Daikin VAM 150FJVE User manual

Service
Manual
SiE00-01
Heat Recovery Ventilation
[Applied Models]
VAM 150FJVE
VAM 250FJVE
VAM 350FJVE
VAM 500FJVE
VAM 650FJVE
VAM 800FJVE
VAM1000FJVE
VAM1500FJVE
VAM2000FJVE

SiE00-01
Table of Contents i
Heat Recovery Ventilation
VAM 150FJVE
VAM 250FJVE
VAM 350FJVE
VAM 500FJVE
VAM 650FJVE
VAM 800FJVE
VAM1000FJVE
VAM1500FJVE
VAM2000FJVE

SiE00-01
ii Table of Contents
1. Introduction .............................................................................................v
1.1 Safety Cautions....................................................................................... v
Part 1 General Constructions .......................................................1
1. General Constructions ............................................................................2
1.1 Explanation..............................................................................................2
Part 2 Product Specification ........................................................5
1. Product Specification ..............................................................................6
1.1 Specification............................................................................................6
Part 3 Operation............................................................................9
1. Operation ..............................................................................................10
1.1 Explanation for Systems........................................................................10
1.2 Operation with The Remote Control
for Air Conditioning Operation HRV Units. (BRC301B61).....................11
Part Maintenance.....................................................................15
1. Maintenance..........................................................................................16
1.1 Maintenance for The Air Filter...............................................................16
1.2 Maintenance for The Heat Exchange Element......................................19
Part 5 Control Functions.............................................................21
1. Control Functions..................................................................................22
1.1 List of Control Functions........................................................................ 22
1.2 Explanation of Individual Functions.......................................................23
1.3 Layout of switches on Printed Circuit Board..........................................28
Part 6 Circuit Operations............................................................29
1. Circuit Operations .................................................................................30
1.1 Circuit Configuration..............................................................................30
1.2 Circuit Functions.................................................................................... 31
Part 7 Troubleshooting ...............................................................33
1. Troubleshooting ....................................................................................34
1.1 Error Code Indication............................................................................. 34
1.2 Overall Alarm......................................................................................... 35
1.3 Overall Malfunction................................................................................ 36
1.4 Indoor Air Thermistor Error.................................................................... 37
1.5 Outdoor Air Thermistor Error.................................................................38
1.6 Damper System Error (Alarm)............................................................... 39
1.7 Damper System Error (Alarm)............................................................... 40
1.8 Dedicated LCD Remote Controller........................................................41
1.9 Data Transmission Error
(Between LCD Remote Controller and Main Unit)................................. 42
1.10 Data Transmission Error (LCD Remote Controller)...............................43

SiE00-01
Table of Contents iii
1.11 Data Transmission Error (Between LCD Master Remote Controller
and Slave Remote Controller)...............................................................44
1.12 Field Setting Error..................................................................................45
1.13 Overlapping Central Control Address.................................................... 46
1.14 Main Unit PCB Assembly ......................................................................47
1.15 Dedicated LCD Remote Controller........................................................ 48
1.16 How to Check........................................................................................ 49
1.17 Thermistor ............................................................................................. 50
1.18 Power Transformer................................................................................ 51
1.19 Damper Motor........................................................................................52
Part 8 Supplementary Explanation.............................................53
1. Supplementary Explanation..................................................................54
1.1 Field Setting, Service Mode Operation..................................................54
Part 9 Appendix...........................................................................65
1. Appendix...............................................................................................66
1.1 Wiring Diagram...................................................................................... 66
Index .............................................................................................i
Drawings & Flow Charts ................................................................v

SiE00-01
iv Table of Contents

SiE00-01 Introduction
v
1. Introduction
1.1 Safety Cautions
Cautions and
Warnings 
Be sure to read the following safety cautions before conducting repair work.

The caution items are classified into “ Warning ” and “ Caution ”. The “ Warning ” items
are especially important since they can lead to death or serious injury if they are not followed closely.
The “
Caution ” items can also lead to serious accidents under some conditions if they are not
followed. Therefore, be sure to observe all the safety caution items described below.

About the pictograms
This symbol indicates an item for which caution must be exercised.
The pictogram shows the item to which attention must be paid.
This symbol indicates a prohibited action.
The prohibited item or action is shown inside or near the symbol.
This symbol indicates an action that must be taken, or an instruction.
The instruction is shown inside or near the symbol.

After the repair work is complete, be sure to conduct a test operation to ensure that the equipment
operates normally, and explain the cautions for operating the product to the customer

Introduction SiE00-01
vi
1.1.1 Cautions in Operation and Maintenance

SiE00-01 Introduction
vii

Introduction SiE00-01
viii
1.1.2 Using Icons
Icons are used to attract the attention of the reader to specific information. The meaning of each icon is
described in the table below:
1.1.3 Using Icons List
Icon Type of
Information Description
Note:
Note A “note” provides information that is not indispensable, but may
nevertheless be valuable to the reader, such as tips and tricks.
Caution
Caution A “caution” is used when there is danger that the reader, through
incorrect manipulation, may damage equipment, loose data, get an
unexpected result or has to restart (part of) a procedure.
Warning
Warning A “warning” is used when there is danger of personal injury.
Reference A “reference” guides the reader to other places in this binder or in this
manual, where he/she will find additional information on a specific topic.

SiE00-01
General Constructions 1
Part 1
General Constructions
1. General Constructions ............................................................................2
1.1 Explanation..............................................................................................2