Simplified Installation Guide
Contents
1. 408 LOW VOLTAGE ROOM THERMOSTAT CONNECTIONS A 24 VAC thermostat must be used digital recommended 1 Disconnect power to the Comfort Plus system 2 Route low voltage wires from the thermostat to the Comfort Plus System 3 Insulate thermostat wire wall opening if necessary and attach thermostat to the wall When using a mechanical thermostat or thermostat with anticipator resistor kit 1190015 must be installed to ensure proper operation 4 Connect low voltage wires from thermostat into terminal block as shown NOTE For detailed heat call information reference the Owner s and Installer s Manual Stand Alone Furnace Application with Uncontrolled Air Conditioning Y Air Conditioner C Connections If being used in the application Honeywell TH5110D S S Peak Aux x 2 Inputs sRelay gt I IMPORTANT AUXY1 Y2 G O HER C Y1 Y2 0 0 OrnP P AP SL 2 toue oo The Y1 Y2 Jumper must be installed all ie Al alle eae ein HEAR RE The W E Jumper must be installed OO ee RARRRA STEFFES Sss5sss Comfort Plus R LV Circuit Board To Heat Pump Y Compressor Low Voltage Common Low Voltage Hot Reversing Valve Outdoor Sensor ODO Peak Aux Inp2. Connect return air duct to top of plenum Connect supply air duct in structure directly to system s air outlet If necessary adjust supply air blower speed by using the chart below The W E jumper MUST be in the ON position or the blower will not operate with an E call from the thermostat e When interfacing with a heat pump the A Coil MUST HP Variable be placed on the return air side T oe Ss To maintain a room temperature of 85 F or less in the Ee i en l ome mechanical room a 24 x 24 opening can be in C J stalled in the area or a 6 x 6 non closing register Tp 160 er can be cut into the return air duct Refer to Place ment and Clearance Requirements section of External static pressure should not exceed 75 inches water column Owner s and Installer s Manual for more information lt AIR CONDITIONER HEAT T LOW VOLTAGE PEAK CONTROL PUMP INTERFACE CONNECTIONS When interfacing a heat pump with the Comfort Plus the A coil MUST be placed in the return air plenum 1 Route low voltage wire from load control device to terminal block 2 Connect field wiring to RP and P positions FAN WARN i NG Dry Contact Peak Control Switch Risk of fire Any one ducting system MUST NOT contain more than one air handling blower system The 3120 Comfort Plus heating system can accom modate most heat
3. D 58601 9413 www steffes com Part No 1200285 6 0s es Heating Systems LISTED
4. STEFFES es Heating Systems Manufactured in North America COMFORT PLUS Model 3120 with ECM Variable Speed Blower System Remove heating elements from base of system Place system in desired location Adjust leveling legs to prevent rocking Remove painted front panel of brick storage cabinet Position element wiring harnesses to avoid damage during brick loading Remove galvanized front panel Starting at bottom lift and drape insulation blankets over top of Back zero clearance system 4 WARNING Front 36 inches for servicing Remove front air channel by pulling The area in which the Right Side 8 inches from combustible out at bottom Comfort Plus is installed material Remove the electrical panel cover must remain free of debris Top 8 inches from combustible material and locate element screw kit and and room air should be Left Side 4 inches outdoor sensor maintained at less than 85 F 3 Outer Sides of Return and Supply Ducts zero clearance L WARNING Bottom zero clearance DO remove the Comfort Plus system from its shipping pallet BRICK LOADING before installing DO NOT extend leveling legs more Starting at the back of the brick than one inch core load bricks one row at a time using left side right side center DO use and follow generally pattern Place bricks with grooved accepted safety practices when side facing up notch facing for
5. pump or air conditioner indoor aS coils up to a 3 1 2 ton capacity provided the heat fos ces igi iel an j ol pump or air conditioner is sized in accordance to 7 ee i supply air delivery rates of the Comfort Plus 2 ia O The maximum coil size the factory supplied return air plenum can accomodate through the front access is 25 5 W x 22 D x 29 93 H The inner dimensions If utilizing a Steffes Time Clock Module or Power Line of the coil area are 26 W x 22 D x 30 96 H Carrier control refer to the instructions shipped with that device for installation information sf LINE VOLTAGE ELECTRICAL CONNECTIONS SLOW ERS CONTROLS CIRCUMT oe HAZARDOUS VOLTAGE Risk of electric shock Can cause injury or death Do not energize the Comfort Plus heating system until installa tion is complete 1 Route all line voltage wires through knockout s and into electrical panel To Service Breaker Panel 2 Make proper field wiring connections phasing circuits as shown Reference the Unit Identification label for circuit information let ZINT i e rann Ht 7 o sean et Z INT Ho LINN LINT To ensure proper operation and safety all line voltage circuits e r AT must be segregated from low voltage wiring Full Load Current To red
6. tors arrow shaped pieces facing inward and narrow ends of deflectors pointing up Place top of air channel in first Lower insulation blankets back into position one at a time Tuck sides into edges corners and around exposed portions of heating elements Install galvanized panel Slide the top inside the upper lip of top painted panel Bottom rests on the outside of the brick cavity Connect wiring harnesses to heating elements using screws in element screw kit Install screws with heads up and threads pointing down Tighten screws to 14 in Ibs Check non insulated element connections to make sure they do not a IMPORTANT come within 1 2 of any surface a Install painted front panel HAZARDOUS VOLTAGE Risk of electric shock Can cause injury or death DO NOT operate the Comfort Plus heating system without ducting installed to both the air inlet and outlet Assemble factory supplied return air plenum per the instructions provided with the plenum Once assembled set plenum on right side of the system with air filter and indoor coil access covers facing forward Line up predrilled holes on system with holes in flanges of plenum and attach using screws provided in plenum s hardware package NOTE The 3100 series is factory config ured for a right to left airflow Insert air filter into filter rack
7. uce electromagnetic fields associated with electrical Show n for 240VAC only Circuit deration not included circuits and to avoid induced voltage on sensors and electronic devices the circuit phases MUST be alternated as shown Model Control Cret Chrg Cret 1 Chrg Cret 2 DO NOT install any wiring in the line voltage compartment of 3120 14 0kW 6 00 29 17 29 17 the Comfort Plus heating system unless it is rated for line 3120 17 0kW 6 00 36 46 36 46 voltage 3120 21 6kW 6 00 45 00 45 00 LOW VOLTAGE OUTDOOR SENSOR CONNECTIONS The outdoor temperature sensor can be installed by wiring it directly to the system or to the Steffes power line carrier PLC If connecting to the Steffes power line carrier sys system tem follow the installation instructions in the PLC Direct Wired system s Owner s and Installer s Guide 1 Mount outdoor sensor in a location where it can accurately sense outdoor temperature 2 Route low voltage wire from outdoor sensor to electrical Outdoor sensar compartment Outdoor sensor wire MUST NOT be combined with other control wiring in a multi conductor cable AE Seal external wall openings Outdoor sensor lead can be extended to 250 ft Unshielded Class Il thermostat wire can be used isi iei gma T provided it is segregated from any line voltage wiring B u ERER Connect outdoor sensor wires to the two OUTDOOR posi tions of the low voltage terminal block ISI Outdoor
8. uts s Relay AP PAP GG Sg Ww IMPORTANT AUX Y1 Y2 G O HE R C Y1 Y2 2 The Y1 Y2 Jumper must be installed The W E Jumper must be installed 1O Outdoor S Outdoor i U L U L STEES pia Comfort Plus R E L LV Circuit Board P7 To Heat Pump Y1 Compressor Stage 1 Y2 Compressor Stage 2 C Low Voltage Common R Low Voltage Hot O Reversing Valve S S Peak Aux gt Ww a IMPORTANT wi Si Inputs e noay S zl oOo The Y1Y2 Jumper must be removed UXY Y2 G O HER C Yi 2 0 O ORP P AP Z z ARANRR The W E Jumper must be installed DD DD watts U J U 2 a a AE STEErES P9 Cc Comfort Plus a LV Circuit Board To Control Board To Control Board KE SOFTWARE CONFIGURATION AND INSTALLERS FINAL CHECKOUT To ensure proper operation the system software must be configured for the application Refer to the Configuration Menu in the Owner s and Installer s Manual or to the Configuration Guide provided by your local power company Also complete the Installer s Final Checkout Procedure found in the Owner s and Installer s Manual STEFFES 3050 Hwy 22 North Dickinson N
9. ward DOZ handling insulation material and ridges on left and right DO have equipment installed by a qualified technician in compli e i ance with all applicable local Remove loose brick oe ee a state and national codes and debris from brick Sa regulations e Brick rows MUST line Nt up front to back Reference Owner s and Installer s and side to side ma Manual for complete safety installation and operation instructions 4 HEATING ELEMENT AND AIR CHANNEL INSTALLATION HAZARDOUS VOLTAGE Risk of electric shock Can cause injury or death DO NOT remove electrical panel cover while system is ener gized Elements MUST be positioned properly to avoid short circuit ing them against any surfaces within system Use care when making connections to avoid element dam age a Element to Wiring Insert heating elements between brick layers until element ends T Hamess Connections embed into side cutouts of brick cavity The threaded screw tabs on i wire connection terminals should point forward Install air channel with air deflec
Download Pdf Manuals
Related Search