Robertshaw 8601 User Manual Page 1

1ApplicationThe Robertshaw 8601 is a single-stage thermostat designed to control24 VAC gas or electric heating and cooling systems or single-stageheat

Check Filter ResetOnce the filter timer has expired,CHECK FILTER will turn on and stayon. To clear the message and resetthe timer:1. Press SELECT and

TroubleshootingSymptom RemedyThermostat does not turn Check wiring.on system. (See Installing Item 8601Thermostat)Thermostat turns on and off too Inc

12©2004 Climate Controls Americas 110-1098Climate Controls Americas191 E. North AvenueCarol Stream, Illinois 60188United States of AmericaTWO-YEAR LIM

IMPORTANT SAFETY INFORMATION WARNING:•Always turn off power at the main power source by unscrewingfuse or switching circuit breaker to the off positio

IMPORTANT SAFETY INFORMATION WARNING:In heat pump applications, do not connect anything to the W1terminal. When switched to HP mode, W1 is connected

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: Enclosedplastic anch

Wiring DiagramsThe following is just a sample of the most common types of HVACsystems. Refer to your system’s installation manual for wiring informati

6To Test ThermostatWARNING: DO NOT SHORT (JUMPER) ACROSS TERMINALS OF GAS VALVE OR SYSTEM CONTROL TO TEST OPERATION. THIS WILLDAMAGE THE THERMOSTAT AN

Programming GuideSETTING TIME OF DAY ANDDAY OF WEEK1. Press SELECT until the cursor isover SET CLOCK. Press SET. TheHOURS segment will be blinking.U

6. After pressing SET for the 4th event, theday of the week along the top will switchto SAT SUN and AM1 will be displayed.Repeat steps 2-4 to program

Begin Programmed Operation1. Make sure the cursor is above RUN/SET PROG.2. Place AUTO–ON switch into AUTO.3. Place HEAT-OFF-COOL switch into COOL or