Lochinvar WH 55-399 - Manual

Lochinvar WH 55-399

Lochinvar WH 55-399 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Hazard definitions; DANGER; Contents
  • Page 3 – Installation & Operation Manual; Please read before proceeding; Installer –; Read all instructions,; User –; This manual is for use only; When servicing boiler –; Thoroughly flush the system (without boiler; Freeze protection fluids –; injury or loss of life.; WHAT TO DO IF YOU SMELL GAS; Installation and service must be
  • Page 5 – Front View; Bottom View
  • Page 6 – Ratings; only; Knight Wall Mount Boiler; Other Specifications; Figure A High Altitude Label Location
  • Page 7 – Installation must comply with:; Determine boiler location; Closet and alcove installations; Model
  • Page 8 – Figure 1-2 Alcove Installation - Minimum Required Clearances; Figure 1-1 Closet Installation - Minimum Required Clearances; WARNING; WARNING
  • Page 9 – Provide air openings to room:; Knight wall mount boiler alone in boiler room; No air ventilation openings into the boiler room are; Wall mounting location; Precautions; Vent and air piping
  • Page 10 – Areas likely to have contaminants; Table 1A Corrosive Contaminants and Sources; When using an existing vent system to
  • Page 11 – When removing a boiler from existing
  • Page 12 – Prepare boiler; Remove boiler from wood pallet; Figure 2-1 Boiler Mounted on Shipping Pallet; Gas conversions; LP Conversion Table; Table 2A LP Conversion Table
  • Page 13 – Figure 2-4 Mounting the Boiler; Figure 2-3 Installing Propane Orifice; Mounting the boiler
  • Page 14 – Direct venting options - Sidewall Vent
  • Page 15 – General; Install vent and combustion air piping; Air intake/vent connections; Combustion Air Intake Connector; Figure 3-6 Near Boiler Air Piping
  • Page 16 – General venting; Sidewall Termination – Optional; Model Kit Number; Table 3B Concentric Vent Kit Equivalent Vent Lengths; Sizing; Table 3A Air Intake/Vent Piping Sizes
  • Page 17 – Materials; Air inlet pipe materials:
  • Page 18 – Optional room air; Table 3C Optional Room Air Kit
  • Page 19 – Installing vent and air piping; Table 3D PVC/CPVC Vent Pipe, and Fittings; Approved PVC/CPVC Vent Pipe and Fittings; PVC Schedule 40
  • Page 20 – Figure 3-8 Near Boiler Polypropylene Venting; Centrotherm InnoFlue SW; Table 3F Approved PolypropyleneTerminations; Polypropylene; Centrotherm Eco Systems; Table 3E Polypropylene Vent Pipe and Fittings
  • Page 21 – Table 3G Stainless Steel Vent Pipe and Fittings; Stainless steel vent; Figure 3-9 Near Boiler Stainless Steel Venting; ProTech; FasNSeal
  • Page 22 – Vent/air termination – sidewall; inch vent; Determine location
  • Page 23 – Figure 4-2A Clearance to Gravity Air Inlets; Figure 4-3A Clearance to Forced Air Inlets; Sidewall direct venting
  • Page 24 – Figure 4-4A PVC/CPVC Sidewall Termination Assembly; Prepare wall penetrations; Figure 4-4B Polypropylene Sidewall Termination Assembly; Table 4B Sidewall Vent Centerline Dimensions
  • Page 25 – Multiple vent/air terminations; Field Supplied Option)
  • Page 26 – Sidewall termination – optional concentric vent; Description and usage; Partially assemble the concentric vent termination kit.; Sidewall termination installation; Determine the best location for the termination kit (see
  • Page 27 – Sidewall termination – optional concentric vent models; Figure 4-11 Rain Cap to Vent Pipe Alternate Assembly
  • Page 28 – Multiventing sidewall terminations; Figure 4-13 Concentric Vent and Combustion Air Termination; CAUTION
  • Page 29 – Vertical direct venting; Vent/air termination – vertical; Prepare roof penetrations
  • Page 30 – Figure 5-2 Vertical Terminations with Multiple Boilers; Vertical termination – optional; Vertical termination installation; Figure 5-4 Concentric Vertical Termination
  • Page 31 – Figure 5-6 Concentric Vent Roof Installation
  • Page 32 – Alternate vertical concentric; Vent / Air Inlet Size; Table 5A Alternate Vertical Concentric Vent / Chase Sizes; Figure 5-8 Concentric Vent Example 1; Figure 5-10 Existing Vent as a Chase; Existing vent as a chase; must be; sealed to ensure that
  • Page 33 – Hydronic piping; System water piping methods
  • Page 34 – Near boiler piping components; isolation
  • Page 35 – Near boiler piping connections; Figure 6-1A Near Boiler Piping; Figure 6-1B Near Boiler Piping w/Low Loss Header; Circulator sizing
  • Page 36 – 0°F Temperature Rise Applications
  • Page 37 – NOTICE; Variable speed pump option; Table 6B Recommended Variable Speed Pumps; Variable speed pump setup; VFD PUMP
  • Page 38 – BOILER
  • Page 43 – Figure 6-8 Single Boiler - Multiple Temperature - DHW Priority
  • Page 48 – Gas connections; Connecting gas supply piping; Figure 7-1 Gas Supply Piping
  • Page 49 – Figure 7-2 Inlet Pipe with Backup Wrench
  • Page 50 – Nominal; Natural Gas Pipe Capacity Chart; Table 7A Natural Gas Pipe Size Chart; Check inlet gas supply
  • Page 51 – Gas Pressure; DETAIL A; Figure 7-3 Inlet Gas Supply Check
  • Page 52 – Field wiring; Figure 8-2 Line Voltage Field Wiring Connections; Figure 8-1 Remove Bezel; Low voltage connections; Route all low voltage wires through the knockouts in the; Line voltage connections; Connect 120 vac power wiring to the line voltage terminal
  • Page 54 – Boiler management system; An external control may be connected to control either; Runtime contacts; By installing the system supply sensor into the supply
  • Page 55 – Figure 8-4 Low Voltage Field Wiring Connections; IM
  • Page 56 – Condensate disposal; Condensate drain; Figure 9-1 Condensate Disposal
  • Page 57 – Check/control water chemistry; Hardness less than 7 grains; Fill and test water system
  • Page 58 – Check for gas leaks; Figure 10-1 Condensate Trap
  • Page 59 – Final checks before starting the boiler
  • Page 61 – Figure 10-3 Operating Instructions - Model 399
  • Page 62 – Check flame and combustion; Table 10A Flue Products Chart
  • Page 63 – date and temperature unit.
  • Page 64 – Operating information; How the boiler operates; Assume that both Heat/Loop Demand 1 and Heat/; Temperature control
  • Page 65 – Protection features
  • Page 66 – Boiler temperature regulation
  • Page 67 – Sequence of the cascade; Start; Cascade; Low water cutoff protection; The SMART SYSTEM control module uses temperature; Outdoor reset operation, if used; Target temperature with outdoor reset
  • Page 68 – Sequence of operation; OPERATION; The control turns on power to the louver relay. The louver
  • Page 69 – Access modes; User; SETPOINTS” is; Installer; Saving parameters; (reference the Parameter Table in; To save parameters and exit programming:; If the boiler is not part of a Cascade, and both the space heating
  • Page 70 – Knight wall mount boiler control module; NAVIGATION DIAL; Figure 11-1 Control Panel
  • Page 71 – Status Display Screens; Figure 11-2 Status Display Screen
  • Page 72 – NIGHT SETBACK
  • Page 74 – Maintenance and annual startup; Table 12A Service and Maintenance Schedules; Service technician; (see the following pages for instructions); Owner maintenance; (see the Knight Wall Mount User’s Information; Maintenance
  • Page 75 – Address reported problems; Figure 12-1 Condensate Trap
  • Page 77 – Figure 12-2 Burner Assembly
  • Page 78 – Diagrams; Figure 13-1 Ladder Diagram
  • Page 79 – Figure 13-2 Wiring Diagram
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WH-I-O Rev H

Installation & Operation Manual

Models: WH 55 - 399

This manual must only be used by
a qualified heating installer / service
technician. Read all instructions,
including this manual and the Knight
Wall Mount Service Manual, before
installing. Perform steps in the order
given. Failure to comply could result
in severe personal injury, death, or
substantial property damage.

WARNING

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Summary

Page 2 - Hazard definitions; DANGER; Contents

2 Hazard definitions The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product.  DANGER  WARNING  CAUTION CAUTION NOTICE DANGER indicates an imminently hazardous s...

Page 3 - Installation & Operation Manual; Please read before proceeding; Installer –; Read all instructions,; User –; This manual is for use only; When servicing boiler –; Thoroughly flush the system (without boiler; Freeze protection fluids –; injury or loss of life.; WHAT TO DO IF YOU SMELL GAS; Installation and service must be

Installation & Operation Manual Please read before proceeding Installer – Read all instructions, including this manual and the Knight Wall Mount Service Manual, before installing. Perform steps in the order given. User – This manual is for use only by a qualified heating installer/service techni...

Page 5 - Front View; Bottom View

Installation & Operation Manual 17 11 28 22 10 Front View IMG00161 11 17 4 3 24 2 6 8 7 26 1 33 Left Side (inside unit) IMG00162 27 23 28 16 19 31 30 18 25 5 33 Right Side (inside unit) The Knight Wall Mount Boiler - How it works... (continued) IMG00117 21 13 14 20 15 29 FRONT OF UNIT 32 Bottom ...

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