ACONT600AF11MA Programmable Comfort Control Installation Instructions Pub. No.
Product Application This Comfort Control provides electronic control of 24 VAC single-stage heating and cooling systems.
Table of contents Installation Pre-installation checklist..................2 Wallplate installation.......................3 Wiring..............................................4 Wiring diagrams...............................5 Power options.................................6 Comfort Control mounting..............6 Appendices Quick reference to controls..........10 Quick reference to display............10 Battery replacement......................10 In case of difficulty........................
Pre-installation checklist Package contents Check to make sure your package includes the following items: Programmable Comfort Control (wallplate attached to back) Wall anchors and mounting screws (2 each) Quick reference card Owner’s Guide AA alkaline batteries (2) Required tools & supplies • No.
Wallplate installation Remove battery holder. Remove the wallplate from the Comfort Control as shown at left, then follow directions below for mounting. Pull here to remove wallplate from new Comfort Control. 1 Insert quick reference card in slot in back of Comfort Control. 2 Pull wires through wire hole. 3 Position wallplate on wall, level and mark hole positions with pencil. 4 Drill holes at marked positions as shown below, then tap in supplied wall anchors.
Wiring CAUTION: ELECTRICAL HAZARD. Can cause electrical shock or equipment damage. Disconnect power before wiring. Wiring Keep wires in this shaded area 1 Loosen screw terminals, insert wires into terminal block, then re-tighten screws. 2 Push excess wire back into the wall opening. Keep wires in shaded area as shown at left. Terminal block 3 Plug the wall opening with nonflammable insulation to prevent drafts from affecting Comfort Control operation. Terminal Designations G Fan relay.
Wiring diagrams Factory-installed jumper. Remove for 2-transformer systems only. • Provide Power Supply disconnect means and overload protection as required. 2 In Installer Setup, set system type to Heat Pump.
Power options & mounting AC Power The Comfort Control must be powered by 24 VAC power. Connect common side of transformer to “B” terminal Jumper To wire the Comfort Control for AC power, connect the common side of the cooling transformer to the “B” terminal as shown at left. Important: Remove R/Rc jumper for 2-transformer systems only. (See wiring diagram on page 5.) Battery Backup Power The Comfort Control can be powered by backup batteries when used with AC power.
Installer setup Follow the procedure below to configure the Comfort Control to match the installed heating/cooling system, and customize feature operation as desired.
Installer system test Follow the procedure below to test the heating, cooling and fan. System test number Done To begin, press and hold the and buttons until the display changes System Test Press Press Press Press System status Next to turn on system to turn off system next to advance to next test done to terminate system test System Status 10 Heating system 0 Heat and fan turn off. 1 Heat turns on. Fan also turns on immediately if Function 1 or 3 is set to “1” (see page 7).
Auto Changeover (Setup Function 12) Auto Changeover is a feature used in climates where both air conditioning and heating are used on the same day. When the system is set to Auto, the Comfort Control automatically selects heating or cooling depending on the indoor temperature. Heat and cool settings must be at least 3 degrees apart. The Comfort Control will automatically adjust settings to maintain this 3-degree separation (called “deadband”).
Quick reference to controls Digital display screen Battery holder Temperature buttons Press to adjust temperature settings Hold button Press to override programmed temperature control Function buttons Press to select the function displayed just above each button. (Functions change depending on the task.
In case of difficulty If you have difficulty with your Comfort Control, please try the suggestions below. Most problems can be corrected quickly and easily. Display is blank Temperature settings do not change • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is closed securely. Make sure heating and cooling temperatures are set to acceptable ranges: • Heat: 40° to 90°F (4.5° to 32°C). • Cool: 60° to 99°F (15.
In case of difficulty Heating equipment is running in cool mode • Check Installer Setup, Function 1 (System Type), to make sure it is set to match the installed heating/cooling equipment (see page 7). Cannot change system setting to “Heat” • Check Installer Setup, Function 1 (System Type), to make sure it is set to match the installed heating equipment (see page 7). • Change Installer Setup, Function 12 (System Setting) to Manual or Auto Changeover (see page 7).
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