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Manual - Rinnai Condensing Water Heaters 31
High Altitude Installations
0-2000 ft
(0-610 m)
2001-5200 ft
(610-1585 m)
5201-7700 ft
(1585-2347 m)
7701-10200 ft
(2347-3109 m)
Switch No. 2 OFF OFF ON ON
Switch No. 3 OFF ON OFF ON
Set switches 2 and 3 to the values shown in table
below for your altitude. The default setting for the
appliance is 0-2000 ft (0-610 m) with switches No. 2
and No. 3 in the OFF position.
Connecting Multiple Water Heaters
WARNING
DO NOT adjust the other
switches unless specifically
instructed to do so.
Switch No.
F
O
F
8
5
7
6
4
3
ON
1
2
Switch No.
F
O
F
8
5
7
6
4
3
ON
1
2
Switch No.
F
O
F
8
5
7
6
4
3
ON
1
2
Switch No.
F
O
F
8
5
7
6
4
3
ON
1
2
The EZConnect™ cable is an optional accessory that
connects 2 water heaters and allows them to function
as one hot water source.
The MSA-2M and MSA-2S packs are optional
accessories that connect 2 to 5 water heaters and
allow them to function as one hot water source.
Refer to the instructions that come with the accessory
for complete installation information.
Number of Connected Water Heaters: Accessories Necessary:
2
(1) EZConnect™ Cable
or (1) MSA-2M
3
(1) MSA-2M
and (1) MSA-2S
4
(1) MSA-2M
and (2) MSA-2S
5
(1) MSA-2M
and (3) MSA-2S
Guidelines
• Do not install both the EZConnect™ and the MSA
packs because they are not designed to operate
together.
• Water heaters connected with the EZConnect™
Cable or the MSA-2M and MSA-2S packs cannot be
used for the bath fill function.
• Water heaters should be installed less than 18
inches apart so that the cables will reach between
units and to prevent temperature fluctuations (cold
water sandwich effect) when the water is shut off
and turned back on.
• Temperature settings can only be changed on the
controller for the primary unit.