LAARS 9600 CB & HWG - Service Manual - Manual (Page 8)

Page 8
LAARS Heating Systems
Figure 6. Control Components
* Specify Serial Number
# Part Description Part #
1 Combustion Coil (Primary H-X) HWG 2400-086
Combustion Coil (Primary H-X) CB 2400-284
2 Economizer Coil (Secondary H-X) 10-078
3 Upper Head 10-034
4 Inner Shroud 10-112
5 Outer Shroud 10-124
6
Ignitor (w/Gasket) after s/n 391-126
791-044
2400-286
6 Ignitor, before s/n 391-127 791-045 2400-248
7 Burner (Flameholder) (w/Gaskets) 2400-082
Burner (w/Gaskets) (250 Series) 2400-308
8 Upper Insulation (Blanket) 10-048
9 Upper Insulation (Board) 10-050
10 Lower Insulation (Board) 10-106
11 Lower Insualtion (Blanket) 10-108
12 Gasket, Igniter (1 req'd) 10-332
13 Gasket, Burner (2 req'd) 10-338
14 Gasket, Blower Inlet (1 req'd) 1-254
15 Gasket, Blower Discharge (1 req'd) 10-324
Gasket, Blower Discharge (250 series) 11-066
16 Blower Assembly (w/Gaskets) 2400-079
Blower Assembly (w/Gaskets) (250) 2400-310
17 Orifice, Air *
18 Orifice, Gas *
19 Orifice Union 1-252
20 Mixer Tube 10-252
Mixer Tube (250 Series) 11-016
21 Air Duct Hose 1-458
Air Duct Hose (250 Series) 11-038
22 Gas Valve Balance Line 2400-026
*Not available separately - purchase orifice kit for type of gas
and input desired.
# Part Description Part #
23 Jacket, Front Removeable 10-402
24 Jacket, Top 10-406*
25 Jacket, Bottom 10-010
26 Control, Boiler Integrated 2400-224
27 Transformer, 40 VA 2400-006
28 Time Delay Relay 2400-062
29 Wiring Harness 10-354
30 Stack Switch 2400-110
31 Operating Control 2400-056
32 Safety Limit 2400-055
33 Intake T.C.O. 2400-058
34 Exhaust T.C.O. 2400-058
35 T.C.O. 2400-020
36 Gas Valve 2400-014
Gas Valve (250 Series) 2400-015
37 Capacitor (Blower Start/Run) 2400-088
38
Pump, Grundfos UP 26-99-BF CB
CB-250
HWG
HWG-250 2400-386
2400-387
2400-388
2400-389
39 Valve, Pressure Relief (150 PSI) 2400-094
Valve, Pressure Relief (250 Series) 2400-095
40 Valve, Pressure Relief (125 PSI) 2400-096
Valve, Pressure Relief (250 Series) 2400-097
41 Diverting Valve (Complete) 2400-001
42
Thermostat (O-Rings
included)(160°F)
before S/N 394-068 or 795-0014
2400-129
Thermostat (O-Rings
included)(140°F)
before S/N 394-067 or 795-0013
2400-130
43 Terminal, Intake 2400-102
44 Terminal, Exhaust 2400-104
45 Flange, Wall, Vent Pipe 2400-100
46 Exhaust Assembly 2400-390
Exhaust Assembly (250 Series) 2400-402
BLOWER
ASSEMBLY
BLOCKED
FLUE
DETECTOR
IGNITER ASSY
GAS VALVE
VENT
THERMAL
CUT OUT
INTAKE
THERMAL
CUT OUT
THERMAL
CUT OUT
16
30
6
36
34
33
35
32
HIGH LIMIT
SAFETY
SWITCH BOX
OPERATING LIMIT
CIRCULATOR PUMP
31
38
CONTROL BOX
SUB-ASSY
HEATMAKER
9600