Page 4
3. Shut Down and Restart
3.1 To Start the FT Series Combi
If drained, please refer to the Install and Operating
Manual to ensure that the complete ‘Setup’
procedure has been followed before starting this
boiler. A complete ‘Setup’ must be performed by a
qualified service person.
3.2 Shutting Down the FT Series Combi
1. Turn off the main electrical disconnect switch.
2. Close all manual gas valves.
3. If freezing is anticipated, drain the FT Series
Combi and be sure to also protect building piping
from freezing. All water must be removed from
heat exchanger and condensate trap or else
damage from freezing may occur. Please refer to
the Install and Operating Manual.
This step to be performed by a qualified service person.
4. The Control Display and Operation
The FT Series Wall Mounted, Combination Boiler
Page 51
SECTION 5
Control Display and Operation
5.1 Control Dial and Buttons
• Temperature Specifi cations
Operating ambient Temperature Range : -10 to 60°C.
Operating Relative Humidity up to: 90% at 40°C.
Shipping & Storage Temperature Range of : -20 to 80°C.
Buttons
Function
Method
Function
Method
A
Display
Power
Turns Control Display ON / OFF
Press/Tap
B
Modes
Status Display Mode (With display power on)
Press/Hold (5 Seconds)
Return to Menu (from
Status Display Mode)
Press/Tap
Installer Mode (WIth display power off )
Press/Hold (5 Seconds)
Return to off display off
mode (from installer mode)
Press/Tap
C
Hot
Water
DHW Set point LOW Range
95 - 120°F (35 - 49°C)
Press/Tap (To return home,
tap Scroll/Select)
DHW set point HIGH
Range 121-140°F (49.5-
60°C) (from DHW set
point LOW RANGE)
Press/Hold (5 Sec-
onds), (To return
home, tap Scroll/
Select)
D
Central
Heat
CH set point mode (boiler only)
Press/Tap (To return home,
tap Scroll/Select)
Toggle (°C/°F) (from CH
set point mode)
Press/Hold (5
Seconds)
E
Scroll /
Select
Turn to scroll (clockwise or counterclockwise),
Tap to select
Press/Tap
The Control Display
has a Control Dial (E), 4 buttons (A, B, C, D), and a Liquid
Crystal Display (with 72 back-lit segments). This section of this manual gives
instruction on how to navigate into the many functions of the FT and to change
temperature set points, set system variables and controller parameters.
Status Light
(constant green
when operating
normally)
The Control Display
E
53page
B
C
A
D
