Fujitsu WATERSTAGE 112 User Manual

29/01/2010
Watersta
g
e 3
p
hase
Air/Water Heat Pump
Split System, Single Service 3 phase
112, 140 and 160
Document 1394-1 ~ 29/01/2010
Maintenance
Document
Intended for
professional use
Fujitsu General (Euro) GmbH
Werftstrasse 20
40549 Düsseldorf - Germany
Subject to change without notice
Non contractual document
EN
FR NL DE IT

Fujitsu WATERSTAGE 112 Specifications

General

Category	Air Conditioner
Cooling Capacity	11.2 kW
Heating Capacity	12.5 kW
Outdoor Unit Weight	65 kg
Sound Pressure Level (Outdoor)	52 dB(A)

Summary

Installation Rules

2.1 Heat Pump

2.1.1 Outdoor Units

2.1.2 Hydraulic Unit

2.3 Electrical Connections

Precautions and overview of electrical connections for the heat pump system.

2.3.1 Installation Precautions

Important safety and installation precautions for electrical connections.

2.3.2 Electrical Connection Overview

2.3.3 Hydraulic Unit Connection Diagram

Getting Started

3.1 Checks

Pre-startup checks for the outdoor unit, hydraulic unit, and systems.

3.3 Operating Modes

3.6 Test Mode

Faults

4.1 Fault List

List of hydraulic unit faults with designation, location, reset type, and operation.

4.2 Outdoor Unit Clearing

Procedures for clearing common outdoor unit faults with error codes.

4.4 Service parts information

Failures

5.1 Hydraulic, Electric and Refrigeration Systems

Common failures and troubleshooting for hydraulic, electric, and refrigeration systems.

Outdoor unit does not defrost

Troubleshooting steps when the outdoor unit fails to defrost.

Defrosting

5.4 Troubleshooting

General troubleshooting steps for when the heat pump is not operating.

Control Settings

6.2 Function Table

6.3 Adjustment Function Details

Detailed explanation of adjustable functions and parameters.

6.3.3 Time Program Functions (heating circuit 1 & 2, DHW, cooling)

6.3.4 Heating Circuit 1 & 2 Functions

Heating Curve

Explanation of heating curve settings and their impact on flow temperature.

6.3.5 Cooling Circuit 1 Functions

6.3.6 DHW Functions

6.3.8 Heat Pump Functions

6.3.9 DHW Tank Functions

6.3.10 Configuration Functions

6.3.11 Error Functions

Functions for displaying and managing errors.

6.3.12 Maintenance / Special Operating Mode Functions

Functions for periodic maintenance and special operating modes.

6.3.13 Input / Output Testing Functions

6.3.14 Status Functions

6.3.15 Generator Diagnosis Functions

6.3.16 Consumer Diagnosis Functions

Annual Maintenance Services

7.1 Hydraulic Circuit

Annual maintenance tasks for the hydraulic circuit.

7.2 Outdoor unit

Annual maintenance tasks for the outdoor unit.

7.3 Electrical

7.4 Operating checks

Connection Diagrams

8.1 Connection Diagram of Hydraulic Unit

Wiring diagram for the hydraulic unit's components and connections.

8.2 Connection Diagram of Outdoor Unit

Wiring diagram for the outdoor unit's components and PCBs.

Disassembly Process of Outdoor Unit

9.2 Service panel removal

9.3 Insulation sheet removal

9.4 Main PCB removal

Step-by-step instructions for removing the main PCB.

9.5 INVERTER, PFC, FILTER, and CAPACITOR PCB removal

Instructions for removing the INVERTER, PFC, FILTER, and CAPACITOR PCBs.

9.6 FAN MOTOR removal

Step-by-step instructions for removing the fan motor.

9.7 TOP PANEL removal

9.8 PIPE COVER FRONT removal

9.9 RIGHT PANEL removal

9.10 REACTOR removal

9.11 THERMISTOR removal

Instructions for removing thermistors.

9.12 SOLENOID COIL removal

Instructions for removing solenoid coils.

9.13 EEV COIL removal

Instructions for removing EEV coils.

9.14 PRESSURE SENSOR removal

Step-by-step instructions for removing the pressure sensor.

9.15 COMPRESSOR removal

Precautions and procedure for removing the compressor.

9.16 Precautions for exchange of refrigerant-cycle-parts

Important precautions for handling refrigerant cycle parts during work.

Related Documents

12.1 Quick-Start Procedure

Step-by-step guide for initial setup and startup of the Hydraulic Unit.

12.2 Startup Checklist

Comprehensive checklist for verifying installation and startup readiness.

12.3 Settings Sheet

12.4 Startup Data Sheet