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Mikrofill Extreme Series - User Manual

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H I G H E F F I C IEN C Y
H O T W A T E R SYST E M S
INS P I R E D E F F I C IEN C Y
EXTREME HIGH EFFICIENCY HOT WATER SYSTEMS with INJECTION DYNAMICS
TECHNICAL DOCUMENTATION
ISSUE 01/18 Rev. 01
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Summary

Technical Data

General Specifications

Key specifications including water content, weight, connections, power, and fuse protection for all models.

Dimensions

Physical dimensions (A-H) provided for EXTREME 200, 300, and 500 models.

Efficiency Details

Insulation thickness, standing losses per day/month, and energy efficiency class.

Water Quality Parameters

Specifications for acidity level and water hardness (pH, °dH, ofH, mmol/l CaCO₂).

Flow Characteristics

Peak Output Flow Characteristics

Graph showing heat input vs DHWS flow for 10-minute peak output at 60°C.

First Hour Continuous Flow

Graph showing heat input vs DHWS flow for first hour continuous operation at 60°C.

Continuous Operation Flow

Graph showing heat input vs DHWS flow for continuous operation at 60°C.

Primary Flow Characteristics

Graphs illustrating flow rate and resistance against kW rating input.

Overview

Product Description

Describes the Rapide Extreme as a domestic hot water generator, combining instantaneous and storage system advantages.

Key Advantages

Lists benefits such as constant hot water, high flow, legionella risk reduction, and optimized boiler operation.

Operation

Unit Operation Principle

Explains the cylinder, plate heat exchanger, loading pump, and connection points.

Loading and Temperature Control

Details the loading process, temperature requirements, and sensor functions (TT4, TT2, TT1).

Installation

Installation Requirements & Siting

Emphasizes professional installation per regulations and proper unit placement and floor support.

Over Heat Protection Device

Describes fitting a two-port spring return valve for cylinder overheat protection.

Under Pressure Protection

Recommends fitting protection against cylinder vacuum conditions.

Open Vented Applications

Discusses feed from storage tanks, pressure, and recommended strainers for open systems.

Unvented System Feed

Explains direct mains feed for unvented systems, including controls and thermal cut-out.

Discharge Arrangements

Provides examples of acceptable and safe discharge pipework for safety valves.

Discharge Pipe Sizing

Offers a worked example and table for sizing discharge pipes based on valve size and resistance.

Schematic Discharge Arrangement

Diagram illustrating the layout for safety device discharge pipework.

Mains Unvented Kit Valve

Details components of the unvented kit: pressure regulating valve, non-return valve, safety valve.

Multiple Unit Installation

Guidelines for parallel installation of multiple Rapide Extreme units for equal flow.

Electrical Connections

Wiring Schematic

Diagram showing controller connections for sensors, supply, and relays.

Electrical Data Summary

Key electrical specifications: supply voltage, frequency, fuse rating, and power.

Sensor Position Schematic

Diagram illustrating the placement of NTC temperature sensors (TT1, TT2, TT3, TT4).

Two Port Valve Wiring

Guide for wiring the two-port valve to the control PCB, including end switch connections.

Operation Status and Maintenance

Operating Status Codes

Explains various operational status indicators displayed by the unit (e.g., nL, nR, hL).

Maintenance Procedures

Information on unit maintenance, service valve usage, and internal cylinder cleaning.

Periodic Cleaning Intervals

Recommended intervals for periodic cleaning based on water hardness levels.

Fault Diagnosis and High Limit Protection

Diagnostic Mode Access

Instructions on how to enter diagnostic mode to view sensor readings and fault history.

Fault Codes and Actions

Lists fault codes, their meanings, troubleshooting actions, and priority levels.

High Limit Protection System

Details the manual reset high limit stat for preventing overheating and its operation.

Mikrofill Extreme Series Specifications

General IconGeneral
BrandMikrofill
ModelExtreme Series
CategoryWater System
LanguageEnglish

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