HydroTherm HeaetNet V3 KN-10, User Information

Page: 61 / 108

DEFAULT SETTINGS & MENU ITEM DESCRIPTIONS HeatNet Control V3 2.x
Page 61
Default Settings & Menu Item Descriptions
— SETUP
MENU
DEFAULT
VALUE
RANGE DESCRIPTION
BOILERS
# OF BOILERS 1 (1-16) If operating as a member.
LEAD BOILER # 0 (0-16)
# of first boiler to run, determines the fire order in rotation. A
LEAD BOILER # 0 (0-16)
# of first boiler to run, determines the fire order in rotation. A 0
disables the Lead Boiler function. Firing Mode determines lead.
HEAT BAND
30

F (2 -50

F) Differential temp around setpoint used to stage boiler(s) OFF/ON
HNT M (M-16)
This line displays the boilers auto detected by H-Net. While M is the
Master boiler the numbers are the H-Net address of each boiler from
2–16.
SETPOINTS
LOCAL SETPT 160

F (40-220
°
F) Local setpoint used to maintain temperature of SETPT SOURCE
OPERATE LIMIT 215

F (45-230
°
F)
When running as a member, boiler shuts off when supply
temperature reached.
Boiler restarts at lower temp of OP LIM BAND or 10F whichever is
lower
LOCAL SETPT
160

F (40-220

F)
Local setpoint used to maintain temperature of SETPT SOURCE
OP LIM BAND 20

F (1-50

F) Limits external input % when in (OP LIM - OP LIM BAND)
SETPT SOURCE AUTO
AUTO
4-20mA
AUTO = Local/ System/ WWS Setpoint is used
4-20mA input is mapped to a setpoint.
OUTDOOR AIR RESET
OA RESET OFF Outdoor reset ratio (boiler water temp/outside air temp).
WARM WEATHER SD NO
If set to YES, the boiler /system shuts down when the temperature
exceeds the WWS SETPOINT.
WWS SETPOINT 68

F (40
– 100

F)
Temperature at which boiler shuts down, operation is below this.
If boiler is running using either OA RESET or WWS and the OR
OVR input is closed the OA RESET slope is overridden and runs at
local setpoint until OR OVR input opens.
SET OA SETPOINTS
WATER TEMP
At
HIGH OA TEMP
140

F (60
– 190

F)
Boiler water temp setpoint when OA temp is at HIGH OATEMP
These four setpoints determine the OA reset slope.
WATER TEMP
At
LOW OA TEMP
10

F (-35
– 40

F) Header/Supply setpoint when OA Temp is at LOW OA TEMP
PUMP OPTIONS
SYSTEM PUMP
POST PRGE TIME 2 minutes (2-60min) Time in minutes to keep system circ. pump on after boiler stops
PUMP ROTATION New menu screen
ROTATION: NONE
NONE
SYS HRS
PUMP HRS
SYSTEM PUMPS 1 1 or 2 The number of system pumps connected.
ROTATE TIME 240 hrs 1-1000 hrs
If ROTATION is set to SYS HRS, ROTATE TIME is used to switch
pumps when this time expires. This time is measured against the
actual time the system pump is enabled. This would include a post
purge time.