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A.O. Smith T-D2-OS User Manual

A.O. Smith T-D2-OS
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T-D2-IN / T-D2-OS Service Manual
Ver. 1.00
62
CONFIDENTIAL
12-11. Relay selection for the pump control connection
The maximum current capacity of pump control connection in the T-D2 is 1 amp.
Before using any relay with the pump control, please check the specifications of that particular relay to
ensure that the current value through the coil will not exceed 1 amp.
For example:
To the right, there is a sample of relay
specifications from an arbitrary brochure. You
can select either the 120 VAC or 240 VAC relay,
because their current values are less than 1A
(1,000mA).
Power supply
for pump
120 VAC
220 VAC etc
These components are
NOT
in
cluded wit
h
the water heater
and
are
external to the unit. They must be acquired separately.
Connect to these “Pump connectors”.
Recirculation
pump
Thermal
relay
120
V
AC
220 VAC etc
for relay
Power supply
for relay

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A.O. Smith T-D2-OS Specifications

General IconGeneral
BrandA.O. Smith
ModelT-D2-OS
CategoryWater Heater
LanguageEnglish

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