Page 9 of 12
The FT Series Floor Standing, Combination Boiler
Page 69
Index
Default
Parameter
Description
1: EH
Error History
History fault code (E0~E9)
2: cE
OFF
Clear Error History
Clearing of error History buffer
3: In
OFF
System initialize
System initialize to default
4: Fu
GA
Flow unit
gallon / liter
5: St
On
Heat storage function
Heat storage function On/Off
6: OH
68°F (20°C)
Maximum Outdoor Temperature
Range: (Minimum Outdoor Tempe 9°F) to 110°F
7: OL
30°F (-1°C)
Minimum Outdoor Temperature
Range: -4°F to (Maximum Outdoor Temperature -9°F)
8: FH
0
Max fan
Adjusts Maximum Fan Speed
Range: -30 - +30 Default 00 Note: Factory set - do not adjust
9: FL
0
Min fan
Adjusts Minimum Fan Speed Range: -30 -+30 Note: Factory set - do not adjust
10: dr
NO
Delete running time
Delete running time
11: dI
NO
Delete igniting times
Delete igniting times
12: bt
0
Outdoor reset Boost Delay Time
When using the outdoor reset sensor, if a call for heat is longer than Boost delay time,
the boiler will Boost to the maximum supply water temperature - see parameter 16CH.
(0~120 min)
13: Ft
1 min
Delay time for heating burner
operation
Burner does not operate during the delay time when the burner is turned off due to
the temperature during heating operation. (0~20 min)
14: bo
15°F (10°C)
Burner ON differential
Heating temperature setting during heating operation –
Operate in burner ON temperature setting Range: 9 - 27°F (5 - 15°C)
15: OF
110°F (38°C)
Warm Weather Shutdown
This warm weather temperature setting will shut down CH Mode.
Range: 50 - 110°F (10 - 43°C).
16:cH
180°F (82°C)
Setting for Heating Maximum
Temperature
Range: 9°F less than Minimum Temperature to 180°F
5°C less than Minimum Temperature to 82°C
17:cL
130°F (54°C)
Setting for Heating Minimum
Temperature
Range: 86°F to 9 degrees °F less than Maximum Temperature
18:dH
140°F (60°C)
Setting for Hot Water Maximum
Temperature
Range: 120°F - 140°F (49°C to 60°C)
19:cb
100%
Heating Combustion Rate
Range: 50%~100%
20:db
100%
Hot Water Combustion Rate
Range: 50%~100%
21:PP
40 min
Boiler pump post burner limit
run time
(Boiler Pump) 1 min - 60 min. As long as TT is closed, boiler and system pump
both run, even when boiler hits high limit. (TT is closed).
22:Po
5 min
Pump on Time
(Boiler Pump Repeat ON Time) Range: 1 min ~60 min (While TT is closed)
23:PF
0 min
Pump off Time
(Boiler Pump Repeat Off Time) Range: 0min ~60 min (While TT is closed)
24:SF
150°F (66°C)
Storage off temperature
Range: 140°F - 180°F (60°C to 82°C)
24:SF
105°F (41°C)
DHW Recirculation off temp
(when DHW/Surface sensor is
connected)
Range: 95°F - 140°F (35°C to 60°C) The range is automatically changed when
DHW/Surface sensor is connected.
25:So
18°F (10°C)
Storage on
Δ
temp
Range: 9°F - 36°F (5°C to 20°C)
25:So
9°F (5°C)
DHW Recirculation on temp
(when DHW sensor or aquastat
is connected)
Range: 9°F - 27°F (5°C - 15°C) The range is automatically changed.
26:dt
0 min
Smart DHW Priority Delay time
Range: 0 – 2 minutes. If Smart DHW Priority is ON (see parameter P36), a call for
domestic hot water will be prioritized by the boiler for delay time value. The boiler
will turn heating back on as long as boiler can satisfy both domestic and heating
demands otherwise, heating will remain off until domestic demand has ended.
27:PE
1 min
Internal Boiler Pump and system
pump Post-Purge Time,
T/T Satisfied
Allows the user to set the boiler pump and system pump post purge time once
the appliance CH set point and thermostat are satisfied. Range: 1-5 minutes
28:
HA
0-2
High Elevation Mode
High Elevation Mode: 0 - 2, 2 - 5, 5 - 8, 8 - 10 Default: 0 - 2
0 - 2: 0 - 2,000 ft
2 - 5: 2,000 - 5,000 ft
5 - 8: 5,000 - 8,000 ft
8 - 10: 8,000 - 10,000 ft
Index
Default Parameter
Description
29: AP
AP:cP
5
CH System Pump and
DHW Indirect Pump Test
Mode
This function sets the time to run Boiler pump to purge air from the
system. Range: 1 – 30 minutes
OFF
Boiler Pumps Test Mode
Turn this function on to activate Boiler pump.
Only works in installation mode. Turns off when in normal mode.
cP:Off
or
cP:On
30: dP
4 hrs
DHW Timeout Feature
Range: 0 - 12 hours, ‘0’ OFF
31: SA
AqUA
dHr
Select AqUA or dHr
Select Storage Type, Aquastats or DHW-recirc Sensor (Affects P24:
SF, P25: So)
- Aqua: DHW Recirculation Operation with aquastat (not supplied)
- dHr: DHW Recirculation Operation with DHW-R / surface sensor
(optional equipment)
- dHr Sensor not connection: Storage Operation
dHr
32: rC
15 min
DHW in stand-by, DHW
recirc pump not running for
recirc for 15 min. (Applies
when not using DHW-R
sensor or aquastat; pairs
with P33)
Range: 1 – 60 (min)
To run continuously between
rC and rt
If flow is detected, rC timer
resets to zero.
33: rt
10 min
DHW recirc pump run time
to reach DHW recirc temp. Range: 0 – 15 (min)
34: HF
80%
Hybrid Off Firing Rate
(DHW mode change: CH-
Off, DHW ON)
Activated during “Smart” DHW function,
Boiler firing rate has reached set maximum heating rate, deactivate
the external CH pump for DHW priority, Range 50 - 90%
35: Hn
50%
Hybrid On Firing Rate
(CH mode change: CH +
DHW)
During activate “Smart” DHW function,
Boiler firing rate has reached set minimum firing rate, activate
external CH pump, Range 30 - 50%
36 : Ho
ON
“Smart” DHW mode:
ON/OFF
Activate “Smart” DHW operating function: ON/OFF
When set to ON, it operates in hybrid mode.
When set to OFF, it operates in normal mode. (DHW priority)
Installer Parameters (cont)
Parameters 31 to 36 are for the floor model combi units only.
FT WALL MOUNTED AND FLOORSTANDING COMBI MODELS
