Installation and Setup
20
To replace Honeywell programmers
THR860S (this programmer)
N
L
1
2
3
4
ST9400/ST6200/ST6300/
ST6400
N
L
1
2
3
4
ST699/799
N
L
7
4
6
3
ST7100
N
L
7
4
8
5
ST7000A (see notes 1-2)
L
2
3
4
To replace Honeywell programmer, remove the old unit and reconnect wiring to the new unit as shown
below. (Connect wires from old unit terminals to new terminals marked in grey.)
Note 1:
If replacing a Honeywell ST7000A, a permanent mains power supply must be
provided for the new THR860S programmer.
Note 2:
If replacing a Honeywell ST7000A, you must configure the new THR860S as a
“Mini-Programmer” (see page 23).