201gas burner at-a-glance – Carlin 201GAS User Manual
Page 3
Model 201GAS burner — Instruction manual
Carlin part number MN201GAS Rev. 03/14/11
– 3 –
Where appliance instructions differ from this manual, follow the appliance instructions.
201GAS burner at-a-glance
1 Air tube (flange omitted for clarity), with powder coat paint finish
2 Diffuser plate (hole or slot pattern)
3 Gas manifold (concentric cylinders swaged and welded at ends) —
Gas manifold delivers gas to gas openings on inner wall of manifold
near the diffuser plate.
4 Ignitor electrode insulator
5 Flame rod insulator
6 Ignitor electrode
7 Flame rod electrode
8 Gas orifice nipple — see pages 7 and 8 for orifice sizing requirements
9 Hinged cover plate (for access to blower wheel & electrodes)
10 Ignitor (Carlin Model 41800 solid state electronic ignitor — 9,000 volts,
continuous duty rated)
11 Primary control — Carlin Model 60200FR microprocessor-based inter-
rupted ignition flame supervisory control (flame rectification)
12 Flame current test jack
OFF
ON
201003
2
3
4
5
6
7
8
9
10
11
13
12
14
15
16
17
18
19
21
23
1
20
22
13 Burner junction box
14 Motor (with permanently-lubricated bearings and thermal overload
protection)
15 Blower housing (cast aluminum), with powder coat paint finish
16 Blower wheel
17 Air band — Only a single adjustment required for setting combustion
air; see page 7 for starting setting based on input
18 Airflow proving switch — Prevents burner from firing if air is not moving
19 Airflow proving switch sensing line (aluminum) — blower inlet
20 Airflow proving switch sensing line (aluminum) — blower outlet
21 Combination gas valve (with integral gas pressure regulation — set
for 3½” w.c. outlet pressure)
22 Gas supply entrance — ¾” NPT; 5” w.c. min; 14” w.c. max
23 Flame rod/ignition electrode assembly yoke