CTC Union 71157P User guide

Programmable
Thermostats
t1PTTJCMFFMFDUSJDTIPDLPSEBNBHFUPFRVJQNFOUDBOPDDVS
t%JTDPOOFDUQPXFSCFGPSFCFHJOOJOHJOTUBMMBUJPO
Caution
71157P Single Stage Heat / Cool
Conventional or Heat Pump
73257P Up to 3 Heat / 2 Cool Heat Pump
Up to 2 Heat / 2 Cool Conventional
Warning
'PSJOTUBMMBUJPOCZFYQFSJFODFETFSWJDFUFDIOJDJBOTPOMZ
®
This thermostat is compatible with:
  t 4JOHMFTUBHFIFBUDPPMDPOWFOUJPOBMBOEIFBUQVNQTZTUFNT
  t $POWFOUJPOBMTZTUFNTVQUPTUBHFTPGIFBUJOHBOETUBHFTPGDPPMJOH1POMZ
  t )FBUQVNQTZTUFNTVQUPTUBHFTPGIFBUJOHBOETUBHFTPGDPPMJOH1POMZ
  t oNJMMJWPMUIFBUJOHPOMZTZTUFNT
  t PSXJSFIZESPOJD[POFTZTUFNT
Electrical and control specifications:
  t &MFDUSJDBM3BUJOH7PMU"$
  t BNQNBYJNVNMPBEQFSUFSNJOBM
  t "$1PXFSo7PMUT"$
  t %$1PXFS7PMU%$
   i""w"MLBMJOF#BUUFSJFT*ODMVEFE
  t $POUSPM3BOHF¡o¡'¡o¡$
  t 5FNQFSBUVSF"DDVSBDZ¡'¡$
  t 0VUEPPS5FNQFSBUVSF%JTQMBZ3BOHF¡¡'¡¡$
1
Specifications
71157P-100-01
.PEFMOVNCFSJTMPDBUFEPOCBDLPGUIFSNPTUBU
PERFORMANCE
SERIES
This thermostat requires 24 Volt AC Power or 2 properly installed “AA” Alkaline batteries for
proper operation. When connecting 24 Volt AC Power the batteries may be installed as a backup.
'PSVTFPOMZBTEFTDSJCFEJOUIJTNBOVBM"OZPUIFSVTFXJMMWPJEXBSSBOUZ
Terminations
  t 13D3I(80#7:$44
  t 13D3I(8&880#7:
   :-$44
®
Installer
Manual
1 Specifications 2 Installation and Wiring 3 Quick Reference
4 Installer Settings 5 System Testing
99 Washington Street
Melrose, MA 02176
Phone [phone]
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com

Wiring Terminations for model 71157P
Terminal Function Description
 3D *OQVU 7PMU"$$PPMJOH5SBOTGPSNFS
   %VBM5SBOTGPSNFS4ZTUFNT0OMZ
 3I *OQVU 1PXFS$POOFDUJPO7PMU"$)FBUJOH
   5SBOTGPSNFSPS.JMMJWPMU1PXFS4PVSDF
( 0VUQVU 'BO$POUSPM
 8 0VUQVU $POWFOUJPOBM)FBU3FMBZ
0#7 0VUQVU 0$PPM"DUJWF3FWFSTJOH7BMWF   
   #)FBU"DUJWF3FWFSTJOH7BMWF
   7;POF7BMWF1PXFS$MPTF
 : 0VUQVU $PNQSFTTPS3FMBZ
 $ *OQVU 7PMU"$5SBOTGPSNFS$PNNPO
 4
4
Connect Your Wires
3
*OQVU 0QUJPOBM3FNPUF4FOTPSJOEPPSPSPVUEPPS
Install your new CTC®thermostat in 4 basic steps:
1 *OTUBMMUIFTVCCBTF  3$POOFDUZPVSXJSFT
2 1SPWJEF1PXFS  4"UUBDIUIFUIFSNPTUBUUPUIFTVCCBTF
Install the Sub-Base:
t3FNPWFUIFTVCCBTFGSPNUIFCPEZ
 PGUIFUIFSNPTUBU
t .PVOUUIFTVCCBTFBTTIPXOCFMPX
UP UP
Provide Power
Drill 3/16” pilot holes
in your desired location.
Use supplied anchors for
drywall or plaster.
2
Installation and Wiring
12
+
+
For battery power,JOTFSUUIFTVQQMJFEi""wUZQFBMLB
MJOFCBUUFSJFTJOUPUIFCBUUFSZDPNQBSUNFOUMPDBUFEJOUIF
SFBSIPVTJOHPGUIFUIFSNPTUBU.BLFTVSFUPQPTJUJPOUIF
1PTJUJWFBOE/FHBUJWFTJEFTPGUIFCBUUFSJFTDPS
SFDUMZXJUIUIFTZNCPMTJOUIFCBUUFSZDPNQBSUNFOU
For 24 Volt AC power,ZPVNVTUDPOOFDUUIFDPNNPO
TJEFPGUIFUSBOTGPSNFSUPUIF$UFSNJOBMPOUIFUIFSNPTUBU
TVCCBTF*OEVBMUSBOTGPSNFSJOTUBMMBUJPOT
UIFUSBOGPSNFS
DPNNPONVTUDPNFGSPNUIFDPPMJOHUSBOTGPSNFS
Installer Manual 2

3 Installer Manual
Wiring Terminations for model 73257P
Terminal Function Description
  3D *OQVU 7PMU"$$PPMJOH5SBOTGPSNFS
    %VBM5SBOTGPSNFS4ZTUFNT0OMZ
  3I *OQVU 1PXFS$POOFDUJPO7PMU"$)FBUJOH  
    5SBOTGPSNFSPS.JMMJWPMU1PXFS4PVSDF
( 0VUQVU 'BO$POUSPM
8&8 0VUQVU 8TU4UBHF$POWFOUJPOBM)FBU
   &&NFSHFODZ)FBU 
8SE4UBHF"VYJMJBSZ)FBU
   8 0VUQVU OE4UBHF$POWFOUJPOBM)FBU 
 0#7 0VUQVU 0$PPM"DUJWF3FWFSTJOH7BMWF   
    #)FBU"DUJWF3FWFSTJOH7BMWF
    7;POF7BMWF1PXFS$MPTF
  : 0VUQVU TU4UBHF$PNQSFTTPS
  : 0VUQVU OE4UBHF$PNQSFTTPS
  - *OQVU 4ZTUFN.BMGVODUJPO*OEJDBUPS
$ *OQVU 7PMU"$5SBOTGPSNFS$PNNPO
4
4
Connecting Your Wires (continued)
3
*OQVU 0QUJPOBM3FNPUF4FOTPSJOEPPSPSPVUEPPS
Heat Only or Millivolt
Set System Type to 11CONV
Rh 1PXFS$POOFDUJPO
W1 )FBU3FMBZ
G 'BO3FMBZ[note 4]
C
7PMU"$5SBOTGPSNFS$PNNPO[note 1, 3]
1 HEAT / 1 COOL Single or Dual Transformer
Set System Type to 11CONV
Rh 7PMU"$1PXFSIFBUJOHUSBOTGPSNFS[note 2]
Rc 7PMU"$1PXFSDPPMJOHUSBOTGPSNFS[note 2]
W1 )FBU3FMBZ
Y1 $PNQSFTTPS3FMBZ
G 'BO3FMBZ
C 7PMU"$5SBOTGPSNFS$PNNPO[note 1, 3]
5ZQJDBM8JSJOH$POmHVSBUJPOT
NOTE: The “System Type” option will be configured in the Installer Settings section. The 71157P is a single
stage thermostat and not intended for multi stage equipment.
$POWFOUJPOBM4ZTUFNT

NOTES - Conventional Systems
[1]0QUJPOBM7PMU"$DPNNPODPOOFDUJPO
[2]3FNPWFGBDUPSZJOTUBMMFEKVNQFSGPSEVBM
 USBOTGPSNFSTZTUFNT
[3]*OEVBMUSBOTGPSNFSTZTUFNTUSBOTGPSNFS
 DPNNPONVTUDPNFGSPNDPPMJOHUSBOTGPSNFS
[4]
*GOFFEFEGPSTZTUFN
Provide disconnect and overload protection
as required.
2 HEAT / 2 COOL Single or Dual transformer
Set System Type to 22CONV
Rh 7PMU"$1PXFSIFBUJOHUSBOTGPSNFS[note 2]
Rc 7PMU"$1PXFSDPPMJOHUSBOTGPSNFS[note 2]
W1 )FBU3FMBZ4UBHF
W2 )FBU3FMBZ4UBHF
Y1 $PNQSFTTPS3FMBZ4UBHF
Y2 $PNQSFTTPS3FMBZ4UBHF [note 4]
G 'BO3FMBZ
C 7PMU"$5SBOTGPSNFS$PNNPO[note 1, 3]
5ZQJDBM8JSJOH$POmHVSBUJPOT
NOTE: The “System Type” option will be configured in the Installer Settings section. The 71157P is a single
stage thermostat and not intended for multi stage equipment.
$POWFOUJPOBM4ZTUFNT
NOTE: Additional options are configured in the
Installer Settings section.
S1
S2
NOTES - Additional Wiring Options
[1]5IFTFUFSNJOBMTDBOCFVTFEUPDPOOFDUB
 $5$
®
JOEPPSPSPVUEPPSSFNPUFTFOTPS
"EEJUJPOBM8JSJOH0QUJPOT
*OEPPSPS0VUEPPS3FNPUF4FOTPS[note 1]
Hydronic Heat Only
Set System Type to )%
Rh 7PMU"$1PXFSIFBUJOHUSBOTGPSNFS
W1 ;POF7BMWF1PXFS0QFO
V3 ;POF7BMWF1PXFS$MPTF
G 'BO3FMBZ[note 4]
C 7PMU"$5SBOTGPSNFS$PNNPO[note 1]
Hydronic Heat / 1 Cool
Set System Type to )%
Rh 7PMU"$1PXFSIFBUJOHUSBOTGPSNFS[note 2]
Rc 7PMU"$1PXFSDPPMJOHUSBOTGPSNFS[note 2]
W1 ;POF7BMWF1PXFS0QFO
V3 ;POF7BMWF1PXFS$MPTF
Y1 $PNQSFTTPS3FMBZ
G 'BO3FMBZDPPMJOHGBOPOMZ
C 7PMU"$5SBOTGPSNFS$PNNPO[note 1, 3]
Installer Manual 4

1 HEAT / 1 COOL - No Auxiliary Heat
Set System Type to )1
Rh 7PMU"$1PXFS
Rc $POOFDUFEUP3IXJUITVQQMJFE+VNQFS8JSF
O/B $IBOHFPWFS7BMWF [note 2]
Y1 $PNQSFTTPS3FMBZ
G 'BO3FMBZ
C 7PMU"$5SBOTGPSNFS$PNNPO [note 1]
3 HEAT / 2 COOL – Including Auxiliary Heat
Set System Type to )1
Rh 7PMU"$1PXFS
Rc
$POOFDUFEUP3IXJUITVQQMJFE+VNQFS8JSF
O/B $IBOHFPWFS7BMWF [note 2]
Y1
$PNQSFTTPS3FMBZTUTUBHFIFBUJOHDPPMJOH
Y2 $PNQSFTTPS3FMBZOETUBHFIFBUJOHDPPMJOH
E/W3 "VYJMJBSZ)FBU3FMBZSETUBHFIFBUJOH[note 5]
G 'BO3FMBZ
C 7PMU"$5SBOTGPSNFS$PNNPO[note 1]
L 0QUJPOBM4ZTUFN'BVMU.POJUPS[note 4]
2 HEAT / 1 COOL - Including Auxiliary Heat
Set System Type to )1
Rh 7PMU"$1PXFS
Rc $POOFDUFEUP3IXJUITVQQMJFE+VNQFS8JSF
O/B $IBOHFPWFS7BMWF[note 2]
Y1 $PNQSFTTPS3FMBZTUTUBHFIFBUJOHDPPMJOH
W2
"VYJMJBSZ)FBU3FMBZOETUBHFIFBUJOH[note 3]
E &NFSHFODZ)FBU3FMBZ[note 3]
G 'BO3FMBZ
C 7PMU"$5SBOTGPSNFS$PNNPO[note 1]
L 0QUJPOBM4ZTUFN'BVMU.POJUPS[note 4]
2 HEAT / 2 COOL - No Auxiliary Heat
Set System Type to )1
Rh 7PMU"$1PXFS
Rc $POOFDUFEUP3IXJUITVQQMJFE+VNQFS8JSF
O/B $IBOHFPWFS7BMWF[note 2]
Y1
$PNQSFTTPS3FMBZTUTUBHFIFBUJOHDPPMJOH
Y2 $PNQSFTTPS3FMBZOETUBHFIFBUJOHDPPMJOH
G 'BO3FMBZ
C 7PMU"$5SBOTGPSNFS$PNNPO[note 1]
L 0QUJPOBM4ZTUFN'BVMU.POJUPS[note 4]
NOTES - Heat Pump Systems
[1] 0QUJPOBM7PMU"$DPNNPODPOOFDUJPO
[2] 0DPPMBDUJWFPS#IFBUBDUJWFJTTFMFDUFEJO
 UIF*OTUBMMFS4FUUJOHTNFOV
[3] *OTUBMMBmFMETVQQMJFEKVNQFSCFUXFFOUIF
 8"69BOE8&8UFSNJOBMTJGUIFSFJT
 OPTFQBSBUFFNFSHFODZIFBUSFMBZJOTUBMMFE
[4] *GUIF-UFSNJOBMJTVTFEUIF7PMU"$DPNNPO
 NVTUCFDPOOFDUFE$UFSNJOBM
[5]
*GBTFQBSBUFFNFSHFODZIFBUSFMBZJTJOTUBMMFEUIF
 8&8UFSNJOBMTIPVMEIBWFCPUIUIFBVYJMJBSZ
 IFBUSFMBZBOEFNFSHFODZIFBUSFMBZDPOOFDUFE
Provide disconnect and overload protection
as required.
5ZQJDBM8JSJOH$POmHVSBUJPOT
NOTE: The “System Type” option will be configured in the Installer Settings section. The 71157P is a single
stage thermostat and not intended for multi stage equipment.
)FBU1VNQ4ZTUFNT
5 Installer Manual

INSTRUCTIONS
DAY/TIME
UP UP
S1
S2
G
Y1
Y2
A
H
L
C
W1/E
/AUX1
W2/
AUX2
W3/
O/B
RH
RC
S1
L
S
2
G
C
W1/E
/AUX
/AUX
/AUX
/AUX
/AUX
/AUX
/AUX
1
1
1
1
1
1
1
DAY/TIME
4
Attach Thermostat to Sub-Base
 *OTFSU2VJDL3FGFSFODF$BSEJOUPTMPU
 POUPQPGUIFSNPTUBU
 -JOFVQUIFUIFSNPTUBUCPEZXJUIUIFTVCCBTF
 $BSFGVMMZQVTIUIFUIFSNPTUBUCPEZBHBJOTUUIF
 TVCCBTFVOUJMJUTOBQTJOQMBDF
NOTE: Additional options are configured in the
Installer Settings section.
S1
S2
NOTES - Additional Wiring Options
[1]5IFTFUFSNJOBMTDBOCFVTFEUPDPOOFDUB
 $5$
®
JOEPPSPSPVUEPPSSFNPUFTFOTPS
"EEJUJPOBM8JSJOH0QUJPOT
*OEPPSPS0VUEPPS3FNPUF4FOTPS[note 1]
Installer Manual 6
/05&5IJTUIFSNPTUBUTIJQTDPOmHVSFEBTB)$DPOWFOUJPOBM
UIFSNPTUBU$POmSNJOTUBMMFSTFUUJOHT4FFQBHF

7 Installer Manual
INSTRUCTIONS
DAY/TIME
BACK NEXT
1
2
9
3 4 5 6 7
8
10
Reset Button 3FTFUTDVSSFOUUJNFQSPHSBNBOEVTFSTFUUJOHT
SYSTEM Button4FMFDUTUIFTZTUFNZPVXBOUUPDPOUSPM
DAY/TIME Button
4FUTUIFDVSSFOUUJNFBOEEBZPGUIFXFFL
PROG Button 4FMFDUTQSPHSBNNJOHNPEFPSQSFTTGPSTFDPOETUPTFMFDURVJDLTFUUJOHNPEF
BACK Button*
4FDPOEBSZGVODUJPOPGUIF130(CVUUPONPWFTCBDLBTFUUJOH
HOLD Button&OUFST&YJUTUIF)0-%NPEFQSPHSBNCZQBTT
NEXT Button*4FDPOEBSZGVODUJPOPGUIF)0-%CVUUPONPWFTUPOFYUTFUUJOH
RETURN Button3FUVSOTUPOPSNBMNPEFGSPNQSPHSBNPSTFUUJOHNPEFT
FAN Button4FMFDUTUIFTZTUFNGBONPEF
Quick Reference Instructions4UPSFEJOTMPUMPDBUFEBUUPQPGUIFSNPTUBU
Up/Down ( / ) Buttons *ODSFBTFTPSEFDSFBTFTTFUUJOHTUJNFUFNQFSBUVSFFUD
Outdoor Temperature*GB$5$
®
PVUEPPSTFOTPSXBTDPOOFDUFEZPVDBOWJFXUIFPVUEPPS
    UFNQFSBUVSFCZQSFTTJOHUIFPROGBOEHOLDCVUUPOTBUUIFTBNFUJNF
Installer Clear Button-PDBUFEPOCBDLPGUIFSNPTUBUCPEZDMFBSTBMMTFUUJOHT
Battery Compartment-PDBUFEJOUIFCBDLPGUIFSNPTUBU
Thermostat
1
2
3
4
5
6
7
8
9
10
*BACKBOE NEXTBSFTFDPOEBSZGVODUJPOTPGUIFPROGBOEHOLDCVUUPOT8IFOJOQSPHSBNNJOHPS 
  DPOmHVSBUJPONPEFTBACKBOENEXTBQQFBSJOUIFEJTQMBZJOEJDBUJOHUIBUUIFPROGBOEHOLDCVUUPOT 
  OPXGVODUJPOBTBACKBOENEXT
3
Quick Reference

Installer Manual 8
INSTRUCTIONS
DAY/TIME
5IF*OTUBMMFS4FUUJOHTNVTUCFQSPQFSMZDPOmHVSFEJOPSEFSGPSUIJTUIFSNPTUBUUPPQFSBUFDPSSFDUMZ5IF
*OTUBMMFS4FUUJOHTBSFNFOVESJWFO5IFQPSUJPOPGUIFTFTFUUJOHTUIBUEPOPUBQQMZUPZPVSTFUVQXJMMCF
TLJQQFE5IFTFTFUUJOHTBSFJOEJDBUFECFMPXXJUIDPNNFOUT.PSFEFUBJMPOFBDITFUUJOHGPMMPXTUIJTUBCMF

1SFTTBOEIPMEEPXOUIFRETURNBOE
 CVUUPOTGPSTFDPOET
 3FMFBTFCPUICVUUPOTBOEUIFmSTU
 JOTUBMMFSTFUUJOHXJMMCFEJTQMBZFE

$IBOHFTFUUJOHTBTSFRVJSFEVTJOHUIF
 PSCVUUPOT

1SFTTNEXT )0-%PSBACK 130(UP
 NPWFUPUIFOFYUPSQSFWJPVTTFUUJOH
 QSFTTRETURNUPFYJU
No. Installer Setting Factory Setting Comments
(
Notes follow this table) Default Options (More information follows this table)
  3FTJEFOUJBMPS RES RES 4FMFDUGPS3FTJEFOUJBMQSPmMF
  PS$PNNFSDJBM1SPmMF    COMM 4FMFDUGPS$PNNFSDJBMQSPmMF
  1SPHSBNNJOH.PEF 7 PROG 7 PROG 4FMFDUGPSEBZQSPHSBNNJOHNPEF
[note 1] 52 PROG 4FMFDUGPSEBZQSPHSBNNJOHNPEF
NO PROG 4FMFDUGPSOPOQSPHSBNNBCMFNPEF
  $MPDL'PSNBU 12 HR 12 HR 4FMFDUGPSIPVSDMPDL
24 HR 4FMFDUGPSIPVSDMPDL
  5FNQFSBUVSF4DBMF F DEG F DEG 4FMFDUGPS'BISFOIFJUEJTQMBZ
C DEG 4FMFDUGPS$FMTJVTEJTQMBZ
  "VUP$IBOHFPWFS oF AUTO oF AUTO %JTBCMFT"VUP$IBOHFPWFSNPEF
ON AUTO &OBCMFT"VUP$IBOHFPWFSNPEF
11CONV 4FMFDUGPS)$$POWFOUJPOBMTZTUFN
22CONV 4FMFDUGPS)$$POWFOUJPOBMTZTUFN
  4ZTUFN5ZQF 11CONV 11HP 4FMFDUGPS)$)FBU1VNQTZTUFN
22HP 4FMFDUGPS)$)FBU1VNQTZTUFN
32HP 4FMFDUGPS)$)FBU1VNQTZTUFN
1HD 4FMFDUGPS)FBU0OMZ)ZESPOJDTZTUFN
11HD 4FMFDUGPS)ZESPOJD)FBU$TZTUFN
4
Installer Settings
NOTE: Shaded areas below do not apply to the 71157P.
M
E
BACK NEXT

9 Installer Manual
No. Installer Setting Factory Setting Comments
(
Notes follow this table) Default Options (More information follows this table)
  TU4UBHF%JGGFSFOUJBM 0.5 DIF1 0.5, 1.0PS 4FMFDUBTUTUBHFUFNQFSBUVSFEJGGFSFOUJBMPG 
2.0 DIF1 ¡¡PS¡'¡¡PS¡$
  OE4UBHF%JGGFSFOUJBM 2.0 DIF2 1.0, 2.0, 3.0,  4FMFDUBOETUBHFUFNQFSBUVSFEJGGFSFOUJBMPG
[note 2] 4.0, 5.0PS ¡¡¡¡¡PS¡'¡¡¡¡
6.0 DIF2 ¡PS¡$
  SE4UBHF%JGGFSFOUJBM 2.0 DIF3 1.0, 2.0, 3.0,
4FMFDUBSETUBHFUFNQFSBUVSFEJGGFSFOUJBMPG¡¡
[note 2] 4.0, 5.0PS ¡¡¡PS¡'¡¡¡¡¡ 
6.0 DIF3 PS¡$
 TU4UBHF'BO$POUSPM HG FAN 1 HG FAN 1 4FMFDUGPSTUTUBHF(BTIFBUJOH
[note 3] HE FAN 1 4FMFDUGPSTUTUBHF&MFDUSJDIFBUJOH
 &NFSHFODZ)FBU> HE EMER HE EMER 4FMFDUGPS&MFDUSJD&NFSHFODZ)FBU
  'BO$POUSPM[note 4] HG EMER 4FMFDUGPS(BT&NFSHFODZ)FBU
 3FWFSTJOH7BMWF REVO REVO
4FMFDUGPSDPPMBDUJWF3FWFSTJOH7BMWF0UFSNJOBM
  0#5FSNJOBM[note 5] REVB 4FMFDUGPSIFBUBDUJWF3FWFSTJOH7BMWF#UFSNJOBM
 'PTTJM'VFM AE AUX AE AUX 4FMFDUGPS&MFDUSJD"VYJMJBSZIFBUXJUIDPNQSFTTPS
  #BDLVQ)FBU[note 4] AG AUX 4FMFDUGPS(BT"VYJMJBSZIFBUXJUIPVUDPNQSFTTPS
 $PNQSFTTPS1PXFS0VUBHF oF CPOP oF CPOP %JTBCMFT1PXFS0VUBHF-PDLPVU%FMBZ
  1SPUFDUJPO [notes 4, 6] on CPOP &OBCMFT1PXFS0VUBHF-PDLPVU%FMBZ
 "$1PXFS*OUFSSVQU
AC oF MONR AC oF MONR %JTBCMFT"$1PXFS*OUFSSVQU8BSOJOH
  8BSOJOH[note 6] AC on MONR &OBCMFT"$1PXFS*OUFSSVQU8BSOJOH
 $PNQSFTTPS4IPSU 5 CSCP 5, 4, 3, 2PS 4FMFDUBDPNQSFTTPSTIPSUDZDMFQSPUFDUJPOEFMBZ
  $ZDMF1SPUFDUJPO[note 7] 0 CSCP  PGPSNJOVUFT
 3FTJEVBM$PPMJOH 60 FAN 90, 60, 30  4FMFDUB3FTJEVBM$PPMJOH'BO%FMBZPG
  'BO%FMBZ[note 7] PS0 FAN PSTFDPOET
 "EBQUJWF3FDPWFSZ oF REC oF REC %JTBCMFT"EBQUJWFFBSMZ3FDPWFSZNPEF
  .PEF"3. [note 8] on REC &OBCMFT"EBQUJWFFBSMZ3FDPWFSZNPEF
 *OEPPS3FNPUF4FOTPS I SENS I SENS 5FNQFSBUVSFJTTFOTFEGSPNUIFSNPTUBUPOMZ
  $POUSPM[note 9] E SENS 5FNQFSBUVSFJTTFOTFEGSPNSFNPUFTFOTPSPOMZ
A SENS 5FNQFSBUVSFJTDPNCJOFEXJUIUIFUIFSNPTUBU 
        BOEUIFSFNPUFTFOTPS
 -PDLPVU4FDVSJUZ-FWFM 2 LOCK 2 LOCK *GMPDLFEo$PNQMFUFMPDLPVUJTFOBCMFE
1 LOCK *GMPDLFEo1BSUJBMMPDLPVUJTFOBCMFE
        CVUUPOTBSFTUJMMGVODUJPOBM
 "VUP$IBOHFPWFS 3 BAND 2, 3, 4PS5 4FMFDUB%FBE#BOEPG¡¡¡PS' 
  %FBE#BOE[note 10] BAND  ¡¡PS¡$GPS"VUP$IBOHFPWFSNPEF
 $PNQSFTTPS#BMBODF NO BALC NO BALC %JTBCMFT#BMBODF1PJOUT
1PJOU[notes 4, 11] 15-50 BALC 4FMFDUB$PNQSFTTPS#BMBODF1PJOUPG¡¡'
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No. Installer Setting Factory Setting Comments
(
Notes follow this table) Default Options (More information follows this table)
  )FBU4FU1PJOU6QQFS-JNJU 90LIM 90-60 LIM 4FMFDUB)FBU4FU1PJOU6QQFS-JNJUPG¡¡'
        ¡¡$
 $PPM4FU1PJOU-PXFS-JNJU 45LIM 45-80 LIM 4FMFDUB$PPM4FU1PJOU-PXFS-JNJUPG¡¡'
[note 7] ¡¡$
8IFOB$5$
®
PVUEPPSTFOTPSJTDPOOFDUFEUIFUIFSNPTUBUBVUPNBUJDBMMZSFDPHOJ[FTJU1SFTTPROGBOEHOLDBUUIF
TBNFUJNFUPEJTQMBZPVUEPPSUFNQFSBUVSF
/05&Additional options such as Service Monitors, setting the lock code, etc. are located in the
User Settings – See User manual for information on setting these options.
Installer Manual 10
NOTES - Installer Settings
1 0OMZBWBJMBCMFJG3FTJEFOUJBMQSPmMFXBTTFMFDUFEJOPQUJPO
2 0OMZBWBJMBCMFJGBPSTUBHFTZTUFNUZQFXBTTFMFDUFEJOPQUJPO
3 0OMZBWBJMBCMFJGB$POWFOUJPOBMTZTUFNXBTTFMFDUFEJOPQUJPO
4 0OMZBWBJMBCMFJGBPSTUBHF)FBU1VNQTZTUFNXBTTFMFDUFEJOPQUJPO
5 0OMZBWBJMBCMFJGB)FBU1VNQTZTUFNXBTTFMFDUFEJOPQUJPO
6 0OMZBWBJMBCMFJGUIF7PMU"$DPNNPOXJSFJTDPOOFDUFEUPUIF$UFSNJOBM
7 /PUBWBJMBCMFJGBIFBUPOMZIZESPOJDTZTUFNJTTFMFDUFEJOPQUJPO
8 0OMZBWBJMBCMFJGBQSPHSBNNBCMFQSPmMFXBTTFMFDUFEJOPQUJPO
9 0OMZBWBJMBCMFJGB$5$®JOEPPSSFNPUFTFOTPSXBTDPOOFDUFE
10 0OMZBWBJMBCMFJGBVUPDIBOHFPWFSXBTFOBCMFEJOPQUJPO
11 0OMZBWBJMBCMFJGB$5$PVUEPPSTFOTPSXBTDPOOFDUFE
Detailed Explanation of Installer Settings (also see NOTES above):
1Profileo4FMFDUTBSFTJEFOUJBM3&4PSDPNNFSDJBM$0..QSPmMF*GSFTJEFOUJBMJTTFMFDUFEQSPHSBNNJOH
 FWFOUTQFSEBZBSFBWBJMBCMF*GDPNNFSDJBMJTTFMFDUFEFWFOUEBZQSPHSBNNJOHJTBWBJMBCMF
2Programming Mode [note 1]o4FMFDUTUIFQSPHSBNNJOHNPEFFJUIFSGVMMEBZPSEBZXFFLEBZ
 XFFLFOEQSPHSBNNJOHPSOPOQSPHSBNNBCMF
3Clock Typeo4FMFDUTFJUIFSBIPVSPSIPVSDMPDL
4Temperature Scaleo4FMFDUTBUFNQFSBUVSFTDBMFPGFJUIFS¡'PS¡$
5Auto Changeovero4FMFDUTBVUPDIBOHFPWFSPOPSPGG8IFOBVUPDIBOHFPWFSNPEFJTFOBCMFEBOE
 TFMFDUFEUIFTZTUFNBVUPNBUJDBMMZTXJUDIFTCFUXFFOIFBUJOHBOEDPPMJOHNPEFT5IFSFJTBNJOVUF
 EFMBZXIFOTXJUDIJOHGSPNIFBUJOHUPDPPMJOHPSDPPMJOHUPIFBUJOHJOBVUPDIBOHFPWFSNPEF
NOTE: Also see “Auto Changeover Dead Band” in option 21.
6System Typeo4FMFDUTUIFTZTUFNUZQFGPSZPVSJOTUBMMBUJPONOTE: Changes made to this option will
reset options 7 through 15 back to their default values dependant on the system type.
71st Stage Differentialo4FMFDUTBTUTUBHFUFNQFSBUVSFEJGGFSFOUJBM

11 Installer Manual
82nd Stage Differential [note 2]o4FMFDUTBOETUBHFUFNQFSBUVSFEJGGFSFOUJBM
93rd Stage Differential [note 2]o4FMFDUTBSETUBHFUFNQFSBUVSFEJGGFSFOUJBM
10 1st Stage Fan Control [note 3]o4FMFDUTBTUTUBHFGBODPOUSPMPGFJUIFSHBTPSFMFDUSJDIFBU
11 Emergency Heat Fan Control [note 4]o4FMFDUTFNFSHFODZIFBUGBODPOUSPMPGFJUIFSHBTPSFMFDUSJDIFBU
12 Reversing Valve [note 5]o4FMFDUTUIFPVUQVUTUBUFPGUIF0#UFSNJOBM4FMFDU0GPSUIJTUFSNJOBMUP
 CFBDUJWFJOUIFDPPMNPEFPSTFMFDU#GPSUIJTUFSNJOBMUPCFBDUJWFJOUIFIFBUNPEF
13
Auxiliary Fossil Fuel Heat Pump Control [note 4]o8IFOTFUUPFMFDUSJD"&"69CPUIUIFDPNQSFTTPS
 TUTUBHFBOEBVYJMJBSZTUBHFTXJMMSVOXIFOBDBMMGPSBVYJMJBSZIFBUJTNBEF8IFOTFUUPHBT"("69
 UIFDPNQSFTTPSTUBHFTXJMMCFMPDLFEPVUPOFNJOVUFBGUFSBDBMMGPSBVYJMJBSZIFBU/05&This option can
be overridden if setting an auxiliary heat balance point in Option 23.
14
Compressor Power Outage Protection [notes 4, 6]o4FMFDUTQPXFSPVUBHFQSPUFDUJPOPOPSPGG8IFO
 FOBCMFEUIJTUIFSNPTUBUXJMMQSPWJEFDPMEXFBUIFSDPNQSFTTPSQSPUFDUJPOCZMPDLJOHPVUUIFDPNQSFTTPS
 TUBHFTPGIFBUJOHGPSBQFSJPEPGUJNFBGUFSBQPXFSPVUBHFHSFBUFSUIBONJOVUFT
15 AC Power Interrupt Warning [note 6]o8IFOFOBCMFEUIFUIFSNPTUBUXJMMEJTQMBZBOPVUBHFXBSOJOH
 XIFO"$QPXFSUPUIFUIFSNPTUBUJTMPTU
16 Short Cycle Protection [note 7]o4FMFDUTUIFOVNCFSPGNJOVUFTUIFDPPMJOHDPNQSFTTPSXJMMCF
 MPDLFEPVUBGUFSUVSOJOHPGG5IJTTIPSUDZDMFQSPUFDUJPOJTBMTPBDUJWFJOUIFIFBUNPEFJGBIFBUQVNQ
 TZTUFNXBTTFMFDUFEJO0QUJPO
17 Residual Cooling Fan Delay [note 7]o
4FMFDUTBEFMBZGPSUIFTZTUFNGBOBGUFSUIFDPPMJOHDPNQSFTTPS
 IBTUVSOFEPGG5IJTEFMBZXJMMIFMQSFNPWFUIFSFNBJOJOHDPPMBJSPVUPGUIFEVDUXPSLQSPWJEJOH
 BEEJUJPOBMFGmDJFODZ
18
Adaptive Recovery Mode (early recovery) [note 8]o&OBCMFTPSEJTBCMFTUIF"3.5.BEBQUJWFSFDPWFSZ
 NPEFGFBUVSF%VSJOH"3.SPPNUFNQFSBUVSFJTSFDPWFSFECZUVSOJOHPOUIFIFBUJOHPSDPPMJOHCFGPSFUIF
 FOEPGUIFTFUCBDLQFSJPE5IFTFUQPJOUUFNQFSBUVSFJTDIBOHFEUPUIBUPGUIFVQDPNJOHQSPHSBNUFNQFSBUVSF
19 Indoor Remote Sensor Control [note 9]o*GB$5$®JOEPPSSFNPUFTFOTPSJTDPOOFDUFEEVSJOH
 JOTUBMMBUJPOUIFUIFSNPTUBUXJMMBVUPNBUJDBMMZEFUFDUUIFTFOTPS8IFOBOJOEPPSTFOTPSJTEFUFDUFEZPV
 NBZTFMFDUCFUXFFOUIFSNPTUBUPOMZ*4&/4SFNPUFTFOTPSPOMZ&4&/4PSDPNCJOJOHUIFUIFSNPTUBU
 BOEUIFSFNPUFTFOTPS"4&/4NOTE: This option does not apply to a CTC outdoor sensor. When
an outdoor sensor is connected the thermostat automatically recognizes it and no further configuration
is necessary.
20 Lockout Security Levelo4FMFDUTUIFMFWFMPGLFZQBEMPDLPVUXIFOUIFUIFSNPTUBUJTMPDLFE-FWFM
 MPDLTUIFFOUJSFUIFSNPTUBUJODMVEJOHUIFGSPOUSFTFUCVUUPO-FWFMMPDLTFWFSZUIJOHFYDFQUUIF
 CVUUPOTBMMPXJOHGPSUFNQFSBUVSFBEKVTUNFOUNOTE: The lock code is set in the
User Settings mode (see User Manual).

21 Auto Changeover Dead Band [note 10]o8IFOBVUPDIBOHFPWFSNPEFJTFOBCMFEJOPQUJPOBOE
 TFMFDUFEUIFTZTUFNBVUPNBUJDBMMZTXJUDIFTCFUXFFOIFBUJOHBOEDPPMJOHXIFOUIFSPPNUFNQFSBUVSF
 NFFUTUIFOPSNBMDSJUFSJBGPSFJUIFSBIFBUJOHPSDPPMJOHDBMM5IFSFJTBGPSDFETFQBSBUJPOEFBECBOE
 CFUXFFOUIFIFBUJOHBOEDPPMJOHTFUQPJOUTTPUIBUUIFTZTUFNTEPOPUXPSLBHBJOTUFBDIPUIFS5IJT
 PQUJPOTFMFDUTUIFBNPVOUPGUIJTEFBECBOEJOEFHSFFTXJUIUIFEFGBVMUCFJOH¡'
22 Compressor Balance Point [notes 4, 11]o-PDLTPVUUIFVTFPGUIFDPNQSFTTPSIFBUTUBHFXIFOUIF
 PVUTJEFBJSUFNQFSBUVSFJTMFTTUIBOUIFTFMFDUFETFUUJOHPG¡'UP¡'¡$UP¡$
23 Auxiliary Heat Balance Point [notes 4, 11]o-PDLTPVUUIFVTFPGUIFBVYJMJBSZIFBUTUBHFXIFOUIF
 PVUTJEFBJSUFNQFSBUVSFFYDFFETUIFTFMFDUFETFUUJOHPG¡'UP¡'¡$UP¡$NOTE: This
balance point overrides the fossil fuel compressor lockout in option 13. If this option is set to gas and
the outdoor
temperature is over the auxiliary balance point, the compressor will remain on during a call
for auxiliary heat.
24 Heat Set Point Upper Limito4FMFDUTUIFIFBUJOHTFUQPJOUVQQFSBEKVTUNFOUMJNJU
25 Cool Set Point Lower Limit [note 7]o4FMFDUTUIFDPPMJOHTFUQPJOUMPXFSBEKVTUNFOUMJNJU
Installer Manual 12
Warning
3FBE#FGPSF5FTUJOH
t %POPUTIPSUPSKVNQFSBDSPTTUFSNJOBMTPOUIFHBTWBMWFPSBUUIFIFBUJOHPSDPPMJOHTZTUFNDPOUSPM
 CPBSEUPUFTUUIFUIFSNPTUBUJOTUBMMBUJPO5IJTDPVMEEBNBHFUIFUIFSNPTUBUBOEWPJEUIFXBSSBOUZ
t %POPUTFMFDUUIF$00-NPEFPGPQFSBUJPOJGUIFPVUTJEFUFNQFSBUVSFJTCFMPX'$5IJTDPVME
 QPTTJCMZEBNBHFUIFDPOUSPMMFEDPPMJOHTZTUFNBOENBZDBVTFQFSTPOBMJOKVSZ
t 5IJTUIFSNPTUBUJODMVEFTBOBVUPNBUJDDPNQSFTTPSQSPUFDUJPOGFBUVSFUPBWPJEQPUFOUJBMEBNBHFUPUIF
 DPNQSFTTPSGSPNTIPSUDZDMJOH8IFOUFTUJOHUIFTZTUFNNBLFTVSFUPUBLFUIJTEFMBZJOUPBDDPVOU
NOTE: The compressor delay can be bypassed by pressing the reset button on the front of the thermostat.
All user settings will be returned to factory default, however all Installer settings will remain as originally
programmed in section 4.
1 1SFTTUIFSYSTEMCVUUPOVOUJMUIFUIFSNPTUBUJTJO)&"5NPEF
2 6TFUIFCVUUPOUPSBJTFUIFTFUUFNQFSBUVSFBNJOJNVNPGEFHSFFTBCPWFUIFDVSSFOUSPPN 
 UFNQFSBUVSF5IFTZTUFNTIPVMETUBSUXJUIJOBGFXTFDPOET8JUIBHBTIFBUJOHTZTUFNUIFGBONBZ
 OPUTUBSUSJHIUBXBZ
3 1SFTTSYSTEMVOUJMUIFUIFSNPTUBUJTJOUIF0''NPEF"MMPXUIFIFBUJOHTZTUFNUPGVMMZTIVUEPXO
4 1SFTTSYSTEMVOUJMUIFUIFSNPTUBUJTJOUIF$00-NPEF
5 6TFUIFCVUUPOUPMPXFSUIFTFUUFNQFSBUVSFBNJOJNVNPGEFHSFFTCFMPXUIFDVSSFOUSPPN 
 UFNQFSBUVSF5IFTZTUFNTIPVMETUBSUXJUIJOBGFXTFDPOETVOMFTTDPNQSFTTPSTIPSUDZDMFQSPUFDUJPO
 JTBDUJWFo4FFOPUFBCPWF
6 1SFTTSYSTEMVOUJMUIFUIFSNPTUBUJTJOUIF0''NPEF"MMPXUIFDPPMJOHTZTUFNUPGVMMZTIVUEPXO
7 1SFTTFANVOUJMUIFUIFSNPTUBUJTJO'"/0/NPEF5IFTZTUFNGBOTIPVMETUBSUXJUIJOBGFXTFDPOET
8 1SFTTFANVOUJMUIFUIFSNPTUBUJTJO'"/"650NPEF"MMPXUIFTZTUFNGBOUPUVSOPGG
5
System Testing

Store this manual for future reference.
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CTC Thermostats Limited Warranty
$5$XBSSBOUTZPVS$5$UIFSNPTUBUUPCFGSFFGSPNEFGFDUTJONBUFSJBMPSXPSLNBOTIJQGPSBQFSJPEPGUISFFZFBSTGSPNUIFEBUFPG
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EFGFDUTNBMGVODUJPOTPSGBJMVSFTPGZPVS$5$UIFSNPTUBUXIJDIXFSFDBVTFECZSFQBJSTCZQFSTPOTOPUBVUIPSJ[FECZVTNJT
IBOEMJOHJNQSPQFSJOTUBMMBUJPONPEJmDBUJPOTPSEBNBHFUPUIF$5$UIFSNPTUBUXIJMFJOZPVSQPTTFTTJPOPSVOSFBTPOBCMFVTF
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