Benutzeranleitung / Produktwartung 975 des Produzenten Universal Electronics
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Comfor t-Set ® 90 Series 90 Series 90 Series 90 Series 90 Series TM PREMIUM Model 975 Model 975 Model 975 Model 975 Model 975 Installation and Operating Installation and Operating Installation and Op.
17 16 4 3 5 6 2 1 7 8 9 10 11 12 13 14 15 Easy, Menu-Driven Set-Up Easy, Menu-Driven Set-Up Easy, Menu-Driven Set-Up Easy, Menu-Driven Set-Up Easy, Menu-Driven Set-Up and Programming and Programming and Programming and Programming and Programming Premium options to customize the thermosta t to fit your applica tion.
1 INTR ODUCTION Thank you for purchasing your new Model 975 thermo- stat. White-Rodgers has been producing energy sa ving controls for ov er 60 years. W e ha ve been designing and producing the Comfort-Set family of electronic program- mable thermostats since 1982.
2 THE THERMOSTAT BUTTONS THE THERMOSTAT BUTTONS THE THERMOSTAT BUTTONS THE THERMOSTAT BUTTONS THE THERMOSTAT BUTTONS See inside front cov er for illustration showing button locations.
3 FAN AUTO HRS CHECK BATTERY STAT SYSTEM ° F AM MON PRG FAN ON HEAT HEAT HRS CHECK BATTERY ° F AM MON WED THU FRI SAT SUN TUE WED THU FRI SAT SUN TUE 18 18 19 20 21 21 22 25 23 24 Figure 1.
4 INST ALLA TION Model 975 : 7 Day programming ELECTRICAL DATA ELECTRICAL DATA ELECTRICAL DATA ELECTRICAL DATA ELECTRICAL DATA Electrical Rating: 17 to 30 V AC, 50/60 Hz 0.05 to 1.5 Amps 1.5 Amps maximum total load (all terminals combined) Standard Systems: Fuel : gas, oil, electric.
5 Installation PRECAUTIONS PRECAUTIONS PRECAUTIONS PRECAUTIONS PRECAUTIONS ▲ ! WARNING WARNING WARNING WARNING WARNING Do not shor t out ter minals on gas valv e or primar y control to test. Shor t or incor rect wiring will damage ther mostat and could cause personal injur y and/or proper ty damage .
6 ATTENTION! ATTENTION! ATTENTION! ATTENTION! ATTENTION! This product does not contain mercury . Howe ver , this product may replace a unit which contains mercury . Do not open mercury cells. If a cell becomes damaged, do not touch any spilled mercury .
7 Installation Insert the wires into the terminals on the base using the appropriate wiring diagram and tighten the terminal screws. CONFIGURING CONFIGURING CONFIGURING CONFIGURING CONFIGURING AND PRO.
8 WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS All wiring diagrams are for typical systems only . Refer to equipment manufacturers’ instructions for specific system wiring information. MV 6 Y G W O B RC RH H M V W R H R C GYOB 6 W RH 1 2 3 E L M K J I Figure 2.
9 Installation MV 6 Y G W O B RC RH H M V W R H R C GYO B 6 G Y 5 3 C 2 D E 4 RH W 1 L M K J I Figure 3. Typical wiring diagram for heat only, cool only, & heat/cool single transformer system Figure 3. Typical wiring diagram for heat only, cool only, & heat/cool single transformer system Figure 3.
10 MV 6 Y G W O B RC RH M V W R H R C GYO B 6 MV RH 1 A WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS 1 F r om milliv olt system NO TE: Ther mostat must ha ve batteries installed.
11 Installation 1 F rom heating system 2 F rom 24 V AC transformer 3 F rom fan relay 4 F rom cooling system NO TE: Thermosta t must have batteries installed. MV 6 Y G W O B RC RH M V W R H R C GYOB 6 M V RH A G Y 4 C D 3 RC 2 1 L M K J 1 I Figure 5. Typical wiring diagram for two-wire millivolt heating & three-wire cooling system Figure 5.
12 WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS H MV W RH RC G Y O B 6 W R H 1 2 6 1 3 B MV 6 Y G W O B RC RH 64 5 2 1 L M K J I 1 F rom zone valve 2 F rom 24 V AC transformer (through zone valve) 3 Red jumper wire (provided) NO TE: Ther mostat must have batteries installed.
13 MV 6 Y G W O B RC RH M V W R H R C GYO B 6 W RH 1 2 E N O C D RC G Y 5 3 4 L M K J L M K J Figure 7. Typical wiring diagram for heat/cool, five-wire, two-transformer system Figure 7. Typical wiring diagram for heat/cool, five-wire, two-transformer system Figure 7.
14 MV 6 Y G W O B RC RH H P MV W RH RC G Y O B 6 RC G Y 5 2 C 1 D 4 3 L M K J I F G WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS Figure 8. Typical wiring diagram for single stage heat pump, four-wire, single transformer system Figure 8.
15 Installation JUMPERS JUMPERS JUMPERS JUMPERS JUMPERS Before turning power on to the system, the jumpers on the back of the thermostat must be configured to operate correctly with the system equipment. This thermostat is configured from the factory to operate a standard fossil fuel (gas, oil, etc.
16 Step Press Button(s) Displayed (F actory Default) Press or to select: COMMENTS 1 EMR (ON) OFF 2 SET CYCL HEA T (05) 02 - 40 Adjusts heat anticipation value (2 through 40) 3 SET CYCL COOL (14) 09 - .
17 8 0 ˚ F (0) 5 LO to 5 HI 9 ( ˚ F) C 11 REMT SEN (OFF) ON Selects remote sensor OFF or ON 12 P AR T LOCK (OFF) ON Selects partial keypad lock out OFF or ON 13 LOCK (OFF) ON Selects total keypad lo.
18 CONFIGURATION CONFIGURATION CONFIGURATION CONFIGURATION CONFIGURATION INSTALLER INSTALLER INSTALLER INSTALLER INSTALLER CONFIGURATION CONFIGURATION CONFIGURATION CONFIGURATION CONFIGURATION The configuration settings can be changed at any time to meet system or personal requirements.
19 Installation COOLING is from 9 to 40. The factory preset is 14. The recom- mended initial setting for hydronic systems is 35. The cooling will not go below 9 because compressors require a longer cycle. The chart below sho ws how this adjustment range affects thermostat performance.
20 CONFIGURATION CONFIGURATION CONFIGURATION CONFIGURATION CONFIGURATION would be set so the fan shuts of f just as the cool air is exhausted. If this timing is set too long the fan may begin blo wing warm air before it shuts off. Shortening the f an-off delay will prev ent this.
21 temperature display . This is an excellent feature if the thermostat is in a poor location for sensing temperature or the thermo- stat is in a separate room to prev ent tampering. NOTE The remote sense featur e will not work if the system does not pro vide 24V to the thermostat (example: millivolt heating-only systems or 3-wire zone valv es).
22 COOLING SYSTEM COOLING SYSTEM COOLING SYSTEM COOLING SYSTEM COOLING SYSTEM CHECK THERMOSTAT OPERATION CHECK THERMOSTAT OPERATION CHECK THERMOSTAT OPERATION CHECK THERMOSTAT OPERATION CHECK THERMOSTAT OPERATION T o pr event compressor and/ or property damage, if the outdoor temperature is below 50°F (10°C), DO NO T operate the cooling system.
23 The configuration menus allo w you to set certain thermostat operating characteristics to your system or personal requirements. T o enter the User Configuration menu, press PROGRAM RUN to make sure the thermostat is in the run program mode, then press TIME FWD and TIME BACK at the same time to enter the configuration menu.
24 CONFIGURATION MENU CONFIGURATION MENU CONFIGURATION MENU CONFIGURATION MENU CONFIGURATION MENU Step Press Button(s) Displayed (F actory Default) Press or to select: COMMENTS 1 EMR (ON) OFF 2 SET CY.
25 Configuration 8 0 ˚ F (0) 5 LO to 5 HI 9 ( ˚ F) ˚ C 11 REMT SEN 12 P AR T LOCK (OFF) ON Selects partial keypad lock out OFF or ON 13 LOCK (OFF) ON Selects total keypad lock out OFF or ON 14 Retu.
26 PR OGRAMMING MANUAL OPERATION MANUAL OPERATION MANUAL OPERATION MANUAL OPERATION MANUAL OPERATION Y our Comfort-Set 90 thermostat can be used to control temperature manually (without programming). For manual operation, press SYSTEM to select HEAT HEAT HEAT HEAT HEAT or COOL COOL COOL COOL COOL , then press PROGRAM HOLD .
27 Programming and the settings for time and temperature. 9. If you program Monday the first time you press PROGRAM VIEW it will be copied to the rest of the week. T o program the other days of the week press ADV . / DA Y to until you reach the day you wish to change and follow Steps 10, 11 & 12.
28 62 ° F (16 ° C) 62 ° F (16 ° C) 62 ° F (16 ° C) 62 ° F (16 ° C) 62 ° F (16 ° C) 62 ° F (16 ° C) 62 ° F (16 ° C) 5:00 PM 5:00 PM 5:00 PM 5:00 PM 5:00 PM 5:00 PM 5:00 PM 10:00 PM 10:00 .
29 82 ° F (27 ° C) 82 ° F (27 ° C) 82 ° F (27 ° C) 82 ° F (27 ° C) 82 ° F (27 ° C) 82 ° F (27 ° C) 82 ° F (27 ° C) 5:00 PM 5:00 PM 5:00 PM 5:00 PM 5:00 PM 5:00 PM 5:00 PM 10:00 PM 10:00 .
30 7 Day Personal HEA T Program Schedule 1 Morning (MOR) 2 Day (DA Y) 3 Evening (EVE) 4 Night (NHT) 5 Start T ime 6 T emperature MON TUE WED THU FRI SA T SUN 1 5 6 5 6 5 6 5 6 2 3 4.
31 7 Day Personal COOL Program Schedule MON TUE WED THU FRI SA T SUN 1 5 6 5 6 5 6 5 6 2 3 4 1 Morning (MOR) 2 Day (DA Y) 3 Evening (EVE) 4 Night (NHT) 5 Start T ime 6 T emperature Programming.
32 FEA TURES Large Lighted Liquid Large Lighted Liquid Large Lighted Liquid Large Lighted Liquid Large Lighted Liquid Crystal Display (LCD). Crystal Display (LCD). Crystal Display (LCD). Crystal Display (LCD). Crystal Display (LCD). The large numbers and letters on your LCD screen make it easy to see.
33 is 3 hours and 45 minutes. Cooling can start earlier because it takes longer for cooling systems to reach the desired temperature. T o select or deselect this feature, refer to the CONFIGURA TION section (page 24, step 1). Adjustable Adjustable Adjustable Adjustable Adjustable Temperature Display.
34 change or clean your air filter . The factory set interv al for CHNG FL TR to be displayed is 200 hours of fan operation. This can be set anywhere from 0 to 1950 hours in 25 hour increments. A selection of 00 will cancel this feature. When CHNG FL TR is displayed, you can clear it by pressing the FIL TER b utton.
35 a specific amount of time, press or until the tempera- ture you want is displayed. The display will indicate HOLD , and the number of hours remaining in the hold period will be indicated with the word HRS . T o adjust the length of time for the ov erride, press TIME FWD or TIME BACK .
36 Daylight Savings Time Button. Daylight Savings Time Button. Daylight Savings Time Button. Daylight Savings Time Button. Daylight Savings Time Button. One button adjustment allo ws you to change your thermostat clock between Standard T ime and Daylight Savings time.
37 allows only the or to operate for temporary temperature ov errides. It also limits the tempera- ture to the maximum heating and minimum cooling temperatures used in your program. This is especially useful in buildings where unsched- uled ev ents are common.
• One of the buttons is stuck do wn or in. Check buttons, mak e sure nothing is pushing them in. • The thermostat sensor is not functioning. If using a remote sensor , check connections, wiring and power . After checking the abov e, press PROGRAM RUN to reset the display .
PR OGRAMMING --------------- 26 Schedule Sample Programs -------------- 2 8 Personal Programs ------------- 30 Set Clock ---------------------------- 26 Day ------------------------------ 26 Program -.
NO TES.
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PART NO. 37-6438A 0223 The Emerson logo is a trademark and ser vice mark of Emerson Electric Co. White-Rodg ers is a division of Emerson Electric Co. Printed in U .
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