CTC Union 71157P Installer 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

CTC Union 71157P Specifications

General

Brand	CTC Union
Model	71157P
Category	Thermostat
Language	English