Rinnai HE Series User Manual

KBD Series Manual 45
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Controller Locaon
Cable Lengths and Sizes
 The controller should be out of reach of small
children.
 Avoid locaons where the controller may become
hot (near an oven or radiant heater).
 Avoid locaons in direct sunlight. The digital
display may be dicult to read in direct sunlight.
 Avoid locaons where the temperature controller
could be splashed with liquids.
 Do not install in locaons where the controller
can be adjusted by the public.
Indoor models have their controller built into the
front panel. Addional controllers can be installed.
The cable for the temperature controller should be a
non-polarized two-core cable with a minimum gauge
of 22 AWG. The maximum cable length from each
controller to the water heater depends on the total
number of wired controllers connected to the water
heater.
Number of Wired
Controllers
Maximum Cable Length for each
Controller to Water Heater
1 328  (100 m)
2 164  (50 m)
3 or 4 * 65  (20 m)
Turn the power o. Do not aempt to connect the
temperature controller(s) with the power on.
Although the controller is a low voltage device, there
is 120 volt potenal next to the temperature
controller connecons inside the unit.
Do not connect the temperature controller to the
120VAC terminals provided for the oponal solenoid
drain valves.
WARNING
Conguraons
A maximum of 4 temperature controllers can be
installed for a water heater or bank of water heaters.
This includes the controller built into an indoor water
heater. Controllers can only be wired in parallel.
Controllers cannot be wired in series.
The 4 temperature controllers can consist of mulple
MC-91-2 or MCC-91-2 but only one BC-100V and only
one MC-100V.
(MC-91-1 should not be installed on a unit that
already has an MC-91-2 connected)
The clock funcon on the BC-100V will only be
available if an MC-100V is also connected.
If 4 MC-91-2’s are installed, simultaneously press the
Priority and On/O buons on the fourth controller
unl a beep sounds.
Wire controllers in parallel
Maximum 4 Controllers
Rinnai
Water
Heater
* Only 3 addional controllers can be wired to the
indoor water heater.

Rinnai HE Series Specifications

General

Brand	Rinnai
Model	HE Series
Category	Water Heater
Language	English