FORM 155.21-O1 (615)
3
JOHNSON CONTROLS
NOMENCLATURE
ASSOCIATED LITERATURE
DESCRIPTION FORM NO.
OPERATION – YIA UNIT 155.21-OM1
SERVICE – YIA UNIT 155.21-M2
INSTALLATION – YIA UNIT 155.21-N1
SERVICE – YIA OPTIVIEW CONTROL CENTER 155.21-M1
RENEWAL PARTS – YIA OPTIVIEW CONTROL CENTER 155.21-RP1
RENEWAL PARTS – YIA UNIT 155.21-RP2
WIRING DIAGRAM – YIA UNIT 155.21-W1
WIRING DIAGRAM – YIA FIELD CONTROL MODIFICATIONS 155.21-W2
WIRING DIAGRAM – YIA FIELD CONNECTIONS 155.21-W3
VOLTAGE CODE
17=208-3-60
28=230-3-60
46=460-3-60
50=380/400/415-3-50
58=575-3-60
YIA ST 1A1 46 C S D
SPECIAL
S = Std Tubes
X = Special Tubes
COOLING ONLY
DESIGN LEVEL
UNIT SIZE
1A1 through 14F3
HEAT SOURCE
ST=Steam
HW=Hot Water
UNIT TYPE
YORK IsoFlow Absorption Chiller
CHANGEABILITY OF THIS DOCUMENT
In complying with YORK/Johnson Controls policy
for continuous product improvement, the information
contained in this document is subject to change without
notice. While Johnson Controls makes no commitment
to update or provide current information automatically
to the manual owner, that information, if applicable,
can be obtained by contacting the nearest YORK/
Johnson Controls Service Ofce.
It is the responsibility of operating/service personnel
as to the applicability of these documents to the equip-
ment in question. If there is any question in the mind
of operating/service personnel as to the applicability of
these documents, then, prior to working on the equip-
ment, they should verify with the owner whether the
equipment has been modied and if current literature
is available.
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