Honeywell VR8304- User Manual
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Table of Contents:
- Page 2 – INSTALLATION; WARNING; Install Adapters to Gas Control; Flanges
- Page 3 – Choose Gas Control Location
- Page 4 – WIRING; Gas Control Knob Settings
- Page 6 – Perform Gas Leak Test; Gas leak test; Adjust the Pilot Burner Flame; CAUTION; Step-opening pressure regulator
- Page 7 – MAINTENANCE
- Page 8 – Service; Turning off the Appliance
INSTALLATION INSTRUCTIONS
69-0625—03
Place Bar Code Here
VR8304 Intermittent Pilot
Combination Gas Control
APPLICATION
These intermittent pilot gas controls are used in gas-fired
appliances with capacities up to 300 ft
3
/hr at 1 in. WC
pressure drop (8.5 m
3
/h at 0.25 kPa) on natural gas.
They include a manual valve, two automatic operators,
and a pressure regulator. See Table 1 for temperature
ranges and regulator types.
Table 1. Temperature ranges and regulator types
SPECIFICATIONS
Body pattern:
Straight-through body pattern.
Inlet x outlet sizes available:
1/2 x 1/2 in., 1/2 x 3/4 in.,
and 3/4 x 3/4 in. (factory-installed inlet flange).
Adapters
Adapters available for 3/8, 1/2 and 3/4 in.
straight and angle connections. Refer to Table 2.
Electrical Ratings:
voltage and frequency: 24 Vac,
50/60 Hz.
Current Draw:
0.7A.
Capacity:
See Table 3.
Approvals:
• American Gas Association Design Certificate:
UP-70-69A
• Canadian Gas Association Design Certificate:
UP-70-69A.
• Australian Gas Association Certificate: Applied for.
• Delta C: Applied for.
Table 2. Flange part numbers
NOTE: Flange kits include one flange with attached O-
ring and fan mounting screw.
Table 3. Capacity
a
Capacity based on 1000 Btu/ft
3
, 0.64 specific gravity
natural gas at 1 in. WC pressure drop (37.3 MJ/m
3
,
0.64 specific gravity natural gas at 0.25 kPa pressure
drop.
Use conversion factors in Table 4 to convert capacities
for other gases.
Table 4. Gas capacity conversion factors
Model number
Ambient
temperature range Regulator type
VR8304H
0 F to 175 F
(-18 C to +79 C)
Slow-opening
VR8304K
-40 F to 175 F
(-40 C to +79 C)
Slow opening
VR8304M
-40 F to 175 F
(-40 C to +79 C)
Standard-opening
VR8304P
-40 F to 175° F
(-40 C to +79 C)
Step-opening
Inlet/outlet pipe size
Flange type
Part number
3/8 inch NPT
Straight
393690-11
1/2 inch NPT
Elbow
393690-13
3/4 inch NPT
Straight
393690-4
Elbow
393690-15
Size
(inlet x
outlet)
Capacity at 1 in.
WC pressure
drop
a
Minimum
regulated
capacity
Maximum
regulated
capacity
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
/r)
Gas
Specific gravity
Multiply listed
capacity by
Manufactured
0.60
0.516
Mixed
0.70
0.765
Propane
1.53
1.62
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