Mestek SEPARATED COMBUSTION GAS FIRED PROPELLER UNIT HEATER Installation Instructions & Parts List page 19

Figure 12 - Burner Components/Unit Controls
Intermittent Pilot Ignition
BURNER DRAWER COMMON PARTS:
1. MAIN BURNERS
2. BURNER MANIFOLD
3. AIR SHUTTERS
4. BURNER SPRINGS
5. MAIN BURNER ORIFICE
6. TRANSFORMER
7. PILOT TUBING
CONTROLS (REFER TO UNIT WIRING DIAGRAM):
8A. MAIN GAS VALVE (HONEYWELL)
8B. MAIN GAS VALVE (WHITE-RODGERS)
9. HONEYWELL IGNITOR
10. HONEYWELL PILOT BURNER
12. FAN TIME DELAY SWITCH
13. HI LIMIT (LOCATED ON
REAR HEADER PLATE OF HEAT EXCHANGER)
1
3
5
4
6
1
2
3
4
5
6
7
8
1
2
9
13
13
9
10
10
C
7
7
19
8B
8A
12
12