Alpha Install Manual_09_18_07.indd
Contents
1. sjnoyoouy mo m asnu 8 12 Fig 6 Temperature Sensor and Low voltage lead routing A C Coil installed Downstream of Furnace Drill 3 8 dia hole in warm air duct a minimum of 15 upstream of plenum Install RAR sensor return air remote Snap round bushing into hole and insert sensor lead approximately 2 and secure to duct using nylon strap included Discharge sensor lead and low voltage lead wires shall be isolated from out of furnace casing through high voltage leads and routed through knockout provided in either side knockouts provided of casing and secured to plenum using nylon clips provided Drill 3 8 dia hole in warm air duct a minimum of 15 upstream of plenum Install RAR sensor return air remote Snap round bushing into hole and insert sensor lead approximately 2 and secure to duct using nylon strap included Discharge sensor lead shall be routed bw 4 gt Air Filter SC gt Y A C Coil drain must be trapped e Dx Discharge sensor lead and low voltage lead wires shall be isolated from high voltage leads and routed through knockouts provided 13 ELECTRIC FURNACE PRESTART CHECKLIST 1 REMOVE PACKING MATERIALS FROM LEFT SIDE OF BLOWER 2 CONFIRM DIP SWITCH SETTINGS AS FOLLOWS 3 DISCHARGE AIR SENSOR INSTALLED AFTER A C COIL 4 LOW HEAT HIGH SELECT SWITCH SET TO HIGH HEAT UNL2. i771 M ets II I I ll 11 pg LI LA L 1 n6 mE Hl enen s pe ki pg print GITIMISNI CH bg a ae NOLLdO 1 ABY VSXVN eu L TTISE Se Se SS SS HOLIMS 4 02 SAMW SAMY ZMIMY 9 6600 AQ Wuviv WAZ 3504 le 66 66600000 ee Gah 035 1715 39115 c dl Det uadlNn ZW EM 3A0IN3H VG XVIN JOWASLL iu uly 134 a 134 4 L 3409 E NW3 HIV 2510 HIV 2810 1 III H W 793 7 3 H1 Z3 47 Ha 2520355 2950229 SEED 58 255 m 58 5 5 SUOSNIS seq o qrisnquioo S euojeui pue sung pue 104415 299135 JUHTIUJNS JO 0 se os I0joemuoo SUIIJEISUT Aq pozrs pue o qejins JO pojonujsuoo snu umuo d Ajddns jno Yoouy Fig 5 63801 40 193uno pue 39134 K1ossoooe pue sq 001 JO ZRA 31oddns o 8 JO oq pue SUIJ BISUI 215 oq serou uorsuedsns Dia ABUL 8 X X uonev e su EJUOZLIOH uopere su yorq ur poq ejsur oq jou preys sSuruodo unos uonne 81 X 81 9715
3. To select alternate relays does not change the element LED display The power supply wire and the element wire must be moved to the replacement relay position Refer to Fig 1 and Fig 2 COOLING DISCHARGE AIR SENSOR A C COIL INSTALLED DOWNSTREAM The following must be observed when the A C coil is mounted downstream of the furnace and the modulation mode of cooling is desired Note all furnaces are factory supplied with the modulation mode selected If air conditioning is not installed simply leave sensor safely coiled up in control compartment The cooling discharge air sensor must be installed approximately 15 downstream of the A C coil Drill a 3 8 diameter hole in the supply duct install plastic Heyco bushing provided insert sensor at least 2 into supply duct and secure sensor in place using plastic clip provided Refer to fig 6 A C COIL INSTALLED UPSTREAM OF FURNACE OPTIONAL RETURN AIR SENSOR Recommended for Heat Pump applications The following must be observed when the A C coil is installed upstream of the furnace Locate air filter upstream of A C coil The return air temperature must be monitored to permit the controller to function To do this the return air sensor must be installed in the return air duct upstream of the A C coil Disconnect the Disc Air Rem sensor connector from the controller and connect on to Ret Air Rem receptacle on controller and route to outside of cabinet through sleeve
4. ESS OTHERWISE SELECTED 5 INITIATE CALL FOR HEAT ELEMENT LEDS ILLUMINATE AS ELEMENTS TURN ON FAN MOTOR SPEED INCREASES AS ELEMENTS TURN ON RECORD FULL AMP DRAW AT FULL POWER 1 6 CANCEL CALL FOR HEAT ELEMENT LEDS TURN OFF APPROXIMATELY 1 MINUTE LATER FAN TURNS OFF PROVIDED THAT CONTINUOUS FAN HAS NOT BEEN SELECTED LJ 7 INTERRUPT POWER TO OUTDOOR CONDENSOR INITIATE CALL FOR COOLING ONCE FURNACE FAN IS RUNNING CONFIRM 24 VOLT OUTPUT AT Y AND C AT COMP RELAY RECONNECT POWER TO CONDENSOR IF TEST SUCCESSFUL NOTE MAIN CONTROL DELAY INTERVAL BETWEEN COOLING CYCLES MAY DELAY COOLING RESTART UP TO 5 MINUTES LJ 8 CANCEL CALL FOR COOLING APPROXIMATELY 1 MINUTE LATER FAN TURNS OFF PROVIDED THAT CONTINUOUS FAN HAS NOT BEEN SELECTED a a d a 14 1 ELEMENT LIMIT CONTROL 2 TRANSFORMER 3 MAIN TERMINAL BLOCK 4 CONTROLLER 5 ELEMENT PLATE 6 ELEMENT 7 LED PANEL 8 SELECTOR SWITCH 9 FAN MOTOR 10 MOTOR CAPACITOR 11 BLOWER CAPACITOR BOOT not shown CIRCUIT BREAKER not shown PARTS 37 PART NUMBER 2 LIMIT3LO1130 2 TRANS40VA24 8 TBMAIN 2 BOARDSE6 2 ELMPLTE 2 ELEMENT3 2 ELEMENTA 2 5 2 PANLED 2 SWITCHRCKR 2 MTRDDO25 1 3HP 2 0 0 5845 2 70 5 1 3 2 70 15 3 2 BLOWER10208 2 BLOWERGTI210 2 CAPBOOT 2 6 15 301A3Q TWNYSLX4 SdINV ANY YOLOW 3 018 303 54 S SOT ONT SNOLS O1 dfi SN
5. Failed RAR sensor 4 none Failed DA sensor 5 none Failed DAR sensor 6 none Failed CT sensor 7 none Overheating 8 Element 1 Overcooling 9 Element 2 Crfitical Overheat 10 Element 1 amp 2 Thermostat error 11 none 10 V v v c c CC G G G G ECG G G G 4 3715 1N3N373 97621 Sg GEZI EC EL NOLLV307 1N3N373 6 E 02 81 SL DL 31V1d 1N3W313 9NIHIA 0135 en emm VE XVW awe Ow OWA SLL HOLON NV Hanv OLAVIAVIQHIM 2002 81 1495 31va 21812313 MAZZ IWVd9VI INIHIM 09 1 062 Ag SINANOdINO9 3S3HL 310N My Dar ear RUM d 9141 WING IVAH I I TW NO aNnod 38 LON Doc ii M ONY MM 9 1STVNINN3I ILON NI i ti AWLSOWYSHL 201 085010 1 EB ANNE 50 YN 1 PERE i i 27 1111 bag rt un mE mora 11 11 11 HL H3TIOHLNOO I rd 11 seau KA i aa Drap I dd Fg Sv LHL H3TIOHINOO ER CH Il pc Aviad IV3H IVLSONU3H1I Fg Ill 74 1051 TANANAN o gd T 1 3 RE He DT uu i WISN a 11 E arp s Ss 0140 I Hl Fg 4 EE oa Sosa EI Fg DEE E EE E i Ill ll Hl pg
6. INSTALLATION INSTRUCTIONS LPH ELECTRIC WARM AIR FURNACE BY IMPACT DISTRIBUTION Save these instructions for reference This furnace must be installed by a certified installer and where reguired by law a licenced technician FOR SERVICE CALL INSTALLATION INFORMATION Oualified Contractor Telephone Number Unit Model Number Unit Serial Number Date of Installation MANUFACTURED BY SUMMERAIRE MANUFACTURING EXCLUSIVELY FOR IMPACT DISTRIBUTION INSTALLATION GENERAL INSTRUCTIONS ALPHA series electric furnaces are designed built and inspected to provide safe and dependable operation when properly installed in compliance with all National and Local Codes The Alpha series of warm air electric furnaces are available in the following models 10kW 15kW 18kW 20kW 23kw and 27kW outputs ELECTRICAL electrical eguipment and wiring shall be installed following the reguirements Canadian or U S A National Codes These electric furnaces require 120 240 vac 1 phase 60 Hz 3 wire power supply C W neutral LOCATION The furnace shall be centrally located in relation to the outlet registers with suitably sized warm air ducts for improved heat distribution MULTI POSITION Alpha series electric warm air furnaces can be installed for vertical horizontal or down flow operation PETLER wasqa verc LS __ _ NOTE An optional DownFlow base shall
7. OL OL dl DNINOILIINOO HIV 541501 DA 87 1H5I3M SNiddIHS ub X 06 Q38In038 8 5 WANATd WV 81 X CIL 81 INON31d 1 H 9 XQ I1CXM 0C 1H IJH X H1d3Q X HLGIM SNOISNAWIG NOI1VINHOJNI 1VH3N35 01 C115 IH13d 008 0 01 X3Q3lV d3MOT18 03345 dH DIE 03345 dH 3345 d H YOLO 091 09 5 3715 430V349 OSI 09 SdINV LINDY 061 8t x 1 101 911 SdINV IN3IA313 DNILV3H LOL S 54 4010 08 09 do JONVY 3514 JUNLVUIANAL 06146 HALTI LNdLNO LC EZ 07 8 SL OL ONILVY MANUFACTURED BY SUMMERAIRE MANUFACTURING EXCLUSIVELY FOR IMPACT DISTRIBUTION Revised 09 18 07 17
8. be installed with units over 23 KW All panels doors must be secured in place prior to starting unit A filter frame C W disposable filter is supplied to suit 20 x 20 x 1 filter The filter frame shall be installed the side of the cabinet selected for the return air to enter the furnace either side or bottom NOT IN BACK OF CABINET Four knockouts are provided on each of the two sides and bottom of the furnace to locate R A opening FEATURES All models are completely pre wired All field wiring shall be completed by the Installer to the terminal block provided on the main control board in the furnace INSTALLATION CLEARANCES FURNACE As shipped the ALPHA series furnaces are Certified for ZERO clearance To facilitate servicing the unit the Front clearance should be a minimum of 24 OPERATING SEQUENCE HEATING The thermostat closes the R W1 W2 circuit activating the controller and elements one by one The blower starts at low speed at the same time as the first two elements come on Blower speed increases as the other elements turn on Furnace is factory set in modulation mode If modulation has been selected at the controller the blower speed with adjust automatically to maintain the factory set discharge air temperature If modulation has not been selected the blower will run at the factory set heating speed When the thermostat is satisfied all elements turn off at once and the blower conti
9. d holes provided Do not route sensor leads through the same openings as the power leads Sensor leads must be routed away from power leads Drill a 3 8 diameter hole in the return air duct approximately 18 upstream of the A C coil Insert the Heyco bushing provided into the hole Insert the sensor lead end into the return air duct approximately 2 and secure into place using the plastic clip provided Refer to fig 6 Fig 1 RELAY SUBSTITUTION DIP SWITCHES Switch SW1 AII furnaces are factory supplied with all switches set to the off position The relay dipswitch is located on the main control board SWiselections will select relay to be disabled and the new relay to be enabled SW2 positions 1 and 2 labeled MOD will select modulation options DO NOT CHANGESWITCH POSITIONS 3 to 6 In the tables below a switch ON is represented by a value 1 while a switch OFF is represented a value 0 The following tables highlight valid selection for each furnace size Switch Old New Position Relay Two Element Furnace 0100 1100 0010 1010 0110 1110 0001 1001 0101 1101 0011 1011 0111 lt Q OONN N EA DNDN m mm m Ch Ch gt Switch Old New Position Relay Relay Three Element Furnace 1100 0010 1010 1110 0001 1001 0101 1101 0011 1011 0111 GA N Nm m m Q ON QA ON Q Q 2 Switch New Position Four Ele
10. e CONTINOUS FAN switch turns the blower on to continuous LOW speed This feature will filter the air and provide for better distribution in the building r PART ELEMENT POWDR il CONTINUAS Dee A WARNING CAUTION It is important to check airflow and make sure that the furnace does not operate above the temperatures specified in the Specifications Table 1 This is particularly important if a cooling coil or a heat pump has been in stalled High Limit Thermal Protectors should never need to engage during normal operation of the furnace The High Limit protectors are designed to engage during the improper functioning of the blower or when the filter has not been kept clean CHECKING HIGH LIMIT THERMAL SWITCHES After 10 minutes of operation at full capacity block the supply or return air opening Record the supply air temperature at a point that is not exposed to radiant heat from the elements The elements must shut down before the temperature exceeds 93 C 200 F INSTALLING A HEAT PUMP WITH AN SE SERIES ELECTRIC FURNACE You may require a kit to prevent the simultaneous operation of the furnace elements and the heat pump Refer to the instructions provided with the thermostat or the fossil fuel type kit for proper wiring of the furnace and the heat pump Fossil fuel kit is not required if A C Coil is installed in return air ple
11. ment Furnace 0010 1010 0001 1001 1101 0011 1011 0111 Lei tA ON tA o GA EA EA m Q a Switch New Position Relay Relay Five Element Furnace 1010 1001 0011 0111 E ON lt Ch Fig 2 MAIN CONTROL BOARD och Am 2909 12831135951 I d Ls iL JI 5 noun oe Fig 3 CONTROL BOARD FAULT CONDITIONS AND DISPLAY Fault conditions are recognized and displayed by the Upper LED display panel Only overheating and overcooling conditions are displayed at the element LEDs These conditions are likely the result of poor air flow resulting from dirty air filters All other conditions are displayed by the LED located on the backside of the LED panel Simply count the number of flashes at the single element panel fault LED and refer to the chart below NOTE to view the LED panel fault indicator LED the front control cover must be removed This sequence should only be performed by a qualified contractor WARNING HIGH VOLTAGE IS PRESENT IN THE CONTROL COMPARTMENT SERIOUS INJURY OR DEATH MAY RESULT IF PROPER PRECAUTIONS ARE NOT FOLLOWED Fault Number Element LED Resulting Condition Flashes Flashes Controller Action Excessive fan 1 none All outputs turned off motor amp draw Alarm relay on Alarm beeper on No current draw 2 none All outputs turned off At fan motor Alarm relay on Alarm beeper on Failed RA sensor 3 none
12. nues to run until either the preset discharge temperature is met or 1 minute which ever occurs first Refer to fig 2 to select modulation Position 1 on switch SW2 turns heating modulation on and off COOLING The thermostat closes the R Y G circuit thereby activating compressor relay The blower starts at cooling speed Furnace is factory set in modulation mode If modulation is selected at the controller the cooling sequence starts first at high speed blower for approximately 7 minutes sensible mode followed by approximately 7 minutes of lower speed blower latent mode This sequence repeats If modulation 15 deselected cooling speed is fixed at high speed Refer to fig 2 SW2 position 2 to turn modulation ON or OFF 3 Position 2 on switch SW2 turns cooling modulation on and off MANUAL CONTROLS When thermostat calls for heat the element indicator lights will illuminate as the elements turn on in sequence the blower speed automatically adjusts as well When the POWER switch is in the MODERATE position the furnace operates at reduced heating capacity REMEMBER during the winter months this switch should be in the MAX position to ensure maximum heating The POWER switch must also be set in the MAX position when a 2 stage thermostat or outdoor thermostat is installed to control the electric elements of the second stage Also the wire jumper on the main control positions W1 W2 must be removed Th
13. num DUCT Duct work for furnaces up to and including 20K W be installed with zero clearance to combustibles THERMOSTAT WIRING The thermostat shall be installed on an interior wall where it will not be affected by drafts sun light warm air diffusers fireplaces etc Follow the instructions that are supplied with the thermostat 1 stage electric heating only 2 stage electric heating only 1 stage thermostat with outdoor control for 2 stage function electric heating only 2 stage thermostat electric heating and air conditioning 1 Stage Thermostat Electric Heating Only When a digital thermostat is used set this function to Gas or Oil Furnace ELEMENT RELAY SUBSTITUTION TURN POWER SUPPLY OFF PRIOR TO PERFORMING THIS PROCESS THIS PROCESS TO BE PERFORMED BY QUALIFIED TECHNICIAN ONLY WARNING FAILURE TO FOLLOW PROPER PROCEDURES MAY RESULT IN SERIOUS HARM OR DEATH Included in the Alpha controller design is the ability to select alternate element relay use in the event of original relay failure This option permits the alternate selection of up to two 2 relays Refer to fig 1 to determine the correct dip switch settings to select alternate relays Selections are made at the 4 position dip switch on the controller labeled as SW1 This switch is located immediately behind the W1 W2 thermostat connections To toggle the switch down towards the switch identifying numbers on the control 5 turns it off
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