Robertshaw 8601-1 User Manual

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Application

The Robertshaw 8601 is a single-stage thermostat designed to control 24 VAC gas or electric heating and cooling systems or single-stage heat pump. The 8601 requires a common wire.

Features

• Large backlit display.

• Four preprogrammed E

NERGY STAR

setpoints for each day of

the week.

• Fahrenheit/Celsius display option.

• Programmable from 45°F (4°C) to 90°F (32°C).

• Accuracy within ± 1 degree.

• Adjustable temperature differential: 1-3 °F (1-1.5°C).

• Separate heating and cooling programs.

110-1098B

5 - 2 Day Programmable 1 Heat / 1 Cool

User’s Manual

Quick Start Installation and Programming

DIGITAL PROGRAMMABLE THERMOSTAT

601

ELECTRIC

GAS

OIL

NeW

HEAT PUMP

As an ENERGY STAR®partner, Invensys Controls Americas has determined that this thermostat meets the ENERGY STAR®guidelines for energy efficiency.

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WARNING:

•

Always turn off power at the main power source by unscrewing fuse or switching circuit breaker to the off position before installing, removing, cleaning, or servicing thermostat.

•

Read all of the information in this manual before installing or programming this thermostat.

•

DO NOT CONNECT TO 120 VAC. This is a 24V AC low voltage thermostat. Do not install on voltages higher than 30V AC.

•

All wiring must conform to local and national building and electrical codes and ordinances.

•

Do not short (jumper) across terminals on the gas valve or at the system control to test installation. This will damage the thermostat and void the warranty.

•

Do not connect ground to any terminal in this unit.

Recycling Thermostat

If this thermostat REPLACES a thermostat that contains mercury, DO NOT discard the old thermostat in the regular trash. Mercury is harmful to humans and the environment. For this reason, do not open, break, or crush the mercury cell. If mercury leaks from a damaged cell, DO NOT touch or handle mercury with bare hands. Use protective, non-absorbent gloves to place mercury into a sealable container. Fill the container with sand or another absorbent material and seal the container completely.

Return the mercury or mercury products, in a sealed container, to Invensys Controls Americas or a local recycling center for proper disposal. If you have any questions, call Robertshaw technical support at 1-800-445-8299.

Invensys Controls Americas 28C Leigh Fisher Blvd. El Paso, TX 79906 Attn: Mercury Recycling Center

Replacing Existing Thermostat

Wiring Table

Old Label New Label Description

M, W, Rh, Rc R 24VAC, hot side R5, V or 5

C, X or B C 24VAC, common side

Y or Y6 Y1 Cooling control

H, W or 4 W1 Heating control

F or G G Fan control relay

O O Cool active reversing valve

B B Heat active reversing valve

NOTE: THIS THERMOSTAT REQUIRES A 24 VAC COMMON WIRE FOR PROPER OPERATION.

NOTE: ON SOME OLDER MODELS, THE C TERMINAL CAN BE EITHER THE COOLING CONTROL OR

THE COMMON SIDE OF THE TRANSFORMER. CHECK FURNACE WIRING DIAGRAM TO VERIFY C TERMINAL. IF IT IS THE COMMON SIDE OF THE TRANSFORMER, CONNECT TO THE C TERMINAL.

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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.

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. Remove existing thermostat base from wall.

6. Refer to the following section for instructions on how to install thermostat.

Figure 1

Installing Item 8601 Thermostat

NOTE: FOR NEW INSTALLATIONS, MOUNT THERMOSTAT ON AN INSIDE WALL, 4-5 FEET

ABOVE THE FLOOR

. DO NOT INSTALL BEHIND A DOOR, IN A CORNER, NEAR AIR VENTS,

IN DIRECT SUNLIGHT, OR NEAR ANY HEAT OR STEAM GENERATING FIXTURES. INSTALLATION AT THESE PLACES WILL AFFECT THERMOSTAT OPERATION

1. Turn power off to the heating and cooling systems.

2. Place HEAT-OFF-A/C in OFF position.

3. Place AUTO ON switch into AUTO position.

4. Remove the cover using a coin or screwdriver (see Figure 2).

5. Place thermostat against the wall at desired location. Make sure wires will feed through opening on base of thermostat.

t o

ff c

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Figure 2

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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 base to wall with supplied screws.

11. Connect wires to terminal strip. Refer to wiring diagrams on page 5. Make sure wire connections are secure.

12. Place Electric/Gas switch into either the ELEC or GAS position depending on the type of furnace (see Figure 3).

13. Place the HP option switch into either the NON_HP or HP position depending on the type of system you are using (see Figure 3). Use the HP position for heat pumps ONLY. Use the NON_HP setting for everything else.

14. Replace cover on thermostat by snapping into place.

15. Turn on power to system. Test thermostat as described in the section To Test Thermostat.

Mounting Holes

ELECTRIC/GAS SWITCH Selects fan control.

HP OPTION SWITCH Heat pump switch.

Figure 3

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GOB Y1W1

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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.

Hot

Heating Control

Cooling Control

Transformer

T H E

R M O S

T A

24 VAC

120 VAC

HEAT/COOL

4-WIRE

SINGLE TRANSFORMER

Fan

Control

Hot

Heating Control

Transformer

24 VAC

120 VAC

HEAT ONLY

2-WIRE

SINGLE TRANSFORMER

T H E R M O S

T A

Hot

Compressor

Contactor

Transformer

24 VAC

120 VAC

HEAT PUMP WITH

COOL ACTIVE

REVERSING VALVE

T H E

R M O S

T A

NOTE: Make sure the HP switch is in the HP position. When switched to HP mode W1 is connected internally to Y1.

Reversing

Valve

Fan

Relay

Hot

Transformer

24 VAC

120 VAC

HEAT PUMP WITH

HEAT ACTIVE

REVERSING VALVE

T H E

R M O S

T A

NOTE: Make sure the HP switch is in the HP position. When switched to HP mode, W1 is connected internally to Y1.

Compressor

Contactor

Reversing

Valv e

Fan

Relay

Hot

Cooling Control

Fan

Control

Transformer

24 VAC

120 VAC

COOL ONLY

3-WIRE

SINGLE TRANSFORMER

T H E

R M O S

T A

Hot

Heating Control

Fan

Control

Transformer

24 VAC

120 VAC

HEAT ONLY

SINGLE TRANSFORMER

3-WIRE

T H E R M O S

T A

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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 A/C OR LEAVE IN A/C MODE IF

THE TEMPERATURE IS BELOW 50°F (10°C). THIS CAN DAMAGE THE AIR CONDITIONING SYSTEM AND CAUSE PERSONAL INJURY.

1. Place the HEAT-OFF-A/C switch into the A/C position. The will be displayed.

2. Press the button until the temperature setting is at least 3 degrees below the room temperature. The air conditioning system should turn on within a few seconds.

NOTE: ONCE THE THERMOSTAT TURNS OFF WHEN IN THE A/C MODE,

A BUILT IN 5-MINUTE DELAY PREVENTS THE SYSTEM FROM TURNING ON AGAIN. THIS PROTECTS THE COMPRESSOR. NO ADDITIONAL TIME DELAY RELAY IS REQUIRED. TO OVERRIDE THE 5-MINUTE DELAY FOR INSTALLATION, PRESS THE RESET BUTTON.

3. Put the HEAT-OFF-A/C switch into the OFF position. The air conditioning system should turn off.

4. Put the HEAT-OFF-A/C switch into the HEAT position. The will be displayed.

5. Press the button until the temperature setting is at least 3 degrees above room temperature. The heating system should turn on. The fan may not turn on immediately, depending on the fan delay built into the furnace.

NOTE: If HP is selected, the heat will not come on until the 5 minute

short cycle protection has expired.

6. Put the HEAT-OFF-A/C switch into the OFF position. The heating system should turn off. The fan may continue to run for a short period of time.

7. Put the AUTO ON switch into the ON position. The blower fan should turn on. The display will show a .

8. Put the AUTO ON switch into the AUTO position. The blower fan should turn off.

a/coffheat

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Programming Guide

SETTING TIME OF DAY AND DAY OF WEEK

1. Press SELECT until the cursor is over . Press SET. The HOURS segment will be blinking. Use the

or button to adjust the HOURS setting. NOTE: The AM or PM indicator will change as the HOURS display rolls through a 24 hour cycle.

2. Press SET. The MINUTES segment will be blinking. Use the or button to adjust the MINUTES setting.

3. Press SET. The DAY segment will be blinking at the top of the display. Use the or button to adjust the day of the week. Press SET.

PROGRAMMING YOUR THERMOSTAT

The 8601 thermostat features 1-button programming. Simply follow these steps to customize your thermostat for your lifestyle.

1. Place the HEAT-OFF-A/C switch into the HEAT position. Make sure the cursor is in the PROG position. Press SET. The HOURS segment will be blinking. MON thru FRI (the work week) will be displayed across the top. AM1 will be illuminated in the lower right hand corner. You can now start programming the first event of the work week.

2. Use the or button to adjust the hour of the first event. Press SET.

3. The MINUTES segment will be blinking. Use the or button to adjust the minutes. Press SET.

4. The temperature should be blinking. Use the or button to adjust the desired temperature of the first event. Press SET.

5. AM2 should now be displayed. Repeat steps 2-4 to program the remaining events (PM1 and PM2) for the work week. There are a total of 4 events.

MON = MONDAY TUE = TUESDAY WED = WEDNESDAY THU = THURSDAY FRI = FRIDAY SAT = SATURDAY SUN = SUNDAY

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Cursor

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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-A/C switch in the A/C position. Repeat steps 2-6 to program the cooling settings.

CUSTOMIZING YOUR THERMOSTAT

Settings

System

A/C: The thermostat controls the cooling. Off: The heating and cooling systems are off. Heat: The thermostat controls the heat.

Fan

Auto: Equipment controls the fan. On: The fan operates continuously.

Temperature Differential

The temperature differential is factory set at 1.0°F (.5°C). This means that whenever the room temperature changes by one degree Fahrenheit from the temperature setting, the system will turn on. If the system turns on too often, increase the temperature differential.

Changing Fahrenheit (°F) to Celsius (°C), Clock Setting, Temperature Differential, and Filter Monitor

You can change temperature scales (F or C), set a 12 or 24 hour clock, adjust differentials and change the filter monitor setting by following these instructions.

1. Press SELECT and SET at the same time. Hold for 3 seconds. An F should be blinking in the display. Use the or button to toggle between Farhenheit (F) or Celsius (C).

2. Press SET. CLOC will be displayed in the lower left corner. Use the or button to toggle between 12 or 24 for the clock setting.

3. Press SET. diFF will be displayed in the lower left corner. Use the or button to adjust the 1st stage differential between 1°F and 3°F (1°C and 1.5°C).

4. Press SET. CHECK FILTER will be displayed and the length of the filter setting will be blinking in the lower left corner. Use the or button to adjust the filter setting from 0 (OFF) to 9900 hours. NOTE: The filter timer is based on equipment run time. Select the length of time based on your filter's recommended service interval.

5. Press SET or wait 5 seconds and the thermostat will return to the normal operating mode.

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Begin Programmed Operation

1. Make sure the cursor is above PROG.

2. Place AUTO ON switch into AUTO.

3. Place HEAT-OFF-A/C switch into A/C or HEAT depending on the season.

Temporary Program Hold

You can temporarily increase or decrease the temperature and hold it for 3 hours or until the next program event, whichever comes first.

1. Press the or button. The temperature will blink. Using the

or button, adjust the temperature to the desired level.

2. Press SET.

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 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 normal operation the next day at 12:01 AM.

1. Press SELECT until the cursor is over VAC HOLD. Press SET. The temperature will be blinking. Use the or button to change the temperature.

2. Press SET. 365d will be displayed. Use the or button to adjust between 1 and 365 days.

3. Press SET.

To cancel a vacation hold, press SELECT until the cursor is above PROG. Press SET.

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Check Filter Reset

Once the filter timer has expired, CHECK FILTER will turn on and stay on. To clear the message and reset the timer:

1. Press SELECT and SET and hold for 3 seconds. CLr will appear in the time display.

2. Press any key to clear the message. The display will transition to the temperature scale display. See step 4 in CUSTOMIZING YOUR THERMOSTAT.

3. No further input is needed. Within a few seconds, the display will return to the normal operating mode.

Backlit Display

This thermostat is equipped with a backlight to make night time temperature adjustments quick and easy. Press the button to activate the backlight. The backlight will turn off after about 10 seconds of inactivity.

Reset

The RESET button is located above the upper left corner of the display. Only use the reset feature if the thermostat is malfunctioning.

RESET BUTTON

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Troubleshooting

Symptom Remedy

Thermostat does not turn Check wiring. on system. (See Installing Item 8601

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 8601 Thermostat)

Time shown on display is not the Change time of day setting. current time of day. (See Programming Guide)

Thermostat does not Thermostat may not have been follow program. programmed in HEAT or A/C

position. Verify program.

Check AM/PM indicators at time of day and programmed time changes. (See Programming Guide)

Verify program and day of week are correct. (See Programming Guide)

If problems with thermostat cannot be resolved, call:

Technical Support: (800) 445-8299

Monday-Friday 7:30-5:30 CST

For after hours service, a 24-hour

automated help line is available.

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Controls Americas

191 E. North Avenue Carol Stream, Illinois 60188 United States of America

TWO-YEAR LIMITED WARRANTY

Invensys Controls Americas warrants to the original contractor

installer or to the original consumer user, each new Robertshaw thermostat 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, or use in a way other than in accordance with Invensys

Controls Americas recommendations and instructions.

Invensys Controls Americas agrees to repair or replace at its option any

thermostat under warranty provided it is returned within the warranty period, postage prepaid, with proof of the date of purchase. Cost of thermostat removal or reinstallation is not the responsibility of Invensys Controls Americas.

Repair or replacement as provided under this warranty is the exclusive remedy of the consumer. Invensys Controls Americas shall not be liable for any incidental or consequential damages for breach of any express or implied warranty on this product, or under any other theory of liability. Except to the extent prohibited by applicable law, any implied warranty of merchantability or fitness for a particular purpose on this product is limited to the duration of this warranty.

Some states do not allow the exclusion or limitation of incidental or consequential damages, or allow limitations on how long an implied warranty lasts, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

For warranty returns, send thermostat, shipping prepaid to:

Invensys Controls Americas

Warranty Department

515 South Promenade Avenue

Corona, CA 92879-1736

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