Keystone KW 399 Manuals

Manuals and User Guides for Keystone KW 399. We have 1 Keystone KW 399 manual available for free PDF download: Assembly, Installation And Operation Instructions

Keystone KW 399 Assembly, Installation And Operation Instructions

Keystone KW 399 Assembly, Installation And Operation Instructions (60 pages)

Condensing Boiler, Water Heater

Brand: Keystone | Category: Boiler | Size: 9 MB

Table of Contents

Table of Contents
2
Section 1.

4
General Information

4
- Introduction
  4
- Model Identification
  4
- Appliance Overview
  4
- Warranty
  8
- Unpacking
  8
- Dimensions
  8
Section 2.

10
Locating the Appliance

10
- Locating Appliance for Correct Vent Distance from Outside Wall or Roof Termination
  10
Section 3.

11
Venting and Combustion Air

11
- Combustion Air
  11
- Combustion Air from Room
  11
- Ducted Combustion Air
  11
- Venting
  12
- Venting Requirements Unique to Canada
  13
- Locating Vent & Combustion Air Terminals
  14
- Side Wall Vent Terminal
  14
- Side Wall Combustion Air Terminal
  14
- Vertical Vent Terminal
  14
- Vertical Combustion Air Terminal
  14
- Installations in the Commonwealth of Massachusetts
  14
- Common Vent Test
  16
Section 4.

17
Gas Supply and Piping

17
Section 5.

18
Pump Requirements

18
- Keystone Boiler Flow and Head Requirements
  18
- Keystone Water Heater Flow and Head Requirements
  18
Section 6A

19
Water Connections - KS Boiler

19
- KS System Piping: Hot Supply Connections
  19
- KS Cold Water Make-Up
  19
- Freeze Protection
  19
- KS Suggested Piping Schematics
  20
- Recognized Chemicals
  20
Section 6B

27
Water Connections - KW Water Heater

27
- KW Water Quality
  27
- Piping Requirements
  27
- Cold Water Make-Up
  28
- Freeze Protection
  28
- KW Suggested Piping Schematics
  28
Section 7.

30
Electrical Connections

30
- Main Power
  30
- Pump Connections
  31
- Vac Transformer with Integral Circuit Breaker
  31
- Hydronic Call for Heat
  31
- Outdoor Air Temperature Sensor
  31
  - Domestic Hot Water Connection
    31
- System Sensor
  31
  - (Lead Lag/Cascading Operation Only)
    31
- External Control Connections
  31
- Optional Field Connections
  31
- Lead Lag/ Cascading Wiring Connections
  31
Section 8.

35
Keystone Control Setup and Operation

35
- Display Navigation
  35
- Ignition Control- Sequence of Events
  35
- Modulation Control
  36
- Pump Control
  36
- Anti-Short Cycle (ASC)
  36
- High Limit
  36
  - Outlet Water Temperature
    36
- Inlet Water Temperature
  36
- Heat Exchanger Temperature Rise
  36
- Stack Temperature
  36
- Domestic Hot Water Temperature
  36
- Lead Lag/Cascading
  36
- Lead Lag Setpoint
  37
- Lead Lag Master/Slave Selection
  37
- Lead Lag Address
  37
- Lead Lag Hysteresis
  37
- Lead Lag Base Load Setting
  37
- Boiler Pump Interrupt
  37
Section 9.

38
Modes of Operation

38
Section 10.

41
Operating Instructions

41
- Filling the Boiler System
  41
- Operating the Burner and Set up
  41
- Burner Operation
  41
- Boiler Setup and Adjustment
  42
- Shutting down Keystone
  42
- To Restart Keystone
  42
Section 11.

44
Maintenance

44
- System Maintenance
  44
- Appliance Maintenance and Component Description
  44
- Burner
  44
- Modulating Gas Valve / Venturi
  44
- Appliance Control
  44
- Ignitor Assembly
  45
- Flame Sensor
  45
- Transformer with Integral Circuit Breaker
  46
- Blower
  46
- Heat Exchanger Coils
  46
Section 12.

47
- Gas Pressure Switches (Optional)
  47
- Gas Conversion
  47
Trouble Shooting

47
- Sequence of Operation
  47
- Short Cycling
  47
- Error Codes
  47
Section 13.

50
Replacement Parts

50
- General Information
  50
- Parts List
  50

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