Boiler - Single Temperature Zoned with Circulators - DHW Priority ZONE 1 PRESSURE PRESSURE GAUGE REDUCING VALVE ZONE 2 ZONE 3 ZONE 4 BACKFLOW FLOW CHECK PREVENTER VALVE WATER (TYPICAL) METER MAKE UP WATER UP WA SYSTEM SUPPLY...
  • Page 43 Installation & Operation Manual Hydronic piping (continued) Figure 6-7 Multiple Boilers - Single Temperature Zoned with Circulators - DHW Priority Recommended Water Pipe Diameter - Cascade Model Unit Units Units Units Units Units Units Units 1" 1 1/4'' 1 1/2'' 1 1/2'' 2 1/2'' 2 1/2'' 1"...
  • Page 44 Installation & Operation Manual Hydronic piping Figure 6-8 Single Boiler - Multiple Temperatures - DHW Priority PRESSURE TEMPERATURE TEMPERATURE TEMPERATURE REDUCING VALVE LOOP #1 LOOP #2 LOOP #3 BACKFLOW PREVENTER MIXING VALVES PRESSURE (TYPICAL) GAUGE WATER METER SYSTEM SUPPLY MAKE SENSOR WATER AIR SEPARATOR...
  • Page 45 Installation & Operation Manual Hydronic piping (continued) Figure 6-9 Multiple Boilers - Multiple Temperatures - DHW Piped as a Zone Recommended Water Pipe Diameter - Cascade Model Unit Units Units Units Units Units Units Units 1" 1 1/4'' 1 1/2'' 1 1/2'' 2 1/2'' 2 1/2'' 1"...
  • Page 46 Installation & Operation Manual Hydronic piping (continued) Figure 6-11 Multiple Boilers - Single Temperature Zoned with Valves Recommended Water Pipe Diameter - Cascade Model Unit Units Units Units Units Units Units Units 1" 1 1/4'' 1 1/2'' 1 1/2'' 2 1/2'' 2 1/2'' 1"...
  • Page 47 Installation & Operation Manual Hydronic piping (continued) Figure 6-13 Single Boiler - Full Flow - Single Temperature - Zoned with Zone Valves - DHW Priority ZONE 1 PRESSURE PRESSURE REDUCING VALVE GAUGE ZONE 2 ZONE 3 ZONE 4 BACKFLOW PREVENTER WATER ZONE VALVES METER...
  • Page 48 Installation & Operation Manual Hydronic piping Figure 6-14 Single Boiler - Full Flow - Single Temperature Zoned with Valves - DHW Piped as a Zone ZONE 1 PRESSURE REDUCING VALVE PRESSURE ZONE 2 ZONE 3 ZONE 4 GAUGE BACKFLOW PREVENTER WATER ZONE VALVES METER...
  • Page 49 Installation & Operation Manual Hydronic piping (continued) Figure 6-15 Single Boiler - Full Flow - Single Temperature Zoned with Circulators - DHW Piped as a Zone ZONE 1 PRESSURE PRESSURE GAUGE REDUCING VALVE ZONE 2 ZONE 3 ZONE 4 BACKFLOW PREVENTER FLOW CHECK WATER...

  • Page 50: Gas Connections

    Failure to apply pipe sealing compound as WARNING detailed in this manual can result in severe personal injury, death, or substantial property damage. Knight Wall Hung Fire Tube boilers WARNING UNION are typically shipped ready to fire on MANUAL GAS SUPPLY natural gas.

  • Page 51: Natural Gas

    Use two wrenches when tightening gas WARNING piping at boiler (FIG. 7-2), using one wrench to prevent the boiler gas line Knight Wall Hung Fire Tube boilers WARNING connection from turning. Failure to are typically shipped ready to fire on support the boiler gas connection pipe to natural gas.

  • Page 52: Check Inlet Gas Supply

    3,720 3,460 Knight Wall Hung Fire Tube boilers are typically shipped ready to fire on natural gas. Check boiler rating WARNING plate to determine which fuel the boiler is set for. If set to natural gas, it may be converted to LP by installing an LP venturi and any additional components provided in the LP conversion kit (Models WH56 - WH286 only) or by installing a propane orifice (Model WH400 only) (see pages 12 and 13).

  • Page 53: Gas Pressure

    (dynamic) mode. If an in-line regulator is used, can cause severe personal injury, death, or it must be a minimum of 10 feet from the Knight Wall substantial property damage. Hung Fire Tube boiler. It is very important that the gas line is properly purged by the gas supplier or utility company.

  • Page 54: Field Wiring

    Installation & Operation Manual Field wiring Installation must comply with: ELECTRICAL SHOCK HAZARD – For your WARNING safety, turn off electrical power supply before making any electrical connections to avoid 1. National Electrical Code and any other national, state, possible electric shock hazard. Failure to do provincial, or local codes, or regulations.
  • Page 55 (FIG. 8-3). Variable speed system pump outdoor sensor terminals on the connection board to enable outdoor reset operation of the Knight Wall Hung If a variable speed pump is used in the primary loop, and a Fire Tube boiler.

  • Page 56: Wiring Of The Cascade

    (if the outlet sensor The Knight Wall Hung Fire Tube boiler is able to control control is currently selected). If it is desired to control the a DHW recirculation pump.
  • Page 57 Installation & Operation Manual Field wiring (continued) If outdoor air reset is desired, the outdoor air sensor should be wired to the Low Voltage Connection Board at the terminals marked for the outdoor air sensor (FIG. 8-3). If the outdoor air sensor is connected, the Leader control will calculate the water temperature set point based on the programmed reset curve parameters.
  • Page 58 Installation & Operation Manual Field wiring Figure 8-3 Low Voltage Field Wiring Connections...

  • Page 59: Condensate Disposal

    The stainless steel retaining ring must be Condensate from the Knight Wall Hung Fire Tube boiler WARNING installed between the rubber sealing gasket will be slightly acidic (typically with a pH from 3 to 5).

  • Page 60: Startup

    Installation & Operation Manual Start-up Boiler water Pre-Commissioning Cleaning Do not use petroleum based cleaning or 1. Prior to fill and start-up, flush the entire heating system. CAUTION sealing compounds in the boiler system. 2. Clean the entire heating system with an approved pre- Gaskets and seals in the system may be commissioning cleaner (comparable to Sentinel X300 or damaged.
  • Page 61 7. The freeze protection set points may be lowered when freeze protection fluid is used (see the Knight Wall Hung Purge air from water system Fire Tube Service Manual). 1. Purge air from system: 8.
  • Page 62 Check for gas leaks Final checks before starting the boiler Before starting the boiler, and during  Read the Knight Wall Hung Fire Tube Boiler Service WARNING initial operation, smell near the floor and Manual to familiarize yourself with SMART SYSTEM around the boiler for gas odorant or any control module operation.
  • Page 63 If the combustion is not within the specified range,  Propane boilers – verify conversion reference the Troubleshooting Section of the Knight Wall Hung Fire Tube Boiler Service Manual for possible causes 1. Verify propane conversion has been completed per the and corrective actions.
  • Page 64 30 seconds. If different delays are desired, the explanation of this procedure. appropriate parameters in the control must be changed. See the Knight Wall Hung Fire Tube Boiler Service Manual for a Set maximum DHW fan speed detailed explanation of this procedure.
  • Page 65 Press the [MENU] key for at least five (5) seconds. Input the Installer code as described in the Knight Wall Hung Fire Tube Boiler Service Manual. Once the control parameters have been accessed, use the NAVIGATION dial to select the Control Mode parameters.
  • Page 66 Installation & Operation Manual Start-up Figure 10-2 Operating Instructions_ Models WH56 - WH286...
  • Page 67 Installation & Operation Manual Start-up (continued) Figure 10-3 Operating Instructions_Model WH400...

  • Page 68: Operating Information

    Operating information General SMART SYSTEM Multi-temp loop control The Knight Wall Hung Fire Tube boiler is capable of producing How the boiler operates up to three (3) set point temperatures to meet different space heating demands. This device controls the temperatures of up...

  • Page 69: Temperature Control

    DHW recirculation pump control If outdoor air reset is active, and any space heating demand When a DHW recirculation loop is used, the Knight Wall has been active continuously for a set period of time Hung Fire Tube boiler can control the recirculation pump. To...
  • Page 70 Installation & Operation Manual Operating information Protection features Low voltage blocking The blower and gas valve require a minimum amount of Outlet temperature, flue temperature, voltage in order to operate properly. If an ignition attempt is temperature rise limiting made when the line voltage is temporarily low (such as during a The outlet temperature is monitored by the boiler outlet brownout), the control could enter a manual reset lockout.
  • Page 71 From the Status Screen, press the NAVIGATION dial to BE used. access the Set Points Screen. See the Knight Wall Hung Fire Tube Boiler Service Manual to Press the LEFT SELECT (LIMITS) key. change the settings. Select the manual reset high limit (MRHL) by rotating...

  • Page 72: Cascade

    The set point will be calculated based on the programmed at 2:00 a.m. If a boiler locks out or is used to heat an indirect reset curve parameters. See the Knight Wall Hung Fire Tube DHW tank, it will automatically be given the lowest priority Boiler Service Manual to program the reset curve.

  • Page 73: Sequence Of Operation

    Installation & Operation Manual Operating information (continued) Sequence of operation OPERATION DISPLAY 1. Upon a call for heat, the gas pressure switch(es) must be closed. 2. Once the gas pressure switch(es) are closed, the control turns on the appropriate pumps (system and boiler pumps for space heating, DHW pump for DHW).
  • Page 74 Installation & Operation Manual Operating information Sequence of operation (continued) OPERATION DISPLAY 7. If flame is detected, it holds the firing rate steady for a few seconds to let the flame stabilize, then it begins to modulate the firing rate based on a set point or some other command (such as a 0-10V BMS signal).

  • Page 75: Knight Wall Hung Fire Tube Boiler Control Module

    Knight Wall Hung finished programming in order to save the changes made. Fire Tube Boiler Service Manual. See the Knight Wall Hung Fire Tube Boiler Service Manual for Saving parameters (reference the Parameter Table in a detailed description of parameters and access modes.

  • Page 76: Status Display Screens

    Installation & Operation Manual Operating information Figure 11-2 Status Display Screen (BOILER (CALL FOR STATUS) HEAT) (OPERATIONAL INFORMATION) (LEFT SELECT (RIGHT SELECT KEY) KEY) (NAVIGATION DIAL) Status Display Screens NOTE: All screens show burner status, heat demands, lockout/blocking, pump status, and soft keys. Section Display Description...
  • Page 77 Installation & Operation Manual Operating information (continued) Status Display Screens (cont’d) NOTE: All screens show burner status, heat demands, lockout/blocking, pump status, and soft keys. Section Display Description a. SYSTEM TEMP b. TANK TEMP c. OUTDOOR TEMP DETAILS SCREEN 1 d.
  • Page 78 Installation & Operation Manual Operating information Status Display Screens (cont’d) NOTE: All screens show burner status, heat demands, lockout/blocking, pump status, and soft keys. Section Display Description a. CASCADE STATUS CASCADE STATUS b. CASCADE POWER (Operational c. PRESENT Information a. TRIGGER 1 - Next Space Heat (SH) night setback trigger. cont.) NIGHT SETBACK b.

  • Page 79: Maintenance Maintenance And Annual Startup

    Maintenance Maintenance and annual startup Table 12A Service and Maintenance Schedules Owner maintenance Service technician (see the Knight Wall Hung Fire Tube User’s (see the following pages for instructions) Information Manual for instructions) • Check boiler area General: • Address reported problems Daily •...

  • Page 80: Address Reported Problems

    If they cannot be removed, reinstall the air and checked to ensure that it is installed and draining properly. vent lines per this manual and the Knight Wall Hung Fire Reference Section 9 - Condensate Disposal for installation Tube Boiler Service Manual.

  • Page 81: Check Boiler Relief Valve

    Ensure that the reason for relief valve weeping is 1. Test boiler water. Reference the Knight Wall Hung the valve and not over-pressurization of the system due Fire Tube Installation and Operation Manual for to expansion tank waterlogging or undersizing.

  • Page 82: Check Burner Flame

    3. See Section 3 - Troubleshooting of the Knight Wall Hung Perform start-up and checks Fire Tube Boiler Service Manual for other procedures to deal with low flame signal.

  • Page 83: Review With Owner

    The boiler contains ceramic fiber WARNING materials. Use care when handling these 1. Review the Knight Wall Hung Fire Tube Boiler User’s materials per instructions in the Service Information Manual with the owner. Manual. Failure to comply could result in 2.

  • Page 84: Diagrams

    Installation & Operation Manual Diagrams Figure 13-1 Ladder Diagram JUNCTION BOX 120VAC NEUTRAL GROUND TERMINAL STRIP TERMINAL STRIP 120V SUPPLY "L" 120V SUPPLY "N" INTEGRATED CONTROL BLOWER ON / OFF SWITCH SYSTEM SYSTEM X1-1 X1-6 PUMP "L" PUMP "N" X1-2 3.15A SYSTEM PUMP...

  • Page 85: Wiring Diagram

    Installation & Operation Manual Diagrams (continued) Figure 13-2 Wiring Diagram LOW VOLTAGE BOX DEPICTS 120 VAC OPTIONAL ITEMS HIGH VOLTAGE BOX DEPICTS DUAL SENSOR SINGLE HOUSING CONNECTION BOARD INTEGRATED BOX DEPICTS CONTROL 24 VAC DHW RECIRC CN5-15 JUNCTION OPTIONAL PUMP RELAY COIL ITEMS ALARM X1-3...
  • Page 86 Installation & Operation Manual Notes...
  • Page 87 Installation & Operation Manual Notes...

  • Page 88: Revision Notes

    Revision Notes: Revision A (Process #3000008912_Change #500009028) initial release. Revision B (PCP #3000010423 / CN #500010150) reflects an update to the neutralizer information on page 59. MM #100287110_ DIR #2000544742_Rev B 08/17...

This manual is also suitable for:

Wh-086Wh-111Wh- 286Wh-400Wh-156Wh-200

Table of Contents