Robertshaw 9620 User Manual
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Robertshaw 9620 User Manual

Heat pump 7 day programmable 2 heat / 2 cool digital thermostat
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I N T E G R A T E D C O M F O R T S O L U T I O N S
110-732E
As an E
NERGY
determined that this thermostat product meets
the E
S
NERGY
TAR
!

Important Safety Information

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.
•
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.
®
S
®
partner, Maple Chase has
TAR
®
guidelines for energy efficiency.
9620
H
™
HEAT PUMP
7 Day Programmable
2 Heat / 2 Cool
User's Manual

Quick Start

Installation and
Programming
1
DIGITAL
PROGRAMMABLE
THERMOSTAT
©2001 Maple Chase Company

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Summary of Contents for Robertshaw 9620

  • Page 1: Quick Start

    9620 DIGITAL PROGRAMMABLE THERMOSTAT ® ™ I N T E G R A T E D C O M F O R T S O L U T I O N S HEAT PUMP 7 Day Programmable 2 Heat / 2 Cool User’s Manual...

  • Page 2: Features

    Table 1 if existing wiring does not directly match the labels. • If you have any questions about cross referencing the old terminal to the new label, reference your equipment installation manual, a licensed contractor, or call Robertshaw Tech Support (800) 445-8299. 4. Remove existing thermostat base from wall.

  • Page 3: Installations

    Contact your local waste management authority for instructions regarding proper dis- posal of the thermostat. If you have any questions, call Robertshaw tech- nical support at 1-800-445-8299. Step 2: Installing Model 9620 Thermostat...

  • Page 4: Mounting Holes

    3. Place AUTO-ON switch into AUTO position. 4. Remove the cover using a coin or screwdriver (Figure 2). FIGURE 2 5. Place thermostat against the wall at desired location. Make sure wires will feed through opening on base of thermostat. 6.

  • Page 5: Wiring Diagrams

    (Figure 4) matching the label to the corresponding terminal (see Wiring Diagrams below). Tighten screws. FIGURE 4 9620 WIRING SAMPLE #1 Typical heat pump with cool active reversing valve and auxiliary/emergency heat. 9620 WIRING SAMPLE #2 Typical heat pump with heat active reversing valve and auxiliary/emergency heat.

  • Page 6: Terminal Function

    TERMINAL LEGEND - 9620 TERM EQUIPMENT TO CONNECT REQ? TERMINAL FUNCTION 24VAC common connection For input of 24VAC common side of transformer System fault indicator connection For connection of system fault indicator (if present) 24VAC hot connection For input of 24VAC hot side...

  • Page 7: Step 3: Testing The Thermostat

    Step 3: Testing the 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: D 50°F (10°C). T O NOT SWITCH SYSTEM TO COOL IF THE TEMPERATURE IS BELOW HIS CAN DAMAGE THE AIR CONDITIONING SYSTEM AND CAUSE PERSONAL INJURY COOL-OFF-HEAT-EM...

  • Page 8: Customizing

    Step 4: Customizing Your Thermostat Set Time of Day, Day of Week, Temperature Differential, Residual Cooling 1. Press SET and PROG/MAN. SET PROG/MAN Release simultaneously. PROG AUX CHECK EMER SET PROG/MAN COOL-OFF-HEAT-EM AUTO - ON Press to change time of day. 2.

  • Page 9: Setting Program

    Step 5: Setting the Program This Robertshaw thermostat is preprogrammed with the following ® settings for the greatest energy savings.

  • Page 10: Quickset Programming Mode

    QuickSet™ Programming Mode QuickSet™ will program all 7 days of the week with the same program. PROG COOL-OFF-HEAT-EM AUX CHECK EMER SET PROG/MAN COOL-OFF-HEAT-EM AUTO - ON 1. Place COOL-OFF-HEAT-EM SET P in COOL or HEAT position. 2. Press and hold SET. Press the button.

  • Page 11: Temporary Program Override

    Begin Programmed Operation 1. Place AUTO-ON AUTO - ON into AUTO. PROG AUX CHECK EMER COOL-OFF-HEAT-EM SET PROG/MAN COOL-OFF-HEAT-EM AUTO - ON SUMMER 2. Place COOL-OFF-HEAT-EM into COOL or HEAT, COOL-OFF-HEAT-EM depending on the season. 3. Press PROG/MAN button WINTER until indicator is in PROG position.

  • Page 12: Manual Operation

    Manual Operation 1. Press PROG/MAN until indicator is in MAN position. PROG AUX CHECK EMER T PROG/MAN PROG SET PROG/MAN COOL-OFF-HEAT-EM AUTO - ON 2. Press to adjust temperature settings. Reset To reset the thermostat to factory preprogrammed conditions, press the RESET button located beneath the lower left corner of the display.

  • Page 13: Led Indicators

    Troubleshooting SYMPTOM REMEDY Thermostat does not turn Check wiring. on system. (See Installing Model 9620 Thermostat) Check fuse. Replace with 3 amp fuse if fuse has opened. Five minute compressor short cycle protection maybe in effect. Press RESET to override. NOTE: This will erase programming.

  • Page 14: Five-Year Limited Warranty

    Five-Year Limited Warranty Maple Chase Company 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 five (5) years from date of purchase. This warranty does not...

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