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Laars Pennant PNCV Series Boiler Heater Manuals
Manuals and User Guides for Laars Pennant PNCV Series Boiler Heater. We have
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Laars Pennant PNCV Series Boiler Heater manual available for free PDF download: Installation And Operation Instructions Manual
Laars Pennant PNCV Series Installation And Operation Instructions Manual (64 pages)
Hydronic Boiler and Water Heater
Brand:
Laars
| Category:
Boiler
| Size: 6.07 MB
Table of Contents
Table of Contents
2
Section 1.
4
General Information
4
Introduction
4
Model Identification
4
Section
4
Warranty
5
Dimensions
5
Locating the Appliance
5
Locating Pump-Mounted Water Heater with Respect to Storage Tank(S)
7
Locating Pump-Mounted Boiler with Respect to Return/Supply Header
7
Locating Appliance for Correct Horizontal Vent/Ducted Air Distance from Outside Wall
7
Section 2.
8
Venting and Combustion Air
8
Combustion Air
8
Combustion Air from Room
8
Intake Combustion Air
8
Venting
9
Vent Categories
9
Category I Vent
9
Common Venting Systems
9
Category III Vent
11
Locating Vent & Combustion Air Terminals
11
Side Wall Vent Terminal
11
Side Wall Combustion Air Terminal
11
Vertical Vent Terminal
12
Vertical Combustion Air Terminal
12
Common Vent Test - Boilers
12
Vent Terminals for Outdoor Units
12
Gas Supply and Piping
13
Section 4A
14
Water Connections - Boiler
14
Heating System Piping: Hot Supply Connections - Boiler
14
Cold Water Make-Up - Boiler
14
Water Flow Requirements - Boiler
14
Freeze Protection - Boiler
14
Water Connections - Water Heater
20
Section 4B
20
Water System Piping - Water Heater
20
Hot Water Supply Piping - Water Heater
20
Water Flow Requirements - Water Heater
20
Combined Water Heating (Potable) and Space Heating - Water Heater
20
Freeze Protection - Water Heater
21
B.5 Freeze Protection – Water Heater
21
Section 5.
24
Section
24
Main Power
24
Power Circuits
24
Temperature Control
24
Temperature Control Description
24
External Staging Control Wiring
26
Electrical Connections
24
Section 6.
36
Operating Instructions
36
Sequence of Operation
36
Filling the Boiler System
36
Programming the Temperature Control
37
System Piping
37
Choosing the Mode
37
Programming
38
Choosing the Mode for Your Application
40
Advanced Topics
42
Differential
42
Staging Mode
42
Boiler Minimum (BOIL MIN)
43
Boiler Maximum (BOIL MAX)
43
Boiler Target Temperature
43
Pump Operation
43
Setpoint Operation
44
Dedicated Domestic Hot Water
44
Outdoor Reset Operation
44
External Boiler Operation
46
Limit Controls
46
Advanced Programming Mode
46
Operating the Burner and Set up
46
Set up for 0 to 2500 Feet Altitude
46
High Altitude Adjustment and Set up
47
Shutting down the Pennant
47
To Restart the Pennant
47
Section 7.
48
Maintenance
48
System Maintenance
48
Appliance Maintenance and Component Description
48
Burners
48
Filter
48
Gas Valves
48
Manual Reset High Limit Control
48
Automatic Reset High Limit Control
48
Temperature Control
49
Ignition Controls
49
Ignitors
49
Ignition Sensors
49
Transformer
49
Blowers
49
Flow Switch
49
Heat Exchanger Coil
49
Section 8.
51
Trouble Shooting
51
Resolving Lockouts
51
Delayed Ignition - Possible Causes
51
Short Cycling - Boiler
51
Short Cycling - Water Heater
51
High Gas Consumption
51
Troubleshooting the Temperature Control
51
Troubleshooting Pennant Controls
51
Section 9.
54
Replacement Parts 9.1 General Information
54
Parts List
54
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