Installation Manual

36
BOILER INSTALLATION SEQUENCE
Connection details for control systems utilising 2 x 2 port motorised valves
via external wiring centre/junction box
Diagram only applies to the specific controls mentioned
LN
LN
345
N L
CENTRAL
HEATING
ON
HOT
WAT ER
ON
HOT
WAT ER
OFF
3 amp fused
main supply
THERMOcompact
terminal strip
Programmer
for programmer connections see fig. 16.d
LN
LN
345
5367 8
External wiring centre/junction box*
345678910
N
N
L
L
*Do not use pre-wired printed circuit board type
not used
EARTH BLUE BROWN GREY ORANGE
Hot water 2 port motorised valve
4E5 310
ECA
N
4
N
4
2
4
4
3
3
3
3
3
2
2
2
2
1
1
L
2
1
L
1
1
1
1
3
CB
E
E
E
E
Vaillant VRT 9090
ACL Drayton Digistat 2, 3, 4
ACL Drayton RTS 1, 2
Danfoss Randall RX-1
Danfoss Randall RMT 230
Danfoss Randall RET 230
Tower SS
Honeywell T6360
Horstmann HRT 1
Siemens-Landys & Staefa RAD 1
Sunvic TLX 2000 series
5 9 6 L N E
Room thermostat
21C
YL
3
3
2
2
BK
1
2
2
1
1
RED
C
1
1
3
ACL Drayton HTS3
Danfoss Randall ATC
Tower CS1
Honeywell L641
Horstmann HTC1
Siemens-Landis & Staefa RAM 1
Sunvic SA 2452
10 7 E
Cylinder thermostat
3E
2
E
E
EARTH BLUE BROWN GREY ORANGE
Central heating 2 port motorised valve
4E5 39
NL
234
53
not used
76
1
not used
Lifestyle LP241, LP 522, LP 722
Tempus 6, Tempus 7
Danfoss Randall CP 715, FP715
Note: *Earth not required
Danfoss Randall Set 2E, Set 3E
Note: *Earth not required,
Link L - 2 - 5
Grässlin Towerchron QE2
Honeywell ST699B, ST799A
Note: Link L - 5 - 8
Honeywell ST6200, ST6300, ST6400
Horstmann Channel Plus H21, H27
Note: *Earth not required,
Link L - 2 - 5
Siemens-Landis & Staefa RWB2, RWB9
Potterton Myson EP 2002, EP 3002, EP 6002
Note: Link L - 5
Sunvic Select 207
NL
234
53
not used
76
1
not used
NL
234
53
not used
76
1
E
5
not used
NL
234
53
76
1
E
not used
not used
NL
234
53
76
1
not used
E
*
not used
NL
234
53 7
6
1
E
*
not used
56
not used
NL
234
53
76
1
not used
not used
N3
567
56not used
7
4
L
3
8
not used
NL
234
53
76
1
not used
not used
NL
234
53 7
6
1
E
*
not used
56
not used
NL
234
53
76
1
not used
not used
Fig. I.19
Fig. I.20
THERMOcompact