central heating schematics
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Honeywell Sundial~Domestic Central Heating Wiring Diagrams with Supplementary Drawings 1d Rev 1d 2nd Edition
Revision History 8 AUG 09 26 NOV 09 10 DEC 09 1b 1c 1d Original Issue Amend Y-Plan wiring diagram to show correct terminal arrangement for cylinder thermostat. General cleanup of wiring diagrams. Remove references to 28mm valves
Note: This document has neither been produced nor endorsed by Honeywell. The information in this document is provided as is with no implied warranty. Use the information herein entirely at your own risk. The Honeywell name and Sundial brand are copyright Honeywell International Inc. All rights of the copyright holder are acknowledged by the author of this document. Artwork (c) DaveyOz 2009
'C' PLANGREY
V4043H ZONE VALVEBLUE
NO
MGREEN/YELLOW
SUPPLY 230V 50HzNC C
L N EBROWN
T6360B ROOM STAT2 1* CORANGE
1
3*
L641A CYLINDER STATWHITE
* CONTACT CLOSED MEANS CALLING FOR HEAT
1 6
2
3
4
5
7 LINK
8
9
10
L
N CH
HW
NE LRev1d
N E L PUMP BOILER
TIME CONTROLLER
(c) DaveyOz 2009
'W' PLANNO POWER TO VALVE POWER TO VALVE NO POWER TO VALVE - HW ONLY - MOTOR TO CH ONLY - SPRING RETURN TO HW ONLY
V4044 DIVERTER VALVE M
BLUE BROWN GREEN/YELLOW
SUPPLY 230V 50HzHW AB
L N E T6360B ROOM STAT2 2 N 1* 1 3* C BOILER
L641A CYLINDER STAT
B
A
CH
* CONTACT CLOSED MEANS CALLING FOR HEAT
1
2
3
4
5
6
7
8
9
10
L
N CH
HW
NE LRev1d
N E L PUMP BOILER
TIME CONTROLLER
(c) DaveyOz 2009
'Y' PLANNO POWER TO VALVE 230V ON WHITE WIRE 230V ON WHITE & GREY 230V ON GREY WIRE NO POWER TO VALVE - HW ONLY (ORANGE OFF) - MID POSITION (ORANGE OFF) - CH ONLY (ORANGE 230V O/P) - HOLD CURRENT POSITION (ORANGE 50~150V O/P) - SPRING RETURN TO HW ONLY (ORANGE OFF)
V4073A MID POS. VALVE
BLUE
"HEATING IS CALLING" "WATER IS NOT CALLING"GREEN/YELLOW * CLOSED CONTACT MEANS CALLING FOR HEAT
SUPPLY 230V 50Hzsee separate schematic for internalsHW AB
L N E T6360B ROOM STAT L641A CYLINDER STATB A 2 2 C NWHITE GREY ORANGE
CH
1 1*
3*
BOILER"HEATING ONLY"
1
2
3
4
5
6
7
8
9
10
L
N CH
HWON
HWOFF
NE LRev1d
N E L PUMP BOILER
TIME CONTROLLER
(c) DaveyOz 2009
GREY GREY BLUE
'S' PLANV4043H ZONE VALVENOBLUE
V4043H ZONE VALVENO NC
MCBROWN
NC
MC
SUPPLY 230V 50Hz CHORANGE ORANGE
HW
L N E T6360B ROOM STAT2 1* C 1 3*
L641A CYLINDER STAT
* CONTACT CLOSED MEANS CALLING FOR HEAT
1
2
3
4
5
6
7
8
9
10
L
N
CH
HW
NE LRev1d
N E L PUMP BOILER
TIME CONTROLLER
(c) DaveyOz 2009
GREY
GREY
'S' PLANNOBLUE BROWN ORANGE
V4043H ZONE VALVENO NCBROWN BLUE
V4043H ZONE VALVE
M CH A1 A2TIMER RELAY #2GREEN GREEN
M HWC
NC
MODIFIED FOR OVERRUN THROUGH WHOLE SYSTEM PIPEWORKC
A1 A2
15 16 18
15 16 18
SUPPLY 230V 50Hz L N E T6360B ROOM STAT L641A CYLINDER STAT1* C 2 1 3*
TIMER RELAY #1
ORANGE
TYPICAL SPST RELAY #1
TYPICAL SPST RELAY #2
1
2
3
4
5
6
7
8
9
10
TIMER RELAYE.G. BROYCE CONTROL M1EDF 24VAC/DC//230VAC .5-10MI
L
N CH
HW
NE LRev1a
N E L PUMP BOILER
TYPICAL SPST RELAYPLUG-IN POWER RELAY 230V AC COIL MIN 3A CONTACT RATING
TIME CONTROLLER
(c) DaveyOz 2009
GREY
1 V4043H ZONE VALVENO NO NC NO NC
GREY
'S' PLAN PLUSV4043H ZONE VALVE 2 MC NC
BLUE
V4043H ZONE VALVE
BLUE
ADDING A ZONE TO AN EXISTING 'S' PLAN SYSTEM MCBROWN
MC
3 CH
CHORANGE ORANGE
SUPPLY 230V 50Hz L N E T6360B ROOM STAT L641A CYLINDER STAT1* C 2 1 3* 2 1 3*
HW
T6360B ROOM STAT
* CONTACT CLOSED WHEN CALLING FOR HEAT
1
2
3
4
5
6
7
8
9
10
2
4
7
10
ADDITIONAL HEATING ZONE
OPTION 1: CH HW NE LRev1a
L
N
N E L PUMP BOILER
CONVENTIONAL STAT SHARED TIMESWITCH
TIME CONTROLLER
(c) DaveyOz 2009
GREY
1 V4043H ZONE VALVENO NC
GREY
'S' PLAN PLUSV4043H ZONE VALVENO NO NC
BLUE
V4043H ZONE VALVE 2 MC
BLUE
ADDING A ZONE TO AN EXISTING 'S' PLAN SYSTEM MCBROWN
MC
NC
3 CH
SUPPLY 230V 50HzORANGE ORANGE
CH
HW
L N E T6360B ROOM STAT2 1* C 1 3*
L641A CYLINDER STAT
CM900 SERIES PROG. STATA B*
* CONTACT CLOSED WHEN COLDER THAN SETPOINT
1
2
3
4
5
6
7
8
9
10
1
7
10
ADDITIONAL HEATING ZONE
OPTION 2: CH HW NE LRev1c
L
N
N E L PUMP BOILER
TIME CONTROLLER
2- WIRE CONNECT BATTERY POWERED PROG. STAT
(c) DaveyOz 2009
GREY
1 V4043H ZONE VALVENO NC
GREY
'S' PLAN PLUSV4043H ZONE VALVENO NO NC
BLUE
V4043H ZONE VALVE 2 MC
BLUE
ADDING A ZONE TO AN EXISTING 'S' PLAN SYSTEM MCBROWN
MC
NC
3 CH
SUPPLY 230V 50HzORANGE ORANGE
CH
HW
L N E T6360B ROOM STAT2 1* C 1 3*
L641A CYLINDER STATN
CM920 SERIES RECEIVERL A B*
* CONTACT CLOSED WHEN COLDER THAN SETPOINT
1
2
3
4
5
6
7
8
9
10
2 1
7
10
ADDITIONAL HEATING ZONE
OPTION 3: CH HW NE LRev1c
L
N
N E L PUMP BOILER
TIME CONTROLLER
WIRELESS BATTERY POWERED PROG. STAT
(c) DaveyOz 2009
'S' PLAN PLUSV4043H ZONE VALVE CH ZONE 1NCORANGE ORANGE GREY BROWN BLUE ORANGE GREY BROWN BLUE
V4043H ZONE VALVE HWNC NC C NO C NO
V4043H ZONE VALVE CH ZONE 2
GREY
WITH 3-CHANNEL TIME CONTROLLERNO C
BLUE
M
M
M
BROWN
SUPPLY 230V 50Hz T6360B ROOM STAT L641A CYLINDER STAT1* C 2 2 1 3*
L N E T6360B ROOM STAT1 3*
1
2
3
4
5
6
7
8
9
10
11
12
L
N
CH1
HW CH2
NELRev1a
N E L PL SL(PF) (Sw)
THREE-CHANNEL TIME CONTROLLER
(c) DaveyOz 2009
PUMP
BOILER WITH PUMP OVERRUN
'S' , 'W', & 'Y' PLANS MODIFIED FOR PUMP OVERRUN ON THE BOILERX"CALL FOR HEAT" EARTH NEUTRAL
"SUNDIAL" CLASSIC
NE LPUMP BOILER
N E L
NOTE: TERMINAL "X" S-Plan = 10 W-Plan = 7 Y-Plan = 8
WITH PUMP OVERRUN 1 9
X"CALL FOR HEAT"
PERMANENT LIVE EARTH NEUTRAL
NE LPUMP
N E L
PL SL(PF) (Sw)
BOILER
(c) DaveyOz 2009
Rev 1a
'S' , 'W', & 'Y' PLANS MODIFIED FOR PUMP OVERRUN BY TIMER RELAYX"CALL FOR HEAT" EARTH NEUTRAL
"SUNDIAL" CLASSIC
NE LPUMP BOILER
N E L
NOTE: TERMINAL "X" S-Plan = 10 W-Plan = 7 Y-Plan = 8
WITH PUMP OVERRUN 1
X
PERMANENT LIVE EARTH NEUTRAL
"CALL FOR HEAT"
NE LPUMP
18 16 15
A1 A2TIMER RELAY30sec ~ 10min RUN-ON
N E LBOILERNOTE: ENCLOSURE FOR TIMER RELAY MAY NEED AN EARTH CONNECTION (NOT SHOWN)
TIMER RELAY MUST BE A "TRUE OFF DELAY" TYPE E.G. BROYCE CONTROL M1EDF 24VAC/DC//230VAC .5-10MI RS Comps. 300-6045 M1EDF IS DIN RAIL MOUNTING ALTERNATIVE PLUG-IN TYPE E.G. BROYCE B8DF OR B1DFRev 1a
(c) DaveyOz 2009
'S' , 'W', & 'Y' PLANS MODIFIED FOR PUMP OVERRUN BY MANROSE EXTRACT FAN TIMERX"CALL FOR HEAT" EARTH NEUTRAL
"SUNDIAL" CLASSIC
NE LPUMP BOILER
N E L
NOTE: TERMINAL "X" S-Plan = 10 W-Plan = 7 Y-Plan = 8
WITH PUMP OVERRUN 1
X"CALL FOR HEAT"
PERMANENT LIVE EARTH NEUTRAL
NE LPUMP
6 5 3FL FN N
2 1SL PL
N E LBOILER1min ~ 20min RUN-ONNOTE: MANROSE 1351 DOES NOT HAVE AN INTEGRAL EARTH TERMINAL FITTED
THE MANROSE TIMER MODEL 1351 IS DESIGNED FOR RETRO FITTING TO DOMESTIC EXTRACTOR FANS SO THAT THE FAN RUNS ON AFTER THE LIGHT IS SWITCHED OFF. IN THIS APPLICATION RUN-ON TIME SHOULD BE SET TO A MINIMUM OF THREE MINUTES.Rev 1a
(c) DaveyOz 2009
HONEYWELL V4073A MID-POSITION VALVE INTERNAL SCHEMATIC
WHITE
SW2 ORANGE
GREY SW1 270k 0.25W
13k 2W
GREEN/YELLOW
M(c) DaveyOz 2009 Rev1c
BLUE
FLOW SWITCH-CONTROLLED PUMP WITH RELAY SWITCHINGSPST RELAY:
FLOW SWITCH-CONTROLLED PUMP WITH SSR SWITCHING230V AC LIVEFUSED 3A MAX
230V AC LIVE230V AC COIL MIN 230V AC 3A CONTACT RATING FLOW-SWITCH CONTACT RATING 230V AC 1A MIN FLOW SWITCH
FUSED 3A MAX
FLOW SWITCH
SOLID-STATE RELAY: ZERO-CROSSING 230V AC CONTROL MIN 230V 3A CONTACT RATING FLOW-SWITCH CONTACT RATING 230V AC 1A MIN TYPICAL SSR
TYPICAL SPST RELAY NO COM A1+ A2-
A1
L1 T1E.G. RS 535 6342
A2
E.G. RS 494-0542
EARTHPUMP
EARTH
L E N
L E N
PUMP
NEUTRAL(c) DaveyOz 2009 Rev1a
NEUTRAL(c) DaveyOz 2009 Rev1a
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