Panasonic WH-SDF16C9E8 [84/125] 4 indoor freeze up protection h99

16.5.14 Indoor Freeze-up Protection (H99)

Malfunction Decision Conditions:

During anti-freezing control in cooling operation, when the indoor refrigerant liquid temperature < 0°C.

Malfunction Caused:

1 Faulty water pump.

2 Insufficient water flow rate in system.

3 Water leak in system.

4 2 way valve partially closed.

5 Clogged expansion valve or strainer.

6 Refrigerant shortage (refrigerant leakage).

7 Faulty indoor refrigerant liquid temperature sensor.

8 Faulty indoor unit PCB (main).

Содержание

Indoor unit outdoor unit 1
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Table of contents 2
Carry out test run to confirm that no abnormality occurs after the servicing then explain to user the operation care and maintenance as stated in instructions please remind the customer to keep the operating instructions for future reference 3
Read the following safety precautions carefully before perform any servicing electrical work must be installed or serviced by a licensed electrician be sure to use the correct rating and main circuit for the model installed the caution items stated here must be followed because these important contents are related to safety the meaning of each indication used is as below incorrect installation or servicing due to ignoring of the instruction will cause harm or damage and the seriousness is classified by the following indications 3
Safety precautions 3
The items to be followed are classified by the symbols 3
Specifications 5
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Note heating capacities are based on outdoor air temperature of 7 c dry bulb 44 f dry bulb 6 c wet bulb 42 f wet bulb with controlled indoor water inlet temperature of 30 c and water outlet temperature of 35 c specification are subjected to change without prior notice for further improvement 6
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Note heating capacities are based on outdoor air temperature of 7 c dry bulb 44 f dry bulb 6 c wet bulb 42 f wet bulb with controlled indoor water inlet temperature of 30 c and water outlet temperature of 35 c specification are subjected to change without prior notice for further improvement 8
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Note heating capacities are based on outdoor air temperature of 7 c dry bulb 44 f dry bulb 6 c wet bulb 42 f wet bulb with controlled indoor water inlet temperature of 30 c and water outlet temperature of 35 c specification are subjected to change without prior notice for further improvement 10
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Note heating capacities are based on outdoor air temperature of 7 c dry bulb 44 f dry bulb 6 c wet bulb 42 f wet bulb with controlled indoor water inlet temperature of 30 c and water outlet temperature of 35 c specification are subjected to change without prior notice for further improvement 12
Features 13
Indoor unit 14
Location of control 14
Location of controls and components 14
Weekly timer setting 17
Setting up the special functions 18
Main components 19
Outdoor unit 19
Dimensions 20
Indoor unit 20
Outdoor unit 21
If piping length is over common length additional refrigerant should be added as shown in the table 22
Refrigeration and water cycle diagram 22
Block diagram 24
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Indoor unit 26
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Wiring connection diagram 26
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Outdoor unit 28
Electronic circuit diagram 29
Indoor unit 29
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Outdoor unit 31
Indoor unit 32
Main printed circuit board 32
Printed circuit board 32
Solar printed circuit board optional 33
Main printed circuit board 34
Outdoor unit 34
Noise filter printed circuit board 35
Indoor outdoor unit installation diagram 36
Installation instruction 36
Select the best location 36
How to fix installation plate 37
Indoor unit 37
Indoor unit installation 37
Install the indoor unit 37
To drill a hole in the wall and install a sleeve of piping 37
Water piping installation 37
Drain hose installation 38
Indoor unit refrigerant pipe installation 38
Connect the cable to the indoor unit 39
Wire stripping and connecting requirement 40
Connecting requirement 41
Connecting the piping 42
Install the outdoor unit 42
Outdoor unit 42
Evacuation of the equipment 43
Connect the cable to the outdoor unit 44
Wire stripping and connecting requirement 44
Disposal of outdoor unit drain water 45
Pipe insulation 45
Basic function 46
Heating operation 46
Internal water setting temperature 46
Operation and control 46
Tank mode operation 46
Thermostat control 46
Heat tank mode operation 48
Heating mode operation time chart 51
Setting water outlet temperature for heat mode 51
Water temperature thermo shift setting 51
Outdoor fan motor operation 52
Flow switch 53
Flow switch control 53
Pump down operation 53
Water pump 53
Water pump control 53
Auto restart control 54
Force heater mode operation 54
Indoor unit safety 54
Indoor unit safety control 54
Indication panel 55
Indoor back up heater control 55
Indoor electric heater control 55
Quiet operation 56
Sterillization mode 56
Tank booster heater control 56
Three way valve control 56
Solar operation 57
Solar operation control 57
Solar operation optional 57
Connection external room thermostat wire connection and thermo characteristic of siemen rev200 60
Control content external room thermostat control activate only when romote thermostat connection select yes by indoor control panel when indoor running heat mode refer thermo on off from heating line feedback and when indoor running cool mode refer thermo on off from cooling line feedback heatpump off immediately when receive thermo off feedback 60
External room thermostat control optional 60
Purpose 1 better room temperature control to fulfil different temperature request by external room thermostat recommended external room thermostat 60
Wire connection and thermo characteristic of siemen raa20 60
30 seconds forced operation 61
Compressor overheating prevention control 61
Ipm power transistor prevention control 61
Protection control 61
Protection control for all operations 61
Time delay safety control 61
Total running current control 61
0 crank case heater control 62
Deice operation 62
High pressure sensor control 62
Low frequency protection control 1 62
Low frequency protection control 2 62
Outdoor air temperature control 62
Outside temperature current control 62
Protection control for heating operation 62
Expansion vessel pre pressure checking 63
How to adjust water flow rate 63
Proper pump down procedure 63
Servicing mode 63
Test run 63
Maintenance guide 64
Refrigeration cycle system 66
Troubleshooting guide 66
Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started 67
Relationship between the condition of the air to water heatpump indoor and outdoor units and pressure and electric current 67
Breakdown self diagnosis function 68
Self diagnosis function three digits alphanumeric code 68
Error codes table 69
Connection capability rank abnormality h12 71
Self diagnosis method 71
Compressor tank temperature sensor abnormality h15 72
Indoor refrigerant liquid temperature sensor abnormality h23 73
Compressor low pressure protection h42 74
Water flow switch abnormality h62 75
Outdoor high pressure abnormality h64 76
Indoor backup heater olp abnormality h70 77
Tank temperature sensor abnormality h72 78
Indoor control panel communication abnormality h76 79
0 indoor outdoor abnormal communication h90 80
1 tank booster heater olp abnormality h91 81
2 unspecified voltage between indoor and outdoor h95 82
3 outdoor high pressure protection h98 83
4 indoor freeze up protection h99 84
5 outdoor high pressure switch activate f12 85
6 compressor rotation failure f14 86
7 outdoor fan motor dc motor mechanism locked f15 87
8 input over current detection f16 88
9 compressor overheating f20 89
0 ipm overheating f22 90
1 output over current detection f23 91
2 refrigeration cycle abnormality f24 92
3 four way valve abnormality f25 93
4 outdoor high pressure switch abnormal f27 94
5 outdoor air temperature sensor abnormality f36 95
6 indoor water inlet temperature sensor abnormality f37 96
7 outdoor discharge pipe temperature sensor abnormality f40 97
8 power factor correction pfc abnormality f41 98
9 outdoor pipe temperature sensor abnormality f42 99
0 outdoor defrost temperature sensor abnormality f43 100
1 indoor water outlet temperature sensor abnormality f45 101
2 outdoor current transformer open circuit f46 102
3 cooling high pressure overload protection f95 103
Disassembly and assembly instructions 104
To remove cabinet 104
To remove front plate 104
To remove control panel 105
To remove pressure gauge 105
To remove rccb 106
To remove transformer and electronic controller board 106
To remove pressure relief valve flow switch water pump and bottle complete 107
Operation characteristics 109
Technical data 109
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Hc heating capacity kw ip power input kw lwc leaving water condenser temperature c tamb ambient temperature c 117
Heating capacity table 117
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Hc heating capacity kw ip power input kw lwc leaving water condenser temperature c tamb ambient temperature c 118
Hydraulic pump performance 118
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Exploded view and replacement parts list 119
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Note all parts are supplied from phaam malaysia vendor code 00029488 o marked parts are recommended to be kept in stock 120
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Note all parts are supplied from phaam malaysia vendor code 00029488 o marked parts are recommended to be kept in stock 125
Phaam printed in malaysia syyw1009 00 125

Panasonic WH-SDF16C9E8 [84/125] 4 indoor freeze up protection h99

Содержание

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