Bosch 8-733-944-325 User Manual Download

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Bosch

Programmable Thermostat

2H/2C/Hum Touch-Technology Thermostat

Installation, Operation & Application Manual

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Summary of Contents for 8-733-944-325

Page 1: ...Bosch Programmable Thermostat 2H 2C Hum Touch Technology Thermostat Installation Operation Application Manual ...

Page 2: ...2 Bosch 2H 2C Hum Touch Technology Thermostat Installation Operation Application Manual 09 2016 Bosch Thermotechnology Corp Data subject to change ...

Page 3: ...ermostat 6 4 Wiring diagram 7 4 1 Terminal designator descriptions 7 5 System setup and configuration 8 5 1 Connection to the UPM 8 5 2 Configuration of the UPM 8 5 3 Output chart 8 5 4 Humidity output chart 8 5 5 Locking unlocking thermostat 9 5 6 Changing the lock code 9 5 7 Configuration mode 9 5 8 Configuration mode settings 9 6 Mode of operation 14 6 1 Icon functions 14 6 2 Operating modes 15...

Page 4: ...where there is no risk to people or property 1 2 Safety Please read before proceeding WARNING Always turn off power at the main power supply before installing cleaning or removing thermostat Read this manual carefully before installing or operating your new thermostat Make sure to save this manual for future reference WARNING This thermostat is for 24 VAC applications only do not use on voltages o...

Page 5: ...tat Remote Sensor Compatible Ideally Suited for Residential New Construction Replacement Light Commercial Service Alarm Fault Detection and History 2 3 Package contents tools required Package includes Thermostat base Wiring labels Screws and wall anchors 2 AA Alkaline batteries Installation Operation and Application Manual Tools required for installation Drill with 3 16 bit Hammer Screwdriver 2 4 ...

Page 6: ...ling 3 3 Installing thermostat DANGER ELECTRICAL SHOCK HAZARD Turn off power at the main service panel by removing the fuse or switching the appropriate circuit breaker to OFF position before removing the existing thermostat CAUTION Thermostat installation must conform to local and national building and electrical codes and ordinances Mount the thermostat about ﬁve feet above the ﬂoor Do not mount...

Page 7: ... jumper between RH and RC is required Thermostat is powered between RH C 4 1 Terminal designator descriptions A Alarm display 24 VACinput switched from RH RC RH 24 VAC hot C 24 VAC common Y1 1st stage cool 1st stage heat for heat pumps Y2 2nd stage cool for 2 stage or 2 compressor systems 2nd stage heat for 2 stage or 2 compressor heat pump systems G Fan W1 O B Configurable W1 1st stage heat for n...

Page 8: ...B Y1 Y2 G B Emergency Heat heat pump only N A N A W2 G N A Table 2 G not on for gas oil systems 5 4 Humidity output chart De humidiﬁcationSetting With Humidity Control Demand No N A Humidiﬁcation Only Heat W Heat Fan W and or G Dehumidiﬁcation Only Cool No G only Cool Fan Y and or G Table 3 When in dehumidiﬁcation mode and EAC is set to Cool 2 Y2 will energize to extend cooling cycle See Conﬁgurat...

Page 9: ...o conﬁgure the thermostat perform the following steps 1 Press then press repeatedly until is selected 2 Press to advance from one screen to the next Pressing will return you to the previous screen 3 Press the or to change settings within each screen Changes are saved automatically 4 To exit conﬁguration mode press Auto exit occurs after two minutes with no icons touched 5 8 Configuration mode sett...

Page 10: ... F 1 C to 5 C Set the minimum separation between heat setpoint and cool setpoint in Auto Changeover Mode Press the or to set deadband value Press to advance to the next screen CONFIG Figure 9 Heat Source There are six heat source settings WARNING Incorrect settings can damage system and or cause potentially dangerous conditions Use the code described in Configuration and Thermostat Lock Non Heat P...

Page 11: ...thermostat is locked Press the or to select Press to advance to the next screen CONFIG Figure 13 Maximum Heat Setpoint 45 F to 90 F 7 C to 32 C Adjust to control the maximum heat set temperature allowed Press the or to select Press to advance to the next screen CONFIG HEAT Figure 14 Minimum Cool Setpoint 45 F to 90 F 7 C to 32 C Adjust to control the minimum cool set temperature allowed Press the ...

Page 12: ...oner or dehumidiﬁer to de humidify home Press the or to select Press to advance to the next screen CONFIG HUMIDITY Figure 20 Humidity Differential 1 to10 Set the percent diﬀerence between the setpoint humidity and when the humidiﬁer or dehumidiﬁer system turns on Press the or to select Press to advance to the next screen CONFIG HUMIDITY RH Figure 21 Condition to Turn On Set the condition for syste...

Page 13: ... SLEEP The fan will run continuously during this scheduled period when the mode is not set to OFF To turn on the fan during one of the scheduled periods WAKE LEAVE RETURN SLEEP please do the following Press or to select Press to advance to the next screen CONFIG ON SCHEDULE FAN OFF Figure 25 Check Filter Timer 800 2500 hours After the number of fan running hours specified for example 1200 hours th...

Page 14: ...de feature is conﬁgured The thermostat is controlling a dehumidiﬁer including an air conditioner The thermostat will turn on the dehumidiﬁer when the relative humidity is above the setpoint humidity by the diﬀerential Depending on the settings when the relative humidity reaches the diﬀerential humidity set or the room temperature is 3 F below the set cooling temperature the dehumidiﬁer is turned o...

Page 15: ...on the display for each stage of heat that is on For heat pumps there is a four minute delay for your compressor to restart after it has turned oﬀ To bypass the compressor time delay go to OFF mode and press HEAT HEAT MODE Figure 29 EM Heat Mode In this mode the compressor is bypassed and emergency heat is used This mode is only used with heat pumps HEAT MODE Figure 30 Cool Mode In this mode the t...

Page 16: ... correct setting HEAT FAN Either the heating system or fan must be operating in order for the humidifier to turn on HEAT Heat must be operating in order for the humidiﬁer to turn on no No condition other than humidity reading below setpoint and diﬀerential will turn on humidiﬁer 1 Go to MENU HUMIDITY and press 2 Change the humidity setpoint above the relative humidity by the diﬀerential see Conﬁgu...

Page 17: ... heat temperature and cool temperature The thermostat monitors the day and time while maintaining the speciﬁc conditions you have chosen for each period in your program Setting the program schedule 1 Press then press until EDIT is displayed 2 Press to enter Program Schedule 3 The day of the week ﬂashes Use the or to select the day of the week You can select the days individually or if you keep goi...

Page 18: ...ocked View fault Screen VIEW Day Month Figure 33 View month day and year VIEW Day Month Year Figure 34 View program schedule settings OFF shows when schedule is off SETTINGS show when schedule is on VIEW SCHEDULE SLEEP Mon Figure 35 View if locked or unlocked Unlocked Locked VIEW Figure 36 View filter status Accumulated fan run time displays VIEW Figure 37 Display setpoints fan and program informa...

Page 19: ... is illuminated To view UPM s fault code go to Press multiple times to the last menu item If no fault history is recorded screen will show VIEW Er no VIEW Figure 39 If fault history is recorded screen will show VIEW E x month date time indicating the fault code date and time of the fault VIEW Day Month Figure 40 You can press or button to browse fault history The thermostat records the latest 20 f...

Page 20: ...Schedule will be overridden until the next transition period To switch to the 1 5 hour override use the arrow This mode allows the user to override the Schedule set points for 1 5 hours Figure 41 6 10 Setting the vacation timer The vacation timer lets you set the date and time of your RETURN from vacation Until that date time the system will remain at the VACATION heating and cooling setpoints spe...

Page 21: ...onal program schedule to record your settings MONDAY 1 WAKE LEAVE RETURN 6 00PM SLEEP HEAT HEAT HEAT HEAT COOL COOL COOL COOL TUESDAY 2 WAKE LEAVE RETURN 6 00PM SLEEP HEAT HEAT HEAT HEAT COOL COOL COOL COOL WEDNESDAY 3 WAKE LEAVE RETURN 6 00PM SLEEP HEAT HEAT HEAT HEAT COOL COOL COOL COOL THURSDAY 4 WAKE LEAVE RETURN 6 00PM SLEEP HEAT HEAT HEAT HEAT COOL COOL COOL COOL FRIDAY 5 WAKE LEAVE RETURN 6...

Page 22: ...ot correct Calibrate thermostat see Conﬁguration Mode Setting LOCK displays when any button is pressed Thermostat has the button lockout function activated see Lockout Unlock Feature and see Conﬁguration Mode Setting Section 5 8 Heat or Cool not coming on Verify wiring is correct gently pull on each wire to verify there is a good connection at terminal block displays Check for low battery conditio...

Page 23: ...Installation Operation Application Manual Bosch 2H 2C Hum Touch Technology Thermostat 23 Bosch Thermotechnology Corp 09 2016 Data subject to change NOTES ...

Page 24: ...United States and Canada Bosch Thermotechnology Corp 50 Wentworth Avenue Londonderry NH 03053 Tel 866 305 9974 Fax 603 965 7581 www boschheatingandcooling com BTC 469202102 A 09 2016 ...

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