Table of Contents
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V4730C/V8730C/V4734C
1:1 Gas/Air servo Regulated Valves
Contents
1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Checking the usage . . . . . . . . . . . . . . . . . . . . . 2
3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
5 Tightness test. . . . . . . . . . . . . . . . . . . . . . . . . . 4
6 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . 7
7 Adjust servo regulator. . . . . . . . . . . . . . . . . . . . 7
8 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 8
9 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . 9
10 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . 9
11 Technical data . . . . . . . . . . . . . . . . . . . . . . . 10
12 Certification . . . . . . . . . . . . . . . . . . . . . . . . . 12
13 Logistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
14 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
oPeRAtInG InstRUCtIons
· Edition 05.23 · 32-00284-01 · 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 V4730C
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Page 1: Table Of Contents
V4730C/V8730C/V4734C 1:1 Gas/Air servo Regulated Valves oPeRAtInG InstRUCtIons · Edition 05.23 · 32-00284-01 · 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 CHeCKInG tHe UsAGe 3 InstALLAtIon The 1:1 Gas/Air Servo Regulated Valves, with an CAUtIon additional venturi mixing unit (VMU) and a fan, are Incorrect installation used for modulating premixing units, such as gas Please observe the following to ensure that the burners, gas boilers, roof units, fresh air units and unit is not damaged during installation and oper- process applications. -
Page 3: Wiring
3 Use new, properly reamed, pipe, free from chips. 3.3.2 Legend 4 Apply a moderate amount of good quality pipe Pressure regulator dope, resistant to the action of liquefied petroleum (LP) gas, only on the pipe threads. Strainer 5 Screw the flanges onto the pipes. 6 Ensure that the inlet and outlet flanges are in line and separate from each other enough to allow (SSOV) -
Page 4: Tightness Test
5 Install the leak test tap into pressure tap point P 5 tIGHtness test on the valve body. 6 Open the upstream manual gas cock A to re 5.1 Checking for tightness This is a test for checking the closure tightness of pressurize the first SSOV B. - Page 5 5.2 tightness for applications without without to test V2 12 Energize V1 to pressurize the system, wait for manual shut-off valve According North American standards and European indicated pressure to stabilize at the inlet EN161 standards. pressure. This is a test for checking the closure tightness of 13 De-energize V1 and simultaneously start a timer the gas safety shutoff valves.
- Page 6 5.2.1 time chart allowable valve seat leakage rate This timing chart was developed to meet AnsI Z21.21/CsA 6.5 requirements Minimum time to 50% P (seconds) inlet ANSI Z21.21/CSA 6.5 This timing chart was developed to meet en 161 requirements. Specific gravity: natural gas SG 0.64 propane SG 1.57 Minimum time to 50% P...
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Page 7: Commissioning
➔ For adjustments on the other additional function- 6 CoMMIssIonInG alities (e.g. pressure switch), refer to the included The V4730C/V8730C/V4734C are normally closed instruction sheet of the product in question in the valves. The valves open when energized and close package. -
Page 8: Maintenance
The complete modulation band of the appliance. deviation should be defined and documented. The – Please contact your Honeywell representative if measurement accuracy should be +/- 1 Pa. the maximum of 10 % is exceeded. -
Page 9: Troubleshooting
9 tRoUBLesHootInG 10 ACCessoRIes 10.1 Flange kit WARnInG Inlet flanges and outlet flanges are available as Risk of injury! accessories. Valve comes with one kit only. Can cause severe injury, death of property dam- age. – Use extreme caution when troubleshooting; line voltage is present. -
Page 10: Technical Data
10.5 sensing tube VMU Adjusting Mean range switching (adjusting type differential at tolerance = min. and max. ± 15% of the setting scale value) [mbar] ["WC] [mbar] ["WC] C60VRT40040 5–40 2–16 1–2 0,4–1 ➔ Deviation from the switching point during testing pursuant to EN 1854 Gas pressure switches: Short Sensing Tube for VMU150/300/335 kW Ven- ± 15%. - Page 11 Capacity: Seals and Gaskets: Hydrocarbon-resistant NBR and Viton rubber types. Capacity (natural gas type Enclosure: NEMA 1 (IP 40) 0.64 kg/m 22–150 kW 11.1 tightening torque V4730C1006 (73–512 kBtu/hr) Recommended tightening torques for the connec- 26–185 kW tion parts: V4730C1014 (89–622 kBtu/hr) screw type tightening torque 43–300 kW Throttle screw...
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Page 12: Certification
12.2 UL recognized UL429 Electrically operated valves 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.