Instructions / Assembly
51
WHL-590 REV. 7.27.16
Display
Default
Detail
Description
0: RC
Recirculation Pump Operation
: Recirculation Pump is not used. (Recirculation and Preheat Modes are
OFF.)
: Preheat Mode is used. The water heater automatically turns on and
meets the DHW setpoint temperature when the internal temperature falls below
the differential setting (15: So).
: Internal Recirculation Mode – Internal recirculation pump is used.
: External Recirculation Mode – External recirculation pump is used.
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 and OFF
3: In
OFF
System Reset
(Factory Setting)
Restores System to Default Factory Settings
(Burner operation time, Ignition cycles, and Supply power time will not be
reset)
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: dI
NO
Reset Ignition Cycle
Select “YES” to Reset Ignition Cycles
Range: YES or NO
8: Cn
0
Cascade Number
N/A
9: CP
1
Cascade Parameter
10: Eh
OFF
Common Vent
11:Cr
Auto
Auto
Automatic rotation
Cr:Ct
48
Cascade Rotation time
12: HA
0-2
High Elevation Mode
This water heater may be installed at elevations up to 10,000 feet and operate
on either Natural or LP. The water heater will de-rate by 4% for each 1000 feet
above sea level. Select the appropriate installation location as described below.
Selects Installation Location for Proper Water Heater Operation at Altitude:
0-2 for installation locations from sea level to 1999 feet
2-5 for locations from 2000 to 4999 feet
5-8 for locations from 5000 to 7999 feet,
8-10 for locations from 8000 to 10000 feet
Default: 0 – 2
NOTE: Use a combustion analyzer to ensure CO and CO2 are within the
ranges shown in this manual. Adjust the offset screw in the clockwise (positive)
or counterclockwise (negative) directions (approximately 1/8 turn) if the
measured CO2 value on LOW FIRE is out of range.
13:AP
AP:cP
5
Pump Test Mode
This function sets the time to run pumps and powers solenoid valve to purge air
from the system. Range: 1 – 30 minutes
Pu:oF
or
Pu:on
OFF
Turn this function on to activate pump testing.
Only works in installation mode. Turns off when in normal mode.
14: SS
SS:Sd
OFF
OFF
Sets the date of the next service reminder: XX/XX/XXXX (MONTH/DAY/YEAR).
YEAR
Service Reminder Date
MON
DATE
SS: br
0
Service Reminder Run Hours
Sets the next service reminder based on burner run hours. (OFF, 0 - 9000
hours)
15: So
15 F
Preheat, Recirculation, and/or Air
Handler Differential Temperature
When set, the water heater will turn on when water temperature falls below this
differential temperature setting.
Example: If set point is 125
o
F and differential is 10
o
F, the water heater will turn
on when water temperature falls below 115
o
F.
NOTE: This parameter is operational on Recirculation and Air Handler modes
ONLY. Default: 15
o
F. Range: 9 - 36
o
F
16: UC
FAH(F)
FAH(F)
Temperature Measurement Unit
Allows the user to change the temperature measurement unit from Fahrenheit
to Celsius.
CEL(C)
17: IM
On
ON
IWM Step Motor Mode
IWM Step Motor is in use (ON) or not in use (OFF)
OFF
Ind