Siemens Compact Universal Controllers Users Manual

siemens compact universal controllers to the manual 778acd6c-2a58-4a9f-a96f-2a7cc056e508

2015-02-05

: Siemens Siemens-Compact-Universal-Controllers-Users-Manual-410644 siemens-compact-universal-controllers-users-manual-410644 siemens pdf

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CC1N7865en 01.09.2005 Building TechnologiesHVAC Products 7865 Compact Universal Controllers RWF40... The RWF40... is a universal digital boiler temperature / pressure controller with functions designed specifically for the control of heat generating plant. The RWF40... and this Data Sheet are intended for use by OEMs which integrate the controller in their products! Mechanical design The controller is supplied complete with housing for flush panel mounting. The RWF40... is matched to the controlled variable and the required setpoint range by mak-ing parameter settings. The control parameters can be set and optimized while the burner is running. All settings are made with 4 buttons located on the unit front and are directly displayed. LEDs on the front indicate the following operating states: - Control ON / OFF - Positioning pulses ON or OFF for driving the burner´s air damper when using modulating burner control, or stage I / stage II when using 2-stage burner control - «2-stage» operating mode - Position of the configurable contact «K6» - Manual control ON / OFF During operation, the digital display above the LEDs shows the setpoint (green), the actual value (red) and – when making parameter settings – the relevant parameters. RWF40... complete with housing
2/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes should be observed! Do not open, interfere with or modify the controller! • All activities (mounting, installation and service work, etc.) must be performed by qualified staff • When selecting the cables, when making the installation and the electrical connec-tions, observe the regulations of VDE 0100 «Erection of power installations with rated voltages below AC 1000 V» and the relevant national regulations • Provide double-pole isolation of the controller from the mains supply if there is a risk of touching live parts while work is carried out • Check to ensure that wiring is in an orderly state • Fall or shock can adversely affect the safety functions. Such units must not be put into operation, even if they do not exhibit any damage Mounting notes • Ensure that the relevant national safety regulations are complied with Installation notes • Please observe the notes given in the user documentation B7865 Commissioning notes • Prior to commissioning the plant, check to ensure that wiring is in an orderly state Standards and certificates Conformity to EEC directives - Electromagnetic compatibility EMC (immunity) - Electromagnetic compatibility EMC NAMUR recommentation 89 / 336 EEC NE21, EN 50 081 part 1 and EN 50 082 part 2 ISO 9001: 2000 Cert. 00739 ISO 14001: 1996 Cert. 38233 Service notes • For service purposes, the controller can be removed from its housing with no need for tools • The electrical connections are made via the screw terminals located at the rear of the housing • Each time a unit has been replaced, check to ensure that wiring is in an orderly state and that the wires are firmly connected Disposal notes The unit contains electrical and electronic components and must not be disposed of together with household waste. Local and currently valid legislation must be observed.

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