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Model
WH-SDC03H3E5-1 WH-SDC05H3E5-1 WH-SDC07H3E5-1 WH-SDC09H3E5-1 WH-UD03HE5-1 WH-UD05HE5-1 WH-UD07HE5-1 WH-UD09HE5-1
Pages
127
Size
17.29 MB
Type
PDF
Document
Simplified Service Manual
Brand
Device
Air Conditioner / AIR-TO-WATER HEATPUMP
File
wh-sdc03h3e5-1-wh-sdc05h3e5-1-wh-sdc07h3e5-1-wh-sd.pdf
Date

Panasonic WH-SDC03H3E5-1 / WH-SDC05H3E5-1 / WH-SDC07H3E5-1 / WH-SDC09H3E5-1 / WH-UD03HE5-1 / WH-UD05HE5-1 / WH-UD07HE5-1 / WH-UD09HE5-1 Simplified Service Manual ▷ View online

17 
Item 
Unit 
Indoor Unit 
Performance Test Condition 
EN 14511 
Operation Range 
Outdoor Ambient 
°C 
Cooling: 16 ~ 43 
Heating: -20 ~ 35 
Water Outlet 
°C 
Cooling: 5 ~ 20 
Heating: 20 ~ 55 
Internal Pressure Differential 
kPa 
Cooling: 24.0 
Heating: 39.5 
Noise Level 
Condition 
(Ambient/Water)
A35W7 A7W35  A2W35 
dB (A) 
Cooling: 30 
Heating: 30 
Power Level dB 
Cooling: 43 
Heating: 43 
Dimension 
Height 
mm (inch) 
892 (35-1/8) 
Width 
mm (inch) 
500 (19-11/16) 
Depth 
mm (inch) 
340 (13-13/32) 
Net Weight 
kg (lbs) 
44 (97) 
Refrigerant Pipe Diameter 
Liquid 
mm (inch) 
6.35 (1/4) 
Gas 
mm (inch) 
15.88 (5/8) 
Water Pipe Diameter 
Inlet 
mm (inch) 
31.75 (1-1/4) 
Outlet 
mm (inch) 
31.75 (1-1/4) 
Water Drain Hose Inner Diameter 
mm (inch) 
12 (15/32) 
Pump 
Motor Type 
 
DC Motor 
No. of Speed 
 
7 (Software Selection) 
Input Power 
68 
Hot Water Coil 
Type  
Brazed 
Plate 
No. of Plates 
 
48 
Size (W × H × L) 
mm 
82 × 93 × 325 
Water Flow Rate 
l/min (m
3
/h) 
Cooling: 20.1 (1.2) 
Heating: 25.8 (1.5) 
Pressure Relief Valve Water Circuit 
kPa 
Open: 300, Close: 266 and below 
Flow Switch 
 
Electronic Sensor 
Protection Device 
Residual Current Circuit Breaker (30 ~ 40) 
Expansion Vessel 
Volume I 
10 
MWP bar 
Capacity of Integrated Electric Heater 
kW 
3.00 
Note: 
  Cooling capacities are based on outdoor air temperature of 35°C Dry Bulb with controlled indoor water inlet 
temperature of 12°C and water outlet temperature of 7°C. 
  Heating capacities are based on outdoor air temperature of 7°C Dry Bulb (44.6°F Dry Bulb), 6°C Wet Bulb 
(42.8°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. 
  Flow rate indicated are based on nominal capacity adjustment of leaving water temperature (LWT) 35°C and  
=5°C 
 
 
 
18 
3. Features 
 
  Inverter Technology 
 
- Energy saving 
 
  High Efficiency 
 
  Compact Design 
 
  Environment Protection 
 
- Non-ozone depletion substances refrigerant (R410A) 
 
  Long Installation Piping 
 
- Long piping up to 15 meter with height difference 5 meter 
 
- Flexible 4-way piping for outdoor unit 
 
  Easy to use control panel 
 
  Weekly Timer setting 
 
  Quality Improvement 
 
- Random auto restart after power failure for safety restart operation 
 
- Gas leakage protection 
 
- Prevent compressor reverse cycle 
 
- Inner protector to protect compressor 
 
  Serviceability Improvement 
 
- Breakdown Self Diagnosis function 
 
- System Status Check Buttons for servicing purpose 
 
- System Pumpdown Button for servicing purpose 
 
- Front maintenance design for outdoor unit 
 
  Operation Condition 
 
 
Indoor Outdoor 
Water outlet temperature (°C) 
Ambient temperature (°C) 
COOLING 
Maximum 20 
43 
Minimum 5 
16 
HEATING 
Maximum 55 
35 
Minimum 20 
-20 
 
 
NOTICE : When the outdoor temperature is out of the above temperature range, the heating capacity will drop significantly  
and outdoor unit might stop for protection control. 
 
19 
4.  Location of Controls and Components 
4.1 Indoor 
Unit 
4.1.1 
Location of Control 
 
 
Buttons / Indicator
Water pressure gauge
• Do not press or hit the glass cover using hard
and sharp objects. Failure to do so may cause
damage to the unit.
• Ensure that the water pressure is between 0.05
and 0.3 MPa (0.1 MPa = 1 bar).
• In case the water pressure is out of the above
range, consult an authorised dealer.
1
Quick Menu button
(For more details, refer to the separate
Quick Menu Guide.)
Back button
Returns to the previous screen
LCD Display
Main Menu button
For function setup
ON/OFF button
Starts/Stops operation
6
Operation indicator
Illuminates during operation, blinks during
alarm.
Press centre
No glove
No pen
2
1
4
5
6
3
Cross key buttons
Selects an item.
Enter button
Fixes the selected content.
Up
Down
t
h
g
i
R
tf
e
L
0.2
0.4
0.3
0.1
MPa
bar
2
3
1
4
23
1
44
40
10:34am, Mon
18
˚
c
˚
c
˚
c
˚
c
2
 
20 
Display
Mode selection
AUTO
• Depending on the preset outdoor
temperature, the system selects
HEAT or *
1
 COOL operation mode.
Auto Heat
Auto Cool
*
1,
*
2
COOL
• The fan coil unit is either turned
ON or OFF.
• The outdoor unit provides cooling
to the system.
AUTO
+ TANK
• Depending on the preset outdoor
temperature, the system selects
HEAT + TANK or *
1
 COOL + TANK
operation mode.
Auto Heat
Auto Cool
*
1,
*
2
COOL
+ TANK
• The outdoor unit provides cooling
to the system.
• The system controls the booster
heater in the water tank.
HEAT
• The panel/floor HEAT operation is
either turned ON or OFF.
• The outdoor unit provides heat to
the system.
TANK
• The water tank is either turned
ON or OFF.
• The outdoor unit provides heat to
the water tank.
HEAT
+ TANK
• The outdoor unit provides heat to
the water tank and the system.
• This mode can be selected only
when the water tank is installed.
* The direction icons point to the currently
active mode.
• Room operation / Tank operation.
• Deice operation.
Operation icons
The status of operation is displayed.
Icon will not display (under operation OFF screen) whenever operation is OFF except weekly timer.
Holiday operation status
Weekly Timer operation status
Quiet operation status
Zone:Room Thermostat
→Internal sensor status
Powerful operation status
Demand Control or
SG ready or SHP status
Room Heater status
Tank Heater status
Solar status
Bivalent status
(Boiler)
*1 The system is locked to operate without COOL mode. It can be unlocked only by authorised installers or our authorised service  partners.
*2 Only displayed when COOL mode is unlocked (This means when COOL mode is available).
Temperature of each zone
Time and day
Water Tank temperature
Outdoor temperature
Sensor type/Set temperature type icons
Water Temperature
→Compensation curve
Water Temperature
→Direct
Pool only
Room Thermostat
→External
Room Thermostat
→Internal
2
4
1
5
6
7
23
1
44
40
10:34am, Mon
18
˚
c
˚
c
˚
c
˚
c
2
3
 
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