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User’s Manual        Mascot FT, Heating Only, Boiler

Page 5

 

LAARS Heating Systems

Page 54

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

Heating 

Water

CH set-point change mode

(Maxium 82°C(180°F))

D

Time / Date 

Set

No Change

To SET:  Year/Month/Week/Day/Time/Min 

E

Scroll / Select

Menu select or value 

up(+)/down(-) or setting dial.

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)

E

 

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 Control Display

4. The Control Display and Operation 

Summary of Contents for MFTHW

Page 1: ...njury property damage or death Improper installation and or operation will void the warranty AVERTISSEMENT Assurez vous de bien suivres les instructions donn es dans cette notice pour r duire au minim...

Page 2: ...LAY COVER HINGES UPWARD NO Name of Component 1 Air Vent air eliminator 2 Air Intake Collar 3 Air Gas Mixing Pipe 4 Gas Inlet Pipe 2 5 Gas Valve 6 Exhaust Duct 7 Low Water Temperature Sensor 8 OP Senso...

Page 3: ...User s Manual Mascot FT Heating Only Boiler Page 3 Shown is the Mascot FT Heating Only 140 MBH All sizes are very similar in component layout...

Page 4: ...orethylene perchlorethylene chlorine etc Keep bottom and top openings on the boiler free for proper ventilation of interior components Do not obstruct or block a free flow of air to the boiler to ensu...

Page 5: ...r CH set point change mode Maxium 82 C 180 F D Time Date Set No Change To SET Year Month Week Day Time Min E Scroll Select Menu select or value up down or setting dial The Control Display has a Contro...

Page 6: ...nication state indication Time setting mode Time Dispaly Install mode indication Fan operating mode Fan operating mode indication Flame signal Flame Signal indication CH pump mode CH pump mode indicat...

Page 7: ...user and service modes that have speci c LCD output and dedicated controls Set point change mode Lock mode Error mode Status display mode Outside Temperature mode Installer mode Control Display will n...

Page 8: ...the MON Month by turning the dial E to the desired month number Then press the dial E to Save c Set the DATE 1 31 Day of the Month by turning the dial E Then press the dial E to Save d Set the HOUR 1...

Page 9: ...ame is detected Date and Time indicator If CH pump is operating If there currently a Demand for Central Heat CH Default CH set point is 180 F 82 C CH set point range is 86 F 180 F 30 0 C 82 0 C To cha...

Page 10: ...u Unit 1000hour 2 rh Time for burner operation Unit 1hour 3 rH Time for burner operation Unit 1 000hour 4 It Cycle for ignition Cycle 10 times the displayed unit 5 IH Cycle for ignition Cycle 10 000 t...

Page 11: ...User s Manual Mascot FT Heating Only Boiler Page 11 Notes...

Page 12: ...ester NH USA 03867 603 335 6300 Fax 603 335 3355 1869 Sismet Road Mississauga Ontario Canada L4W 1W8 905 238 0100 Fax 905 366 0130 www Laars com Litho in U S A Laars Heating Systems 1607 Document 1343...

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