Laars MASCOT FT MFTCW User Manual - page 4
LAARS Heating Systems
Page 4
3. Shut Down and Restart
3.1 To Start the Mascot FT
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 Mascot FT
1. Turn off the main electrical disconnect switch.
2. Close all manual gas valves.
3. If freezing is anticipated, drain Mascot FT 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.
LAARS Heating Systems
Page 48
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
Functionality
PRESS (Tap)
PRESS and HOLD (5 seconds)
A
Display Power
Turns Control Display
ON / OFF
B
Modes
Tap to return to menu
(If Display Power was On )
Status Display Mode
(If Display Power was Off )
Installer Mode
C
Hot Water
DHW Set-Point LOW Range
95 - 120°F (35 - 49°C)
DHW Set-Point HIGH Range
121 - 140°F (49.5 - 60°C)
D
Central Heat
CH set-point mode
(boiler only)
Toggle (°C / °F)
E
Scroll / Select
Turn to scroll, tap to select
(clockwise or counterclockwise)
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 Mascot FT and to
change temperature set points, set system variables and controller parameters.
Status Light
(constant green
when operating
normally)
The Control Display
4. The Control Display and Operation