Service manual
Table Of Contents
- Cover
- Table of Contents
- Packaged Air Conditioners Duct Connection Type (High static Pressure Application) FD-K Series — Cooling Only —
- Part 1 Model Name and Power Supply
- Part 2 Functions
- Part 3 Specifications
- Part 4 Remote Controller (Optional Accessories)
- Part 5 Field Piping and Wiring
- Part 6 Function and Operation
- Part 7 Troubleshooting
- 1. Maintenance Inspections
- 2. How to Handle Request for Maintenance
- 3. Troubleshooting Based on Equipment Condition
- 3.1 Troubleshooting Based on Equipment Condition
- 3.2 Equipment does not Operate
- 3.3 Fan Operates, but Compressor does not.
- 3.4 Cooling Operation Starts but Stops Immediately.
- 3.5 After Equipment Shuts Down, It cannot be Restarted for a While.
- 3.6 Equipment Operates but does not Provide Cooling.
- 3.7 Equipment Discharges White Mist
- 3.8 Equipment Produces Loud Noise or Shakes
- 3.9 Equipment Discharges Dust.
- Part 8 Removal Procedure
- Part 9 Appendix
- Packaged Air Conditioners Duct Connection Type (High static Pressure Application) FDY-K(A) Series — Heat Pump —
- Part 1 Model Name and Power Supply
- Part 2 Functions
- Part 3 Specifications
- Part 4 Remote Controller
- Part 5 Field Piping and Wiring
- Part 6 Field Setting
- Part 7 Function and Operation
- Part 8 Troubleshooting
- 1. Maintenance Inspections
- 2. How to Handle Request for Maintenance
- 3. Troubleshooting Based on Equipment Condition
- 3.1 Troubleshooting Based on Equipment Condition
- 3.2 Equipment does not Operate
- 3.3 Fan Operates, but Compressor does not.
- 3.4 Cooling/Heating Operation Starts but Stops Immediately.
- 3.5 After Equipment Shuts Down, It cannot be Restarted for a While.
- 3.6 Equipment Operates but does not Provide Cooling.
- 3.7 Equipment Operates but does not Provide Heating.
- 3.8 Equipment Discharges White Mist
- 3.9 Equipment Produces Loud Noise or Shakes
- 3.10 Equipment Discharges Dust.
- 3.11 Remote Controller LCD Displays "88".
- 4. Procedure of Self-Diagnosis by Remote Controller
- 5. Procedure of Self-Diagnosis by LED
- 6. Troubleshooting by Remote Controller Display / LED Display
- 6.1 Explanation for Symbols
- 6.2 Malfunction Code and LED Display Table
- 6.3 Failure of Indoor Unit PC Board
- 6.4 Malfunction of Heat Exchange Temperature Sensor System
- 6.5 Malfunction of Suction Air Temperature Sensor System
- 6.6 Malfunction of Remote Controller Air Thermistor
- 6.7 Actuation of Safety Device
- 6.8 Actuation of Safety Device
- 6.9 Failure of Outdoor Unit PC Board
- 6.10 High Pressure System (HPS) Malfunction
- 6.11 Low Pressure System (LPS) Malfunction
- 6.12 Malfunction of Electronic Expansion Valve
- 6.13 Discharge Pipe Temperature Malfunction
- 6.14 Malfunction of High Pressure Switch
- 6.15 Malfunction of Low Pressure Switch
- 6.16 Malfunction of Outdoor Temperature Sensor System
- 6.17 Malfunction of Discharge Pipe Temperature Sensor System
- 6.18 Malfunction of Heat Exchanger Temperature Sensor System
- 6.19 Short of Gas Malfunction
- 6.20 Reverse Phase
- 6.21 Malfunction of Transmission (Between Indoor and Outdoor Unit)
- 6.22 Malfunction of Transmission (Between Indoor Unit and Remote Controller)
- 6.23 Transmission Error Between Main Remote Controller and Sub Remote Controller
- 6.24 Failure of Field Setting Switch
- Part 9 Appendix
- Index
- Drawings & Flow Charts
Si42-107 Thermistor Temperature and Resistance Conversion Table
Function and Operation 181
4;545
<4:"
4;545<
4:"
4:"
4:"
:()L.
4'(
4"
60)
5.4%4
%
4)=Ω.
:()L.
4'(
4"
60)
5.4%4
%
4)=Ω.
:()L.
4'(
4"
60)
5.4%4
%
4)=Ω.
,$! 1! $! -! - !
,! + ! + !! !$
,! +- !! ! 1
!! $$- ! -! ! 1
! 1 ! ! $!
! $! 1 ! +
$! 1 ! +$ !! +
! - -!! $ ! $1
!! ! -! ! $
! -$ -! -$ $! +
! -- -$! ! -
:(
)L.
/60
)=Ω.
:(
)L.
/60
)=Ω.
:(
)L.
/60
)=Ω.
:(
)L.
/60
)=Ω.
,$! !! !! + 1! !!
,! !! ! !1! 1$! ! -1
,! 1 $ ! !! 1 ! -1 ! -+
!! !$ $! 1 !!! - $! -
! + ! 1 !! - ! --
! $ !! + - !! !! -
$! +$ ! + !$! ! ! -!
! -! ! $$+ ! ! ! ! 1
!! + $! $$ !! 1$ $! +
! -1 ! +! ! 1! ! $
! -1! $!! ! $!!
$! -- $! 1 $! ! $! -
! - $! - ! +$ $!
!! 11 $$! ! !! + $$!
! $$- $ ! -1! ! $+ $ ! !
! +!! -$- ! $ +!! 1
$! ! +! --+ $! $! +! 1
! !$ +! - ! + +!
-!! +$! 1 -!! +$! +
-! $ - + ! + -! + ! $
-! ! !! -! !!
-$! ! ! -+ -$! $
- ! 1- 1! $1 - ! -