Programming
CH Set Point
Note: Central Heat (CH) cannot
be set if the outdoor sensor is
connected. If the outdoor sensor
is connected, remove one wire
from the O/S terminal.
1. Press the CH button. You will
see the CH Icon appear on
the screen.
2. Turn the Scroll/ Select dial to
adjust desired set point.
3. Press the Scroll/Select dial to
save your selected set point.
4. Reconnect the outdoor sensor.
Page 2
Display
Display Power/
Reset
Scroll/
Select Dial
• CH Button
• F/C
• Calculated setpoint
DHW Button
Mode Button
Call for:
• CH
• DHW
• Internal Storage
Page 4 of 12
Outdoor Sensor
Outdoor Sensor
Wall Mounted Combi Unit
Floorstanding Combi Unit
Outdoor Reset - Connections
L N
MAIN POWER
G L/ZC N
CH PUMP
G
L N
MAIN POWER
G L/ZC N
CH PUMP
G
L N
DHW RECIRC PUMP
G
AC24V
OUTPUT
DHW RECIRC
SENSOR
LWC
H-T/T
T / T
R 0-10V W
(+) INPUT (-)
O / S
T / T
R 0-10V W
(+) INPUT (-)
O / S
Wall
Floor
L
N
MAIN POWER
G L/ZC N
CH PUMP
G
L
N
MAIN POWER
G L/ZC N
CH PUMP
G
L
N
DHW RECIRC PUMP
G
AC24V
OUTPUT
DHW RECIRC
SENSOR
LWC
H-T/T
T / T
R 0-10V W
(+) INPUT (-)
O / S
T / T
R 0-10V W
(+) INPUT (-)
O / S
Wall
Floor
FT WALL MOUNTED AND FLOORSTANDING COMBI MODELS