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L408J Vaporstat
EN
Contents
1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3 Checking the usage . . . . . . . . . . . . . . . . . . . . . 2
4 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
5 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . 2
6 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
8 Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
9 Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
10 Test boiler installation . . . . . . . . . . . . . . . . . . . 5
11 Controller seems to operate improperly . . . . . 6
12 Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
13 Certification . . . . . . . . . . . . . . . . . . . . . . . . . . 6
14 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
®
Controllers
oPeRAtInG InstRUCtIons
· Edition 05.23 · 65-0287-03 · 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 VaporStat L408J
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Page 1: Table Of Contents
L408J Vaporstat ® Controllers oPeRAtInG InstRUCtIons · Edition 05.23 · 65-0287-03 · 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. -
Page 2: Application
2 APPLICAtIon 5 teCHnICAL DAtA The L408J VaporStat Controllers are line voltage CAUtIon pressure controllers that provide operating control The specifications given in this publication do or automatic limit protection for pressure systems of not include normal manufacturing tolerances. up to 4 psi (27.6 kPa). Therefore, this unit may not match the listed spec- All models have Microswitch snap switches to... -
Page 3: Accessories
screws through two holes (knockouts) in back of 7.1 Installation position ➔ Controllers must be mounted above the water case. line in steam boilers. Weight ➔ They can be mounted alongside the pressure 2 lb, 4 oz. (1.02 kg). gauge, at a remote location, in a fitting provided Finish by the boiler manufacturer, or in special mount- Gray. -
Page 4: Wiring
6 Make sure the loads do not exceed the Switch 7.1.4 Mounting 1 Mount the controller directly on the main pipe. contact ratings, see page 2 (5 Technical 2 Insert a tee in the pipe line, and connect a pipe data). -
Page 5: Adjustment
L408J controlling a series 61 Motor (Modutrol). L408J controller Series 61 motor (hot) 2 Adjust the differential setting by turning the differential adjusting screw until the differential setting indicator is at the desired value. power supply 1) Provide disconnect means and overload protection as required. -
Page 6: Controller Seems To Operate Improperly
2 Then, observe the operation of the controller while raising and lowering its setpoint. 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...