Table of Contents
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VR400/VR800 series
Class "A" servo Regulated Combination Valves
Contents
1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Checking the usage . . . . . . . . . . . . . . . . . . . . . 2
3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5 Tightness test. . . . . . . . . . . . . . . . . . . . . . . . . . 4
6 Adjust valve . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
7 Adjust servo regulator. . . . . . . . . . . . . . . . . . . . 5
8 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 7
9 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . 8
10 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . 8
11 Technical data . . . . . . . . . . . . . . . . . . . . . . . . 9
12 Designed lifetime . . . . . . . . . . . . . . . . . . . . . 11
13 Certification . . . . . . . . . . . . . . . . . . . . . . . . . 12
14 Logistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
15 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
oPeRAtInG InstRUCtIons
· Edition 05.23 · 32-00285-01 · EN
1 sAFetY
1.1 Please read and keep in a safe place
Please read through these instructions
carefully before installing or operating. Following the
installation, pass the instructions on to the operator.
This unit must be installed and commissioned in
accordance with the regulations and standards in
force. These instructions can also be found at www.
docuthek.com.
1.2 explanation of symbols
1 , 2 , 3 , a , b , c = Action
➔ = Instruction
1.3 Liability
We will not be held liable for damage resulting from
non-observance of the instructions and non-com-
pliant use.
1.4 safety instructions
Information that is relevant for safety is indicated in
the instructions as follows:
DAnGeR
Indicates potentially fatal situations.
WARnInG
Indicates possible danger to life and limb.
CAUtIon
Indicates possible material damage.
All interventions may only be carried out by qualified
gas technicians. Electrical interventions may only be
carried out by qualified electricians.
1.5 Conversion, spare parts
All technical changes are prohibited. Only use OEM
spare parts.
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Summary of Contents for Honeywell VR400 Series
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Page 1: Table Of Contents
VR400/VR800 series Class "A" servo Regulated Combination Valves oPeRAtInG InstRUCtIons · Edition 05.23 · 32-00285-01 · EN 1 sAFetY 1.1 Please read and keep in a safe place Please read through these instructions carefully before installing or operating. Following the installation, pass the instructions on to the operator. -
Page 2: Checking The Usage
2.1 type code 2 CHeCKInG tHe UsAGe Class "A" combination gas valve The VR400 Series class “A” servo regulated combi- Line voltage nation valves are used for control and regulation of Low voltage gaseous fuels in gas fired power burners, atmos- ... -
Page 3: Installation
3 Use a sound taper fitting with thread according 3 InstALLAtIon to ISO 7-1 or new, properly reamed pipe free from swarf. CAUtIon 4 Apply a moderate amount of good quality thread Incorrect installation compound to the pipe for fitting only, leaving the Please observe the following to ensure that the two end threads bare, PTFE tape may be used unit is not damaged during installation and oper-... -
Page 4: Wiring
3.3.2 Legend 5 tIGHtness test Pressure Tightness test on the pipe connections after installa- regulator tion or service is necessary. Strainer Use a high quality gas leak detection spray to spray the pipe connections and gaskets. Start the appliance and check for bubbles as (SSOV) (SSOV) described below. -
Page 5: Adjust Servo Regulator
Important ➔ To ensure a satisfactory setting of the valve the pressure drop over the valve should be at least 10% of the supply pressure or 2,5 mbar which ever is the greatest. 6.1 Adjust flow rate 2nd valve = fast opening Opening speed regulation time Characterized opening... - Page 6 6 For non-regulating mode (LP gas) turn adjust- WARnInG ment screw clockwise until it stops. Incorrect adjustment 7 Replace pressure regulator cap. Please observe the following to ensure that the 8 Connect pressure feedback connection (if unit is not damaged during adjustment and applicable).
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Page 7: Maintenance
– The oscillation has to be verified for the measurement accuracy should be +/- 1 Pa. complete modulation band of the appliance. – Please contact your Honeywell representative if 8 MAIntenAnCe the maximum of 10 % is exceeded. The 1:1 gas/air regulator assembly has an air pres- It is recommended to check the settings annualy sure connection and an offset adjustment screw. -
Page 8: Troubleshooting
9 tRoUBLesHootInG 10 ACCessoRIes 10.1 Flange kit WARnInG Inlet flanges and outlet flanges are available as Risk of injury! accessories. Can cause severe injury, death of property dam- age. – Use extreme caution when troubleshooting; line voltage is present. – Do not replace the valve until all other sources of trouble are eliminated. -
Page 9: Technical Data
10.4.2 Adjust switching point Torsion and bending stress ➔ The switching point is adjustable via hand wheel. Pipe connections meet group 2 according to EN 13611 requirements. Valve Classification: Class A + A according EN 161 Regulator Classification: Class C according EN 88-1 Supply voltages: Line voltage: 230 V AC, 50/60 Hz Low voltage: 24V AC, 50/60 Hz... - Page 10 11.2 Perfomance characteristics 11.4 Hi-lo regulator Opening time: Pressure feedback connection: Dead time maximum 1 second. The high–low regulator with an M5 thread connec- VR434: maximum dead time <0,5 second. tion for pressure feedback. The first valve (V1) opens in less than 1 second. Minimum regulation capacity: The second valve (V2) can be either a fast opening, 0,31 m...
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Page 11: Designed Lifetime
Hysteresis: Minimum regulation capacity: The deviation in the outlet pressure at minimum 1 m /h air at Δp = 0,5 mbar across main burner setting if hi-lo regulator is swiched ON and OFF may orifice at 30 mbar operating pressure maximum not exceed: 0,5 mbar for 4–37 mbar range. Minimum operating gas pressure: Shift on mechanical set point after live cycle: 15 mbar... -
Page 12: Certification
Reach list HTS at www.docuthek.com. FoR MoRe InFoRMAtIon The Honeywell Thermal Solutions family of products includes Honeywell Combustion Safety, Eclipse, Exothermics, Hauck, Kromschröder and Maxon. To learn more about our products, visit ThermalSolutions.honeywell.com or contact your Honeywell Sales Engineer.
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