VS8510/VS8520 MILLIVOLT COMBINATION GAS CONTROL
68-0203
4
Pressure Rating:
IAS rating to maximum 1/2 LB. PSI inlet pressure.
Electrical Ratings:
•
30 mV power unit resets with a maximum of 300mA
applied and dropout between 250mA and 70mA.
•
750mV power unit resets with a maximum of 15mA
applied and drop out between 7mA and 3mA.
Inlet and Outlet Connections:
•
Inlet and outlet on side.
•
Inlet and Outlet on bottom.
•
Inlet on side and outlet on bottom and on side.
•
Inlet on bottom and outlet on side.
Safety Valve Configurations:
•
Safety valve and operator are powered by thermopile
(Q313)-vented.
•
Safety valve is powered by fast dropout thermocouple
(Q335) and thermopile powers operator (Q313)-vented.
•
Safety valve is powered by thermocouple in oxygen
depletion operator sensor (OPS) –vent free.
Thermocouple Connection (for fast dropout configuration)
•
Connection size: 11/32-32 UNS double lead.
•
Available in side or bottom outlet.
Mounting:
Mounting support in eight locations on valve No. 10-24 screw.
Option M5X 0.8 screw; cored hole on diaphragm side accepts
#10-24 screw.
Dimensions
See Figure 2 for the dimensions of the VS8510/VS8520
Models.
Fig. 1. VS8510/VS8520 Model dimensions.
L
HI
O
3-7/32
(81)
4-9/16
(117)
4-5/8
(118)
1-49/64 (45)
2-7/32 (57)
17/32
(13)
2-9/16 (65)
1-1/8 (28)
17/32
(14)
5/16 (7)
15/16
(24)
5-1/32 (128)
11/16 (17)
1-5/8 (41)
4-1/8 (104)
1
(25)
1-11/32
(34) 13/16
(20)
5/16 (7)
25/64
(10)
1-29/32 (48)
15/16 (24)
1-1/4
(32)
1-3/16
(30)
SIDE
THERMOCOUPLE
CONNECTION
SIDE
OUTLET
SIDE PILOT
OUTLET
ECO
WINDOW
BOTTOM THERMOCOUPLE CONNECTION
BOTTOM
OUTLET
BOTTOM
INLET
BOTTOM
PILOT
OUTLET
MOUNTING
SCREW
SIZE 10-24
MOUNTING
SCREW
SIZE 10-24
M5X0.8
PILOTSTAT KNOB
HI/LO REGULATOR
ADJUSTMENT
TO THERMOPILE
TO THERMOSTAT
TO
THERMOSTAT
INLET
PRESSURE
TAP
OUTLET
PRESSURE
TAP
M12667
TOP
BOTTOM
SIDE
OUTLET