Laars EBP0110 - Page 10

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Page 10

LAARS Heating Systems

Figure 13. 3" Vent Parts.

Dimensions shown in inches.

Table of Contents

Default Chapter2
- Table of Contents2
Section 1.3
General Information3
- Introduction3
- Codes and Standards3
Section 2.4
- Unpacking the Appliance4
- Locating the Appliance4
- Clearances4
Venting Options4
- Concentric Direct Vent5
- Concentric Vent Description5
- Laars Concentric Vent Kits5
- Horizontal Concentric Vent Location5
- Stainless Steel Single Pipe Horizontal9
- Air Source for Combustion (When Not Ducted to the Endurance)11
- Air from Inside the Building11
- All Air from Outdoors11
Section 3.12
- Connecting Special Gas Vent to the Appliance12
- Non-Concentric Combustion Air12
- Gas Piping12
- Domestic Water Piping (EBP Only)13
Gas Piping12
Section 4.14
- Anti-Freeze - Domestic Water14
Hydronic Heat Piping14
- Hydronic Piping14
- And Chilled Water Cooling System17
- Water Quality and Treatment17
- Anti-Freeze17
- Endurance Boiler Low Temperature Feature17
- Anti-Freeze Boiler Additives17
Section 5.20
Electrical Connections20
Section 6.22
Using the Boiler Control22
- Front Panel Display22
- Control Logic22
- View Menu22
- Setpoint Menu24
- SP" Supply Temperature24
- PO" Pump Operation24
- Pd" Pump Delay24
- Oar" Outdoor Reset24
- Oal" Minimum Outdoor Reset Point25
- Rc" Outdoor Reset Ratio25
- Oto" Warm Outdoor Shutdown25
- Unl" Temperature Units25
- Add" Control Address25
- Dif" Burner on Differential25
- Calculated Control Values25
- ACV Release (EBP Only)25
- Tank Charge Setting (EBP Only)25
- Burner on Point25
- Alarm Acknowledge26
- Power On/Off26
- Low Fire Hold26
- High Fire Hold26
- Pump Operation26
- Anti-Condense Valve Operation26
Section 7.27
- Field-Supplied Outdoor Reset Controls27
Boiler Start up27
- Removal of Boiler from Common Vent27
- Filling the System28
- Firing Burner28
Section 8.29
Maintenance and Component Description29
- Unit Pump29
- Gas Valve29
- Safety Limit Switch29
- Boiler Control29
- Ignition Control30
- Ignitor / Flame Sensor Assembly30
- Transformer30
- PMW Board30
- Blower30
- Transfer Tank (EBP)30
Section 9.31
- Thermostatic Union (EDP/EDN)31
- Cleaning the Boiler Coil31
Servicing31
- Sequence of Operation31
- Fault Code Identification33
- Fault Correction33
- Resolving Lockouts (LO)33
Section 1034
Section 11.35
Air Orifice and Gas Valve Adjustment35
Symptom Evaluations35
- Delayed Ignition35
- Short Cycling36
- Noisy Operation36
- Insufficient Hot Water (EBP Only)36
- High Gas Consumption37
Section 12.38
Parts Identification38

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