Laars mascot ft MFTHW Installation And Operation Instructions Manual page 63

Mascot FT, Heating Only, Boiler
Index
Numbers
7: cL
8: OF
9: bt
10: bd
11: bI
12: FH
13: FL
14: dr
15: dI
16: Ft
17: bo
18: cb
19: db
20:PE
21: dH
22: dd
23: Pr
24: dP
25: St
26: FP
Parameter
Minimum Supply
temperature
Warm Weather
Shutdown
Boost Function
Boost Degree
Boost Interval
Maximum Fan speed
Minimum Fan speed
Initialized burner
operation time
Initialized ignition cycle
CH Anti-Cycling time
Set differential
temperature to turn
burner "ON"
Heating capacity
DHW capacity
Heating Pump Post-
Purge Time,
T/T Satisfied
Indirect Storage Tank
Temperature Set Point
Indirect Storage Tank
Differential Set Point
DHW Pump Post Run
Time
DHW Priority Timer
Boiler Supply Indirect
Storage Tank
Temperature
System Freeze
Protection Mode
Description
Sets the design supply water temperature based on the
maximum outdoor design temperature. Minimum supply
temperature must be set at least 9°F below the maximum
supply temperature. Range: 40°F to (Maximum Supply
Temperature - 9°F) , Default 86 °F
This warm weather temperature setting will shut down CH
Mode Range : 50 °F- 110°F, Default 68 °F
This function boosts CH temperature to the maximum if
set point is not reached within the set period of time.
Range: 0 - 120 min, Default 0
The boiler will add this temperature to the boiler target set
point based on outdoor reset curve. Range: 5-15°F
Default: 10°F
The boiler will index the temperature based on time
interval set on 11 bI. Range: 0-120 MIN
Default: 20 MIN
Adjusts Maximum Fan Speed
Range: -30 to +30,Default 00
Adjusts Minimum Fan Speed
Range: -30 to +30,Default 00
Select ON to Initialize burner operation time
Range: NO or YES,Default NO
Select ON to Initialize ignition cycles
Range: NO or YES,Default NO
This function delays burner operation during CH mode
Range: 0 - 20 min, Default 1
When set, the appliance will operate to heat CH water
when water temperature falls below a differential setting.
Example: If set point is 180°F and differential is 27°F, the
appliance will turn on when CH water temperature falls
below 153°F. Range: 5°F - 30°F, Default 30°F
Set Heating combustion rate Range: 50 - 100%,
Default 100
Set DHW combustion rate
Range: 50 - 100% , Default 100
Allows the user to set the appliance pump post purge time
once the thermostat is satisfied. Range: 1-5 minutes ,
Default 1
Sets Maximum Indirect storage tank Temperature
Range:95 - 180°F , Default 120 °F
DHW Differential Set Point
Range: 5°F-30°F, Default 7 °F
DHW Pump Post Run Time
Range: 0-10 Min , Default 1 Min
DHW Priority Timer
Range: 0 – 60 Min , Default 30 Min
Boiler Supply Indirect Tank Temperature
Range: 120 °F– 180 °F , Default 180 °F
System Freeze Protection Mode. This mode should be
turned OFF for snow melt application. NOTE: This mode
should be ON during normal operation. Range: ON/OFF
5.7 Installer Mode (continued)
Page 61