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VR8104, VR8204 AND VR8304 INTERMITTENT PILOT COMBINATION GAS CONTROLS
69-1225—4 2
a
Available only on CE VR8204 models.
Table 4. VR8204A,H/VR8304A,H,U CE.
a The VR8204U uses standard U.S. construction. Inlet and outlet ports are 1/2 in. NPT, and the pilot connection is the
standard 7/16 in. thread for a 1/4 in. pilot tube. European-style inlet and outlet pressure taps are available.
CAUTION
Equipment Damage Hazard.
Improper use can damage equipment.
Read the instructions before use. This control
must be installed in accordance with the rules
in force.
Table 3. Model Number Suffix Letter Designation.
Model No.
Suffix Letter
Ambient
Temperature
Range
Pressure
Regulator Type
A 0°F to 175°F
(-18°C to +79°C)
Standard
C Step-opening
H Slow-opening
U
a
Nonregulating
(on-off)
K -40°F to +175°F
(-40°C to +79°C)
Slow-opening
M Standard
P Step-opening
QTwo-Stage
RConvertible
Specifications VR8204A,H (CE Model Only) VR8304A,H (CE Model Only)
Main valve connections (If NPT,
the valves must be serviced by
the appliance manufacturer.
1/2 in. ISO, 7/1 internal thread (BSP,
NPT.
1/2 in., 3/4 in. ISO, 7/1 internal thread (BSP,
PL) or 1/2 in., 3/4 in. NPT.
Valve Classification B + D C + D
Capacity (1kW = 3.41BTUH) 29 kW at 2.5 mBar
43 kW at 5.0 mBar
for 1/2 in., 70 kW at 2.5 mBar
99 kW at 5.0 mBar.
For 3/4 in., 87 kW at 2.5 mBar:
121 kW at 5.0 mBar.
Supply Voltage 24 Vac, 50/60 Hz.
Flanges None.
Closing time Less than 1 second.
Opening Time Standard opening (A): less than 2 seconds.
Slow opening (H): less than 6 seconds.
Special fast opening (U): less than 1 second.
Suited for gas families 2H, 2L, and 3.
Outlet Press Range
(Except unregulated models)
Natural gas: 7.5 to 12.5 mBar (3 to 5 in. wc).
Natural gas: 12.5 to 17.5 mBar (5 to 7 in. wc).
LP gas: 20 to 30 mBar (8 to 12 in. wc).
Manually operated valve
operations
10,000 cycles for manual valves; 200,000 cycles for automatic valves.
Ambient temperature range -20°C to +70°C (-4°F to +158°F).
Maximum inlet pressure 60 mBar (24 in. wc).
Screen Fine mesh on inlet.
Pilot connection
a
M11 x 1 for 6 mm outside diameter tube.
Ground terminal
a
6.3 mm.
Pressure taps
a
9 mm OD for both inlet and outlet.
Approval CE-0063AU1215.