Keystone KS - Page 33

60 pages

Save Page as PDF

To Next Page

To Next Page

To Previous Page

To Previous Page

Loading...

Keystone Boilers and Water Heaters

Page 33

Figure 27. Ladder Diagram.

Table of Contents

Default Chapter2
- Table of Contents2
Section 1.4
General Information4
- Introduction4
- Model Identification4
- Appliance Overview4
- Warranty8
- Unpacking8
- Dimensions8
Section 2.10
Locating the Appliance10
- Locating Appliance for Correct Vent Distance from Outside Wall or Roof Termination10
Section 3.11
Venting and Combustion Air11
- Combustion Air11
- Combustion Air from Room11
- Ducted Combustion Air11
- Venting12
- Venting Requirements Unique to Canada13
- Locating Vent & Combustion Air Terminals14
- Side Wall Vent Terminal14
- Side Wall Combustion Air Terminal14
- Vertical Vent Terminal14
- Vertical Combustion Air Terminal14
- Installations in the Commonwealth of Massachusetts14
- Common Vent Test16
Section 4.17
Gas Supply and Piping17
Section 5.18
Pump Requirements18
- Keystone Boiler Flow and Head Requirements18
- Keystone Water Heater Flow and Head Requirements18
Section 6A19
Water Connections - KS Boiler19
- KS System Piping: Hot Supply Connections19
- KS Cold Water Make-Up19
- Freeze Protection19
- KS Suggested Piping Schematics20
- Recognized Chemicals20
Section 6B27
Water Connections - KW Water Heater27
- KW Water Quality27
- Piping Requirements27
- Cold Water Make-Up28
- Freeze Protection28
- KW Suggested Piping Schematics28
Section 7.30
Electrical Connections30
- Main Power30
- Pump Connections31
- Vac Transformer with Integral Circuit Breaker31
- Hydronic Call for Heat31
- Outdoor Air Temperature Sensor31
  - Domestic Hot Water Connection31
- System Sensor31
  - (Lead Lag/Cascading Operation Only)31
- External Control Connections31
- Optional Field Connections31
- Lead Lag/ Cascading Wiring Connections31
Section 8.35
Keystone Control Setup and Operation35
- Display Navigation35
- Ignition Control- Sequence of Events35
- Modulation Control36
- Pump Control36
- Anti-Short Cycle (ASC)36
- High Limit36
  - Outlet Water Temperature36
- Inlet Water Temperature36
- Heat Exchanger Temperature Rise36
- Stack Temperature36
- Domestic Hot Water Temperature36
- Lead Lag/Cascading36
- Lead Lag Setpoint37
- Lead Lag Master/Slave Selection37
- Lead Lag Address37
- Lead Lag Hysteresis37
- Lead Lag Base Load Setting37
- Boiler Pump Interrupt37
Section 9.38
Modes of Operation38
- Hydronic Heating Demand38
- Hydronic Heating with Outdoor Reset38
- Hydronic Heating with Domestic Hot Water (DHW) Priority38
- Hydronic Heating Using External Modulation Control38
- Hydronic Heating Using Local Lead-Lag/Cascading Feature39
- Hydronic Heating Using Local Lead-Lag/Cascading Feature with Indirect Hot Water39
- Warm Weather Shutdown39
- Domestic Hot Water Demand (KW Only)39
- Domestic Hot Water Heating Using External Modulation Control40
- Domestic Hot Water Heating Using Local Lead-Lag/Cascading Feature40
Section 10.41
Operating Instructions41
- Filling the Boiler System41
- Operating the Burner and Set up41
- Burner Operation41
- Boiler Setup and Adjustment42
- Shutting down Keystone42
- To Restart Keystone42
Section 11.44
Maintenance44
- System Maintenance44
- Appliance Maintenance and Component Description44
- Burner44
- Modulating Gas Valve / Venturi44
- Appliance Control44
- Ignitor Assembly45
- Flame Sensor45
- Transformer with Integral Circuit Breaker46
- Blower46
- Heat Exchanger Coils46
Section 12.47
- Gas Pressure Switches (Optional)47
- Gas Conversion47
Trouble Shooting47
- Sequence of Operation47
- Short Cycling47
- Error Codes47
Section 13.50
Replacement Parts50
- General Information50
- Parts List50