LAARS Pennant PNCV (Sizes 200, 300, 400) - Install and Operating Manual - Manual (Page 3)

LAARS Heating Systems
Page 2 Pennant 200, 300, 400 Page 3
SECTION 1. General Information
1.1 Introduction...................................................... 3
1.2 Model Identification.......................................... 4
1.3 Warranty .......................................................... 4
1.4 Dimensions...................................................... 4
1.5 Locating the Appliance .................................... 4
1.6 Locating Pump-Mounted Water Heater
with Respect to Storage Tank(s) ..................... 7
1.7 Locating Pump-Mounted Boiler with
Respect to Return/Supply Header................... 7
1.8 Locating Appliance for Correct Horizontal Vent/
Ducted Air Distance From Outside Wall .......... 7
SECTION 2. Venting and Combustion Air
2.1 Combustion Air ................................................ 7
2.1.1 Combustion Air From Room ............................ 8
2.1.2 Intake Combustion Air ..................................... 8
2.2 Venting ............................................................ 9
2.2.1 Vent Categories............................................... 9
2.2.2 Category I Vent................................................ 9
2.2.3 Common Venting Systems .............................. 9
2.2.4 Category III Vent............................................ 10
2.3 Locating Vent & Combustion Air Terminals... 10
2.3.1 Side Wall Vent Terminal ................................ 10
2.3.2 Side Wall Combustion Air Terminal............... 13
2.3.3 Vertical Vent Terminal ................................... 13
2.3.4 Vertical Combustion Air Terminal .................. 13
2.4 Common Vent Test – Boilers......................... 13
2.5 Vent Terminals for Outdoor Units .................. 14
SECTION 3. Gas Supply and Piping
3.1 Gas Supply and Piping .................................. 14
SECTION 4A.
Water Connections – Pennant Boiler
4A.1 Heating System Piping:
Hot Supply Connections – Boiler................... 15
4A.2 Cold Water Make-Up – Boiler........................ 18
4A.3 Water Flow Requirements – Boiler................ 18
4A.4 Freeze Protection – Boiler ............................. 19
SECTION 4B. Water Connections –
Pennant Water Heater
4B.1 Water System Piping – Water Heater............ 19
4B.2 Hot Water Supply Piping – Water Heater ...... 19
4B.3 Water Flow Requirements – Water Heater.... 22
4B.4 Combined Water (potable)
Heating and Space Heating........................... 22
4B.5 Freeze Protection – Water Heater................. 22
SECTION 5. Electrical Connections
5.1 Main Power.................................................... 25
5.2 Field Wiring ................................................... 25
SECTION 6. Operating Instructions
6.1 Filling the Boiler System ................................ 25
6.2 Pennant Control............................................. 26
6.3 Local / Remote Switch................................... 26
6.4 Sequence of Operation.................................. 26
6.5 Ignition Control Reaction to Air Flow/
Blocked Vent Pressure Switch ...................... 27
6.6 Programming The Temperature Control........ 27
6.6.1 Initial Controller Start-Up ............................... 27
6.6.2 Display Definitions ......................................... 27
6.6.3 Changing Control Loop 1 Parameters ........... 30
6.6.4 Enabling and Disabling Control Loop 2 ......... 30
6.6.5 Changing Control Loop 2 Parameters ........... 30
6.6.6 Changing the Default Temperature
Selection........................................................ 31
6.6.7 Changing the Display Units ........................... 31
6.7 Operating the Burner and Set Up .................. 31
6.7.1 Set Up for 0 to 2500 Feet Altitude ................. 31
6.7.2 High Altitude Adjustment and Set Up ............ 32
6.8 Shutting Down the Pennant........................... 32
6.9 To Restart the Pennant ................................. 32
SECTION 7. Maintenance
7.1 System Maintenance ..................................... 32
7.2 Appliance Maintenance and
Component Description ................................. 33
7.2.1 Burners .......................................................... 33
7.2.2 Filter............................................................... 33
7.2.3 Gas Valves .................................................... 33
7.2.4 Manual Reset High Limit Control................... 33
7.2.5 Temperature Control ..................................... 34
7.2.6 Ignition Control .............................................. 34
7.2.7 Ignitor............................................................. 34
7.2.8 Transformer ................................................... 34
7.2.9 Flow Switch.................................................... 34
7.2.10 Heat Exchanger Coil...................................... 34
SECTION 8. Trouble Shooting
8.1 Resolving Lockouts ....................................... 35
8.2 Delayed Ignition – Possible Causes .............. 35
8.3 Short Cycling – Boiler .................................... 35
8.4 Short Cycling – Water Heater........................ 35
8.5 High Gas Consumption ................................. 36
8.6 Troubleshooting Pennant Controls ................ 36
SECTION 9. Replacement Parts
9.1 General Information....................................... 36
9.2 Parts List........................................................ 36
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