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HTC - WIRING COMPARISON TABLE
Programmers
MAINS
HW
CH
HW
CH
MAINS
HW
HW
CH
CH
E
N
L
OFF
OFF
ON
ON
Spare
E
N
L
ON
COM
OFF
ON
COM
OFF
Spare
CentaurPlus C21 or C27
 
425 Diadem/Tiara or ChannelPlus H27/H21
Manufacturer
Model
E
N
L
1
2
3
4
None
E
N
L
1
2
3
4
5
6
None
FP
E
2
1
8
11
6
10
3
E
2
1
6
8
10
11
3
ACL-Drayton
LS112
E
N
L
2
3
4
E
N
L
3
2
4
ACL-Drayton
MP
E
2
1
6
10
3,7,8
E
2
1
6
10
3,7,8
ACL-Drayton
Switchmaster 320
E
N,2
L
3
1
E
N,2
L
3
4
1
ACL-Drayton
Switchmaster 350
E
N,2
L
3
1
E
N,2
L
3
4
1
ACL-Drayton
Switchmaster 400
E
N
L
4
3
1
2
E
N
L
3
1
4
2
ACL-Drayton
Switchmaster 600
E
N
L
3
1
2,4
E
N
L
3
1
2,4
ACL-Drayton
Switchmaster 805
E
N
L
4
2
3
1
E
N
L
3
4
1
2
ACL-Drayton
Switchmaster 900
E
N
L
4
2
3
1
A,B,C
E
N
L
3
4
1
2
A,B,C
ACL-Drayton
Switchmaster 9000
E
N
L
4
2
3
1
A,B,C
E
N
L
3
4
1
2
A,B,C
ACL-Drayton
Switchmaster 9001
E
N
L
4
2
3
1
A,B,C
E
N
L
3
4
1
2
A,B,C
ACL-Drayton
Switchmaster 905
E
N
L
4
2
3
1
E
N
L
3
4
1
2
ACL-Drayton
Switchmaster Sonata
N
L
3
6
1
4
N
L
1
3
4
6
Danfoss Randall
102
E
5
6
1
2
E
5
6
1
3
2
Danfoss Randall
102E
E
5
6
1
2
E
5
6
1
3
2
Danfoss Randall
102E5
E
5
6
1
2
E
5
6
1
3
2
Danfoss Randall
102E7
E
5
6
1
2
E
5
6
1
3
2
Danfoss Randall
3020P
8
1,7
6
4
2
3,5
8
1,7
6
4
2
3,5
Danfoss Randall
3033
8
1,7
6
5
3
4
2
8
1,7
6
4
5
2
3
Danfoss Randall
3060
8
1,7
6
4
2
3,5
8
1,7
6
4
2
3,5
Danfoss Randall
4033
8
7
6
5
3
4
2
8
7
6
4
5
2
1
3
Danfoss Randall
701
E
N
L
4
2
3
1
E
N
L
3
6
4
1
5
2
Danfoss Randall
702
E
N
L
4
2
3
1
E
N
L
3
6
4
1
5
2
Danfoss Randall
922
E
N
L
1
4
3
6
E
N
L
3
2
1
6
5
4
Danfoss Randall
972
E
N
L
1
4
3
6
E
N
L
3
2
1
6
5
4
Honeywell
ST699B - Fully Pumped
E
N
L
7
4
6
3
E
N
L
6
8
7
3
5
4
Honeywell
ST699B - Gravity
E
N
L
8
3
E
N
L
8
6
3
5
Honeywell
ST7000A
N
L
2
3
4
N
L
3
2
4
Honeywell
ST7100
E
N
L
7
4
8
5
E
N
L
8
6
7
5
3
4
Honeywell
ST799A
N
L
7
4
6
3
N
L
6
8
7
3
5
4
Horstmann
423 Amethyst 10
E
2,3
1
4
6
5
7
E
2,3
1
5
4
7
6
Horstmann
423 Amethyst 7
E
2,3
1
4
6
5
7
E
2,3
1
5
4
7
6
Horstmann
423 Diamond
E
N
L
2
4
5,6
E
N
L
2
1
4
3
5,6
Horstmann
424 Coral
E
2,3
1
8
4
5,6
E
2,3
1
8
4
7
5,6
Horstmann
424 Diamond
E
N
L/1
2
4
5
E
N
L/1
2
4
3
5
Horstmann
424 Gem
E
2,3
1
6
9
4
7
E
2,3
1
4
5
6
7
8
9
Landis & Gyr
RWB20
N
L
1
2
3
4
N
L
3
1
4
2
Myson
Microtimer One
N
L
7
4
6
3
N
L
6
8
7
3
5
4
Myson
Microtimer Seven
N
L
7
4
6
3
N
L
6
8
7
3
5
4
Pegler Sunvic
MP2
N
L
HW
HW
CH
N
L
HW
HW
CH
OFF
ON
ON
ON
OFF
ON
Pegler Sunvic
SP100
E
N
L
1
4
2
5
S,S
E
N
L
2
1
5
3
4
S,S
Pegler Sunvic
SP25
E
N
L
1
2
5
S,S,4
E
N
L
2
1
5
3
S,S,4
Pegler Sunvic
SP30
E
N
L
1
2
5
S,S,4
E
N
L
2
1
5
3
S,S,4
Pegler Sunvic
SP50
E
N
L
1
4
2
5
S,S
E
N
L
2
1
5
3
4
S,S
Potterton
EP2000
E
N
L
1
2
3
4
A,B,C,D
E
N
L
3
1
4
5
2
A,B,C,D
Potterton
EP2001
E
N
L
1
2
3
4
A,B,C,D
E
N
L
3
1
4
5
2
A,B,C,D
Potterton
EP2002
E
N
L
1
2
3
4
A,B,C,D
E
N
L
3
1
4
5
2
A,B,C,D
Potterton
EP3000
E
N
L
1
2
3
4
A,B,C,D
E
N
L
3
1
4
5
2
A,B,C,D
Potterton
EP3001
E
N
L
1
2
3
4
A,B,C,D
E
N
L
3
1
4
5
2
A,B,C,D
Potterton
EP3002
E
N
L
1
2
3
4
A,B,C,D
E
N
L
3
1
4
5
2
A,B,C,D
Potterton
EP6000
E
N
L
1
2
3
4
A,B,C,D
E
N
L
3
1
4
5
2
A,B,C,D
Potterton
EP6002
E
N
L
1
2
3
4
A,B,C,D
E
N
L
3
1
4
5
2
A,B,C,D
Sangamo
M5
E
4,5
3
1
6
E
4,5
3
1
6
Smiths Industries
Centroller 100
E
N
L
3
2
1,4
E
N
L
3
2
1,4
Smiths Industries
Centroller 60
E
1
2
5
4
3,6
E
1
2
5
4
3,6
Smiths Industries
Centroller 70
E
1
2
5
4
3,6
E
1
2
5
4
3,6
Smiths Industries
Centroller 90
E
1
2
5
4
3,6
E
1
2
5
4
3,6
Towerchron
T2002
E
N
L
HW
CH
E
N
L
HW
CH
ON
ON
ON
ON
Towerchron
T2002Q
E
N
L
HW
CH
E
N
L
HW
CH
ON
ON
ON
ON
Towerchron
T2003
E
N
L
HW
CH
HW
CH
E
N
L
HW
COM
HW
CH
COM
CH
OFF
OFF
ON
ON
ON
OFF
ON
OFF
Towerchron
T2003Q
E
N
L
HW
CH
HW
CH
E
N
L
HW
COM
HW
CH
COM
CH
OFF
OFF
ON
ON
ON
OFF
ON
OFF
Venner
CHC/W2
E
N,2,4
L
1
A/S
A/S,3
E
N,2,4
L
1
A/S
A/S,3
Venner
Venetrol 80
E
N,1,3,4
L
2
A/S
A/S,5
E
N,1,3,4
L
2
A/S
A/S,5
Venner
Venetrol 80M
E
N,3
L
1
4
2
A/S
A/S,5
E
N,3
L
2
1
A/S
4
A/S,5
Venner
Venetrol 80P
E
N,1,3
L
2
A/S
A/S,4,5
E
N,1,3
L
2
A/S
A/S,4,5
Venner
Venetrol 80P/M
E
N,3
L
1
4
2
A/S
A/S,5
E
N,3
L
2
1
A/S
4
A/S,5
Venner
Venner T20
E
N
L
1
4
E
N
L
1
4
Venner
Venner T30
E
N
L
1
3
2
4
E
N
L
2
1
4
3
NOTE: The CentaurPlus,ChannelPlus and 425 models covered by these tables do not have any SPARE or LINKING terminals.If spare
terminals have been used on the programmer being replaced then any connected wires should be removed and re-connected
into a separate piece of terminal block.Wires from different spare terminals should not be joined together