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Siemens Industry, Inc.
A6V11727385
Smart Infrastructure
06/20/2019
Standards, Directives and Approvals
FCC standards
FCC CFR 47 Part 15 Subpart C
IC standards
RSS-247 issue 1 May 2015, RSS-GEN issue 4 November
2014
UL
UL916
BTL
BACnet Testing Laboratory
Environmental compatibility The product environmental declaration A5W90003412
*)
contains data on environmentally compatible product design
and assessments (RoHS compliance, materials composition,
packaging, environmental benefit, disposal).
*) The documents can be downloaded from
http://siemens.com/bt/download
General Data
General
Dimension
H 3.58” × W 3.58” × D 1.02”
Weight
Thermostat with package, user document and accessory
15.3 oz (435 g)
Thermostat
9.5 oz (268 g)
Color
Silver plating
Housing: Pantone black
Diagrams
Connection Terminals
Terminal
Use
RH
24 Vac, heating system
RC
24 Vac, cooling system
C
24 Vac, common
W1/O/B
Stage 1 heating (W1) in conventional system or reversing valve O/B in heat
pump system
W2/AUX
Stage 2 heating in conventional system, Stage 1 Aux Heat in heat pump
system
W3/UNIV
Stage 3 heating or universal output in conventional system, or Stage 2
auxiliary heat or universal output in heat pump system
Y1, Y2
Stages 1 and 2 cooling in conventional system or Stages 1 and 2
compressor in heat pump system
G
Fan
X1, X2
Configurable input
M
Common for X1/X2 inputs