SET3E
14
GB
DANFOSS RANDALL
SET3E
(PUMPED)
MAINS WATER HEATING
NOTE 
This conversion 
applies only if..
An additional 
terminal block is 
required where these 
disconnected leads 
(or pairs of leads) 
should be terminated
N L ON COM OFF ON COM OFF
NL123456 ABCD
DANFOSS RANDALL 922/972 N L 3 2 1 6 5 4
Pumped/Gravity link 
is set to pumped
DANFOSS RANDALL 4033 7 6 4 1 5 2 - 3
DANFOSS RANDALL SET5 N L 1 2 3 4 5 6
Pumped/Gravity link 
is set to pumped
GLOWWORM MASTERMIND N L 3 - 1 4 - 2
Pumped/Gravity link 
is set to pumped
HONEYWELL ST7100 N L 8 6 7 5 3 4
HONEYWELL ST6300 N L 3 - 1 4 - 2
HONEYWELL ST6400 N L 3 - 1 4 - 2
HORSTMANN 423 AMETHYST 7 & 10 2, 3 1 5 - 4 7 - 6 8
HORSTMANN 424 GEM 2, 3 1, 10 4 5 6 7 8 9
Terminal 5, 8 & 10 
are linked
HORSTMANN LEUCITE 423 & 424 2 1 3 5 4 6 7 8
Terminals 5 & 7 are 
linked
HONEYWELL ST669 N L 6 8 7 3 5 4
LANDIS & GYR RWB2 N L 3 - 1 4 - 2
Pumped/Gravity link 
is set to pumped