HTP EL-399NVWH User Manual
Page 59
59
LP- 346 REV. 3.20.14
Function 6
VWH Post Pump Time
VWH POST PUMP TIME
0 MINUTES 6
The heater pump has the ability to post purge energy from the heater to the tank after the set point has been
achieved. Please note that running the pump for a time greater than 5 minutes may cause tank energy to be
released back to the heat exchanger. Factory Default of 0
Minutes. (Range: 0
– 10 minutes)
Function 7
Warm Weather Shutoff
WARM WEATHER OFF
68
o
F 7
Not applicable on this product.
Function 8
Min Outdoor Temp
MIN OUTDOOR TEMP
5
o
F 8
Not applicable on this product.
Function 9
Max Supply Temp
MAX SUPPLY TEMP
190
o
F 9
Not applicable on this product.
Function 10
Max Outdoor Temp
MAX OUTDOOR TEMP
68
o
F 10
Not applicable on this product.
Function 11
Min Supply Temp
MIN SUPPLY TEMP
95
o
F 11
Not applicable on this product.
Function 12
Min Heater Temp
MIN HEATER TEMP
68
o
F 12
Not applicable on this product.
Function 13
CH Post Pump Time
CH POST PUMP TIME
0 MINUTES 13
Not applicable on this product.
Function 14
DHW Priority
DHW PRIORITY
30 MINUTES 14
Not applicable on this product.
Function 15
Cascade Address
CASCADE ADDRESS
0 15
Bus addressing heaters (maximum heaters allowed 8 in a cascade system). Master Heater address is 0 and
Following Heaters are addressed 1 thru 7. Default: 0 (Range: 0
– 8). NOTE: DO NOT USE ADDRESS 8.
Function 16
Optional Inputs
OPTIONAL INPUT
RETURN SEN 16
Allows the user to select from optional inputs to control or monitor the system. Default: RETURN (Range: Off /
Booster Board / 0-10 Volt / DHW Sensor / Return Sen).
Function 17
0-10 Volt Function
0-10 VOLT FUNCTION
TEMPERATURE 17
Allows the user to control heater modulation through temperature control. Factory Default = Temperature
(Temperature only on VWH).
Function 18
Step Modulation Mode
STEP MODULATE MODE
ON 18
Not applicable on this product.
Function 19
Heater DHW Temp
HEATER SUPPLY DHW
180
o
F 19
Not applicable on this product.
Function 20
Water Safety Input
WATER SAFETY INPUT
WATER PRESSURE
20
The user can select various water safety inputs used in the heater system. Default: Flow Switch (Range: None / Low
Water Cut off / Flow Switch / Water Pressure).
Function 21
Error Outdoor Sensor
ERROR OUTD SENSOR
OFF 21
Not applicable on this product.
Function 22
Adjust Heater Output %
ADJ HEATER OUTPUT
100% 22
Allows the user to adjust the heater output down from 100% to 50%. Factory Default: 100%. (Range: 100%
– 50%)
Function 23
Cascade Mode
CASCADE MODE
VISION 3 23
Allows the user to select cascade mode. Factory Default: Vision 3 (Range: 926 Boilers / Vision 3).
Function 24
Cascade Rotation
CASCADE ROTATION
48 HOURS 24
Sets the amount of hours before the first heater in the cascade firing rotation will be changed. NOTE: If this
parameter is set to 0, the firing order of the heaters will not rotate. Default: 48 hours (Range: 0
– 240 hours).
Function 25
Cascade DHW Mode
NOT USED
NOT USED 25
Not applicable on this product.
Function 26
System Freeze Protect
SYS FREEZE PROT
PROTECT OFF 26
NOTE: This parameter is only present if the heater is a cascade master. Allows the user to set the freeze protection
when a system pump is used. Factory Default: OFF. Selection of temperature activates freeze protection. (Range:
OFF, -40
o
F
– 104
o
F).