Mini-MOD & Mini-Extension Installation Manual 27
059040-00 C
MaIntenance
Button:
MENU/<Maintenance>
The Maintenance menu gives access to sensor and outputs trimming and Soft-Off. In addition,
you'll have access to view the Startup configuration settings.
alert
To be able to change the Mini-MOD settings the Program/Run Switch must be set
to Program. The switch is located under the Enclosure Wiring Cover for security.
The Enclosure Wiring Cover can be securely closed using a lock.
----- MAINTENANCE ----
System Trim
0
o
F
Outdoor Trim
0
o
F
Soft-Off-Delay 45sec
<Output Trim>
<Configuration>
BACK
▲
▼
SELECT
SYSTEM
A
B
C
D
Full Modulation Sequencing Control
1 2
RUN
PROGRAM
FOR ALL CIRCUITS
120VAC, 6A RESISTIVE
OUTPUT RATINGS:
1A PILOT DUTY, 15A TOTAL
115VAC 60Hz , 12VA MAX
INPUT RATINGS:
USE COPPER CONDUCTORS ONLY
DO NOT APPLY ANY VOLTAGE
TO INPUT TERMINALS
3 4 5 6 7 8 9 10 11 12
13
15
14
17
16
18
22
20
19
21
24
23
29
25
27
26
28
32
30 31
L N
-
+
+
T
T
O
O
RS-485
mA
GND
VLT
SYS
A
B
C
D
PWR
CUR / VLT
A
-
+
+
mA
GND
VLT
-
+
+
mA
GND
VLT
-
+
+
mA
GND
VLT
+
mA
TEMP
OUTDOOR
O
O
TEMP
SYSTEM
EXTENSION
MODULE
CUR / VLT
B
CUR / VLT
C
CUR / VLT
D
CAUTION
: RISK OF ELECTRIC SHOCK
More than one disconnect switch may be required
to de-energize the equipment before servicing.
PROVE
/DHW
SHUTDOWN
/TSTAT
/SETBACK
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT
99RA
Mini-MOD
systeM & outdoor sensor trIM
Adjustable from -5F
°
/-3C
°
to +5F
°
/+3C
°
Default: 0
°
F
Button:
MENU/<Maintenance>/System Trim
Button:
MENU/<Maintenance>/Outdoor Trim
• The Heat-Timer thermistor type sensors are very accurate, and normally require no calibration.
Sometimes it may be desirable to make small adjustments to the displayed value for either the
Outdoor temperature (OD) or the System temperature (SYS). The Trim setting can adjust the
displayed value by ± 5°F.
• Do not use the Trim setting to make the Outdoor temperature sensor match that reported on
the radio or TV. Outdoor temperature can vary widely over a broadcast range. Only trim the
outdoor sensor based on an accurate thermometer reading taken where the sensor is located.
SYSTEM SENSOR TRIM
+0
o
F
[
]
BACK
▲
▼
SAVE
OUTDOOR SENSOR TRIM
+0
o
F
[
]
BACK
▲
▼
SAVE
soft-off delay
Adjustable from 0sec to 60sec
Default: 45sec
Button:
MENU/<Maintenance>/Soft-Off Delay
• When a stage is no longer needed, the Soft-Off keeps that stage burner in Low Fire prior to
turning it off.
• The display will show a percent that is equal to the Ignition % for the stage in Soft-Off delay.
That number will blink for the Soft-Off delay period.
• If during the Soft-Off delay period the Mini-Mod needed that stage to turn back on, the stage
will be released from the Soft-Off delay and resume normal operation.
• On a Shutdown initiation or Tstat termination any stage that was on will go into Soft-Off delay
before fully turning off.
-- SOFT-OFF DELAY --
45sec
[
]
BACK
▲
▼
SAVE
alert
When using Soft-Off and Last Stage Hold, the last boiler stage will not turn off until
both parameters have elapsed. In this case, Soft-Off will start after the Last Stage
Hold has been reached or exceeded.
output trIM
Adjustable from -1.0 to +1.0
Default: 0.0
Button:
MENU/<Maintenance>/Output Trim
• Each of the stages controlled by the Mini-MOD has a separate Output Trim setting.
• Output Trim acts as an adjustment to a stage output percent to match the burner motor.
• After adjusting the Output Trim, test the operation to make sure the results match your
expectation.
-- STAGE A TRIM --
Output Trim
+0.0
<Prev Stage>
<Next Stage>
BACK
▲
▼
SELECT
alert
DO NOT use the Output Trim for a Stage unless it is absolutely necessary. Test
burner operation and modulation output matching after adjusting the Output Trim.
------- STAGE A -------
OUTPUT TRIM
+0.0
[
]
BACK
▲
▼
SAVE
