7 Wire, 2 Stage Cooling, 2 Stage Heat
O
W2 Y2 R Wl Y1 G C
** Commercial heat oumos do not have
the heat pump fumed on in advanced setup
Comrr_rcial Gas or E_ect,c Heat *".
Electric Co_. split systems & package units
includ_g Commerc_l Heat Pumps **
Thermostat
24 vac common
f_n relay
comDressor relay
L
E
C
>-(
G
YI
O
I st stage heat circuit ;>_ wl
24 vac retum
H
2nd stage compressor relay >'<
Y2
2nd mt_ae hP+mt ¢.i_uit
- N2
*** /fusing electrlc heat. _is optlon rnust
be selec_d on during advanced setup+
5 Wire, 1 Stage Cooling, 1 Stage Heat - Heat Pump*
O
W2 Y2 R WI Yl G C NoauxJliawheat.msidentialHeatPumps,
splitsystems& packageunits
_(_(_(_ _3 Thermostat
L
E
24 vac common
C
mr r I
Y1
reversin vlyeypJ.v___ _>_ o
• ff using _1_ heat pump. this option
must be selected on dunng advanced setup.
W1
Y2
W2
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