Connection tables

Here you will find a number of connection tables, if your brand or type of central heating boiler is not listed, please feel free to contact us.

atag

 
Type On off Round Opentherm
A-series (all begin Apr. 2009) And 3 in 4 N.V.T. N.V.T.
A-serie Z-ready (vanaf begin apr. 2009) And 3 in 4 N.V.T. And 1 in 2
E-series (until early Apr. 2009) And 22 in 23 And, 1) 22 in 23 N.V.T.
E-series Z-ready (from early Apr. 2009) And 3 in 4 N.V.T. N.V.T.
E-serie Z-ready (vanaf febr. 2013) And 3 in 4 N.V.T. And 1 in 2
Q-serie: Q/Q-CC/Q-Solar And 22 in 23 And, 1) 22 in 23 N.V.T.
Enigma E-SHR And 22 in 23 And, 1) 22 in 23 N.V.T.
Enigma Comfort E-SHR And 22 in 23 And, 1) 22 in 23 N.V.T.
Enigma Standard E-SHR And 2 in 3 And 3) 2 in 3 N.V.T.
Perfect II PF-SHR And 2 in 3 And 3) 2 in 3 N.V.T.
Perfect Intelligence PF-SHR And 22 in 23 And, 1) 22 in 23 N.V.T.
Blue Angel II S-HR And 22 in 23 And, 1) 22 in 23 N.V.T.
HR39T/27T And 1 in 2 And 1 in 2 N.V.T.
VR18T/30T/48T And 1 in 2 And 1 in 2 N.V.T.
BE-series: CZA / CMA / 350, 351, 352, 650, 651, 652,952 And 1 in 2 And 1 in 2 N.V.T.
50-series And 1 in 2 And 1 in 2 N.V.T.
HR Solar Gas Combi HR -ZGC And 22 in 23 And 3) 22 in 23 N.V.T.
SHR Solar gas Combi II SHR -ZGC And 22 in 23 And, 1) 22 in 23 N.V.T.
XL-serie And 7 in 8 N.V.T. And 7 in 8
(1) Resistance cable between terminals 23 and 27.
(3) Resistance cable between terminals 22 and 27.

 

Intergas

Type On off Round Opentherm
Kombi Kompakt HRE 24/18, 28/24, 36/30 (RF2) (1) And 6 and 7 (ct) And 6 and 7 (ct) And 11 in 12
Kombi Kompakt HR 22, 28, 28/24, 36/30 And 6 and 7 (ct) And 6 and 7 (ct) And 11 in 12
Compact Solo HRE 12, 18, 24 and 30 And 6 and 7 (ct) And 6 and 7 (ct) And 11 in 12
Compact Solo HR 12, 22 and 28 And 6 and 7 (ct) And 6 and 7 (ct) And 11 in 12
Compact Tap HR And 6 and 7 (ct) And 6 and 7 (ct) And 11 in 12
Prestige CW 5/6 And 6 and 7 (ct) And 6 and 7 (ct) And 11 in 12
HR/HRW 220/250/280 And 6 and 7 (ct) And 6 and 7 (ct) N.V.T.
HR / HRW Comfort Line 250/280 And 6 and 7 (ct) And 6 and 7 (ct) N.V.T.
H22 Low NOx-ps VRS, (W)/VRM (W)/VRT (W) And 6 and 7 (ct) And 6 and 7 (ct) N.V.T.
G22E Low NOx-ps E /VR /VRT VR-Tronic And 6 and 7 (ct) And 6 and 7 (ct) N.V.T.
G32/42 VR (W)/VR-Tronic And 6 and 7 (ct) N.V.T. N.V.T.

 

Itho Daalderop

Type On off Round Opentherm
Aqua-Max And 1 in 2 And 1 in 2 And 1 in 2
Climax And 5 in 6 And 5 in 6 And 7 in 8
Kli-Max 2 And 3 in 4 And 3 in 4 And 1 in 2
HR Gas combi series And K1 (2x) (1) And K1 (2x) (1) And K3 (2x)
Multisolar series And K1 (2x) (1) And K1 (2x) (1) And K3 (2x)
CombiFort And K1 (2x) (1) And K1 (2x) (1) And K3 (2x)
CombiFort 2nd room thermostat And K2 (2x) (1) N.V.T. N.V.T.
CombiPact And K1 (2x) (1) And K1 (2x) (1) And K3 (2x)
CombiPact 2nd room thermostat And K2 (2x) (1) N.V.T. N.V.T.
Comfort Classic And K1 (2x) (1) And K1 (2x) (1) And K3 (2x)
Comfort Classic 2nd room thermostat And K2 (2x) (1) N.V.T. N.V.T.
CombinAir- zone 1 (LT) And K1 (2x) (1) And K1 (2x) (1) N.V.T.
CombinAir- zone 2 (HT) And K2 (2x) 1)     N.V.T.
HP Cube - zone 1 (LT) And divider 2 + 3 N.V.T. And Via Base Cube
HP Cube - see Base Cube 2nd thermostat N.V.T. N.V.T. N.V.T.
HP Cool Cube - zone 1 LT And divider 2 + 3 N.V.T. And Via Base Cube
HP Cool Cube - see Base Cube 2nd thermostat N.V.T. N.V.T. N.V.T.
Basic Cube (until September 2011) And Contact 1 + 2 N.V.T. And Contact 3 + 4
Basic Cube (Duo) And Contact 3a + 3b And Contact 3a + 3b And Contact 2a + 2b
Basic Cube (Duo) 2nd room thermostat And Contact 4a + 4b N.V.T. N.V.T.

(1) Room thermostat connection.

 

Nefit

Type On off Opentherm Nefit Easy
TrendLine (All Versions) And 1 and 2 green And Via EMS-OT converter (1) (orange connection) And Thermostat on orange terminal block
TopLine I / II EN 25/30/45 And 1 and 2 green And Via EMS-OT converter (1) (orange connection) And Thermostat on orange terminal block
TopLine I / II HR 70/100 And 5 and 6 green And Via EMS-OT converter (1) (orange connection) And Thermostat on orange terminal block
TopLine Single I / II And 1 and 2 green And Via EMS-OT converter (1) (orange connection) And Thermostat on orange terminal block
TopLine Compact I/II HRC 25/CW4 30/CW5 And 1 and 2 green And Via EMS-OT converter (1) (orange connection) And Thermostat on orange terminal block
TopLine AquaPower I / II (Plus) HRC And 1 and 2 green And Via EMS-OT converter (1) (orange connection) And Thermostat on orange terminal block
ProLine HRC24/CW3 and HRC24/CW4 And 1 and 2 green And Via EMS-OT converter (1) (orange connection) And Thermostat on orange terminal block
ProLine NxT HRC 24/CW3, 24/CW4 And 1 and 2 green And Thermostat on orange terminal block And via nefit connect (2)
 
Central heating boilers no longer in production
Ecomline Excellent HR(C) And 1 in 2 N.V.T. And via nefit connect (2)
Ecomline Classic HR(C) And 1 in 2 N.V.T. And via nefit connect (2)
SmartLine Basic HR(C) 24/CW3/CW4 And 1 and 2 green And Via EMS-OT converter (1) (orange connection) And Thermostat on orange terminal block
Turbo HR(C) And 1 in 2 N.V.T. N.V.T.
Ecomline VRC 24V(S) And 1 in 2 N.V.T. N.V.T.
HRC23VT And 1 in 2 N.V.T. N.V.T.
Ecomline Economy HR(C) 23V/28V And 1 in 2 N.V.T. And via nefit connect (2)
Economy HR(C) And 1 in 2 N.V.T. And via nefit connect (2)
VR FC 2520/3030 V/S (C) And 5 in 6 N.V.T. N.V.T.
VR FC 2510 V/S (C) And Knows N.V.T. N.V.T.
Ecomline Elite HRC 24/CW4, 30/CW5 And 5 and 6 green N.V.T. N.V.T.
SmartLine HR11/24, HRC 24/CW4/CW3 And 1 and 2 green And Via EMS-OT converter (1) (orange connection) And Thermostat on orange terminal block
Economy VR(C) And 1 in 2 N.V.T. And via nefit connect (2)
(1) EMS-OT converter available here
(2) Nefit connect available here

 

Remeha

Type On off Round Opentherm
Tzerra / Tzerra More And On / off-OT And On / off-OT And On / off-OT
Soar And 3 in 4 And 3 in 4 And 3 in 4
Aquanta And 7 in 8 And 7 in 8 And 7 in 8
Hot And On / Off - OT And On / Off - OT And On / Off - OT
Thursday 25/28/30/35 Combi And 3 in 4 And 3 in 4 (1) And 1 in 2
Fifth 25/30/45/65/85 Only And 3 in 4 And 3 in 4 (1) And 1 in 2
Thursday Pro And On / Off - OT And On / Off - OT And On / Off - OT
W21 Combi / Solo N.V.T. N.V.T. N.V.T.
ECO And 3 in 4 And 3 in 4 And 1 in 2
W28 Combi / Solo N.V.T. N.V.T. N.V.T.
ECO And 3 in 4 And 3 in 4 And 1 in 2
W40 to W60 Eco And 1 in 2 And 1 in 2 N.V.T.
W40-m to W60-m N.V.T. N.V.T. N.V.T.
Eco And 1 in 2 And 1 in 2 And 13 in 14
Select (PLUS) And 2 in 3 And 2 in 3 (2) And 5 in 6
W23 Combi And 1 in 2 N.V.T. N.V.T.
W23 Only And 20 in 21 N.V.T. N.V.T.
Micron 1 in 2 And A en B N.V.T. N.V.T.
Micron Combi And 2 in 3
of A and B
N.V.T. N.V.T.
Optimum Solo And 20 in 21 N.V.T. N.V.T.
Optimum Combi And 20 in 21 N.V.T. N.V.T.
Gas 1DXR And 10 in 11 N.V.T. N.V.T.
Gas 1DXR-E And 9 in 10 N.V.T. N.V.T.
(1) 220 Ω/7W resistor between terminals 3 and 11.
(2) 220 Ω/7W resistor between terminals 1 and 4.

 

Valiant

Type On off Round Opentherm
ecoTEC plus VHR 20-24/25-30/30-34 And RT 24 And RT 24 And OT and ground on supplied OpenTherm module VR33
ecoTEC classic VHR CW 3/5, 3/5 EXP, 4/5, 4/5 EXP, 5/5 And RT 24 And RT 24 And Only with optional Opentherm module VR33 art. no 0020017859
ecoTEC pro VHR CW 3/5, 3/5 EXP, 4/5, 4/5 EXP And RT 24 And RT 24 And Only with optional Opentherm module VR33 art. no 0020017859 (1)
hrPRO serie VHR CW 3/3, 4/3, 4/3 EXP And 3 in 4 And 3 in 4 And Only with optional Opentherm module VR33 art. no 0020017859
hrSOLIDE (2000 - 2006) VHR 10S, 18S, 24S, 18-22C en 24-28 C And 3 in 4 And 3 in 4 (2) And A en B (4)
hrSOLIDE (2006 onwards) VHR 18-22/3, CVHR 24-28/3, 30-34/3, 34/3 IC And 3 in 4 And 3 in 4 And Only with optional Opentherm module VR33 art. no 0020017859 (1)
hrSOLIDEplus VHR 18-22/3-5, 24-28/3-5, 30-34/3-5, 34/3-5 And 3 in 4 And 3 in 4 And OT and ground on supplied OpenTherm module VR33
hrEXCLUSIEF VHR 35 S, 35 C, 45 S, 65 S And 3 in 4 And 3 in 4 (2) N.V.T.
hrEXCLUSIEF (vanaf 2006) VHR 20/4 S, 25/4 S, 35/4 S, 30/4 C, 35/4 C, 45/4 S, 65/4 S And 3 in 4 And 3 in 4 And Only with optional Opentherm module VR33 art. no 0020017859 (1)
thermoCOMPACT (from 2008) VC 454/4, 255/4, VCW 254/4, 255/4 And 3 in 4 And 3 in 4 N.V.T.
thermoCOMPACT VC 254/3, 255/3, VCW 254/3, 255/3, CWK 245/3 And 3 in 4 And 3 in 4 (2) N.V.T.
thermoCOMPACT HR VU 18 / 6E, 23 / 6E, VUW 18-22 / 6E, 23-28 / 6E And 3 in 4 (3) And 3 in 4 (2) (3) N.V.T.
thermo COMPACT 2000/2 VC 254 XE, 255 E, VCW 254 XE, 255 E And 3 in 4 And 3 in 4 (2) N.V.T.
thermo COMPACT 2000 VC 254 XE, 255 E, VCW 254 XE, 255 E And 3 in 4 (3) And 3 in 4 (2) N.V.T.
thermo COMPACT VC/VCW 180 (X) E t/m 282 E, 24-12, 24-12 SO 28, 24-12 E And 3 in 4 (3) And 3 in 4 (2) (3) N.V.T.
(1) Opentherm module VR33 available here
(2) Resistance between 4 and 5: 220 Ohm/5W
(3) Pump function in position 1
(4) When used as OpenTherm thermostat: convert D20 function to OpenTherm
Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday
January,February,March,April,May,June,July,August,September,October,November,December
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