lp-673 Rev. 000 Rel. 001 Date 8.30.18
38
F. Installer Mode
Installer Mode will activate when button
is pressed and held for five seconds while the water heater display is powered Off.
Figure 42 - Installer Mode Screens
Display
Default
Detail
Description
1:EH
E0.00
Error history up to 10
Check ten most recent Error Codes (E0 - E9)
2:cE
OFF
Clear Error History
Select “ON” to Clear Error History. Range: ON or OFF
3:In
OFF
System Reset
(Factory Setting)
Select “ON” to restore system to default factory settings
(Burner operation time, Ignition cycles, and Supply power time will not be reset. See
Functions 8 and 9.)
Range: ON or OFF
4:FH
00
Maximum Fan Speed
Adjusts maximum fan speed. Range: -30 to +30
5:FL
00
Minimum Fan Speed
Adjusts minimum fan speed. Range: -30 to +30
6:dr
NO
Reset Burner Operation Time
Select “YES” to Reset Burner Operation Time
Range: YES or NO
7:dl
NO
Reset Ignition Cycle
Select “YES” to Reset Ignition Cycles
Range: YES or NO
8:bo
7F
Set Differential Temperature to
Turn Burner “ON”
When set, the appliance will operate to heat water when water temperature falls
below a differential setting.
Example: If set point is 160
o
F and differential is 7
o
F, the appliance will turn on
when water temperature falls below 153
o
F. NOTE: The differential temperature
must be equal to or below the Storage Tank Differential Setpoint (11:dd).
Range: 5
o
F – 11:dd(Storage tank differential setpoint)
9:db
100
DHW capacity
Set DHW combustion rate
Range: 50 - 100%
10:dH
120F
Storage Tank Temperature Set
Point
Sets Maximum Storage Tank Temperature
Range: rE: 95 - 140
o
F or Co: 95 - 160
o
F
11:dd
7F
Storage Tank Differential Set
Point
Storage Tank Differential Set Point
Range: 5 - 30
o
F
12:Pr
1 MIN
System and Heater Pump Post
Run Time
System and Heater Pump Post Run Time
Range: 0 - 10 Min
13:ST
20F
Water Heater Offset
Temperature
Outlet temperature differential above tank set point. This is the amount of degrees
above the tank setpoint that the water heater will maintain its outlet water
temperature while there is a demand for heat.
Range: 5 – 40
o
F
14:FP
ON
System Freeze Protection Mode
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 or OFF
15:cn
0
Cascade Address
Cascade Address
Range: 0 (Master), 1 (follower 1), …., 20 (follower 19). Default: 0.
NOTE:
“16:cP” needs to be set with total number of units in the cascade parameter
before setting “15: cn”
NOTE:
The Master water heater must always be addressed 0.
16:cP
1
Cascade Parameter
Number of Units Cascaded
Range: 01 - 20
17:cI
1
Minimum Operating Number
for Cascade Units
Selects how many cascaded units will operate simultaneously when a DHW demand
is initially received.
Range: From 1 to Total Number of Units Cascaded
18:Eh
OFF
Factory Setting
Factory Setting - DO NOT CHANGE
19:Cr
Cr:at
Auto
Automatic Rotation
(default)
The first unit to operate when there is a DHW call is the unit that ran the least
amount of time during the prior heat calls (burner ON time).
Cr:Ct
48
Cascade Rotation Time
Cascade Rotation Time
NOTE:
If unit is set to run continuously, this parameter must be set, NOT Automatic
Rotation (Cr:at) to ensure even unit run time. Range: 0 - 240 Hours