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S87D1020/U

Two-rod direct spark ignition control with 4 second trial and lockout timing

Overview

Provide electronic control of direct spark ignition systems used on gas fire furnaces, boilers, and other heating appliances.

Control ignition sequence and gas control operation.
Generate high voltage potential for main burner ignition.
Lockout after one trial for ignition if main burner fails to ignite.
Reset from thermostat after lockout.
Use modules (except S87C) with any combination gas control designed for direct spark applications and rated 2.0A or less.

Dimensions (in.): 5 1/4 in. high x 4 1/16 in. wide x 1 15/16 in. long
Dimensions (mm): 133 mm high x 103 mm wide x 49 mm deep
Includes: Alarm terminal
Item Type: Product
Electrical Ratings: 24 Vac
Frequency: 60 Hz
Approvals, Canadian Standards Association: File 112491_0_000
Flame Failure Response Time (sec): 0.8 sec. @ 5.0 microamp
PrePurge: None
Ambient Temperature Range (C): -40 C to +79 C
Ambient Temperature Range (F): -40 F to +175 F
Ignition System Type: Direct Spark Ignition
Ignition Sequence: Single trial for main burner ignition (then shut down and lockout)
Typical Gas Control: VR8205, VR8305
Type of Gas: Natural or LP
Flame Sense: Two Rod
Ignition Source: Internal high voltage spark generator
Ignition Trials To Lockout: 1
Lockout Timing: 4 sec.
Ignition Trial Time (sec): 4 sec.
Maximum Valve Load @ 24 Vac (Amps): 2A
Typical Ignition Hardware: Q347A, Q354, Q366
Flame Failure Re-ignition Time (sec): 0.8 sec. maximum