Installation Guide

WHL-648 Rev. 000 Rel. 002 Date 1.3.18
49
I. Installer Mode
Installer Mode will activate when button is pressed and held for ve seconds while the appliance display is powered O.
Figure 47 - 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 10 and 11.)
Range: ON or OFF
4:Fu GA
Water Volume Unit Range: GA or Li
5:St ON
Stored Water Heating Function
Select “OFF” to turn o this function
Range: ON or OFF
6:OH 68F
Maximum Outdoor
Temperature
When used with an outdoor sensor, sets the maximum outdoor design temperature
for the system design. Maximum outdoor temperature must be set 9
o
F above the
minimum outdoor temperature.
Range: (Minimum Outdoor Temperature + 9
o
F) to 110
o
F
7:OL 5F
Minimum Outdoor
Temperature
Sets the minimum outdoor design temperature for the system. Minimum outdoor
temperature must be set at least 9
o
F below the maximum outdoor design
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:FH 00
Minimum Fan Speed
Adjusts Minimum Fan Speed
Range: -30 - +30
10:dr NO
Reset burner operation time
Select YES to reset burner operation time
Range: NO or YES
11:dl NO
Reset ignition cycle
Select YES to reset ignition cycles
Range: NO or YES
12:bt 0
Boost Function
When Outdoor Temperature Mode is used, this function boosts CH temperature to
the maximum supply temperature based on the outdoor reset curve if set point is
not reached within the set period of time.
Range: 0 - 120 min
NOTE: “0” means Boost Function is OFF.
13:Ft 1
CH Anti-Frequency Time
This function delays burner operation during CH mode.
Range: 0 - 20 min
14:bo 27F
Set dierential temperature to
turn burner “ON”
When set, the appliance will operate to heat CH water when water temperature falls
below a dierential setting.
Example: If setpoint is 180
o
F and dierential 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 68F
Warm Weather Shutdown
Warm weather shut down will shut down CH Mode if the programmed outdoor
temperature is exceeded.
Range: 50 - 110
o
F
16:cH 180F
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 Temperature + 9
o
F) - 180
o
F