Instruction manual

32
P/N HN-IOM-1 82-0331 Copyright 2009 Mestek, Inc.
Finned copper tube gas boilers & water heaters – Control manual
Table 7 SETUP menus (continued) (see Table 9, page 35 for explanations)
Control menus and adjustments (continued)
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)
AUX FUNCTIONS COMBUST AIR DAMPER TYPE LINKED/COMMON {LINKED/COMMON or INDEPENDENT}
TYPE: LINKED/COMMON
IN USE? NO
INPUT: J12B DAMPER
PROOF TIME 2:00
IN USE? NO {YES or NO}
INPUT: J10B “DAMPER” {J10B DAMPER or J12B terminal 7} Change only when required to
maintain existing wiring on boilers with an older edition of the firmware that used
J10 B instead of J12 for this interlock.
PROOF TIME 2:00 minutes {0 to 4 minutes}
ALARM SILENCE IN USE? YES {YES or NO}
ALARM SILENCE SWITCH
IN USE? YES
INPUT=J10B SPARE 2
INPUT= J10B SPARE 2 {see explanation, Table 9, page 35}
FAILSAFE MODES RUN IN LOCAL IF:
H-NET COMM LOST:
LOW TEMP:
TEMP < 40F
ON {ON or OFF}
OFF {SUPPLY, SYS/DHW HEADER, RETURN, N/A, or OFF}
40°F {35 to 200°F}
RUN IN LOCAL IF:
H-NET COMM LOST:OFF
LOW TEMP: OFF
TEMP< 40°F
HEAT EXCHANGER ALARM TYPE: WARNING {WARNING or FAULT}
ADAPTIVE INPUT
EXCHGR DELTA 40°F
LIM->HALF RATE NO
EXCHGR DELTA T 40°F {1 to 120°F} (Not selectable — preset based on boiler size)
LIM->HALF RATE NO {YES or NO}
DOMESTIC HOT WATER DHW BOILER? NO {YES or NO}
DHW SETPOINT 160°F {10 to 200°F}
DHW DIFF 5°F {1 to 30°F}
USER SENSOR? NO {YES or NO}
DHW PRIORITY NO {YES or NO} {YES or NO}
POST PURGE 120 seconds {0 to 600 seconds}
DEMAND STARTS? YES {YES or NO}
SYSTEM CLOCK TIME See explanation, Table 9, page 35
TIME 11:20AM
DAY OF WEEK MON
MONTH JAN
NEXT
DAY OF WEEK
MONTH
DAY
DAY FRI
YEAR 2008
PRESS SEL TO SAVE
YEAR
7