Applications space-heating applications – John Wood Takagi - 110-310-510 User Manual
Page 20
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CASE 3:
If you connect the “PARENT” connector of the “CHILD-
1” unit to the “1” connector of the “CHILD-2” unit, the
“CHILD-2” unit will operate as an individual unit, and will
not be part of the Easy-Link system.
Communication
cable
Connectors
Right bank of
Dipswitches
OFF
ON
1 2 3 4 5 6
PARENT
1
2
Connectors
Right bank of
Dipswitches
OFF
ON
1 2 3 4 5 6
PARENT
1
2
Connectors
Right bank of
Dipswitches
OFF
ON
1 2 3 4 5 6
PARENT
1
2
PARENT
unit
CHILD-1
unit
Wrong
connection
CHILD-2
unit
Prohibited
Wrong connections between the “CHILD-
1” unit and the “CHILD-2” unit
WARNING
Connecting two “PARENT” connectors
together from two separate units may dam-
age the computer board. The communi-
cation cable has a female end and a male
end so it’s impossible to have a PARENT-
to-PARENT connection with the commu-
nication cable. Do not splice or modify
connectors.
CASE 4:
If a remote controller (optional) is used, it has to be con-
nected to the “PARENT” unit. If the remote controller
is connected to a “CHILD” unit, it will only control that
particular individual “CHILD” unit and will not control the
Easy-Link system as a whole.
Communication
cable
Connectors
Right bank of
Dipswitches
OFF
ON
1 2 3 4 5 6
PARENT
1
2
Connectors
Right bank of
Dipswitches
OFF
ON
1 2 3 4 5 6
PARENT
1
2
PARENT
unit
CHILD-1
unit
Wrong
connection
Remote
controller
Prohibited
Remote controller connected to incorrect
unit
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APPLICATIONS
Space-Heating Applications
WARNING
In order to purge air in water pipes
within a closed-loop system, an air
vent and air separator should be
installed in to the system. Required
circulation flow rates are labeled next
to each application diagram. These
flow rate requirements must be fol-
lowed.
Toxic chemicals used in boiler treat-
ments such as alcohol, glycerol and gly-
col groups must not be introduced into
the system if the system incorporates an
open-loop potable water system.
The water heater can be used to supply
potable water and space heating and
shall not be connected to any heat-
ing system or component(s) previously
used with non-potable water where any
chemicals were added to the water heat-
ing appliances.
When the system requires water for
space heating at temperatures higher
than required for other uses, a means
such as a mixing valve shall be installed
to temper the water for those other uses
in order to reduce scald hazard poten-
tial.
Water temperature over 52°C (125°F)
can cause severe burns instantly or
death from scalds.
Chemicals such as diluted Glycol can be
used for radiant floor, Hydro/fan coil air
or Baseboard heating only. The diluted
solution of glycol must contain between
25 and 55% of Glycol. Be aware that in
closed-loop glycol systems, low pressure
in the heat exchanger can cause low-
temperature boiling, resulting in exces-
sive noise and damage to the water
heater. Consult with the glycol maker for
specifications prior to use.
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