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Wolf LH User Manual

Wolf LH
28 pages
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Operation and
Maintenance Instructions
Unit Heaters LH
(Translation of the original)
N° d’art. : 3040531_0711 Subject to modications
GB
Wolf GmbH · Postfach 1380 · 84048 Mainburg · Tél. 08751/74-0 · Fax 08751/741600 · Internet : www.wolf-heiztechnik.de
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Wolf LH Specifications

General IconGeneral
Frequency50Hz
Power Output2000W
Voltage230V
ThermostatYes
Safety FeaturesOverheat protection

Summary

General and Symbols

General Information

Provides general context and applicability of the instructions.

Safety Symbols

Explains symbols used for safety and technical reliability in the instructions.

Safety, Standards, and Unit Description

Safety Instructions

Details essential safety precautions for installation, operation, and maintenance.

Standards and Regulations

Lists applicable standards and regulations for LH unit heaters.

Unit Design and Description

Describes the construction and components of the Wolf LH unit heaters.

Installation and Operation Instructions

Heat Exchanger and Electric Heater

Covers installation and operation specifics for heat exchangers and electric heaters.

Unit Types and Motor Operation

Addresses ceiling-mounted units and motor operation for LH heaters.

Prior to Installation

Clearances

Specifies required clearances for LH ceiling and wall units in metres.

Discharge Accessories

Table detailing discharge accessories based on spacing for LH units.

Mounting Clearances and Air Throw Data

Provides mounting data and air throw performance for different unit types.

Installation Instructions

Suspension and Mounting

Details suspension angles, mounting brackets, and fixing methods for LH units.

Fastening Kits

Describes kits for securing LH units to concrete or steel bars.

Steel Bar Fastening Variations

Covers inclined and horizontal fastening kits for steel bars.

Electrical Connection

Three-Phase Motors

Electrical connection diagrams and information for three-phase motors.

Single-Phase AC Motors

Electrical connection diagrams for single-phase AC motors.

Switches

Single and Two-Step Switches

Details on D1 and DS switches for unit heater speed control.

Five-Step Switches

Details on D 5 and E 5-3 five-step switches for multi-speed operation.

Three-Stage Switches

Information on E3-7T and D 3-4 three-stage switches for 3-speed operation.

Control Devices for Damper Actuators

Automatic Relay A1

Auxiliary relay for automatic fresh air damper operation (Open-Shut).

Automatic Relay A1S

Relay with position transmitter for automatic mixed air damper operation.

Thermostats

Room Thermostats

Details various room thermostats and their specifications.

Anti-Frost Thermostat

Information on the anti-frost thermostat and its wiring.

Control System WRS

Control System Components

Overview of BML modules, LM1/LM2 units, sensors, and clocks.

LM1 Ventilation Control Unit Configuration

Example and installation diagram for LM1 with BML module.

LM1 and LM2 Ventilation Control Unit Configuration

Example and installation diagram for LM1/LM2 with BML.

LM2 Ventilation Control Unit with 5-Stage Regulator

Example and diagram for LM2 with electronic speed regulator.

Actuators and Push-buttons

Actuators

Details on OPEN-SHUT and stepless actuators for dampers and louvres.

Induction Louvre Push-button

Describes push-button control for induction louvres.

Intermediate Terminal Box

Parallel Operation Wiring

Diagrams for wiring multiple LH units with intermediate terminal boxes.

Maintenance and Frost Protection

Maintenance Procedures

Guidelines for cleaning heat exchangers, filters, and other components.

Frost Protection Measures

Instructions for draining units and protecting against frost.

Hydraulic Adjustment for Group Operation

Example 1: Individual Adjustment

Demonstrates hydraulic adjustment using individual control valves.

Example 2: Tichelmann System

Shows hydraulic adjustment using the Tichelmann pipework system.

Rain Protection Hood and Roof Lead-in Box

Roof Fastening and Sealing

Methods for installing and sealing rain protection hoods and roof lead-in boxes.

Connection Types

Describes flexible and non-flexible connection methods for roof installations.

Notes

General Notes

Provides additional notes and remarks for the user.

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