Install Instructions

VR8205; VR4205 DIRECT IGNITION DUAL AUTOMATIC VALVE COMBINATION GAS CONTROLS
68-0049—03 2
a
Step pressure not adjustable.
ELECTRICAL CONNECTIONS: 1/4 in. male quick-connects.
Two convenience terminals on top of control (optional).
Terminal block color-coded brown.
TYPE OF GAS: Separate models for natural (and manufac-
tured) or LP gas.
CAPACITY:
At minimum regulation:
Natural gas: 20,000 Btuh [5860W]
a
.
LP gas: 40,000 Btuh [11,700W].
At 1 in. [0.25 kPa] pressure drop: 150,000 Btuh [44,000W]
a
.
At maximum regulation: 200,000 Btuh [58,600W]
a
.
a
0.64 sp gr natural gas at 1 in. [0.25 kPa] pressure drop; use
conversion factors in Table 2 to convert for other gases.
BODY PATTERN: Straight-through with 1/2 in. inlet and
1/2 in. outlet. Flanges available for 3/8, 1/2 and 3/4 in.
straight and 90° angle connection. See Table 3.
NOTE: Flange Kits include one flange with attached O-ring
and four mounting screws.
PRESSURE TAPPING: Inlet and outlet taps standard. Taps
accessible from top of control. Tap is 1/8 in. NPT with
plug containing recess for 3/16 in. Allen wrench.
PRESSURE RATING: AGA rating 1 /2 psi [3.5 kPa] inlet pres-
sure.
PRESSURE REGULATION: See Table 1. Regulator adjustment
accessible from top of control.
MOUNTING: Can be mounted 0 to 90 degrees in any direction
from the upright position of the gas control knob, includ-
ing vertically.
TEMPERATURE RATING:
VR8205A,C,H; VR4205H: 0° F to 175° F [-18° C to +79° C].
VR8205M,P,K; VR4205M,P: -40° F to +175° F [-40° C to
+79° C].
DIMENSIONS: See Fig. 1.
APPROVALS:
American Gas Association design certificate: L2025006.
Canadian Gas Association design certificate: L2025006.
Australian Gas Association design certificate: 4214.
Approved for Delta C applications.
ACCESSORIES:
• Flanges; see Table 3.
• 394349 9/64 in. hex tool for flange assembly screws.
• 393691 Natural to LP Conversion Kit.
• 394588 LP to Natural Conversion Kit.
Table 1. Model Specifications.
Model No.
Suffix Letter
Opening
Characteristic
Type
of Gas
Standard Factory
Regulator Settings
Optional Factory
Regulator Settings
Range of
Field Adjustment
in. wc kPa in. wc kPa in. wc kPa
VR8205A,M
VR4205M
Standard Natural 3.5 0.9 3 to 5 0.7 to 1.2 3 to 5 0.7 to 1.2
LP 10.0 2.5 8 to 12 2 to 3 8 to 12 2 to 3
VR8205C,P
VR4205P
Step-opening Natural Step—0.7,
0.9,1.2 or 1.7,
as ordered
a
Full Rate—
3.5
Step—0.17,
0.22, 0.30
or 0.48,
as ordered
a
Full Rate— 0.9
Step—0.7,
0.9,1.2 or 1.7,
as ordered
a
Full Rate— 3
to 5
Step—0.17,
0.22, 0.30
or 0.48,
as ordered
a
Full Rate—
0.7 to 1.2
Step—none;
Full Rate—
3-5
Step—none;
Full Rate—
0.7 to 1.2
LP Step—1.4,
2.5, 4.0 or 5.5,
as ordered
a
Full Rate—10
Step—0.35,
0.62, 0.99
or 1.37,
as ordered
a
Full Rate— 2.5
Step—1.4,
2.5, 4.0 or 5.5,
as ordered
a
Full Rate—
8 to 12
Step—0.35,
0.62, 0.99
or 1.37,
as ordered
a
Full Rate— 2-3
Step—none;
Full Rate—
8-12
Step—none;
Full Rate—
2 to 3
VR8205H,K
VR4205H
Slow-opening Natural 3.5 0.9 3 to 5 0.7 to 1.2 3 to 5 0.7 to 1.2
LP 10.0 2.5 8 to 12 2 to 3 8 to 12 2 to 3
Table 2. Gas Capacity Conversion Factors.
sp gr Multiply Listed Capacity By
0.60 0.516
0.70 0.765
1.53 1.62
Table 3. Flange Part Numbers.
Inlet/Outlet
Pipe Size
Flange
Type
Part No.
Less Hex
Wrench
With Hex
Wrench
3/8 in. NPT Straight 393690-1 393690-11
Elbow 393690-2 393690-12
1/2 in. NPT Straight 393690-6 393690-16
Elbow 393690-3 393690-13
3/4 in. NPT Straight 393690-4 393690-14
Elbow 393690-5 393690-15