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26:FP
ON
27:cn
0
28:cP
1
29:Eh
OFF
Cr:at
Auto
30:Cr
Cr:Ct
48
31:CT
180F
32:Cd
10 F
33:HA
HA 0
AP:cP
5
cP1:Off
or
OFF
34:AP
cP1:On
cP2:Off
or
OFF
cP2:On
OFF
YEAR
SS:Sd
MON
DATE
35:SS
SS:br
00
System Freeze Protection Mode
(Activates Based on Internal
Supply Water Temperature)
Cascade Address
Cascade Parameter
Common Vent
Automatic rotation (default)
Cascade Rotation time
Cascade System temperature
Cascade System Temperature
Differential (burner ON)
High Elevation Mode
CH System Pump and DHW
Indirect Pump Test Mode
Boiler and CH System Pumps Test
Mode
DHW Indirect Pump Test Mode
OFF
Allows the user to set the year of
next service reminder
Allows the user to set the service
reminder based on BURNER RUN
HOURS
Freeze Protection Operation
Stage 1 – If control detects water temperature of 46
o
(8
C) and below, it turns the DHW indirect and CH pumps
On for 600s and Off for 30s. This cycle repeats until the
control detects water temperature of 50
above.
Stage 2 – If control detects water temperature of 41
o
(5
C) and below, it turns the burner on to meet a target
o
o
temperature of 104
F (40
C). The burner and DHW indirect
and CH pumps will run continuously during this stage until
the control detects water temperature of 104
above.
Stage 3 - If control detects water temperature of 34
and below, Er: 85 will appear on the display. The control
turns the burner on to meet a target temperature of 104
o
(40
C). The burner and DHW indirect and CH pumps will
run continuously during this stage until the control detects
water temperature of 104
Range: 0 (Master), 1 (follower 1), ...., 19 (follower 19) Default: 0
NOTE: "28:cP" needs to be set on the Master boiler with total number of
cascaded units before setting "27: cn"
NOTE: The Master boiler must always be addressed 0.
Total number of cascaded units (Set on cascade Master boiler ONLY.)
NOTE: 28:cP will not appear on Follower boilers once it has been selected on
Range: 1 – 20 (Default: 1)
The first unit to operate when there is a T/T call is the unit that ran the least
amount of time during the prior heat calls (burner ON time).
Cascade Rotation time
Range: 0-240 Hours
Cascade System temperature:
Cascade System Temperature Differential (burner ON)
This boiler may be installed at elevations up to 10,000 feet and
operate on either Natural or LP. The appliance 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 Boiler Operation at Elevation:
0-2 for installation locations from sea level to 2000 feet
2-5 for locations from 2000 to 5000 feet
5-8 for locations from 5000 to 8000 feet,
8-10 for locations from 8000 to 10000 feet
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
This function sets the time to run Boiler pump, CH System pump or DHW
Indirect pump to purge air from the system. Range: 1 – 30 minutes
Turn this function on to activate Boiler pump and CH System pump.
Only works in installation mode. Turns off when in normal mode.
Turn this function on to activate DHW Indirect pump.
Only works in installation mode. Turns off when in normal mode.
Allows the user to set the date of next service reminder
XX / XX / XXXX (MONTH / DAY / YEAR)
A wrench will be displayed on the display panel when the service is due.
Allows the user to set the service reminder based on BURNER RUN HOURS
A clock will be displayed on the display panel when the service is due.
Range: 00 indexing to 9,999 hours
NOTE: Two digits will appear initially. As you scroll to the right more digits will
o
F
o
o
F (10
C) and
o
F
o
o
F (40
C) and
o
o
F (1
C)
o
F
o
o
F (40
C) and above.
Cascade Number
the Master.
Common Vent
Range: ON / OFF
Range: 95F – 180F
Range: 5-30 F
Default: 0 – 2
out of range.
appear.
WHL-032 REV. 6.2.16
56
Range
ON or OFF
(Default: ON)
NOTE: If using
boiler for Snow
Melt applications,
turn Freeze
Protection OFF.
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