Bosch 3H/2C, Installation & Operation Manual

Page 1: ...Bosch Programmable Thermostat 3H 2C Touch Technology Thermostat Compatible with Bosch SM Water Source Heat Pumps Installation Operation Application Manual ...

Page 2: ...2 Bosch 3H 2C Touch Technology Thermostat Installation Operation Application Manual 08 2016 Bosch Thermotechnology Corp Data subject to change ...

Page 3: ...3 3 Installing thermostat 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 Configuration and thermostat lock 8 5 5 Locking unlocking thermostat 8 5 6 Changing the lock code 9 5 7 Configuration mode 9 5 8 Configuration Mode Settings 9 6 Mode of operation 13 6 1 Icon Functions ...

Page 4: ...ere 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 ove...

Page 5: ...n Thermostat 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 Screwdr...

Page 6: ...ng 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 t...

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 no...

Page 8: ...A W2 G W2 AUX G N A Table 2 G not on for gas oil systems One compressor only The thermostat is configurable for all systems The configuration directly affects the outputs Use the output chart to correctly configure and wire the thermostat to your system 5 4 Configuration and thermostat lock During Configuration Mode certain settings are protected by a numeric code access screen to prevent unintentional...

Page 9: ...n 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 Settings The setup screens for Configuration Mode are as follows Tempe...

Page 10: ...is set to Press the or to set Press to advance to the next screen CONFIG CONFIG Figure 9 Minimum Deadband 1 F to 9 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 10 Heat Source There are six heat source settings WARNING Incorrect settings can damage system a...

Page 11: ...rmostat is locked Press the or to select Press to advance to the next screen CONFIG Figure 14 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 15 Minimum Cool Setpoint 45 F to 90 F 7 C to 32 C Adjust to control the minimum cool set temperature allowed Press the or ...

Page 12: ...an Operation 1 30 minutes per hour Used in conjunction with the Fan HOURLY mode When the user selects this option the fan will turn on at the beginning of every hour and run for the number of minutes indicated here Press or to select Press to advance to the next screen CONFIG HOURLY Figure 22 Fan on Schedule OFF WAKE LEAVE RETURN SLEEP The fan will run continuously during this scheduled period whe...

Page 13: ... When the call for cooling has been satisfied the outputs are turned off The thermostat will not let the compressor come on for 4 minutes after it turns off to protect your compressor The program schedule can be overridden by changing the set temperature or This puts the thermostat into a temporary hold It will automatically return to the program schedule depending on how the override feature is confi...

Page 14: ... 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 27 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 28 Cool Mode In this mode the the...

Page 15: ...ess until cool mode is displayed 2 Adjust set temperature so it is 5 degrees below room temperature 3 Cooling should come on within a few seconds 4 Adjust the set temperature 2 degrees above the room temperature and the cooling should turn off There may be a fan delay on your system There is a four minute time delay to protect the compressor after it turns off To bypass the compressor time delay go ...

Page 16: ...RN SLEEP begins flashing Use the or to select the desired period 6 Press to continue 7 Hour flashes Use the or to select the hour when you want the current period to begin 8 Press to continue 9 The minutes flash Use the or to select the minutes when you want the current period to begin 10 Press to continue 11 The HEAT temperature flashes Use the or to set the desired heat temperature 12 Press to conti...

Page 17: ...e disabled and the Call Service Tech light 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 37 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 38 You can press or button to browse fault hist...

Page 18: ...chedule 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 39 6 9 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 speci...

Page 19: ...l 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 00...

Page 20: ...perature differential see Configuration Mode Setting Section 5 8 Thermostat does not follow program Verify the schedule is on check time AM PM check if in program override Fan runs continuously Press and set to auto is continuous run Room temperature is not correct Calibrate thermostat see Configuration Mode Setting LOCK displays when any button is pressed Thermostat has the button lockout function a...

Page 21: ...Installation Operation Application Manual Bosch 3H 2C Touch TechnologyThermostat 21 Bosch Thermotechnology Corp 08 2016 Data subject to change NOTES ...

Page 22: ...22 Bosch 3H 2C Touch Technology Thermostat Installation Operation Application Manual 08 2016 Bosch Thermotechnology Corp Data subject to change ...

Page 23: ...Installation Operation Application Manual Bosch 3H 2C Touch TechnologyThermostat 23 Bosch Thermotechnology Corp 08 2016 Data subject to change ...

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 469202101 B 08 2016 ...