45
LP-496 REV. 11.23.15
Display
Default
Detail
Description
5: St
ON
Stored water heating
function “ON”, “OFF”
Select “OFF” to turn off this function
Range: ON or OFF
6: OH
68 F
Maximum Outdoor
Temperature
When used with an outdoor sensor,
sets the maximum outdoor design
temperature for the system design.
Warm weather shut down will disable the
appliance if the programmed outdoor temperature is exceeded. Maximum
outdoor temperature must be set 9
o
F above the minimum outdoor
temperature.
Range: (Minimum Outdoor Tempe 9
o
F) to 110
o
F
7: OL
5 F
Minimum Outdoor
Temperature
Sets the minimum outdoor design temperature for the system. Minimum
outdoor temperature must be set 9
o
F below the maximum outdoor
temperature.
Range: -4
o
F to (Maximum Outdoor Temperature - 9
o
F)
8: FH
00
Maximum Fan speed
Adjusts Maximum Fan Speed
Range: -30 - +30
9: FL
00
Minimum Fan speed
Adjusts Minimum Fan Speed
Range: -30 -+30
10: dr
NO
Initialized burner
operation time
Select ON to Initialize burner operation time
Range: NO or YES
11: dI
NO
Initialized ignition cycle
Select ON to Initialize ignition cycles
Range: NO or YES
12: bt
0
Boost Function
This function boosts CH temperature to the maximum if set point is not
reached within the set period of time.
Range: 0 - 120 min
13: Ft
1
CH Anti-Frequency time
This function delays burner operation during CH mode
Range: 0 - 20 min
14: bo
27 F
Set differential
temperature to turn
burner “ON”
When set, the appliance will operate to heat CH water when water
temperature falls below a differential setting.
Example: If setpoint is 180
o
F and differential is 27
o
F, the appliance will turn
on when CH water temperature falls below 153
o
F.
Range: 9 - 27
o
F
15: OF
68 F
Warm Weather
Shutdown
This warm weather temperature setting will shut down CH Mode
Range : 50
- 110
o
F
16: cH
180 F
Maximum supply
temperature
Sets the maximum design supply temperature based on the minimum
outdoor design temperature. Maximum supply temperature must be set 9
o
F
above the minimum supply temperature.
Range: (Minimum Supply Tempe 9
o
F) - 180
o
F
17: cL
86 F
Minimum supply
temperature
Sets the design supply water temperature based on the maximum outdoor
design temperature. Minimum supply temperature must be set 9
o
F below
the maximum supply temperature.
Range: 86
o
F to (Maximum Supply Temperature - 9
o
F)
18: dH
140 F
Maximum DHW set
temperature
Sets Maximum DHW Setpoint temperature
Range:120
-
140
o
F
19: cb
100
Heating capacity
Set Heating combustion rate
Range: 50 - 100%
20: db
100
DHW capacity
Set DHW combustion rate
Range: 50 - 100%
21: PP
40
Internal CH Pump Post
Run Timer,
T/T Calling for Heat
When appliance CH setpoint is satisfied, but T/T is calling for heat, the
burner will shut OFF and the CH pump will continue to run for this set
amount of time
Range: 1 ~ 60 minutes
22: Po
5
Internal CH Pump
Overrun Timer
(On)
This function runs the Internal CH Pump after the Internal CH Pump Post
Run Timer has completed. This will cycle the Internal CH Pump again
based on the default programmed Off and On cycles and repeats until the
central heating call is satisfied.
Range: 1~60 minutes
23: PF
10
Internal CH Pump
Overrun Timer
(Off)
24: SF
158 F
Internal DHW Storage
Tank Setpoint
Sets the Internal DHW Storage Tank Setpoint
Range:140 ~ 167
o
F
25: So
27 F
Internal DHW Storage
Tank Differential
Sets the Internal DHW Storage Tank Differential
Range: 9 ~ 36
o
F
26: dt
2
Delay time when
switching from DHW
mode to CH mode
Range: 0
– 2 minutes
Summary of Contents for EFTC-140F
Page 2: ...2 LP 496 REV 11 23 15 ...
Page 37: ...37 LP 496 REV 11 23 15 Figure 24 Electrical Wiring Diagram ...
Page 38: ...38 LP 496 REV 11 23 15 Figure 25 Ladder Diagram ...
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