Honeywell VR4305, Быстрый старт, Страница: 1 / 8

1 69-0696—1 J.D. • Rev. 1-94 • ©Honeywell Inc. 1994 • Form Number 69-0696—1
VR4305
Direct Ignition
Combination Gas Control
Application
These direct ignition combination gas controls are used
in gas-fired appliances with capacities up to 300 feet
3
/hour
at 1 inch wc pressure drop [8.5 meters
3
/hour at 0.25 kPa]
for natural gas. They include a manual valve, two automatic
operators, a pressure regulator, and a conduit cover. See
Table 1 for temperature ranges and regulator types.
BODY PATTERN: Straight-through.
INLET X OUTLET SIZES AVAILABLE: 1/2 x 3/4 inch.
ADAPTERS: Adapters available for 1/2 and 3/4 inch straight
and angle connections. Refer to Table 3.
ELECTRICAL RATINGS:
Voltage and Frequency: 120 Vac, 60 Hz.
Thermostat Heat Anticipator Setting: 0.14A.
Current Draw: 0.14A.
CAPACITY:
Size
(Inlet x Outlet)
Capacity (at 1 inch
wc pressure drop)
a
Minimum
Regulated Capacity
Maximum
Regulated Capacity
1/2 x 1/2 240 feet
3
/hour
[6.8 meter
3
/hour]
30 feet
3
/hour
[0.8 meter
3
/hour]
340 feet
3
/hour
[9.6 meter
3
/hour]
1/2 x 3/4 270 feet
3
/hour
[7.6 meter
3
/hour]
30 feet
3
/hour
[0.8 meter
3
/hour]
370 feet
3
/hour
[10.5 meter
3
/hour]
3/4 x 3/4 300 feet
3
/hour
[8.5 meter
3
/hour]
30 feet
3
/hour
0.8 meter
3
/hour]
415 feet
3
/hour
[11.8 meter
3
/hour]
a
Capacity based on 1000 Btu/feet
3
, 0.64 specific gravity natural gas at 1 inch wc pressure drop [37.3 MJ/meter
3
, 0.64 specific
gravity natural gas at 0.25 kPa pressure drop].
TABLE 1—TEMPERATURE RANGES AND
REGULATOR TYPES.
Model
Number
Ambient
Temperature
Range
Regulator
Type
VR4305H 0
°
F to 175
°
F
[-18
°
C to +79
°
C]
Slow-opening
VR4305M -40
°
F to 175
°
F
[-40
°
C to +79
°
C]
Standard-opening
VR4305P -40
°
F to 175
°
F
[-40
°
C to +79
°
C]
Step-opening
Use conversion factors in Table 2 to convert capacities
for other gases.
TABLE 2—GAS CAPACITY CONVERSION FACTORS.
Gas
Specific
Gravity Multiply Listed
Capacity By
Manufactured 0.60 0.516
Mixed 0.70 0.765
Propane 1.53 1.62
TABLE 3—ADAPTER (FLANGE) PART NUMBERS.
Part Number
Inlet/
Outlet
Pipe Size
Flange
Type
Without
Hex
Wrench
With
Hex
Wrench
1/2 inch NPT Straight 393690-6 393690-16
Elbow 393690-3 393690-13
3/4 inch NPT Straight 393690-4 393690-14
Elbow 393690-5 393690-15
NOTE: Flange Kits include one flange with attached O-ring
and four mounting screws.
APPROVALS:
American Gas Association design certificate:
L2025007.
Canadian Gas Association design certificate:
L2025007.
Australian Gas Association design certificate:
Applied for.
Delta C.