Page 1
MINI-MAX
WIRELESS
INSTALLATION
THIS MANUAL IS DESIGNED TO LEAD YOU STEP BY STEP THROUGH THE PROCEDURES REQUIRED
TO TEST, INSTALL AND USE YOUR WIRELESS MINI-MAX. BY FOLLOWING THESE PROCEDURES AND
SETTING UP THE SYSTEM CORRECTLY IN THE BEGINNING, YOU WILL BE ABLE TO ENJOY ALL THE
FEATURES OF YOUR WIRELESS MIN-IMAX FOR YEARS TO COME. WE STRONGLY SUGGEST THAT
YOU PERFORM A TRIAL WIRING OF YOUR WIRELESS MINI-MAX PRIOR TO FINAL INSTALLATION.
Wire the receiver to the MINI-MAX display unit.
1
Connect the and wires from the RECEIVER
RED GREEN
RED
GREEN
to the power terminals on the back of the MINI-MAX (the
polarity does not matter). Connect the wires from the 12 volt
power supply to the same power terminals (again the polariity
does not matter). Connect the wire from the RECEIVER
WHITE
WHITE
to TERMINAL #1 and the BLACK wire from the RECEIVER to
TERMINAL #2 on the rear of the MINI-MAX meter.
RECEIVER WIRING
WHITE.............to...............TERMINAL #1
WHITE
BLACK............to...............TERMINAL #2
.................to........Power (no polarity)
RED
RED
GREEN
GREEN
............to........Power (no polarity)
POWER
TERMINALS
12 VOLT
POWER
SUPPLY
1
2
IN
G
N
3
4
D
O
U
T
RED
RED
MINI-MAX
5
GREEN
GREEN
RECEIVER
BLACK
BLACK
WHITE
WHITE
The MINI-MAX should now show a default temperature
reading of approximately 32 . Refer to the troubleshooting
section if the reading is not approximately 32 .
3
Open the battery compartment of the temperature transmitter
by removing the stainless steel screws in the cover. Insert
two Alkaline batteries. The test light in the wireless transmitter
will blink red once to indicate that the batteries have been
installed properly.
A
K
L L
A I
A IN
A
L
K L NE
E
TEST LIGHT
WIRELESS
TRANSMITTER
ALKALINE
BATTERIES
2
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 1
Page 2
MINI-MAX
WIRELESS
INSTALLATION
4
Test the transmitter by depressing the test button. After a few seconds
the test light should blink RED every four seconds. This indicates that
the transmitter is in test mode, which lasts for 15 minutes. At the end of
15 minutes the transmitter will return to normal operating mode. After
initial power up, the indicator light on the receiver should blink GREEN
every four seconds. This indicates proper communication between the
receiver and the temperature transmitter.
(NOTE: If more than 15 minutes has passed since the button on the
temperature transmitter was pushed, it will need to be pushed again.)
The light on the receiver will blink other colors when different sensors
are installed.
RED
RECEIVER
INDICATOR
RED
....................WIND
RED
GREEN
GREEN
ORANGE
ORANGE
.........TEMPERATURE
................RAIN
GREEN
TRANSMITTER
TEST
BUTTON
TEST LIGHT
L LA KA
E
I
NE
IN
L
ALKA
TRANSMITTER
1
2
3
4
5
I
N
G
N
D
OUT
5
6
Replace the plastic battery cover. Make
sure to seat the cover properly over the
glued in gasket.
12 VOLT
RECEIVER
POWER SUPPLY
Once the transmitter has been activated, the default temperature
reading of approximately 32 should be replaced by a present
temperature reading. Refer to the troubleshooting section if a
present temperature reading does not appear.
A L
LK
A I
NE
E
IN
AL
K
L
A
COVER
TEMPERATURE
SENSOR
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 2
Page 3
MINI-MAX
WIRELESS
INSTALLATION
RECEIVER
7
Move the active temperature transmitter as close as possible to
your preferred final mounting location. Also move the MINI-MAX
indicator and receiver combination as close as possible to their
final mounting location. Select a location for the transmitter that
5
40
0
60
0
3
70
20
10
0
0
1
0
1
-
0
0
2
-
0
0
1
3
-
-
0
-2
0
3
-
is protected from direct sunlight and sheltered from rain or
80
20
9
3
0
0
4
physical damage. A North exposure, six feet above the ground
1
0
0
11
1
2
lsius
e
C
will give the best results. Check to make sure that proper
t
i
e
h
n
e
r
F
h
a
communication between the transmitter and receiver still exists
by verifying that the light on the receiver is still flashing GREEN
every four seconds. NOTE: If more than 15 minutes has passed
GREEN
TRANSMITTER
since the test button on the temperature transmitter was pushed,
it will need to be pushed again. If the signal has been lost, move
the transmitter to an alternate mounting location and re-check
for proper communication.
8
BRACKET
MOUNTING
SCREWS
Once proper communication between the transmitter and receiver
is verified, final installation of the transmitter can be made.
Remove the four screws on the sides of the mounting bracket
and remove the bracket from the transmitter housing. Attach
the mounting bracket to the wall using the four stainless steel
mounting screws supplied in the hardware package. Once the
bracket is installed simply re-attach the transmitter housing to the
bracket using the four screws initially removed to separate the bracket
from the housing.
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 3
Page 4
W
A
L
MINI-MAX
WIRELESS
INSTALLATION
SCREW
L
HOLE
RECEIVER
12 VOLT
POWER
SUPPLY
CABLES
CABLE-HOLE
SCREW
WOOD
PANEL
40
5
0
0
3
02
0
1
0
-1
0
02
-
0
1
-
30
-
2
- 0
siu
el
C
-30
F
a
e
r
h
6
0
7
10
0
s
e
h
n
0
2
0
8
0
3
0
9
0
40
10
1
1
1
2
t
i
9
Mount the MINI-MAX indicator directly over the cable hole that is also used
to route power to the instrument. For the cleanest installation, we recommend
making a hole in the wall large enough to insert the wireless receiver. We also
recommend mounting the brass meter to one of our pre-drilled mounting panels.
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 4
Page 5
MINI-MAX
WIRELESS
OPERATION
Your Mini-Max has two switches. The toggle switch is for selecting the function. The small push button
switch behind the toggle is for resetting the memories.
1
Lightly holding the toggle switch to the
left will display the recorded low
temperature since the last reset.
Lightly holding the toggle switch
to the right will display the recorded
high temperature since the last reset.
2
3
Fully depressing the small push button switch for five seconds resets
both memories. The instrument will now display current temperature
and the memories will once again begin storing the new high and low
temperatures.
(After resetting wait 10 seconds before activating the toggle switch.)
NOTE: Before reading your
thermometer, you should
lightly tap the case with
your finger. A tap change
of 1-2 degrees is a common
occurrence with any slow moving
precision meter movement.
The trend register needle can be set by turning the center
knob on the indicator dial.
4
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 5
Page 6
MINI-MAX
WIRELESS
OPTIONAL INSTALLATION
MINI-MAX WITH MAESTRO
MAESTRO
WHITE
WHITE
BLACK
2
3
1
4
5
MCO
N
I
OUT
12 VOLT
POWER
SUPPLY
MINI-MAX AND MAESTRO CONNECTIONS
MINI-MAX
2
3
1
4
5
MO
N
I
OUT
C
WHITE
WHITE
BLACK
RECEIVER
Connect the and wires from the RECEIVER to the power terminals on the back of the MINI-MAX
1
(no polarity).
RED GREEN
RED
GREEN
Connect the wires from the 12 VOLT POWER SUPPLY to the same MINI-MAX power terminals (no polarity).
On the MINI-MAX, connect the wire from the RECEIVER to TERMINAL #1 (IN) and the BLACK wire from
2
the RECEIVER to TERMINAL #2 (COM).
Connect the two instruments using the supplied grey sheathed BLACK and wires as follows:
3
A. Connect the wire from MAESTRO TERMINAL #1 (IN) to MINI-MAX TERMINAL #3 (OUT)
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
B. Connect the BLACK wire from MAESTRO TERMINAL #2 (COM) to MINI-MAX TERMINAL #2 (COM)
4
Connect the wires from the 12 VOLT POWER SUPPLY to the MAESTRO power terminals (no polarity).
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 6
Page 7
MINI-MAX
WIRELESS
OPTIONAL INSTALLATION
MINI-MAX WITH MAESTRO AND RAINWATCH
MINI-MAX
1 2 3 4
IN
5
OUT
COM
RED
RED
GREEN
GREEN
MAESTRO
AC ADAPTER
1 2 3 4
IN
WHITE
WHITE
AC ADAPTER
BLACK
5
OUT
COM
RECEIVER
RAINWATCH WITH MINI-MAX AND MAESTRO CONNECTIONS
WHITE
WHITE
BLACK
AC ADAPTER
RAINWATCH
1 2 3 4
IN
5
OUT
COM
Connect the and wires from the RECEIVER to the power terminals on the back of the MAESTRO
1
(no polarity).
RED GREEN
RED
GREEN
Connect the wires from the 12 VOLT POWER SUPPLY to the same MAESTRO power terminals (no polarity).
On the MAESTRO, connect the wire from the RECEIVER to TERMINAL #1 (IN) and the BLACK wire
2
from the RECEIVER to TERMINAL #2 (COM).
Connect the MAESTRO and MIN-MAX instruments using the supplied grey sheathed BLACK and wires
3
as follows:
A. Connect the wire from MINI-MAX TERMINAL #1 (IN) to MAESTRO TERMINAL #3 (OUT).
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
B. Connect the BLACK wire from MINI-MAX TERMINAL #2 (COM) to MAESTRO TERMINAL #2 (COM).
Connect the MINI-MAX and RAINWATCH instruments using the supplied grey sheathed BLACK and WHITE
4
wires as follows:
A. Connect the WHITE wire from RAINWATCH TERMINAL #1(IN) to MINI-MAX TERMINAL #3 (OUT)
WHITE
B. Connect the BLACK wire from RAINWATCH TERMINAL #2(COM) to MINI-MAX TERMINAL #2(COM).
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 7
WHITE
Page 8
MINI-MAX
WIRELESS
TROUBLE-SHOOTING
THE FOLLOWING ILLUSTRATIONS SHOW HOW THE INSTRUMENT
DIAL WILL INDICATE IMPROPER OPERATION.
NO SERIAL DATA
(Instrument has never recognized a receiver)
40
30
0
2
10
0
10
-
0
2
-
0
-3
0
0-
1
-20
-30
Celc
F
a
h
r
50
60
1
0
20
siu
t
i
e
h
e
n
70
80
30
4
0
9
0
10
1
1
12
MAESTRO
30
0
2
0
1
0
0
4
0
4
10
0
m
50
60
8
0
60
i
l
e
s
km/
1
00
1
20
1 04
1
60
h
r
u
o
h
p
r
e
70
8
0
9
0
10
0
FLASHING
LED s
FLASHING
LED s
SYMPTOM:
-The pointer is in the 3 o’clock position
-The central LED’s are flashing
-The (Maestro) primary direction LED’s are illuminated
REMEDY:
-Check all wire connections (Refer to installation diagrams)
-Re-boot the system by unplugging the power
supply, wait 30 seconds, plug it back in.
-The light on the receiver will flash RED and then
GREEN
GREEN five times, indicating that the receiver is
now powered-up.
-If the instrument continues to display the error code,
call Maximum for further assistance.
Note: Depending on the origin of the problem, error
codes may not display on all instruments.
RED
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 8
Page 9
WIRELESS
TROUBLE-SHOOTING
NO SIGNAL FROM ANY TRANSMITTER
(Instrument recognizes the receiver, but the receiver does not recognize the sensor(s).)
MINI-MAX
MAESTRO
40
c s
e
5
0
06
1
0
20
iu
t
i
e
h
n
70
80
3
0
40
90
10
1
1
1
2
0
3
0
2
10
0
0
4
0
4
0
1
0
m
50
6
0
80
60
i
l
e
100
60
hkm/
r
u
o
s
h
p
r
e
7
0
21 0
1
40
1
8
0
90
0
01
0
3
20
10
0
0
-1
20
-
0
3
-
0
0
1
-
0-2
3
- 0
C l
e
F
a
h
r
SYMPTOM:
-Mini-Max needle points to 32 F (or 0 C)
-Maestro needle points to 0 MPH, the North LED is illuminated.
REMEDY:
-Test the batteries in each external SENSOR/TRANSMITTER
and replace if necessary.
-Put the TRANSMITTER(S) into TEST MODE by pressing TEST
BUTTON in the battery compartment of TRANSMITTER.
-Remove the RECEIVER from the wall and confirm receipt of
TRANSMISSION(S) based on the color of the flashing light.
RECEIVER
INDICATOR
RED
....................WIND
RED
GREEN
GREEN
ORANGE
ORANGE
.........TEMPERATURE
TRANSMITTER
................RAIN
-If the instrument continues to display the error code, call Maximum
for further assistance.
Note: Depending on the origin of the problem, error
codes may not display on all instruments.
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 9
Page 10
WIRELESS
TROUBLE-SHOOTING
NO SIGNAL FROM WIND TRANSMITTER
(Instrument has received, then lost sensor(s) signal)
MINI-MAX
FLASHING
LED s
MAESTRO
40
l iu
e
50
06
10
20
s
t
i
e
h
n
7
0
80
30
4
0
90
1
0
11
1
2
FLASHING
0
3
20
0
1
0
0
4
0
4
0
1
0
m
5
0
6
0
80
0
6
i
l
e
km/h
s
100
0
r
u
o
h
p
r
e
70
120
1
40
16
8
0
09
1
00
30
0
2
0
1
0
0
-1
20
-
0
3
-
0
0
-1
0-2
-30
C
e c
F
a
h
r
LED s
SYMPTOM:
-The pointer is in the 12 o’clock position.
-Central LED’s flashing.
REMEDY:
-Re-charge and/or replace the AA NiCad batteries in the WIND
TRANSMITTER.
-Put TRANSMITTER(S) into TEST MODE by pressing the TEST
BUTTON in the battery compartment of TRANSMITTER. This
should cause the LED on the receiver to flash RED every 2 seconds.
RED
-If the instrument continues to display the error code, call Maximum
for further assistance.
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page10
Page 11
WIRELESS
TROUBLE-SHOOTING
NO SIGNAL FROM TEMPERATURE TRANSMITTER
(Instrument has received, then lost sensor(s) signal)
MINI-MAX
FLASHING
LED s
0
1
0
-10
-20
0
3
-
30
20
1
- 0
- 02
0-
3
F
SYMPTOM:
-The pointer is in the 9 o’clock position.
-Central LED’s flashing.
a
0
Celc
h
40
50
6
0
1
0
20
usi
t
i
e
r
h
e
n
70
3
0
40
12
80
9
0
1
0
11
MAESTRO
40
30
20
0
1
0
4
0
1
0
0
m
5
0
60
80
06
i
l
e
100
0
k
/hm
r
u
o
s
h
p
r
e
70
1
2
0
1 0
4
16
80
9
0
010
FLASHING
LED s
REMEDY:
-Check and replace (if necessary) the AA Alkaline batteries in the
TEMPERATURE TRANSMITTER.
-Put TRANSMITTER(S) into TEST MODE by pressing the TEST BUTTON
in the battery compartment of the TRANSMITTER. This should cause the
LED on the receiver to flash GREEN every 4 seconds.
GREEN
-If the instrument continues to display the error code, call Maximum
for further assistance.
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 11
Page 12
WIRELESS
TROUBLE-SHOOTING
NO SIGNAL FROM RAIN TRANSMITTER
(Instrument has received, then lost sensor(s) signal)
MINI-MAX
FLASHING
LED s
40
0
3
20
0
1
0
0
1
-
-20
0
3
-
0
10
-
20
-
0
-3
l
F
a
h
r
50
60
10
2
0
iuCe c
s
t
i
e
h
e
n
70
80
3
0
4
0
9
0
1
0
1
1
12
MAESTRO
FLASHING
LED s
40
0
3
6
0
2
0
1
40
0
1
0
0
m
i
5
0
60
8
0
0
1 00
1
2
0
1
04
1 0
6
km/h
r
l
u
e
o
s
h
p
r
e
01
0
SYMPTOM:
-Mini-Max needle points to -35.
-Maestro needle points to 0 MPH.
-Central LED’s flashing.
REMEDY:
-Remove and test the AA Alkaline batteries in the RAIN TRANSMITTER. If dead, replace batteries and check
operation. If good, continue to next step.
-Put the RAIN TRANSMITTER into TEST MODE by removing the batteries, then moving the jumper on the
RAIN TRANSMITTER circuit board to cover both pins of the 2-pin terminal.
70
8
0
90
BATTERY
JUMPER
COMPARTMENT
OPERATING
MODE
JUMPER
TEST
MODE
REMOVE OUTER
CASE BY LOOSENING
FOUR SCREWS
SLIP CAP OFF
CYLINDER HOUSING
TRANSMITTER
CIRCUIT BOARD
REMOVE
TRANSMITTER
CIRCUIT BOARD
FROM CYLINDER
SET JUMPER TO
TEST MODE BY
COVERING BOTH PINS
-Re-install the AA Alkaline batteries in the RAIN TRANSMITTER once the jumper has been moved.
-Check LED on receiver to make sure it is blinking ORANGE every 4 seconds.
ORANGE
-Check the instruments to see if the error has been corrected.
-Unlike the WIND and TEMPERATURE TRANSMITTERS, the RAIN TRANSMITTER will not automatically
exit test MODE after 15 minutes. Therefore, you must take the rain transmitter out of test mode manually. To
do so: remove the batteries, then move the jumper on the RAIN TRANSMITTER circuit board back to covering
only one pin of the 2-pin terminal (it does not matter which pin is covered). Re-install the batteries and cover.
-If the instrument continues to display the error code, call Maximum for further assistance.
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 12
Page 13
WIRELESS
FCC NOTICE
Warning: Changes or modifications to this equipment not expressly approved by Maximum,
Inc. in writing as the party responsible for compliance could void the user’s authority to
operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a CLASS B
Digital Device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and the receiver.
Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
NOTES
30 Barnet Boulevard
New Bedford, MA 02745
(508) 995-2200
Page 13
Page 14
R
W E A T H E R I N S T R U M E N T S
Electrical Damage - Common Causes & Recommended Prevention
Electrical damage can be caused by many different factors. Below are some of the more common causes and
some suggested methods of minimizing potential problems.
Common Causes:
Storm Activity - lightening in your area can do damage to your instruments in different ways. The obvious
way is due to a direct or nearby strike. In addition, lightening storms, dust storms, dry snowstorms and
strong dry winds can all cause static electricity to build up on and around your external sensors. Regardless
of the cause, this built up electricity itself through the cable connecting the external sensors to
the instrument.
Power Surges - A surge may come from the electric company’s switching generators or power grids, from
local industries or after power interruption when accumulated power suddenly surges back through AC lines.
Even the on-and-off switching of large electrical appliances, such as refrigerators or clothes dryers can
create damaging fluctuations. This is especially true with sensitive weather recording devices.
Yourself - Are you constantly giving and/or receiving a shock every time you touch a doorknob or other
person? If so, you have a great deal of static electricity in your environment. In either case, it is possible for a
person to carry enough of a charge to damage an instrument.
Recommended Prevention:
Use Surge Protectors - for the AC adapter, a UL 1449 rated surge protector with EMI/RFI filtering is
recommended. This rating will be clearly listed on the packaging of all good quality surge protector.
Discharge Yourself - If the instruments are located in an environment where static electricity is a problem,
make sure that you discharge yourself before touching the instrument(s). The shock that you get from
touching a doorknob or another person can often be sufficient to damage an instrument.
30 SAMUEL BARNET BOULEVARD NEW BEDFORD, MASSACHUSETTS 02745 U.S.A.
TEL. 508.995.2200 WWW.MAXIMUM-INC.COM FAX 800.989.2580
Page 14
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