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110-1101 7/22/04 8:16 AM Page 1
DIGITAL
5
PROGRAMMABLE
62
® 8 THERMOSTAT
G E O H
GAS ELECTRIC OIL HEAT PUMP
NeW
5 - 2 Day Programmable
2 Heat / 2 Cool
User’s Manual
Quick Start
Installation and
Programming
2
110-1101
®
As an ENERGY STAR partner, Climate Controls Americas has determined
®
that this thermostat product meets the ENERGY STAR guidelines for
energy efficiency.
Application
The Robertshaw 8625 is a multi-stage thermostat designed to control
24 VAC heat pump syste
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110-1101 7/22/04 8:16 AM Page 2 IMPORTANT SAFETY INFORMATION WARNING: ! • Always turn off power at main fuse or circuit breaker panel before installing, removing, cleaning, or servicing thermostat. • Read all the information in this manual before installing this thermostat. • DO NOT CONNECT TO 120 VAC. This is a 24 VAC low-voltage thermostat. Do not install on voltages higher than 30 VAC. • All wiring must conform to local and national building and electrical codes and ordinances. • Do not sh
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110-1101 7/22/04 8:16 AM Page 3 IMPORTANT SAFETY INFORMATION WARNING: ! In heat pump applications, do not connect anything to the W1 terminal. When switched to HP mode, W1 is connected internally to Y1 on the thermostat. Connect AUX heat to the W2/E terminal. 1. Turn off power to heating and cooling system. 2. Remove cover of old thermostat to expose wires. Do not disconnect wires. (See Figure 1) 3. Label wires per the Wiring Table. 4. After labeling wires, remove wires from terminals. 5.
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110-1101 7/22/04 8:16 AM Page 4 Figure 3 Mounting Holes MON ° F C Y2 R W2/E L GOB Y1 W1 ELECTRIC/GAS SWITCH HP OPTION SWITCH Selects fan control. Heat pump switch. 6. Mark placement of mounting holes (see Figure 3). Set base aside. 7. Drill the marked holes using a 3/16” (5mm) drill bit. NOTE: Enclosed plastic anchors do not require a drilled hole for drywall. 8. Tap plastic anchors into the wall. 9. Align base with plastic anchors and feed wires through opening (see Figure 3). 10. Secure bas
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110-1101 7/22/04 8:16 AM Page 5 Wiring Diagrams The following is just a sample of the most common types of HVAC systems. Refer to your system’s installation manual for wiring information. HEAT/COOL HEAT ONLY 4-WIRE 3-WIRE SINGLE TRANSFORMER SINGLE TRANSFORMER R R T T Transformer Transformer H C H Hot Hot C E E 24 VAC 120 VAC 24 VAC 120 VAC Heating Heating W1 R R W1 Control Control M M O O Cooling Y1 Y1 Control S S T T Fan G Fan Control G A A Control O T T O B B Y2 Y2 W2/E W2/E HEAT ONLY COOL
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110-1101 7/22/04 8:16 AM Page 6 To Test Thermostat WARNING: DO NOT SHORT (JUMPER) ACROSS TERMINALS OF GAS VALVE OR SYSTEM CONTROL TO TEST OPERATION. THIS WILL DAMAGE THE THERMOSTAT AND VOID YOUR WARRANTY. CAUTION: DO NOT SWITCH SYSTEM TO COOL IF THE TEMPERATURE IS BELOW 50°F (10°C). THIS CAN DAMAGE THE AIR CONDITIONING SYSTEM AND CAUSE PERSONAL INJURY. 1. Place the EMER-HEAT-OFF-COOL switch into the COOL position. The will be displayed. 2. Press the button until the temperature emer heat
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110-1101 7/22/04 8:16 AM Page 7 Programming Guide o on emer heat off cool auto on MON ° F Cursor run/set temp vaca set prog hold hold clock select set run/set temp vaca set prog hold hold clock set select SETTING TIME OF DAY AND MON = MONDAY DAY OF WEEK TUE = TUESDAY 1. Press SELECT until the cursor is over SET CLOCK. Press SET. The WED = WEDNESDAY HOURS segment will be blinking. THU = THURSDAY Use the or button to adjust FRI = FRIDAY the time. NOTE: The AM or PM indicator will change as
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110-1101 7/22/04 8:16 AM Page 8 6. After pressing SET for the 4th event, the day of the week along the top will switch to SAT SUN and AM1 will be displayed. Repeat steps 2-4 to program the weekend settings. 7. With the weekend settings programmed, place the HEAT-OFF-COOL switch in the COOL position. Repeat steps 2-6 to program the cooling settings. CUSTOMIZING THE THERMOSTAT Settings System Cool: The thermostat controls the cooling. Off: The heating and cooling systems are off. Heat: The the
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110-1101 7/22/04 8:16 AM Page 9 nd 6. Press SET. The display will switch to the differential setting for 2 stage heating and cooling. 7. The display will read diF2. Press the or button to adjust the differential up or down. 8. Press SET. The display will switch to the differential delay. 9. The display will read dLY2. The differential delay is the length of time (in minutes) from when the 1st stage engages, until the 2nd stage engages to assist in heating or cooling. Press the or button
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110-1101 7/22/04 8:16 AM Page 10 Another way to select a temporary hold is: 1. Press SELECT until the cursor is over TEMP HOLD. Press SET. The temperature will be blinking. Use the or button to change the temperature. 2. Press SET. To cancel a temporary hold, press SELECT until the cursor is above RUN/SET PROG. Press SET. Vacation Hold You can set your thermostat to hold a desired temperature for 1-365 days. Vacation hold terminates at midnight of the last day. The thermostat returns to n
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110-1101 7/22/04 8:16 AM Page 11 Troubleshooting Symptom Remedy Thermostat does not turn Check wiring. on system. (See Installing Item 8625 Thermostat) Thermostat turns on and off too Increase temperature differential. frequently. (See Programming Guide) System fan does not operate Move the Electric/Gas switch to properly. either gas or electric, to match system. (See Installing Item 8625 Thermostat) Time shown on display is not the Change time of day setting. current time of day. (See Progr
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110-1101 7/22/04 8:16 AM Page 12 TWO-YEAR LIMITED WARRANTY Climate Controls Americas warrants to the original contractor installer or to the original consumer user, each new Robertshaw thermo- stat to be free from defects in materials and workmanship under normal use and service for a period of two (2) years from date of purchase. This warranty and our liability does not apply to batteries or merchandise that has been damaged by misuse, neglect, mishandling, alterations, improper installation
