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You are here:Home > Heating System Replacement Parts > Lochinvar Heating System Parts > Copper Fin CB > CB 495-745 After #G04H00166418 > CB 745
Lochinvar RLY2402 Module, Ignition, ALL

Lochinvar RLY2402 , 100167711 Module, Ignition, ALL

Lochinvar
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Product Code: RLY2402
Lochinvar RLY2402 Module, Ignition, ALL

Used in the following models: 501, 991, 1801, 651, 1261, 2071, 751, 1441, IB 1500, IW 1500, Intelli-Fin IB 1500-2000, Intelli-Fin IW 1500-2000, IB 1700, IW 1700, IB 2000, IW 2000, CB 497, CW 497, CB 647, CW 647, CB 747, CW 747, CB 987, CW 987, CB 1257, CW 1257, CB 1437, CW 1437, CB 1797, CW 1797, CB 2067, CW 2067, CH 401, 401, CH 501, 501, CH 651, 651, CH 751, 751, CH 991, 991, CH 1261, 1261, CH 1441, 1441, CH 1801, 1801, CH 2071, 2071, PB 501, PF 501, PB 751, PF 751, PB 1001, PF 1001, PB 1300, PF 1300, PB 1500, PF 1500, PB 1700, PF 1700, PB 2000, PF 2000, CB 986, CW 986, CB 1256, CW 1256, CB 1436, CW 1436, CB 1796, CW 1796, CB 2066, CW 2066, CB 495, CW 495, CB 645, CW 645, CB 745, CW 745, Lochinvar Parts, Pool Heater Parts

The Locinvar ignition device not only conserves energy but protects life and property. When additional heat is needed, the combustion air blower starts a prepurge cycle for about 15 seconds. Upon validation of air flow, the air proving switch makes the connection to allow the igniter to begin it's ignition cycle. To assure safe operation, the gas valve cannot open until the igniter is proven. The igniter keeps building and personal safe because this electronic device will close the main gas valve within 0.8 seconds whenever the flame is interrupted. Main burners automatically light when the igniter is energized and prepurge is complet. This control performs its own safety check and opens the main valve only after the igniter is proven to be capable of igniting the gas.
INPUT VOLTAGESControl

Line (L1 & L2 to Ignitor)

Thermostat
Pressure Switch (Airflow)

18 to 30 VAC, 400mA max(not including gas valve)

120 VAC standard, 24 VAC and 240 VACmodels available

18 to 30 VAC 30mA max (not incl. Gas Valve)18 to 30 VAC 25mA max

OUTPUT RATINGS
Combustion Blower
Hot Surface Ignitor
Gas Valve Rating
Lockout & Pre-Purge Indicators

15A max (0.6 pf) or 1/2 HP @ 120 or 240 VAC5.0A max @ 24, 120 or 240 VAC
5.0A max (0.6 pf) @ 24 VAC
1.0A max @ 24 VAC

OPERATING TEMPERATURE

-40oF to +165oF (-40oC to +73oC)

FLAME SENSITIVITY

1.0 micro Amp minimum

FLAME FAILURERESPONSE TIME

0.8 seconds max

TYPES OF GAS

Natural, LP, or manufactured

ENCLOSURE

Gray (Noryl N-190)

MOISTURE RESISTANCE

Conformal coated to operate non-condensingto 95% R.H. Care must be taken to protectmodule from direct exposure to water

SIZE WITH ENCLOSURE

5.687 x 5.312 x 1.812

WEIGHT

8oz including options and cover


Ignition and Control Timings

Prepurge : 15 Seconds
Hot Surface Ignitor Heat-up Time : 25 - 35 seconds
Main Burner Flame Establishing Period : 4 Seconds
Failure Response Time : 0.8 Seconds at less than 1 μA flame currentFlame Current : 2 μA or greater
Post-purge : 30 seconds

Pump Delay Timing : 30 Seconds after burner shutdown (on boilers, when equipped with an optional, factory supplied pump delay orintermittent pump control system only).

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