Instruction manual

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)
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