Honeywell TH5220D Installation Manual

Installation Digital Thermostat Application thermostat provides electronic control of 24 VAC single stage and multi stage and cooling systems or 750 mV heating systems Types to 2 heat 2 cool Gas oil or electric heat with air Warm air hot water high efficiency heat pumps steam gravity Heat only two wire systems to open and close zone Series 20 and normally zone valves Heat only with fan Cool only 750 mV heating systems Options Battery power only Common wire only Common wire with battery backup Options manual or modes Settings Heat Off Cool Auto Em Heat Settings Auto On be installed by a trained experienced technician Read these instructions carefully Failure to follow these instructions can the product or cause a hazardous condition Check the ratings in this booklet to verify that this product is suitable for your see page 17 Always test for proper operation after installation see page 13 ELECTRICAL HAZARD cause electrical shock or equipment damage Disconnect power before installation NOTICE this product is replacing a control that contains mercury in a sealed tube do not the old control in the trash Contact your local waste management authority for regarding recycling and proper disposal U S Registered Trademark Patents pending 2005 Honeywell International Inc All rights reserved of contents checklist 2 installation 3 diagrams 5 options 10 mounting 10 aanndd tteessttiinngg setup 11 system test 13 of features 14 reference to controls 15 reference to display 15 replacement 15 case of difficulty 16 parts 17 17 tips the thermostat about 5 feet 1.5m above the floor in an area good air circulation at average temperature not install in locations where the thermostat can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Sunlight or radiant heat from appliances Concealed pipes or chimneys Unheated uncooled areas such as an outside wall behind the thermostat Guide checklist contents to make sure your package includes the following items TH5220D thermostat attached to back manual anchors and screws each alkaline 2 tools supplies No 2 Phillips screwdriver pocket screwdriver Drill Drill bit 3 16 for drywall 7 32 for plaster Hammer Pencil Electrical tape optional TH5220D Non programmable Digital Thermostat installation finger into wire hole and pull to wallplate from thermostat the wallplate from the ther as shown at left then follow below for mounting Pull wires through wire hole Position wallplate on wall level and hole positions with pencil Drill holes at marked positions as below then tap in supplied anchors Place wallplate over anchors insert tighten mounting screws 3 16 holes for drywall 7 32 holes for plaster hole screws anchors Guide wires in this area ELECTRICAL HAZARD Can cause electrical shock or equipment damage power before wiring Loosen screw terminals insert into terminal block then screws Push excess wire back into the opening Keep wires in shaded as shown at left Plug the wall opening with non insulation to prevent from affecting thermostat Designations Terminal Letters 2nd stage compressor contactor 2nd stage heat relay Fan relay 1st stage heat relay Common wire from secondary side of system transformer stage compressor contactor power Connect to secondary of heating system transformer Cooling power Connect to secondary of cooling system transformer Pump Terminal Letters pump reset L terminal powered when System is set to Em heat relay Auxiliary heat relay Fan relay Changeover valve for heat pumps Common wire from secondary side of system transformer contactor power Connect to secondary of heating system transformer Cooling power Connect to secondary of cooling system transformer Pump Rc terminals single transformer system leave metal in place between R Rc Remove jumper if two transformer system terminal C common wire terminal is optional thermostat is powered by batteries O B terminal thermostat is configured for a heat pump the Installer Setup configure changeover for cool factory setting or heat terminal Output pump reset L terminal powered contin when thermostat is set to Em Heat thermostat for 2 heat 1 cool heat in the Installer Setup specifications 18 to 22 gauge thermostat wire cable is not required TH5220D Non programmable Digital Thermostat diagrams supply Provide disconnect means and overload protection as required jumper Remove for 2 transformer systems only 24VAC common connection Installer Setup set system type to Heat Only Installer Setup set system type to 1Heat 1Cool Heat Pump changeover valve to 0 or B Installer Setup set system type to 2Heat 1Cool Heat Pump terminal is powered continuously when thermostat is set to Em Heat field jumper between Aux and E if there is no emergency heat relay Installer Setup set system type to 2Heat 2Cool conventional 1H 1C system 1 transformer 1H 1C system 2 transformers Guide diagrams supply Provide disconnect means and overload protection as required jumper Remove for 2 transformer systems only 24VAC common connection Installer Setup set system type to Heat Only Installer Setup set system type to 1Heat 1Cool Heat Pump changeover valve to 0 or B Installer Setup set system type to 2Heat 1Cool Heat Pump terminal is powered continuously when thermostat is set to Em Heat field jumper between Aux and E if there is no emergency heat relay Installer Setup set system type to 2Heat 2Cool conventional 1H 1C heat pump system heat only system TH5220D Non programmable Digital Thermostat diagrams supply Provide disconnect means and overload protection as required jumper Remove for 2 transformer systems only 24VAC common connection Installer Setup set system type to Heat Only Installer Setup set system type to 1Heat 1Cool Heat Pump changeover valve to 0 or B Installer Setup set system type to 2Heat 1Cool Heat Pump terminal is powered continuously when thermostat is set to Em Heat field jumper between Aux and E if there is no emergency heat relay Installer Setup set system type to 2Heat 2Cool conventional heat only system with fan system Series 20 Guide diagrams supply Provide disconnect means and overload protection as required jumper Remove for 2 transformer systems only 24VAC common connection Installer Setup set system type to Heat Only Installer Setup set system type to 1Heat 1Cool Heat Pump changeover valve to 0 or B Installer Setup set system type to 2Heat 1Cool Heat Pump terminal is powered continuously when thermostat is set to Em Heat field jumper between Aux and E if there is no emergency heat relay Installer Setup set system type to 2Heat 2Cool conventional cool only system system normally open zone valve TH5220D Non programmable Digital Thermost