Laars Pennant PNCH Installation And Operation Instructions Manual page 3

Pennant
( 500-2000 )
SECTION 6.
Operating Instructions
6.1 Sequence of Operation ................................. 36
6.2 Filling the Boiler System ............................... 36
6.3 Programming the Temperature Control ......... 37
6.3.1 System Piping ............................................... 37
6.3.2 Choosing the Mode....................................... 37
6.3.3 Programming ................................................ 38
6.3.4 Choosing the Mode for your Application ....... 40
6.4 Advanced Topics .......................................... 42
6.4.1 Differential .................................................... 42
6.4.2 Staging Mode ............................................... 42
6.4.3 Boiler Minimum (BOIL MIN) ........................... 43
6.4.4 Boiler Maximum (BOIL MAX) ......................... 43
6.4.5 Boiler Target Temperature ........................... 43
6.4.6 Pump Operation ............................................ 43
6.4.7 Setpoint Operation ........................................ 44
6.4.8 Dedicated Domestic Hot Water ..................... 44
6.4.9 Outdoor Reset Operation .............................. 44
6.4.10 External Boiler Operation .............................. 46
6.4.11 Limit Controls ................................................ 46
6.4.12 Advanced Programming Mode ...................... 46
6.5 Operating the Burner and Set Up ................. 46
6.5.1 Set Up for 0 to 2500 Feet Altitude ................. 46
6.5.2 High Altitude Adjustment and Set Up ............ 47
6.6 Shutting Down the Pennant .......................... 47
6.5 To Restart the Pennant ................................ 47
SECTION 7.
Maintenance
7.1 System Maintenance ..................................... 48
7.2 Appliance Maintenance and
Component Description ................................. 48
7.2.1 Burners ......................................................... 48
7.2.2 Filter.............................................................. 48
7.2.3 Gas Valves ................................................... 48
7.2.4 Manual Reset High Limit Control ................... 48
7.2.5 Automatic Reset High Limit Control ............... 48
7.2.6 Temperature Control ..................................... 49
7.2.7 Ignition Controls ............................................ 49
7.2.8 Ignitors .......................................................... 49
7.2.9 Ignition Sensors ............................................ 49
7.2.10 Transformer .................................................. 49
7.2.11 Blowers ......................................................... 49
7.2.12 Flow Switch .................................................. 49
7.2.13 Heat Exchanger Coil ...................................... 49
SECTION 8.
Trouble Shooting
8.1 Resolving Lockouts ....................................... 51
8.2 Delayed Ignition - Possible Causes .............. 51
8.3 Short Cycling - Boiler .................................... 51
8.4 Short Cycling - Water Heater ....................... 51
8.5 High Gas Consumption .................................. 51
8.6 Troubleshooting the Temperature Control ..... 51
8.7 Troubleshooting Pennant Controls ................. 51
SECTION 9.
Replacement Parts
9.1 General Information ...................................... 54
9.2 Parts List ...................................................... 54
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