SV9520H SMARTVALVE™ SYSTEM CONTROL LINE VOLTAGE POLARITY SENSE MODELS
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2
Flame Recognition Period (FRP): 1 second.
Trial for Ignition (IAP+FRP): 5 or 7 seconds typical,
depending on model.
Igniter Warmup Period: 7 seconds first try; 12 seconds
subsequent tries.
Automatic Restart Delay: 60 minutes, minimum.
Postpurge Time (Factory-set): 5 seconds; this is not
available when the SmartValve™ System Control is
connected directly to the thermostat.
Ignition Retries: 3 retries; 4 trials total before lockout.
Ignition Recycles:
4
Flame Failure Response Time: 2 seconds max. at 5
µA.
Capacity: See Table 3.
Conversion:
Use conversion factors in Table 3 to
convert capacities for other gases.
Regulation Range (Btuh);
SV9520 with 1/2 in. NPT Outlet:
Natural Gas:
Minimum: 20,000.
Maximum: 200,000.
LP Gas:
Minimum: 40,000.
Maximum: 200,000.
SV9520 with 1/2 in. Inverted Flare Outlet:
Natural Gas:
Minimum: 20,000
Maximum: 180,000.
LP Gas:
Minimum: 40,000.
Maximum: 180,000.
Natural-LP Gas Conversion Kits:
Natural Gas to LP:
393691 Conversion Kit.
LP to Natural Gas:
394588 Conversion Kit.
Pipe Adapters: Angle and straight adapters available for
3/8-, 1/2- and 3/4-in. pipe. See Table 5. Flange kits
include one flange with attached O-ring, four mounting
screws, a 9/64 in. hex wrench and instructions.
Approvals: International Approval Services (IAS):
Design Certified C2030025.
Table 3. Capacity of SV9520.
a
Capacity based on 1000 btu/feet
3
, 0.64 specific gravity natural gas at 1 in. wc pressure drop (37.3 MJ/meter
3
, 0.64
specific gravity natural gas at 0.25 kPa pressure drop).
Table 4. Gas Capacity Conversion Factor.
Table 5. Adapter (Flange) Part Numbers.
a
Flange kits include one flange, one O-ring and four
mounting screws.
PLANNING THE INSTALLATION
WARNING
Fire or Explosion Hazard.
Can cause property damage, severe injury,
or death.
Follow these warnings exactly:
1. Plan the installation as outlined below.
2. Plan for frequent maintenance as described in
the Maintenance section.
When direct ignition systems are used on central heating
equipment in barns, greenhouses, and commercial
properties and on heating appliances such as
commercial cookers, agricultural equipment, industrial
heating equipment and pool heaters, heavy demands are
made on the controls. Special steps may be required to
prevent nuisance shutdowns and control failure due to
frequent cycling, severe environmental conditions related
to moisture, corrosive chemicals, dust or excessive heat.
These applications require Honeywell Home and Building
Control Engineering review; contact your Honeywell
Sales Representative for assistance.
Review the following conditions that can apply to your
specific installation and take the precautionary steps
suggested.
Model
Size (Inlet x Outlet)
(in.)
Capacity (at 1 in. wc
pressure drop
a
)
Minimum Regulated
Capacity
Maximum Rated
Capacity
SV9520H
1/2 x 1/2 NPT
150 ft
3
/hr (4.2 m
3
/hr)
20 ft
3
/hr (0.6 m
3
/hr)
200 ft
3
/hr (5.7 m
3
/hr)
1/2 NPT x 1/2 inverted
flare
130 ft
3
/hr (3.7 m
3
/hr)
20 ft
3
/hr (0.6 m
3
/hr)
180 ft
3
/hr (5.1 m
3
/hr)
Gas
Specific Gravity
Multiply Listed
Capacity By
Manufactured
0.60
0.516
Mixed
0.70
0.765
Propane
1.53
1.62
Inlet/Outlet
Pipe Size
Flange Type
Part Number
a
Without Hex
Wrench
With Hex
Wrench
1/2 in. NPT
Straight
393690-6
393690-16
Elbow
393690-3
393690-13