750-204
Profire D/LND
iii
3.4 — Startup Sequence 3-4
3.5 — Automatic Shutdown 3-5
3.6 — Manual Shutdown 3-5
3.7 — Safety Shutdown 3-5
3.8 — Startup and Operating 3-6
3.8.1 — Gas Burners 3-6
3.8.2 — Oil Burners 3-6
3.9 — Normal Operation 3-7
3.10 — Shutdown 3-7
CHAPTER 4 Adjustments 4-1
4.1 — Overview 4-1
4.2 — Combustion Adjustment on Gas and Oil 4-1
4.2.1 — Stack Temperature 4-1
4.2.2 — Smoke Measurement 4-2
4.2.3 — Gas Adjustments 4-2
4.2.4 — Fuel Oil Adjustments 4-2
4.3 — Electrical Interference Test 4-2
4.3.1 — Gas Fired 4-2
4.3.2 — Oil Fired 4-2
4.4 — Gas System 4-3
4.4.1 — Gas Pressure 4-3
4.4.2 — Gas Flow 4-3
4.4.3 — Gas Pilot Flame Adjustment 4-3
4.4.4 — Main Gas Pressure Regulator 4-3
4.4.5 — Low Gas Pressure Switch 4-3
4.4.6 — High Gas Pressure Switch 4-4
4.4.7 — Gas Combustion Adjustment 4-4
4.4.8 — Secondary Valve Adjustment: Gas Models D 378 & 420 4-4
4.4.9 — Secondary Valve Adjustment: Dual Manifold 4-5