Specifications

SmartValve® System Controls
70-6910 123
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SV9520 SmartValve® System
The SV9520 SmartValve System Controls combine gas flow control
and electronic direct main burner ignition sequencing functions
into a single unit. The ignition source is 120V hot surface igniter
lighting the main burner flame. Provides all gas ignition safety
functions by controlling gas flow, ignition source, and a 120 Vac
combustion air blower. The control also monitors the appliance
airflow proving switch circuit and limit string to assure proper
appliance operation. The SmartValve System Controls provide
prepurge, postpurge and timed trial for ignition with multiple
ignition trials and auto reset from lockout. Diagnostic LED
indicates system status.
• The control communicates directly with the ST9160 Electronic Fan
Timer (EFT) in typical forced warm air furnace applications.
• It will also interface with the 208907 Terminal Board, providing
compatibility with power-stealing thermostats. Or, it directly
interfaces with the appropriate power supplies and a system
thermostat for additional appliance applications.
• When controlled directly by a thermostat, the control does not
provide a postpurge function, as power to the control is removed
when the thermostat call for heat ends.
• This system is suitable for a wide range of fan-assisted combustion,
gas-fired appliances including furnaces, rooftop furnaces, boilers,
unit heaters, infrared heaters, water heaters and commercial
cooking appliances.
Dimensions, Approximate: 3.2 in. wide x 4.9 in. high x 4.1 in.long
(81 mm wide x 124 mm high x 104 mm long.)
Body Pattern: Straight-through
Maximum Capacity at 1 in. P.D. 150 ft
3
/hr (4.2 m
3
/hr)
Maximum Capacity: 200 ft
3
/hr (5.7 m
3
/hr)
Minimum Capacity: 20 ft
3
/hr (0.6 m
3
/hr)
Electrical Ratings: 24 Vac
Frequency: 60 Hz, 50 Hz
Control Voltage (Thermostat or other call for heat): 24 Vac, 60 Hz.
Flame Failure Response Time (sec): 2 sec @ 5 µA
Flame Sense: Two Rod
Ignition Sequence: 7/12 sec
Ignition System Type: Direct Hot Surface Ignition
Ignition Trial Time: 7 sec
Ignition Trials To Lockout: 4 trials
Pressure Ratings: 1/2 psi (3.5 kPa)
Pressure Tapping: 1/8 in. - NPT
Ambient Temperature Range: 0 F to 175 F (-18 C to +79 C)
Mounting: 0 to 90 degrees in any direction from the upright position of
the gas control knob, including vertically.
Approvals:
Canadian Standards Association: CSA International: 158158-
10592145
Product Number
Type of
Gas
Opening
Characteristics
(standard, step) Inlet/Outlet Size (in.)
Pressure Regulator
Setting
PrePurge Includes(psi) (kPa)
• SV9520H8513 Natural Fast-Slow Opening 1/2 in. NPT x 1/2 in. NPT 0.87 kPa 3.5 in. wc 15 seconds LP Conversion Kit
• SV9520M2536 Natural Standard Opening 1/2 in. NPT x 1/2 in. NPT 0.87 kPa 3.5 in. wc 15 seconds LP Conversion Kit
* TRADELINE models • SUPER TRADELINE models