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Set dip 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.
DO NOT adjust the other dip switches unless specifically
instructed to do so.
0-2000 ft 2001-5200 ft 5201-7700 ft 7701-10200 ft
Table 7: (0-610 m) (610-1585 m) (1585-2377 m) (2378-3109 m)
Switch No. 2 OFF OFF ON ON
Switch No. 3 OFF ON OFF ON
Switch No.
ON
O 1
Switch No.
ON
O 1
Switch No.
ON
O 1
2
3
4
5
6
7
8
Fm
m 3
4
5
6
7
8
m 2
• 3
4
5
6
7
8
Switch No.
ON
O 1
F
F •2
•3
4
5
6
7
8
The 2-Unit connection cable is an optional accessory
that connects 2 water heaters and allows them to
function as one hot water source.
The Multi-Unit connection kit and Multi-Unit connection
cables are optional accessories that connect 2 to 5
water heaters and allow them to function as one hot
water source.
The Multi-Unit connection kit includes a PC board and
one Multi-Unit connection cable.
Refer to the instructions that come with the accessory
for complete installation information.
Guidelines
• Do not install both the 2-Unit connection cable and the
Multi-Unit connection kit because they are not designed
to operate together.
• 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.
Table 8:
Number of Connected Water Heaters: Accessories Necessary:
2 (1) 2-Unit connection cable or (1) Multi-Unit connection kit
3 (1) Multi-Unit connection kit and (1) Multi-Unit connection cable
4 (1) Multi-Unit connection kit and (2) Multi-Unit connection cables
5 (1) Multi-Unit connection kit and (3) Multi-Unit connection cables
22 305 & 505 Indoor Manual