De'Longhi Adjustable Thermostat 250°C for Convector Radiators

1. Introduction

This manual provides essential information for the safe and effective installation, operation, and maintenance of your De'Longhi Adjustable Thermostat, Model 5210810031. This thermostat is designed as a replacement part for various De'Longhi oil radiators, vertical convector heaters, and fan heaters. Please read this manual thoroughly before proceeding with installation or use.

2. Safety Information

Always disconnect power to the appliance before attempting any installation, maintenance, or repair.
Installation should only be performed by a qualified technician or a person with adequate electrical knowledge.
Ensure the replacement thermostat matches the specifications of the original part.
Do not exceed the specified voltage and current ratings (250V 16A).
Keep children and pets away from the appliance during installation and operation.
Refer to the original appliance's instruction manual for specific safety guidelines.

3. Product Overview

The De'Longhi Adjustable Thermostat 5210810031 is a mechanical temperature control component. It features a rotary adjustment mechanism and electrical contacts for integration into heating appliances.

Front view of the De'Longhi adjustable thermostat, showing the rotary shaft and electrical ratings. — **Figure 1:** Front view of the thermostat, highlighting the rotary shaft and electrical specifications (WK-03, AC250V 16A).

Top view of the De'Longhi adjustable thermostat, showing the mounting brackets and the temperature sensor tip. — **Figure 2:** Top view, illustrating the mounting brackets and the temperature sensing element.

Side view of the De'Longhi adjustable thermostat, showing the electrical terminals and ceramic insulators. — **Figure 3:** Side view, detailing the electrical terminals for connection to the heating element.

Angled view of the De'Longhi adjustable thermostat, revealing the internal contact mechanism. — **Figure 4:** Angled view, providing a perspective on the internal contact system and adjustment spring.

4. Installation

This thermostat is a replacement component. Installation typically involves replacing an existing thermostat within a compatible De'Longhi heating appliance. Follow these general steps:

Power Disconnection: Ensure the heating appliance is unplugged from the power outlet.
Access: Carefully open the appliance casing to access the existing thermostat. Refer to your appliance's specific service manual for instructions on accessing internal components.
Removal of Old Thermostat: Disconnect the electrical wires from the old thermostat, noting their positions. Remove any mounting screws or clips securing the old thermostat.
Mounting the New Thermostat: Position the new De'Longhi 5210810031 thermostat in the designated location. Secure it using the original mounting hardware. Some adaptation, such as drilling new mounting holes, may be required if the mounting points do not align perfectly with the original thermostat. Ensure the thermostat is firmly fixed.
Wiring: Connect the electrical wires to the new thermostat's terminals, ensuring correct polarity and secure connections. The thermostat is rated for WK03 250V16A(75°)250°C VDE.
Reassembly: Carefully reassemble the appliance casing, ensuring all screws are tightened and no wires are pinched.
Testing: Plug the appliance back into the power outlet and test the thermostat's functionality.

Note: If you are unsure about any step, consult a qualified electrician or appliance repair technician.

5. Operation

Once installed, the thermostat controls the heating element of your appliance based on the desired temperature setting. The thermostat features a rotary dial for temperature adjustment.

Temperature Adjustment: Rotate the dial to select the desired temperature. Turning the dial clockwise typically increases the temperature setting, while turning it counter-clockwise decreases it.
Automatic Control: The thermostat will automatically switch the heating element on or off to maintain the set temperature.
Lockable Feature: This thermostat includes a lockable feature, which may prevent accidental changes to the temperature setting once it has been established. Refer to your appliance's manual for specific instructions on utilizing this feature.

6. Compatibility

This thermostat (Model 5210810031) is an original De'Longhi replacement part designed for a wide range of De'Longhi heating appliances, including oil radiators, vertical convector heaters, and fan heaters. To ensure compatibility, locate the identification plate on your appliance (usually on the underside) and verify the model number. If your appliance model is not explicitly listed below, please contact De'Longhi customer support for assistance.

Compatible De'Longhi Models (Partial List):

051263 M EX:2
061221ECH TOS EX:1
061221TE
061221TEC EX:1
061512 EX:1 115V
061521T
071221TEC TOS EX:1
0715 GREY
071521IVORY/GREY
081321TEC
081321TEC TOS EX:1
081505TEC TOS EX:1
081505TECEX:1
091521TEC
091524TEC TOS EX:1
102563 EX:2
2507
2507 115V
2507 220V
2507 EX:1
2507 L
250715
2507L EX:1
2507T
2507T EX:1
2907
2907T
2908C
3107
3107110V
310715V115
310912TE
311115TE
350812T
350812T/L
470812/G
510812T
615
61521
6507LEX:1
9707
9707 EX:1
9707 T
9707T
9707T EX:1
C770920
C771225
CH15
CH15F
CP1200
CP1500
CP2000
CP2400
CP2400T
DEL 1000
DEL 2400T
DL 1000
DL 1501
DL 2001
DL 2400T
DL 2401T
DL1000 EX:1
DL1001
DL1001T
DL1501T
DL2000 EX:1
DL2001T
DL2400T EX:1
EW 0507
EW 0507W
EW 0715W
EW 6507 110V
EW 6507 220V
EW 6507L
EW0507 EX:1
EW0507T
EW0715M
EW6507M
EW6507W
EW6507X
EW7707CB COMFORT-T
EW7707CB(120V)
EW7707CB(127V)
EW7707CB(220V)
EW7707CB-6A
EW7707CBC
EW7707CBM
EW7707CBM (COSTCO)
EW7707CM
EW7707CM (110V)
EW7707CM (220V)
EW7707CM COMFORT-T
EW7707CM-6A
EW7707CMC
EW7707CMM
EW9707
F1 15
F1 150TE
F1 15TE
F1 B
F1 C
F1 U
GS770510M
GS770715
GS770920
GS771225
H 190715
H 190715 EX:2
H 190920
H 191016 EX:2
H 191225 EX:2
H 291112ECF
H051013ECEX:1
H051115EC TOS EX:1
H110812TC
H110812TC TOS EX:1
H130715
H190715
H190915
H191115
H191425 EX:2
H250715 EX:2
H250715T EX:2
H250920 EX:2
H250920T EX:2
H290510M
H290610M
H290715
H290812EC TOS EX:1
H290912EC
H290912EC TOS EX:1
H290912ECF EX:1
H290912TE
H290920
H290920TE
H291115EC
H291115EC TOS EX:1
H291115ECFEX:1
H291115TE
H291224
H291224TE
H310812TDC
H310912TDC
H350812TC TOS EX:1
H350812TNC EX:1
H350812TQC
H770812EFS
H770812EFS-BL BLUE
H770812EFSN
H770812EFSN-BR
H770812EFSN-GY
H770812EFSN-OR
H770812EFS-OR
H770812EFS-R
H770812EFS-SP
H770812EFS-YW
H771015EFSN-BK 24H
H771423E
HBC 3032 EX:3
HBC3030
HBC3030 EX:2
HBC3030 EX:3
HBC3032
HBC3032 EX:2
HBC3032 EX:3
HBC3052T
HBC3052T EX:2
HBC3052T EX:3A
HBE3032
HBE3052T
HCO 420
HCO 420F
HCO 420FT
HCO 425F
HCO 620
HCO 620F
HCO 620FT
HCO 620T
HCO 625
HCO620F
HCO620FT
HCS 2552 FTS
HCS2030
HCS2032
HCS2032S
HCS2530F
HCS2550FTS
HCX3120FS
HCX3120FS EX:2
HCX3124FS
HCX3124FS EX:2
HCX3216FTS
HCX3224FTS
HJ0812-24H
HM25EX:1
HM25T
HMW 1200 EX:2
HR650812FS
HR650812TF
HR650812TS
HS15FM
HSX2320
HSX2320F
HSX2324
HSX2324F
HSX3315FTS
HSX3315FTS-6A
HSX3315FTSCA
HSX3320FS
HSX3320FS EX:2
HSX3320FTS
HSX3320FTS EX:2
HSX3320S
HSX3320S EX:2
HSX3324FS
HSX3324FTS
HSX3324S
HVERTICALE STYLE VF3030MD
HVerticale Style VF3031 White Grey
HVF3032
HVF3032-ARGOS
HVF3033MD
HVF3033MD EX:2
HVF3533B
HVF3533B EX:2
HVF3553TB
HVF3553TB EX:2
HVF3555TB
HVF3555TBL
JR0812.BR 24H
JR0812-CR 24H
JR0812-GR 24H-M
JR0812-GR 24H-M '20
JR0812-GY 24H-M
JR0812-OR-24H
JR0812-RD 24H-M
KH 050715P
KH 050920P
KH 050920TP
KH 051220P
KH 190715M
KH 190920
KH 190920T
KH 770510M
KH 770715
KH 770715T
KH 770720V
KH 770916
KH 770920
KH 770925V
KH 771120
KH 771216
KH 771225
KH 771230V
KH 771430
KH190715
KH190715 CAT.415/0482
KH190920 CAT.415/0499
KH190920T CAT.415/0509
KH390715CB-6A
KH390715CM
KH390715CM-6A
KH390715CMCA
KH530920 EX:2
KH770715
KH770715.BLACK
KH770715CB
KH770715CW COMFORT-T
KH770920
KH770920.BL
KH770920.BLACK
KH770920.BW
KH770920.O
KH770920CB
KH770920CW COMFORT-T
KH771220
KH771225
KH771225.BLACK
KH771225CB
KH771225CW COMFORT-T
KH771430CB
KH771530V
KR 790720V
KR 790925V
KR 791230V
KR790915V(110V)
KR790915V(110V)GREAT JUNGLE
KR791215V(110V)
KR791215V(110V) GREAT JUNGLE
M02
N 290510
N 290715
N 290920
N 291225
N 291430
N510715G
NJM0505
OFI 2212
OFI 2214
OFI 2215
OFI 2217
R 631112EF
R790812TFS
RHJ01A0505-DW
RHJ21F0812-WH
RHJ21F1015-BR
RHJ21F1015-LG
S 770510M
S 770715
S 770920
S 771225
SFA1040M
SFA2040
SFA2042
SFG 1030
SFG 1031
SFG1032
Slim Style HCX3220FTS
SLIM STYLE HCX3220FTS EX:2
TRH 0715
TRH0715
TRH0715-6A
TRH0715BKCA
TRH0715CA
TRH0715L
TRH0715M
TRH0715M(COPPEL)
TRH0715SH
TRNS0505M
TRNS0808M
VERTICALE ELITE HBE3551TCB
VERTICALE ELITE HBE3551TCB EX:2
VERTICALE STYLE HVF3030M Blue Grey
VERTICALE STYLE HVF3030M Orange Grey
VERTICALE STYLE HVF3030M Red Gray
VERTICALE STYLE HVF3030M Red Grey
VERTICALE STYLE HVF3030M RED GREY
VERTICALE STYLE HVF3030MD
VERTICALE STYLE HVF3030MD white
Verticale Style HVF3031
Verticale Style HVF3031 White Grey
Verticale Style HVF3051T
Verticale Style HVF3051T White Grey
Verticale Style HVF3552TB
VERTICALE STYLE HVF3552TB
Verticale Style HVF3552TB White Grey
VERTICALE Style HVF3555TB
VERTICALE STYLE HVF3555TB
VERTICALE Style HVF3555TBCA
W310912TDV
W350812TC
W350812TDV
WF1150TE
Kenwood 2307 K
Kenwood 2309 K
Kenwood 2312 K
Kenwood EW 0507K
Kenwood EW0507TK
Radel 930812T
Radel KH 230715
Radel M01 UL
Radel W930812T
Supercalor 610812T
Supercalor 7005 Bianco & Grigio
Supercalor 7010
Supercalor 7012 (prc)
Supercalor 890812T
Supercalor QS 10
Supercalor TCNce
Supercalor TCV 420V
Supercalor TCXce

7. Maintenance

The De'Longhi Adjustable Thermostat 5210810031 is designed for durability and requires minimal maintenance. However, regular checks of the appliance it is installed in are recommended.

Cleaning: Ensure the area around the thermostat within the appliance is free from dust and debris to allow for accurate temperature sensing. Always disconnect power before cleaning.
Connection Check: Periodically inspect the electrical connections to the thermostat for any signs of loosening or corrosion.
Functionality Test: Occasionally test the thermostat's ability to switch the heating element on and off by adjusting the temperature setting.

8. Troubleshooting

If you experience issues with your heating appliance after installing the thermostat, consider the following:

Problem	Possible Cause	Solution
Appliance does not heat	No power, incorrect wiring, faulty thermostat.	Check power supply. Verify wiring connections. Test thermostat continuity (if qualified).
Appliance heats continuously	Thermostat contacts stuck, incorrect installation.	Disconnect power immediately. Re-check installation. Replace thermostat if faulty.
Inaccurate temperature control	Thermostat sensor obstructed, faulty thermostat.	Ensure sensor area is clear. Consider thermostat replacement.
Thermostat dial feels loose or stiff	Mechanical issue with the dial or internal mechanism.	This indicates a potential defect. Replacement may be necessary.

For persistent issues, contact De'Longhi customer support or a qualified service technician.

9. Specifications

Model: 5210810031
Brand: De'Longhi
Type: Adjustable Thermostat
Maximum Temperature Rating: 250°C
Voltage: 110V - 220V (AC)
Current Rating: 16A (at 250V)
Special Feature: Lockable
Dimensions: Approximately 5.08 x 5.08 x 5.08 cm (2 x 2 x 2 inches)
Weight: Approximately 27.2 grams (0.96 ounces)
Power Source: Not battery-powered; operates via appliance's electrical supply.

10. Warranty and Support

For warranty information, please refer to the documentation provided with your original De'Longhi appliance or contact De'Longhi customer service directly. As this is a replacement part, its warranty may be subject to the terms of the original appliance or specific spare parts policies.

For technical support or further assistance, please visit the official De'Longhi website or contact their customer service department. You can often find contact information and support resources on the De'Longhi brand store page: De'Longhi Official Store.

De'Longhi 5210810031