White Outdoor 775 Spécifications

APPLICATION GUIDE AND CROSS REFERENCE63-7147-05T775 Series 2000 ElectronicStand-Alone Controllers

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 10Chiller, Rotary Compressor – T775BApplication DescriptionThe T775B is controlling the

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS11 63-7147—05Cooling Tower Control – T775B2040Application DescriptionThe T775B2040 is controlling a

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 12Time-based Control of Fan, Pump, etc. — T775 (all models)Application DescriptionIn thi

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS13 63-7147—05Damper or Valve Modulation – T775M or T775RApplication DescriptionIn this example, a T

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 14Hot Water Reset – T775RApplication DescriptionThe T775R is controlling the boiler wate

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS15 63-7147—05Hot Water Reset (continued)WiringAll output relays should have a common power wiring s

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 16Chilled Water Reset – T775RApplication DescriptionThe T775R is controlling the chiller

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS17 63-7147—05Chilled Water Reset (continued)Device CheckoutThe T775 performance can be checked out

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 18Refer to the staging diagram in Fig. 18 for individual stage behavior. Fig. 18. Boiler

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS19 63-7147—05IMPORTANTAfter the desired value is selected, be sure to press the  or  or HOME butt

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 2IMPORTANTThe T775R is an operating control, not a limit or safety control. If used in a

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 20Multi-Stage Chiller Control (No Reset) – T775PApplication DescriptionThe T775P is prov

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS21 63-7147—054 Stage with Pump Output and Reset – T775P using a T775S Expansion ModuleApplication D

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 224 Stage with Pump Output and Reset (continued)WiringAll output relays should have a co

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS23 63-7147—053 Stage Reciprocating Chiller – T775LApplication DescriptionThe T775L is controlling t

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 244 Stage Heat and 6 Stage Cool – T775LApplication DescriptionThe T775L is providing con

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS25 63-7147—054 Stage Heat and 6 Stage Cool (continued)Fig. 31. T775L wiring — 4 stage heat and 6 st

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 26Pressure with a Variable Frequency Drive (VFD) – T775UApplication DescriptionIn this a

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS27 63-7147—05Carbon Dioxide (CO2) Sensing – T775UApplication DescriptionIn this application, the T7

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 28Resetting Zone Air Temp Based on Outside Air Temp (2 stage cooling)Application Descrip

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS29 63-7147—05Resetting Discharge Air Temp Based on Return Air Temp(Modulating cooling valve)Applica

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS3 63-7147—05T775 APPLICATION TIPSQ Does the T775 save programmed values if the power is lost?A Yes

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 30Using the T775R as a Differential Temperature Controller for Solar Water Heating Appli

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS31 63-7147—05Fig. 39. T775R wiring diagram for solar water heating.SENSOR A (COLLECTORWATER TEMP.)C

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 32Maintaining Differential Temperature for both Heating and Cooling Application Descript

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS33 63-7147—05T775 APPLICATION REPLACEMENT EXAMPLESThis section describes how a T775 Series 2000 Ele

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 34T775M2030 Replacement for W973A Logic Panel (continued)NOTE: Fig. 43 is for wiring pur

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS35 63-7147—05T775M2030 Replacement for W973A Logic Panel (continued)In this replacement application

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 36T775R Replacement for W964F Aquatrol Panel with Floating Actuator (continued)NOTE: Tab

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS37 63-7147—05T775R Replacement for W964F Aquatrol Panel with Floating Actuator (continued)In this r

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 38T775L Replacement for S984 Step ControllerThis replacement example illustrates how a T

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS39 63-7147—05T775L Replacement for S984 Step Controller (continued)NOTE: Fig. 47 is for wiring purp

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 4Accessories• 107324A – Bulb Holder, duct insertion• 107408 – Heat Conductive Compound,

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 40Table 4. T775L replacement for S684 or S984.Component/Function S684 or S984 T775L Rep

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS41 63-7147—05T775L Replacement for W7100C Discharge Air ControllerThis replacement example illustra

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 42T775L Replacement for W7100C Discharge Air Controller (continued)NOTE: Fig. 49 is for

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS43 63-7147—05T775L Replacement for W7100C Discharge Air Controller (continued)In this replacement a

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 44T775 CROSS REFERENCETable 6 lists the manufacturers in the following order:• Johnson (

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS45 63-7147—05W351A with 1 S351Johnson T775U2006 Johnson model: 2 SPDT humidityW351P Johnson T775U20

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 46T6031A1011 Honeywell 15 to 90 SPDT 5 ft. T775A2009 5001774-001T6031A1029 Honeywell -30

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS47 63-7147—05T675A1516 Honeywell 0 to 100 SPDT 5 ft. T775A2009 5001774-001T675A1524 Honeywell 55 to

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 48T775B1018 Honeywell -20 to 240 3-SPDT T775B2040T775B1026 Honeywell -20 to 240 4-SPDT T

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS49 63-7147—05Johnson (Mechanical)A19ABA-40 Johnson -30 to 100 SPST No cap T4031A1073 1/2” - 123869A

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS5 63-7147—05Sensor InputsNumber of sensor inputs 122222222223222222 0Number of sensors included 111

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 50A28AA-9 Johnson 20 to 80 2-SPDT 6 ft. T678A1437 1/2” - 112622AA T775B2032 5001774-001

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS51 63-7147—05A80ABA-3 Johnson 60 to 140 135 Ohm 6 ft. T991A1244 121371Q T775M2048 5001774-001 T991

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 52230-22 White Rodgers 20 to 120 SPST 8 ft. T4031A1004(40 to 180° F)1/2” - 123869A T775A

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS53 63-7147—05TC4252 Barber Colman 70 to 120 SPDT 30 ft. T678B1006 1/2” - 112622AA T775R2035 5001774

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS54 63-7147—05Table 7. Cross Reference. (Continued)1 can be configured with up to two T775S expansio

55 63-7147—05NOTES

Automation and Control SolutionsHoneywell International Inc.1985 Douglas Drive NorthGolden Valley, MN 55422Honeywell Limited-Honeywell Limitée35 Dyna

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 6T775 OPERATIONSIntegral Action“Droop” and equipment hunting can be minimized by summing

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS7 63-7147—05Reset Programming (T775L, T775P, T775R, and T775U models only)To program an output for

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS63-7147—05 8T775 APPLICATIONSWater Source Heat Pump Loop Water Controller – T775BApplication Descri

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS9 63-7147—05Chiller – T775BApplication DescriptionAs the water temperature in the sump rises, the T