Table of contents
Split ODU – 6 720 817 722 (2015/06)
2
Table of contents
1
Key to symbols and safety instructions . . . . . . . . . . . . . . . . . . . 2
1.1
Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2
General safety instructions . . . . . . . . . . . . . . . . . . . . . . . . 2
2
Error handling instructions for Split outdoor unit . . . . . . . . . . 3
2.1
Names of units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2
List of error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.3
Error code 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3.1
Error diagnosis and countermeasure flow chart . . . . . . . 5
2.4
Error code 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4.1
Error diagnosis and countermeasure flow chart . . . . . . . 8
2.5
Error code 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.5.1
Error diagnosis and countermeasure flow chart . . . . . 11
2.6
Error code 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.6.1
Error diagnosis and countermeasure flow chart . . . . . 14
2.7
Error code 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.7.1
Error diagnosis and countermeasure flow chart . . . . . 17
2.8
Error code 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.8.1
Error diagnosis and countermeasure flow chart . . . . . 20
2.9
Error code 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.9.1
Error diagnosis and countermeasure flow chart . . . . . 21
2.10
Error code 35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.10.1 Error diagnosis and countermeasure flow chart . . . . . 22
2.11
Error code 41, 44, 45, 46, 48 . . . . . . . . . . . . . . . . . . . 23
2.11.1 Error diagnosis and countermeasure flow chart . . . . . 23
2.12
Error code 43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2.12.1 Error diagnosis and countermeasure flow chart . . . . . 24
2.13
Error codes 52, 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.13.1 Error code 52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.13.2 Error code 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2.14
Error code 54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2.15
Error code 60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2.16
Error code 61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.16.1 Error diagnosis and countermeasure flow chart . . . . . 29
2.17
Error code 62, 65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2.17.1 Error diagnosis and countermeasure flow chart . . . . . 30
2.18
Error code 67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
2.18.1 Error diagnosis and countermeasure flow chart . . . . . 32
3
Check compressor resistances . . . . . . . . . . . . . . . . . . . . . . . . 34
4
Compressor replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5
Check system parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6
Electronic expansion valve . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
7
Fan motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
8
Replacement procedure for INV PCB . . . . . . . . . . . . . . . . . . . 39
9
Other pre - checkings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
1
Key to symbols and safety instructions
1.1
Key to symbols
Warnings
The following keywords are defined and can be used in this document:
•
NOTICE
indicates a situation that could result in damage to property
or equipment.
•
CAUTION
indicates a situation that could result in minor to medium
injury.
•
WARNING
indicates a situation that could result in severe injury or
death.
•
DANGER
indicates a situation that will result in severe injury or
death.
Important information
Additional symbols
1.2
General safety instructions
These installation instructions are intended for plumbers, heating
engineers and electricians.
▶ Read any installation instructions (outdoor unit, heating controls,
etc.) carefully before starting the installation.
▶ Observe the safety instructions and warnings.
▶ Observe national and regional regulations, technical rules and
guidelines.
▶ Record all work carried out.
Intended use
This outdoor unit must only be used as a heat appliance in a sealed hot
water heating system for domestic purposes.
Any other use is considered inappropriate. Any damage that results from
such use is excluded from liability.
Installation, commissioning and servicing
Installation, commissioning and servicing must only be carried out by an
authorised contractor.
▶ Only use original spares.
Electrical work
Electrical work must only be carried out by qualified electricians.
▶ Before starting electrical work:
– Isolate all poles of the mains voltage and secure against
reconnection.
– Using suitable means, test that the power supply is disconnected.
▶ Also see connection diagrams of other system components.
Warnings in this document are identified by a warning
triangle printed against a grey background.
Keywords at the start of a warning indicate the type and
seriousness of the ensuing risk if measures to prevent
the risk are not taken.
This symbol indicates important information where
there is no risk to people or property.
Symbol
Explanation
▶
Step in an action sequence
Cross-reference to another part of the document
•
List entry
–
List entry (second level)
Table 1
