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Honeywell VR8205 Installation Instructions Manual

Direct ignition combination gas controls
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VR8105, VR8205, and VR8305
Direct Ignition Combination
Gas Controls
APPLICATION
These direct ignition gas controls are used in gas-fired
appliances with up to 415 ft
3
pressure drop (8.5 m
/hr at 0.24 kPa) on natural gas.
They include a manual valve, two automatic operators
and a pressure regulator.
Size Inlet-
Model
Outlet (in.)
VR8105
1/2 x 1/2
VR8205
b,c
VR8305
1/2 x 3/4
b,c
VR8305
3/4 x 3/4
b,c
VR8305
a
Capacity based on 1000 Btu/ft
at 0.25 kPa pressure drop).
b
Capacity is reduced by 5 percent when using an outlet screen.
c
Valves are guaranteed at only 77 percent of the rating.
d
Minimum regulation for LP gas is 15,000 Btuh.
e
Minimum regulation for LP gas is 40,000 Btuh.
f
Minimum regulation for LP gas is 50,000 Btuh.
Table 2. Gas Capacity Conversion Factor.
Gas
Specific Gravity
Manufactured
0.60
Mixed
0.70
Propane
1.53
3
/hr capacity at 1 in. wc
Table 1. Valve Capacity.
AGA Certified
Capacity for
Natural Gas
3
ft
/hr
m
85
2.3
150
4.2
240
6.8
270
7.6
300
8.5
3
, 0.64 sp gr natural gas at 1 in. wc pressure drop (37.3 MJ/m
Multiply Listed
Capacity By
0.516
0.765
1.62
These gas controls are available in a range of valve
capacities; see Table 1. (Table 2 provides gas capacity
conversion factors.) The suffix letter indicates
temperature range and regulator type; see Table 3.
a
AGA Certified Minimum
Regulation for
Natural Gas
3
3
/hr
ft
/hr
d
10
e
20
f
30
Table 3. Model Number Suffix Letter Designation.
Model No.
Suffix
Letter
A
C
H
K
M
P
Q
R
INSTALLATION INSTRUCTIONS
AGA Certified Maximum
Regulation for Natural
3
3
m
/hr
ft
/hr
0.4
120
0.6
200
0.8
340
370
415
3
, 0.64 sp gr natural gas
Ambient
Temperature Range
0°F t0 175° F
(-18°C to +79°C)
-40°F to +175°F
(-40°C to +79°C)
Gas
3
m
/hr
3.4
5.7
9.6
10.5
11.8
Pressure
Regulator Type
Standard
Step-opening
Slow-opening
Standard
Step-opening
Two-stage
Convertible
69-1226-04

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  Summary of Contents for Honeywell VR8205

  • Page 1 VR8105, VR8205, and VR8305 Direct Ignition Combination Gas Controls INSTALLATION INSTRUCTIONS APPLICATION These gas controls are available in a range of valve capacities; see Table 1. (Table 2 provides gas capacity conversion factors.) The suffix letter indicates These direct ignition gas controls are used in gas-fired temperature range and regulator type;...
  • Page 2: Specifications

    VR8105, VR8205, AND VR8305 DIRECT IGNITION COMBINATION GAS CONTROLS SPECIFICATIONS PLANNING THE INSTALLATION Body Pattern: Straight through; See Table 1 for inlet and outlet size. Electrical Ratings: WARNING Voltage and Frequency: 24 Vac, 60 Hz or 50/60 Hz depending on model.
  • Page 3: Installation

    VR8105, VR8205, AND VR8305 DIRECT IGNITION COMBINATION GAS CONTROLS Table 6. VR8205A,H/VR8305A,H CE Models. Specification VR8205A,H (CE Model Only) VR8305A,H (CE Model Only) Main Valve Connection 1/2 in. ISO, 7/1 internal thread (BSP.PL) 1/2 in., 3/4 in. ISO, 7/1 internal thread (BSP.PL).
  • Page 4: Converting Gas Control From Natural Gas To Lp Gas (Or Lp Gas To Natural Gas)

    VR8105, VR8205, AND VR8305 DIRECT IGNITION COMBINATION GAS CONTROLS Converting Gas Control from Natural GAs to LP Gas (or LP Gas to Natural Gas) WARNING OTHER SIDE PRESSURE OF CAP REGULATOR Fire or Explosion Hazard. Can cause severe injury, death or property damage.
  • Page 5: Install Piping To Control

    VR8105, VR8205, AND VR8305 DIRECT IGNITION COMBINATION GAS CONTROLS Complete the instructions below for installing the piping, Table 7. NPT Pipe Thread Length (in.). installing the control, connecting the pilot gas tubing and Pipe Thread Pipe Maximum Depth Pipe can be the wiring.
  • Page 6 VR8105, VR8205, AND VR8305 DIRECT IGNITION COMBINATION GAS CONTROLS WHEN FLANGE IS NOT USED WHEN FLANGE IS USED APPLY WRENCH APPLY WRENCH TO FLANGE ONLY FROM TOP OR BOTTOM OF GAS CONTROL TO EITHER SHADED AREA M3084A Fig. 5. Proper use of wrench on gas control with and without flanges.
  • Page 7: Startup And Checkout

    VR8105, VR8205, AND VR8305 DIRECT IGNITION COMBINATION GAS CONTROLS STARTUP AND CHECKOUT (HOT) WARNING S87B CONTROL MODULE Fire or Explosion Hazard, Can cause severe injury, death or property ALARM, IF USED damage. 24V (GND) ALARM 1. Do not force the gas control knob on the...
  • Page 8 VR8105, VR8205, AND VR8305 DIRECT IGNITION COMBINATION GAS CONTROLS Check and Adjust Gas Input and Burner NOTE: If the burner firing rate is above 150,000 Btuh on VR8305 models (see Table 1 for VR8305 Ignition capacities), it may not be possible to deliver the desired outlet pressure.
  • Page 9: Check Safety Lockout (Slow-Opening Controls Only)

    VR8105, VR8205, AND VR8305 DIRECT IGNITION COMBINATION GAS CONTROLS 5. If necessary, adjust the high pressure regulator to 10. Once high and low pressure have been checked match the appliance rating. See Tables 8 and 9 for and adjusted, replace pressure regulator factory-set nominal outlet pressure and adjustment adjustment cap.
  • Page 10: Check Safety Shutdown Performance

    VR8105, VR8205, AND VR8305 DIRECT IGNITION COMBINATION GAS CONTROLS Check Safety Shutdown Performance Maintenance frequency must be determined individually for each application. Some considerations are: • Cycling frequency. Appliances that cycle 20,000 times WARNING annually should be checked monthly. • Intermittent use. Appliances that are used seasonally Fire or Explosion Hazard.
  • Page 11: Instructions To The Homeowner

    VR8105, VR8205, AND VR8305 DIRECT IGNITION COMBINATION GAS CONTROLS INSTRUCTIONS TO THE To Turn ON Appliance HOMEOWNER STOP: Read the Warnings Above Before Proceeding WARNING 1. The lighting sequence on this appliance is automatic; do not attempt to manually light the main Fire or Explosion Hazard.
  • Page 12 VR8105, VR8205, AND VR8305 DIRECT IGNITION COMBINATION GAS CONTROLS Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9 customer.honeywell.com ® U.S. Registered Trademark © 2008 Honeywell International Inc.

This manual is also suitable for:

Vr8105Vr8305