Member Boiler Cables; Check The Network; Start The System - RBI Futera III Manual
Finned copper tube gas boilers & water heaters 500 to 4,000 btuh input
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Also See for Futera III:
- Installation and operating instructions manual (44 pages) ,
- Installation & operation manual (40 pages) ,
- Control manual (128 pages)
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2
Multiple boilers: HeatNet modulation
4.
The control' s firmware version number will display. Make sure the
firmware of all boilers is compatible. All boilers in a multiple boiler ap-
plication should preferably have the same firmware version to ensure
consistency. If versions are different, all versions must be either version
2.0 or greater, or version 1.x.
5.
After the control' s timer finishes, the display will show STANDBY and
SYSTEM. This verifies that the master boiler is setup correctly as the
master. The same display will show on member boilers when there is a
call for heat from the master boiler. When there is no call for heat at a
member boiler, the display will show LOCAL instead.
6.
If the master is functioning correctly, the yellow LED' s on the H-Link
jack ports will blink. The blinking indicates that the master is trying to
communicate with member boilers.
7.
If a FAULT message is displayed, clear the faults until the STANDBY
message is displayed. Refer to troubleshooting suggestions in this
manual if you cannot resolve the issue.
Member boiler cables
1.
Begin with the first member boiler.
2.
Plug one end of the RJ45 or shielded cable into the master boiler' s out-
put port. Plug the other end of the master boiler' s communications ca-
ble to a member boiler' s input port, using either RJ45 cable or shielded
cable (Figure 3, page 22).
3.
Connect cables to all of the member boilers by cabling from one to the
next.
Check the network
1.
Turn the power on and the on/off switch to ON for all of the member
boilers.
2.
Allow time for each boiler to initialize.
12
Finned copper tube gas boilers & water heaters – Control manual
3.
After about 30 seconds, the master boiler should recognize the mem-
ber boilers.
4.
Navigate to the BOILERS menu, then to HEATNET BOILERS dis-
play. The master control will show the boilers it recognizes.
5.
If the display shows a blank space, such as "123_56789, " the control
does not detect the missing boiler (boiler 4). Check the yellow LED
on the communication port of the missing boiler.
6.
NORMAL connection — LED should flash steadily, about twice per
second.
7.
TERMINATION incorrect — LED will flash rapidly and stay on.
8.
OPEN connection — LED does not flash at all.
9.
If a FAULT message is displayed, clear the faults until the STANDBY
message is displayed. Refer to troubleshooting suggestions at the end
of this manual if you cannot resolve the issue.
Start the system
1.
Turn off power to all boilers.
2.
Connect all call for heat wiring to the boilers.
3.
Turn on power to all boilers and turn the on/off switches to ON.
4.
The boilers should now operate normally, as described in the Boiler
manual.
5.
The master boiler will sequence and modulate boilers as necessary to
control the water temperature.
6.
The master boiler will show the number of boilers firing as well as the
temperature and heat band display. Use the UP/DOWN keys to scroll
through the displays to watch the process of starting and stopping boil-
ers.
P/N HN-IOM-1 82-0331 Copyright 2009 Mestek, Inc.
(cont.)
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