Robertshaw 8625 User Manual
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Robertshaw 8625 User Manual

Robertshaw 8625 User Manual

Digital programmable thermostat 5 - 2 day programmable 2 heat / 2 cool
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110-1101
7/22/04
8:16 AM
NeW
110-1101
As an E
S
®
partner, Climate Controls Americas has determined
NERGY
TAR
that this thermostat product meets the E
energy efficiency.
Application
The Robertshaw 8625 is a multi-stage thermostat designed to control
24 VAC heat pump systems.
Features
• Large back lit display.
• Four preprogrammed E
• Adjustable 1
st
stage temperature differential: 1.0°F to 3.0°F (0.5°C to
1.5°C).
• Adjustable 2
nd
stage temperature differential: 1.0°F to 6.0°F (0.5°C to
3.0°C).
• Adjustable 2
nd
stage delay (10-40 minutes).
• Energy Efficient Recovery (EER™).
• Residual cooling for added air conditioning efficiency.
• Zone compatible as master thermostat.
• Fahrenheit/Celsius display option.
• Programmable from 45°F (4°C) to 90°F (32°C).
• Accuracy within ± 1 degree.
• Separate heating and cooling programs.
Page 1
8 62
5
®
G
E
GAS
ELECTRIC
5 - 2 Day Programmable
2 Heat / 2 Cool
User's Manual

Quick Start

Installation and
Programming
S
®
guidelines for
NERGY
TAR
S
®
setpoints for each day of the week.
NERGY
TAR
1
DIGITAL
PROGRAMMABLE
THERMOSTAT
O
H
OIL
HEAT PUMP
2

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Summary of Contents for Robertshaw 8625

  • Page 1: Quick Start

    Climate Controls Americas has determined NERGY that this thermostat product meets the E energy efficiency. Application The Robertshaw 8625 is a multi-stage thermostat designed to control 24 VAC heat pump systems. Features • Large back lit display. • Four preprogrammed E NERGY •...
  • Page 2 • 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.

  • Page 3: Installing

    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.
  • Page 4 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. °...

  • Page 5: Wiring Diagrams

    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 4-WIRE SINGLE TRANSFORMER Transformer 120 VAC 24 VAC Heating Control Cooling...

  • Page 6: To Test Thermostat

    The air conditioning system should turn on within a few seconds. NOTE: ONCE THE THERMOSTAT TURNS OFF WHEN IN THE COOL 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.

  • Page 7: Setting Time And Day

    Press SET. PROGRAMMING YOUR THERMOSTAT The 8625 thermostat features 1-button programming. Simply follow these steps to customize your thermostat for your lifestyle. 1. Place the HEAT-OFF-COOL switch into the HEAT position. Make sure the cursor is in the RUN/SET PROG position.

  • Page 8: Customizing

    The heating and cooling systems are off. Heat: The thermostat controls the heat. Emer: The thermostat controls the second stage emergency heat. Use only when the primary stage of heat is not functioning or requires service. The display will show CHECK HP when the heat pump requires service.
  • Page 9 10. Press SET. The display will switch to the Energy Efficient Recovery (EER™) setting. 11. The display will read EER. When turned on, the thermostat will look ahead to determine when to turn on the heating/cooling system in order to reach the desired temperature at the desired time.

  • Page 10: Check Filter Reset

    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 normal operation the next day at 12:01 AM.

  • Page 11: Troubleshooting

    Climate Controls Americas Warranty Department 515 South Promenade Avenue Corona, CA 91719 Remedy Check wiring. (See Installing Item 8625 Thermostat) Increase temperature differential. (See Programming Guide) Move the Electric/Gas switch to either gas or electric, to match system. (See Installing Item 8625 Thermostat) Change time of day setting.

  • Page 12: Two-Year Limited Warranty

    Climate 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 ther- mostat removal or reinstallation is not the responsibility of Climate Controls Americas.

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