Laars MASCOT FT MFTCW User Manual - page 5
User’s Manual - Mascot FT Combination Boiler / Water Heater
Page 5
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
Mascot FT Combination Boiler
Page 49
SECTION 5. Control Display and Operation
5.2 LCD Overview
CH mode
Central Heat mode icon can be adjusted
Anti-freeze mode
Anti-freeze mode icon
Storage Heating mode
Stored Water Being Heated, can be adjusted
Lock mode
Buttons-locked mode icon
Communication
Communication icon
Summer mode
Only DHW Mode, can be adjusted (warm weather shutdown)
Status and Installer mode
The Status Mode or the Installer Mode is Active (all parameters)
Flame signal
Flame Signal icon
Pump icon
Water pump operation (CH or DHW) icon
Numeric Display
Number and character display, to display all parameters
DHW mode
Combination boiler Set Point, can be adjusted
Outside temp or 0-10 V mode
Operating by outside temperature or 0-10V
Numeric Display
Domestic Hot Water Mode
Anti-Freeze
Mode
Storage
Heating
Lock
Communicating
Status and
Installer
Modes
Flame
Signal
Pump
Outside
Temp Mode
or 0-10V
Summer Mode
(warm
weather
shutdown)
CH
Central
Heat
WARNING
Do not use this appliance if any part has been under
water. Immediately call a qualifi ed service technician
to inspect the appliance and to replace any part of
the control system and any gas control that may have
been under water.
The LCD will illuminate when a user action is detected (a button is pressed) and will turn
back off after 20 seconds.
* NOTE: The display will not allow changes when the lock mode
is activated.
To exit the Lock mode, press the
button.
Mascot FT Combination Boiler
Page 49
SECTION 5. Control Display and Operation
5.2 LCD Overview
CH mode
Central Heat mode icon can be adjusted
Anti-freeze mode
Anti-freeze mode icon
Storage Heating mode
Stored Water Being Heated, can be adjusted
Lock mode
Buttons-locked mode icon
Communication
Communication icon
Summer mode
Only DHW Mode, can be adjusted (warm weather shutdown)
Status and Installer mode
The Status Mode or the Installer Mode is Active (all parameters)
Flame signal
Flame Signal icon
Pump icon
Water pump operation (CH or DHW) icon
Numeric Display
Number and character display, to display all parameters
DHW mode
Combination boiler Set Point, can be adjusted
Outside temp or 0-10 V mode
Operating by outside temperature or 0-10V
Numeric Display
Domestic Hot Water Mode
Anti-Freeze
Mode
Storage
Heating
Lock
Communicating
Status and
Installer
Modes
Flame
Signal
Pump
Outside
Temp Mode
or 0-10V
Summer Mode
(warm
weather
shutdown)
CH
Central
Heat
WARNING
Do not use this appliance if any part has been under
water. Immediately call a qualifi ed service technician
to inspect the appliance and to replace any part of
the control system and any gas control that may have
been under water.
The LCD will illuminate when a user action is detected (a button is pressed) and will turn
back off after 20 seconds.
* NOTE: The display will not allow changes when the lock mode
is activated.
To exit the Lock mode, press the
button.
4. The Control Display and Operation
(continued)