33
P/N HN-IOM-1 82-0331 Copyright 2009 Mestek, Inc.
Finned copper tube gas boilers & water heaters – Control manual
ADVANCED SETUP
Table 8
menus
(
see Table 9, page 35 for explanations
)
To enter Setup: From STANDBY, hold
for 5 seconds. (If SKIP PASSWORD is set to OFF, you will have to enter the password.)
Then press
with cursor on
SETUP
.
Make sure there is no call for heat at the boiler before attempting to perform setup adjustments.
To return to STANDBY, press/release
until the display returns to standby, or turn boiler ON/OFF switch off, then on.
Level 1
next item
to select
Level 2
next item
to select
back one level
Level 3
next item
to select
back one level
Default {Range}
to change value
to accept value and return to previous menu level
Typical line
(Display shows four lines at a
time; cursor indicates active
line)
DISTRIBUTED CTRL
CONTROL
HNET
CONTROL H-NET
H-NET MASTER YES
LOCAL ADDRESS 255
MODBUS ADDRESS 1
H-NET MASTER
YES (Display only, not changeable here) (MEMBER boilers will show NO, and
addresses must be set from 2 to 16.)
H-NET ADDRESS
Master default = 255 (not changeable); Member default = 2 (Range = 2 to 16)
MODBUS ADDRESS
Default = 1; Range = 1 to 247
MODULAR BOILER SET
ADD BOILER DELAY
10 minutes {0 to 15 minutes}
ADD DELAY TIME
10 MINUTES
0 SECONDS
SHED BOILER DELAY
2 minutes {0 to 15 minutes}
SHED DELAY TIME
2 MINUTES
0 SECONDS
MODULATE DELAY TIME
10 seconds {0 to 60 minutes}
MODULATE DELAY TIME
0 MINUTES
10 SECONDS
MOD MAX - LAST FIRE
50% {25 to 100%}
STOP MOD MAX
% 50
ADAPTIVE MOD
MOD MODE
ADAPTIVE {ADAPTIVE or ORIG KN}
DROP DOWN
ON PILOT {ON PILOT or IMMEDIATELY}
DELAY RELEASE
0 seconds {0 to 600 seconds}
PID (FACTORY)
Factory set, not adjustable
PID (FACTORY)
FIRING MODE
FIRING MODE
MASTER FIRST
TRUE ROTATION {TRUE ROTATION, LAST ON FIRST OFF, FIRST ON FIRST OFF}
OFF {ON or OFF}
FIRING MODE
TRUE ROTATION
MASTER FIRST OFF
SENSORS
SENSOR #
TYPE
CALIBRATE
OUTSIDE {OUTSIDE, SUPPLY, RETURN, HEADER, 5, 6}
TYPE Z {TYPE Z (10K), ON/OFF, NONE}
NO {YES or NO}
SENSOR ASSIGNMENTS
SENSOR # OUTSIDE
TYPE TYPEZ
CALIBRATE? NO
CALIBRATE
If YES is selected:
(See explanation, Table 9, page 35)
PLACE A PRECISION
1K OR 10K RESISTOR
ON CHANNEL # 1
TRIM OHMS = 120
Control menus and adjustments
(continued)
7
