SMARTVALVE™ SYSTEM CONTROLS
69-1059—01
2
Prepurge Time (Factory-set):
3, 15, 30 or 45 seconds, depending on model.
Trial for Ignition:
90 seconds.
Postpurge Time (Factory-set):
5 seconds; this is not available when the SmartValve
System Control is connected directly to the thermo-
stat.
Retry Delay:
5 minutes.
Flame Failure Response Time:
1.6 seconds maximum at 2
μ
A.
Capacity:
See Table 3.
Conversion:
Use conversion factors in Table 4 to convert capacities
for other gases.
Regulation Range (Btuh);
SV9540 with 1/2 in. NPT Outlet:
Natural Gas:
Minimum: 20,000.
Maximum: 200,000.
LP Gas:
Minimum: 40,000.
Maximum: 200,000.
SV9540 with 1/2 in. Inverted Flare Outlet:
Natural Gas:
Minimum: 20,000.
Maximum: 180,000.
LP Gas:
Minimum: 40,000.
Maximum: 180,000.
SV9640 (3/4 in. x 3/4 in.):
Natural Gas:
Minimum: 30,000.
Maximum: 415,000.
LP Gas:
Minimum: 30,000.
Maximum: 415,000
Natural-LP Gas Conversion Kits:
Natural Gas to LP:
393691 Conversion Kit.
LP to Natural Gas:
394588 Conversion Kit.
IMPORTANT
SV9540P; SV9640P CANNOT be field-con-
verted to LP or natural gas.
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.
a
Capacity based on 1000 Btu/feet3, 0.64 specific gravity natural gas at 1 in. wc pressure drop (37.3 MJ/meter3, 0.64
specific gravity natural gas at 0.25 kPa pressure drop).
b
Capacity is reduced by 5 percent with the use of outlet screen.
c
Valves are guaranteed at only 77 percent of the rating.
Table 2. Thermostat Current (Run Mode); with control
connected directly to thermostat.
Model
24 Vac, 60 Hz
SV9540
0.25A
SV9640
0.25A
Table 3. Capacity
b
of SV9540; SV9640.
Model
Size
(Inlet x Outlet)
(in.)
Capacity (at 1 in. wc
pressure drop
a,c
)
Minimum Regulated
Capacity
Maximum Regulated
Capacity
SV9540
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)
SV9640
1/2 x 1/2
240 ft
3
/hr (6.8 m
3
/hr)
30 ft
3
/hr (0.8 m
3
/hr)
340 ft
3
/hr (9.6 m
3
/hr)
1/2 x 3/4
270 ft
3
/hr (7.6 m
3
/hr)
30 ft
3
/hr (0.8 m
3
/hr)
370 ft
3
/hr (10.5 m
3
/hr)
3/4 x 3/4
300 ft
3
/hr (8.5 m
3
/hr)
30 ft
3
/hr (0.8 m
3
/hr)
415 ft
3
/hr (11.8 m
3
/hr)