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 Electric Function Parts
Functon and Operation 65
7-.
7-4%
'5!$*> '5! *> '5!*>
8 ( B:!!2>
-6- !,F!"#
B:$/,>
-6- !,F+=3
B:--/,>
-6- !,F1=3
*8 806 "%$,:'
!F
"%,-,:'
!F
&*,!B:,
!F
%'
8 8)5.
,<%:
6!,!F$ 3
3$ $!!
6!,!F$-!3
8 8)&.
,<%:
6!,!F$$3
3$ !!
6!,!F$1!3
8
:6(
%J-XL
%<J!L
%J-XL
%<J $XL
' 8 $µ4!!F µ4!!F
' 8 $µ4!!F µ4!!F
R' '6
'B,!!F
2 :6(6
)/60.
5:,-*
%J-XL
%<JXL
" 6)"06
.
2,/2
%J1
7!
,!
8
%<J$X!8
& 6)&
.
&2,B
%J,!!-X!!8
%<J!!X!!-8
!F
'5!$*:& '5! *:& '5!*:&
8 ( B:1!2
-6!F$!"#
B:-$/,
-φ!!F=3
B:-!!/,
-6!!F+=3
*8 806 "%,-,:'
!F
"%,-,:'
!F
&*,!B:,
!F
%' - $
8 8)5.
,<%:
6!,!F$!!3
3$ $!!
6!,!F$-!3
8 8)&.
,<%:
6!,!F$!!3
3$ !!
6!,!F$1!3
8
:6(
%J-XL
%<J!L
%J-XL
%<J $XL
' 8 $µ4!!F µ4!!F
' 8 $µ4!!F µ4!!F
R' '6
'B,!F
2 :6(6
)/60.
5:,-*
%J-XL
%<JXL
" 6)"06
.
2,/2
%J1
7!
,!
8
%<J$X!8
& 6)&
.
&2,B
%J,!!-X!!8
%<J!!X!!-8
!F