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34 VB Series Indoor LS Manual
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
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. (This
changes the temperature on all units within the
MSA or EZConnect™ system.)
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
Model
Number of units
in standby
Position of switch No. 5 in
bank of 6 switches
RL75,
RL94
1 ON
2 OFF (default)
Activation Options for EZConnect™
One unit in standby allows for quicker activation time with
flow rates within the capacity of a single unit.
Two units in standby allows for quicker delivery temperature
for flow rates requiring both units.
Applicable for the RL75 and RL94 models only.