The Honeywell S8910U1000 is a One or Two Rod Hot Surface Ignition Control with 4 or 7 second trial time and 4 or 7 second lockout timing. Designed to provide easy field replacement of a wide range of hot surface ignition modules manufactured by Honeywell, Robertshaw and White-Rodgers. The S8910U Module provides operating control of a direct ignition system using a 120 Vac hot surface igniter.
Features
The S8910U1000 replaces many White-Rodgers, Robertshaw and Honeywell hot surface ignition models. For 120 Vac (up to 5.0A) surface igniter (Norton 201/271 or equivalent). For local (single rod) or remote (dual rod) rectification type flame sensing. Contains easy-to-use instructions plus the accessories required to adapt the existing hot surface ignition module. Provides one or three ignition trials (four-second or seven-second trials) per call for heat; prepurge of 32 seconds or less; up to 96 seconds between purge trial times. Temperature range is -40 to +175 F (-40 to +79 C).
Product Specifications
| Description | Provide electronic control of direct hot surface ignition systems used on gas fired furnaces, boilers, and other heating appliances. |
| Ignition System Type | Direct Hot Surface Ignition |
| Ignition Sequence | The number of trials for ignition and trial time is determined by the selection tab. If a selection tab is not installed, the module will operate at four seconds trial time and one ignition trial. |
| Typical Gas Control | VR8205, VR8305 |
| Type of Gas | Natural or LP |
| Flame Sense | Single Rod or Two Rods |
| Ignition Source | Line Voltage (120 VAC) Hot Surface Element (Norton Model 201 or 270) |
| PrePurge | 32 seconds |
| Ignition Trials To Lockout | 1 or 3 |
| Lockout Timing | 4 sec. or 7 sec. |
| Ignition Trial Time (sec) | 4 sec. or 7 sec. |
| Maximum Valve Load @ 24 Vac (Amps) | 2A |
| Typical Ignition Hardware | Norton 201, Norton 271, Q354 |
| 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 |
| Electrical Ratings | 24 Vac |
| Frequency | 60 Hz |
| Maximum Ambient Temperature (F) | -40 F to +175 F |
| Maximum Ambient Temperature (C) | -40 C to +79 C |
| Approvals, Canadian Standards Association | Design Certified |
| Tradeline Value | Super Tradeline |
| Between Trial Time (sec) | (2) 96 sec.- 3 trial mode only |
| Flame Failure Response Time (sec) | 1.5 sec. |