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INSTALLATION MANUAL - NV ECO Vision Sales Inc.

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4. TER Tis SunTherm HEATING PRODUCTS Ip INSTALLATION MANUAL MODULAR AIR HANDLER WITH ELECTRIC OR HOT WATER HEATING MODELS MM SERIES General 2 Safety 3 Return Air and Clearance Requirements 4 Supply Air and Duct Connector Installation 5 Furnace Installation 6 Hydronic Heating 1 Electric Air Handler Dimensions 2 Hydronic Air Handler Dimensions 3 Clearance for Service 4 Closet Clearances 5 Typical Closet Installations 6 Accessory Air Filter Box for 1 or 2 Air Filters 7 Combustible Floor Base Installation Downflow 8 Component Locations Electric Heat Control Box 9 Component Locations No Heat Control Box 10 Component Locations Hydronic Heat No Pump 11 Component Locations Hydronic Heat With Pump 12 Control Box Circuit Breaker Location 13 Front Panel Circuit Breaker Location 14 No Heat amp Electric Heat Control Box Power Connections 15 Hydronic Control Box Power Connection Locations 16 1 Stage Heating Cooling Wiring Diagram 17 1 Stage Heating Cooling Wiring Diagram 18 1 Stage Heating Heat Pump Wiring Diagram 19 1 Stage Heating Heat Pump Wiring Diagram 1 Hlectric Hydronic Air Handler Model Specifications 2 Electric Air Handler Dimensions Table 3 Hydronic Air Handler Dimensions Table 4 Air Handler Model Nomenclature 5 Clearance to Combustibles 6 C
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6. 91 4 1 N ing with Two Stage Heati Hydroni 22 Two Stage Heat Pump Wiring Diagram MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Figure Page 20 Heat Pump Heating Cooling Thermostat Wire Color Code Letter Wire Color Description Code RED BROWN 24VACCommon BRN BLK PURP GRY Wire Connection Connection Connections R NA __ L O OO WwW _ Ee NEL NN NA NA W Y N H HM N A GREY Table 22 Recommended Heating Cooling Heat Pump Thermostat Wire Color Codes and Connections Note Transformer secondary wire color is yellow Place the yellow transformer secondary wire on the piggyback terminal with the green wire located on the COM terminal on the R200A 53 Hydronic Control Board 2 2 IVI Typical Heating Cooling Thermostat Wiring Connections Typical Heat Pump Heating Cooling Thermostat Wiring 1 Remove blower control box access door Connections 2 Remove the control box cover Remove the blower control box access panel 3 Install a grommet or strain relief in the 9 16 hole on the 2 top and the right side of the air handler casing to protect 3 the thermostat wire cable 4 Strip gt of the insulation on the end of each wire 5 Insert the wire cable from the thermostat thru the 9 16 hole 4 into the control box and plac
7. GREE R Com sP RED pmm 08 Tlnm Jwe Om JW3 CTIm 1 gp R2 209 49 GREENCE Mone ee us posessin e Y2 6 a nee 9 GREEN OAM P GREEN Ie panmi OFFON JUMPER PIN ECM Motor Control Board O Ground Lug Cp GRN WHT Hydronic Control Board Refognized Component s 600 im gn HI EH MED Lo BLANK Supply Voltage Terminal Block 5 N L2 Control Box LEGAND WIRING DIAGRAM COVERS YEL YELLOW ECM 1 0 HP MOTORS BRN BROWN BLK BLACK WHT WHITE PNK PINK BRN BROWN RED RED ORN ORANGE BLU BLUE HUM HUMIDIST AT CLO COMPRESSOR LOCKOUT 61CCMVO1 Figure 35 MMVE 37 72 ECM 2 3 Hydronic Heat with Pump and Choke MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 28 16 WIRE CABLE HUM 5 GREE R Com 6 RED SP RED GREENCFEM 2 EH 9 GREEN 62 GREEN OF FON RPIN ECM Motor Control Board G
8. ECM 180 272 440 Min Wire Size 90 c 4 4 a 14 14 Minimum Wire Size oC 4 4 Dual Circuit Line Wiring Connections 15kW or 20kW Models 10 You will need to insert the black wire from the second power supply into the L1 screw terminal on the second circuit breaker down from the top and tighten the set screw to clamp down on the wire 11 You will need to insert the white or red wire from the second power supply into the L2 screw terminal on the second circuit breaker down from the top and tighten the set screw to clamp down on the wire 12 You will need to insert both green wires into the ground lug and tighten the set screw 13 Tighten the screws on the cable connectors until the power supply wires are securely fastened to the connector NOTE The furnaces are equipped with either one or two circuit breakers These circuit breakers protect the wiring inside of the furnace in the event of a short circuit Additionally these breakers provide a means of disconnecting the power to the unit The circuit breakers in the furnace are not meant to protect the branch circuit wiring between the furnace and the home s breaker panel General wire and breaker sizes are shown in Tables 12 thru 17 If sheathed cable is used refer to NEC National Electrical Code NFPA 70 or the Canadian Electrical Code Part I CSA C22 1 and lo
9. air handler 1 Common Cl at the main service House Circuit Breaker panel 2 W WI 2 Remove the blower door and switch furnace circuit 3 Common C2 breaker s to OFF 4 Delay Tap Select 3 Disconnect the wire from the isolation relay terminal 5 Cool Tap Select and reconnect the desired wire to the terminal Here is 6 the PSC motor speed tap wire color code 7 Adjust Tap Select Black wire is High Speed Blue wire is Medium Speed 8 Output and Red wire is Low Speed Brown wires for capacitor 9 Reversing Valve Heat Pump Only 4 Turn the circuit breakers and reinstall air handler blower door 5 Turn on all electrical supply circuits to the air handler at the main service House Circuit Breaker panel 6 Setthe thermostat to the desired temperature Page 23 Replacing 1 3 HP PSC and 1 2 HP PSC Blower Motor 1 2 10 11 12 13 14 Turn off all electrical supply circuits to air handler at the main service panel Remove air handler blower door and switch the air handler circuit breaker s to Disconnect the power cable and the speed tap cable that connect to the blower motor Remove the two screws on the right side and the two screws on the left side of the blower mounting plate Refer to Figure 26 for screw locations Slide the blower out of the blower compartment and set on the floor Loosen the wheel set screw by placing on wrench on the screw head and turning coun
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11. HEATING PRODUCTS FORT WORTH TEXAS 76106 61CC2004 C REVISION A REPLACE SEQUENCER WITH HEAT RELAY REVISION B ADD BROWN WIRE FOR SECOND STAGE HEAT REVISION C REVISED DRAWING CLEAN UP DRAWING ERRORS Figure 31 MMVE 18 72 ECM 2 3 10 kW Field Installed Heater Kit MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 26 MUNERE 1 fa aa TN LADDER DIAGRAM e 3 1 1 t i SCHEMATIC DIAGRAM 208 240 CIBCUIT 1 L2 WHT HT HTR 3 HTR 3 5 RED BLU 208 240 VAC CREDIT 1 1 T s 5 1 1 i NEM 53 Q MEE RED 4 5 REDLS2 MEE i B B 1 LS 1 HTR 1 RED E 2 GNDGND 6 PIN MALE PLUG NUT NUT LEGAND BRN CB CIRCUIT BREAKER BLU HR HEAT RELAY GND GROUND MSVE25 72 ECM MOTOR N WARNING LS LIMIT SWITCH 15 kW 2 240 VOLTS S U N T H E SWITCH CIRCUIT BREAKER OR HEATER ELEMENT 11 25 kW 208 VOLTS DISCONNECT TO THE OFF POSITION HEATING PRODUCTS HT SUHITE 6 PIN MALE PLUG BEFORE SERVICING THIS UNIT FORT WORTH
12. O NINININI AP NINININI 4 2 0 15 N AYO AY NO O AY O 2 AY AY OF 5 2 2 0 0 0 36 0 43 0 46 0 47 0 57 0 46 0 45 0 53 91910 0 sy 1 NY IN 0 67 O 79 O 92 9 2 NIO QJO 0 4 o 8 3 O zi O Q Q Q W l l il 2200 126 8 1 05 2400 124 8 1 72 Table 8 Hot Water Cap Boiler Loop 65 F 180 F EWT 20 F At No Pump Large Cabinet 3 0 3 5 4 0 5 0 Ton MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 9 BTUH BTUH BTUH BTUH BTUH APD crm toov wor vov ek LE 13 600 16 200 18 840 21 510 24 200 600 14 890 17 760 20 660 23 600 26 570 0 09 2 15 990 19 090 22 230 25 410 28 620 18 160 21 580 25 000 28 500 32 000 600 20 170 24 000 27 840 31 700 35 600 3 21 900 26 000 30 280 34 500 38 800 16 MM 18 MM 18 14 890 17 760 20 660 23 600 26 570 0 09 MM 24 900 24 800 34 300 39 160 44 000 Table 9 Hot Water Capacity with Factory Pump 65 F EAT Stated EWT Small Cabinet 1 5 and 2 0 MODEL BTUH BTUH BTUH BTUH BTUH APD 120 F 130 F 140 F 150 F 160 F IWC E NER 600 25 630 29 540 900 7 270 31 170 35 110 600 9 030 33 090 37 190 MM 25 3 930 38 720 43 560 ere 900 5 960 41
13. Terminals 7 25 Blower Mounting Plate and Screw Locations 8 26 Blower Assembly and Blower Deck 15 27 ECM Motor Control Plug Pin out 15 28 ECM Control Board Diagram 15 29 MMVE 18 72 0 kW Heater Wiring Diagram 15 30 MMVE 18 72 5 kW Heater Kit Wiring Diagram 16 3 MMVE 25 72 10 kW Heater Kit Wiring Diagram 16 32 MMVE 37 72 15 kW Heater Kit Wiring Diagram 17 33 MMVE 37 72 20 kW Heater Kit Wiring Diagram 17 34 MMVE 18 36 Hydronic Heat w Pump No Choke Wire Dia 18 35 MMVE 37 72 Hydronic Heat w Pump and Choke Wire Dia 19 36 MMVE 18 36 Heat No Pump or Choke Wire Dia 19 37 MMVE 37 72 Hydronic Heat w Choke No Pump Wire Dia 19 LIST OF TABLES 3 13 Wiring Requirements 115V Hydronic Single Branch Circuit 4 14 Wiring Requirements 208 240V Electric Single Branch Circuit 4 15 Wiring Requirements 208 240V Electric Single Branch Circuit 5 16 Wiring Requirements 208 240V Electric Duel Branch Circuit 6 17 Wiring Requirements 208 240V Electric Duel Branch Circuit 18 Hlectric Heater Electrical Data 19 Accessory Field Installed Electric Heater Kit Model Numbers 20 Accessory Field Installed Electric Heater Kit Nomenclature 2 Low Voltage Wire Gauge and Max lengths 22 Recommended Heating Cooling Heat Pump Wire Color Codes21 23 X 13 Motor Terminal Connections 24 ECM Motor Control Connector Terminal Description 6 This air handler is
14. connect the power supply wires Single Circuit Line Wiring Connections 1 Remove the blower and control box access panel door 2 Remove the control box cover 3 Install the cable connectors on the 7 8 dia holes on the right side of the control box 4 Strip gt of the insulation on the end of each wire 5 Insert the wires through the holes in the casing and through the cable connectors 6 Insert the black wire into the L1 screw terminal on the first circuit breaker from the top and tighten the set screw to clamp down on the wire 7 Insert the white or red wire into the L2 screw terminal the first circuit breaker down from the top and tighten the set screw to clamp down on the wire 8 If you are using a single circuit for a 5 kW 10kW 15kW or 20kW model you will need to install a black jumper wire from the L1 terminal on circuit breaker 1 to the L1 terminal on circuit breaker 2 and a white or red jumper wire from the L2 terminal on circuit breaker 1 to the L2 terminal on circuit breaker 2 Refer to Figures 8 12 and 13 for circuit breaker locations Note The 100 amp 4 Pole Jumper Bar Assembly part number 68BAEO001 can be used in place of the jumper Wires 9 Insert the green wire into the ground lug and tighten the set screw ndoor Blower Blower Amps CM 14 14 14 14 14 14 Minimum Wire Size 75 VT 25 30 36 ECM jXi3 CTM
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16. designed for multi position upflow horizontal application 7 This air handler must not be operated without the door installed 12 16 17 22 24 23 19 20 20 20 22 22 23 23 24 25 26 26 27 24 28 28 29 29 13 13 13 14 14 14 16 17 17 22 23 NOTE This air handler and its components listed on the A C and Heat Pump equipment sticker were listed in combination as a system by ETL for the United States and Canada SAVE THIS MANUAL FOR FUTURE REFERENCE Page 1 CAUTION This product must be installed in strict compliance with installation instructions and any applicable local state and national codes including but not limited to building electrical and mechanical codes IMPORTANT The Clean Air Act of 1990 bans the intentional venting of refrigerant CFC s and HFC s as of July 1 1992 Approved methods of reclaiming must be followed Fines and or incarceration may be levied for non compliance Safety Requirements This appliance should be installed in accordance with all national and local building safety codes and requirements local plumbing or waste water codes and other applicable codes In the absence of local codes install in accordance with the following codes e Standard for the Installation of Air Conditioning and Ventilating Systems NFPA 90A SECTION IT SAFETY A This is a safety alert symbol When you see this symbol on labels or in manuals be alert to th
17. on and off The LED on the board will be lit when the motor is running the dehumidify programmed speed If the ECM motor dehumidify program is no longer desired by the home owner simply move the jumper pin back to the OFF position to disable the motor program Control Board Flash Code The ECM control board has a CFM flash code when the air handler is operation to indicate the current CFM e Typically flashes once 100 To determine the selected CFM count the number of flashes between pause flashes and multiply by 100 e The sequence is followed by a 10 second OFF period signifying the end of the flash code then the flash code Starts over Note Since static will be low due to the removed panel RPM will be lower to maintain the selected CFM Example of the flash code Page 24 0250 The air handler is operating at 1400 The flash code will be 1 second flashes with pulse flashes 0 1 seconds apart 14 times followed by a 10 second off then the flash code starts over Thermostat Heat Anticipator Some thermostats have a heat anticipator setting that must be set to the settings shown below in order to function correctly If the heat anticipator setting is too low the furnace will short cycle If the heat anticipator setting 16 too high the furnace will run long cycles thus causing the temperature to overrun the temperature setting This will cause the home owner to feel hot by the time the blower co
18. operation of the product could cause personal injury or property damage Figure 7 The duct connector and combustible floor base must be installed according to the instructions in this manual Improper installation adjustment alteration service or 3 These models ARE NOT ETL listed or approved for maintenance can cause injury or property damage Refer to installation ds Manufactured Mobile Home 4 Provide clearances from combustible materials as listed this manual for assistance or for additional information e under Clearances to Combustibles consult a qualified contractor installer or service agency 5 Provide clearances for servicing ensuring service access is AWARNING FIRE OR ELECTRICAL HAZARD Failure to follow the safety warnings exactly could result in serious injury death or property damage A fire or electrical hazard may result causing property damage personal injury or loss of life MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 allowed for the control box electric elements hot water coil and the blower AWARNING Hot water from a boiler used to satisfy heating requirements can be heated to temperatures of 180 F Parts containing water this hot can scald very quickly Use extreme caution when servicing or performing maintenance on any parts containing hot water Page 2 10 11 12 13 14 15 Check the rating plate and the power supply to be s
19. pores 761 oe 61 2005 BIK BLACK 12 GA TYPE 1015 600V TWE 105 REVISION A REPLACE SEQUENCER WITH HEAT RELAY 18 GA TYPE 1015 600V TWE 105 BROWN WIRE USED FOR 2ND STAGE OF HEAT REVISION B ADD BROWN WIRE FOR SECOND STAGE HEAT BRN BROWN L FIELD INSTALLED WIRES REVISION C REVISED DRAWING CLEAN UP DRAWING ERRORS TEM SCHEMATIC DIAGRAM LADDER DIAGRAM e grids 1208 240 VAC REDWHT mE S5 i NB c HTR 3 e RED BLU 9 i MEE MEM Eod HTR2 d e RED BLU HTR 1 60 AMP 50 AMP RED BLU f 6 PIN MALE PLUG LEGAND cimcUrr BREAKER FIELD INSTALLED ELECTRIC HEAT KIT du 2 BLEHK20B WARNING GN GROUND MSVE25 72 MOTOR SUNTHERM HEATING PRODUCTS LS LIMIT SWITCH 20 kW 240 VOLTS HEATER ELEMENT 15 kW 208 VOLTS SWITCH CIRCUIT BREAKER OR DISCONNECT TO THE OFF POSITION ut sam 6 PIN MALE PLUG BEFORE SERVICING THIS UNIT FORT WORTH TEXAS 76106 61 2006 BLK BLACK 12 GA 1015 600V TWE 105 C REVISION A REPLACE SEQUENCER WITH HEAT RELAY BRN BROWN 18 GA TYPE 1015 600V TWE 105 BROWN WIRE USED FOR 2ND ST
20. removed reinstall control box cover Switch circuit breaker s to position Switch the furnace circuit breakers in the main service House Circuit Breaker panel to the ON position Set the blower selector switch to the ON position and check all of the duct connections for air leaks Seal any air leaks found Set the blower selector switch to the AUTO position Set the thermostat above the room temperature to check for proper operation of the electric heaters Set the thermostat to the desired temperature 4 fe MN NJ gt i 4 i AU4101 fe fe N al DI DEHUMIDIFY CUT TO ENABLE A S004 o 250In Figure 28 ECM Control Board Diagrams DEHUMIDIFY The ECM board has a 0 ohm resistor or a jumper pin that provides 24 VAC to the HUM terminal keeping the motor from initiating the dehumidify program Once the o ohm resistor is cut a 24 VAC signal must be present from the thermostat or humidistat when the humidity 15 below the set point The humidistat contacts must open when humidity is above the set point The jumper pin configuration can be changed by moving the jumper from the OFF position to the ON position Once the jumper pin has been changed to the ON position the humidistat will turn the dehumidify program in the motor
21. thermostat wire colors and the typical heat pump heating cooling connections are listed in Tables 18 19 22 and 23 Low Voltage j Wire Entrance Opposite Side Figure 14 No Heat and Factory Installed Electric Heat Control Box Wiring Connection Locations Hot Vater Coil Connections Low Voltage Wire Entrance lg Figure 15 Hydronic Control Box Wiring Connection Locations MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 17 Thermostat Installation The thermostat heat anticipator must be set at 0 4 Amps if the thermostat has a manual heat anticipator adjustment This setting should be checked at the time of installation The thermostat may be a self setting type in which case no heat anticipator setting will be found on the thermostat eliminating the need for any field adjustment Thermostat should be located on an inside wall in an open area to more closely regulate average room air preferably where there is air movement back to furnace Locating height of thermostat is important Thermostat should be located preferably in a hall way upstream from the furnace return airflow not within three feet of from any windows and 52 to 66 inches above the floor DO NOT place the thermostat within three feet of any of the furnace supply air registers DO NOT place the thermostat within three feet of any of the air conditioner supply air registers Maintenance operating and or programming instruction
22. 0 222 14 736 30 222 220 VAC 60 HZ 1 PH 8 8572 eating Element capaci 68 282 Heating Element Capacity Table 18 Electric Heater Electrical Data MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 14 Electric Heaters ECM Control Board Figure 8 Component Locations Electric Heat Control Box Casing or cabinet must be permanently grounded in accordance with the National Electrical Code or other applicable codes lt Electrical Terminal Block Transformer Behind Control Board Plate FOR 1 TRANS F ORMER BLOWER MOTOR ONLY OrmmodFrF DOOR H FOR 1 BLOWER MOTOR ONLY HYORONIC TO THE SIDE OF CONTROL BOX IH REAR ELECTRICAL BLOCK HYDEUONMIC CONTROL ONOFF DOOR SWITCH C Figure 11 Component Locations Hydronic Heat Control Box With Pump MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 15 SECTION VIII FIELD INSTALLED ELECTRIC HEATER KITS This instruction covers the physical installation of the For personal safety be sure to turn the electrical power following electric heat kits on the MM series models Refer to OFF at the main entrance Home Circuit Breaker Box Tables 12 thru 18 for electrical specifications Medium 1 and at the unit control box circuit breaker
23. 02 160 0 25 3 41 0 34 3 14 0 29 8 83 0 34 9 45 0 46 5 68 0 16 1 01 0 23 5 83 0 29 5 02 0 25 3 41 0 34 1 08 0 44 78 83 0 34 9 45 0 46 99 23 IN 600 900 600 900 600 900 1000 5 68 NIOJ O O O O N O N O 0 C 47 5 2 Quos O O O O N 0 9 4 5 5 6 7 8 Ea ba LaLa En La DS 8 APN MO ONIO OINI ANIO 5 00 0 Table 7 Hot Water Capacity Boiler Loop 65 F EAT 180 F EWT 20 F At No Pump Med Cabinet 2 0 2 5 3 0 Ton LAT LWT APD WPD BTUH ROWS MODEL CFM 1000 5 4 116 4 1200 113 4 0 12 1400 110 9 0 15 1000 135 2 0 13 MM 37 1200 131 8 0 18 1400 128 9 0 23 1000 147 2 0 17 1200 144 0 0 23 1400 141 1 1200 113 4 0 12 1400 110 9 0 15 1600 108 7 0 19 1200 131 8 0 18 MM 42 1400 128 9 0 23 1600 126 3 0 29 1200 144 0 0 23 1400 1 1600 138 6 0 39 1400 1600 1800 1400 MM 48 1600 1800 1400 1600 1800 1800 2000 2100 1800 MM 60 2000 2100 1800 2000 2100 2000 2200 2400 2000 MM 72 2200 2400 2000 0 15 110 9 108 7 0 19 106 9 0 24 128 9 0 23 126 3 160 0 29 124 0 0 36 141 1 188 6 136 2 106 9 105 2 104 4 128 9 121 9 120 0 136 2 184 1 T320 101 5 98 6 117 1 115 1 113 3 128 9 O 39 O 47 O 24 O 28 dod On O 0 NI l
24. 060 46 210 600 4 005 38 605 43 200 46 315 900 49 645 900 7 270 31 170 35 110 8 540 32 630 36 770 0 720 35 150 39 630 4 7 5 7 8 MM 24 900 5 960 6 210 1000 8 580 1200 6 760 52 670 __900__ 1000 1200 MM 36 Table 10 Hot Water Capacity with Factory Pump 65 F EAT Stated EWT Medium Cabinet 2 0 2 5 and 3 0 Ton 7 780 0 910 31 895 37 790 3 710 91 alo 9 645 55 595 2 685 59 010 5 5 8 065 65 045 3 3 4 33 836 40 100 37 260 44 165 20 510 24 500 6 385 1 104 3 540 2 630 6 770 5 150 9 630 7 260 3 160 6 760 3 510 6 385 1 104 5 150 WINI OJS 26 350 0 720 2 550 7 780 0 910 5 5 5 5 2 3 4 2 3 4 2 3 O i 4 MORTEX PRODUCTS INC 501 TERMINAL FORT WORTH TEXAS 76106 Page 10 0 1800 54 49 0 47 1806 34 840 41 010 0 24 2000 35 78 0 28 2100 36 45 0 81 1800 45 87 54 710 63 670 0 36 2000 47 96 0 43 2100 48 92 58 380 67 970 0 46 1800 2000 54 49 57 16 4 91 8 12 00 5 45 96 820 0 47 9 20 0 400 101 710 0 57 2 390 03 750 0 62 0900 N O OQ 0 O O O o 0 NIN 0 Q 0 2100 58 38 9 2000 35 78 49 820 5 O 2200 N O 36 70 43 800 50 900 65 200 0 53 BTUH BTUH APD
25. 2 TM 4 7 ce 3 Ga uid 20 E Cooling Unit Outdoor Section i gp eg aC ii Thermostat wo fit d AHECM i E nia lt i NI BOARD lt 7 Arv tc L 4 ToLoadSide i Electric Heater Relay FP ry HO 1 sant I 4 oe i 240 VAC Heater i Relay HYDRONIC Water Line 1 H apuro SEPA poem Freeze BOARD Temp Sensor 1 Protection t lt lt mmm mmm gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt ee gt e gt gt gt e ee Figure 16 Typical Hydronic Single Stage Heating with Single Stage Cooling Wiring Diagram MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 18 _5 6 58 pond 1 55 9 1 ef 2 23 3 88 5 i e m Y e 4 am L
26. 25 60 ECM MOTOR LS LIMIT SWITCH 5 kW 240 VOLTS HTR HEATER ELEMENT 3 75 kW 208 VOLTS G RED RED WHT WHITE 6 PIN MALE PLUG BLU BLUE 12 GA TYPE 1015 600V TWE 105 BLE BLACK 18 GA 1015 600V TWE 105 BRN BROWN WIRE il NUT 6 PIN MALE PLUG N WARNING SWITCH CIRCUIT BREAKER OR DISCONNECT TO THE OFF POSITION BEFORE SERVICING THIS UNIT SUNTHERM HEATING PRODUCTS FORT WORTH TEXAS 76106 61CC2003 C REVISION A REPLACE SEQUENCER WITH HEAT RELAY REVISION B ADD BROWN WIRE FOR SECOND STAGE HEAT REVISION C REVISED DRAWING CLEAN UP DRAWING ERRORS Figure 30 MMVE 18 72 ECM 2 3 5 kW Field Installed Heater Kit SCHEMATIC DIAGRAM L2 RED WHT LADDER DIAGRAM BLK_ 208 240 I T 208 240 VAC Circuit 1 GND WIRE il NUT LEGAND CIRCUIT BREAKER FIELD INSTALLED ELECTRIC HEAT KIT HH HEAT RELAY BSEHK10B BMEHK10B BLEHK10B GND GROUND MSVE25 60 ECM MOTOR LS LIMIT SWITCH 10 kW 240 VOLTS HTR HEATER ELEMENT 7 5 kW 208 VOLTS RED RED WHT WHITE 6 PIN MALE PLUG BLU BLUE 12 GA TYPE 1015 600V TWE 105 BLK BLACK 18 GA TYPE 1015 600V TWE 105 C BRN BROWN FIELD INSTALLED WIRES REDLS 2 RED HTR2 1 RED 6 PIN MALE PLUG N WARNING SWITCH CIRCUIT BREAKER OR DISCONNECT TO THE OFF POSITION BEFORE SERVICING THIS UNIT SUNTHERM
27. AGE OF HEAT REVISION B ADD BROWN WIRE FOR SECOND STAGE HEAT FIELD INSTALLED WIRES REVISION C REVISED DRAWING CLEAN UP DRAWING ERRORS Figure 33 MMVE 37 72 ECM 2 3 20 kW Field Installed Heater Kit MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 27 WHT Water YEL Pump 26 __ GRN 16 WIRE CABLE FEMALE E OTOR GD Hum no es GREE R Com 6 2 RED R1 Ww ORN 5 PEDO 49 9 T 5 BLU 5 Ll 3 YEL 4 Yi 95 GREEN 02 IT T 6 GREEN Motor Control Boarc Ground Lug Q Hydronic Control Board Component Hi EH VALVE BOILER I N Supply Voltage Terminal Block ele 55 42 _ gt D Control Box WIRING DIAGRAM COVERS z GRYz GREY ECM 1 3 HP MOTORS YEL YELLOW GRN GREEN ECM 1 2 HP MOTORS BRN BROWN BLK BLACK ECM 3 4 HP MOTOR ORN ORANGE BLU BLUE HUM HUMIDISTAT CLO COMPRESSOR LOCKOUT 61CCMVO2 Figure 34 MMVE 18 36 ECM 2 3 Hydronic Heat with Pump No Choke WHT Water YEL Pump G GRN 16 WIRE CABLE GD Hum neo O Blower Motor
28. CTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 22 11 Center blower wheel in the housing turn the motor Change Motor Speeds ECM Motor shaft so the wheel set screw 15 located on the center of the 1 Turn off all electrical supply circuits to the air handler at flat spot of the shaft and tighten the set screw the main service House Circuit Breaker panel 12 Connect the same two cables that were removed in step 3 2 Remove the blower door and switch furnace circuit 13 Slide the blower assembly into the blower deck and insert breaker s to the screws on the right and left sides of the mounting 3 Motor speed can be changed for both heating and cooling 14 15 16 Switch circuit breakers to ON and replace air handler blower door Turn on all electrical supply circuits to the furnace at the main service House Circuit Breaker panel Set the thermostat to the desired temperature modes Heating blower motor speed change is done by moving the jumper on the jumper pins to a different setting Pin out is shown below A High Speed B Medium High Speed C Medium Speed and D Low Speed The blower motor speed can also be changed for cooling by moving the jumper on the COOL jumper pins to a different setting Pin out is shown below A High Speed B Medium High Speed C Medium Speed and D Low Speed The ADJUST pin is used to increase or decrea
29. NNEN i srt gt gt gt rt 15 1 1 H 15651 feg ON IN en Os e od rao e 55 9 S MEN BS S or 2 gt gn gt Uu een d 19 o8 m 5 FET 1 zB Of ui a 1 1 Of 20 S Ea A be E lt gt 4 gt gt th ing wi Two Stage Heat ic Two Stage Cooling Wiring Diagram Hydroni ica Typ Figure 20 Page 19 MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 gt gt gt gt gt lt lt gt go LL LET AEE RE a V S i i 1 L a um 8 E X 7 suononijsu va tombe 5214941 Yo 0104 4 BE i p ITEM M T 1771 Lr
30. POWER SUPPLY OR A VOLTAGE ABOVE 130 VOLTS The 240 VAC models use nominal 240 VAC 1 Phase 60 Hertz power supply DO NOT CONNECT THIS APPLIANCE TO A 50 HZ POWER SUPPLY OR A VOLTAGE ABOVE 250 VOLTS Ground connections MUST BE securely fastened to the control box and ground wires MUST BE secured to the ground lugs control box with terminals ALWAYS SHUT OFF ELECTRICITY AT THE DISCONNECT SWITCH OR TURN OFF THE CIRCUIT BREAKERS IN THE MAIN ELECTRICAL ENTRANCE BEFORE PREFORMING ANY SERVICE ON THE APPLIANCE GENERAL INFORMATION This single piece air handler provides the flexibility for installation in any upflow downflow or horizontal application The versatile models may be used with or without electric heat or hot water heat The direct drive variable speed ECM motor optional 3 speed PSC motor or the 5 five speed X 13 motors provide a selection of air volume to match any application The unit can be positioned for bottom air return in the upflow position top air return in the downflow position or air return through the end of the unit in the horizontal position NOTE Refer to the instructions in this manual for the proper downflow conversion kit and instructions on the proper conversion to downflow Inspection As soon as the furnace is received it should be inspected for possible damage during transit If damage 15 evident the extent of the damage should be noted on the carrier s freight bill A separate request for
31. R ELECTRIC HEAT Model A Nf o Table 2 DIMENSIONAL DATA MODULAR ELECTRIC HEAT DIMENSIONAL DATA MODULAR HYDRONIC HEAT A FRONT RIGHT SIDE LEFT SIDE IS MIRROR IMAGE BOTTOM Figure 2 DIMENSIONAL DATA MODULAR HYDRONIC HEAT Model B c E 17 50 29 00 2100 16 00 18 00 18 00 lt 57 42 45 6 74 2450 2990 2175 2350 1875 65 425 6 00 250 1 125 Table 3 DIMENSIONAL DATA MODULAR HYDRONIC HEAT MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 4 Unit Size Motor Type Capacity in MBTU H Heating Configuration Voltage Option Code MM Multi position Modular PS Standard PSC Variable Speed X 13 VE Variable Speed ECM Small Cabinet 18 18 5 24 2408 M edium Cabinet 25 25OM 30 300M 36 360M Large Cabinet37 37OL 42 42OL 48 48OL 60 60OL 72 7201 0 Heat 5 SkW Electric Heat 10 10kW Electric Heat 15 15kW Electric Heat 20 20kW Electric Heat 2P 2 Row HW Coil with Pump 3 Row HW Coil with Pump 4P 4 Row HW Coil with Pump 2N 2 Row HW Coil No Pump 3N 3 Row HW Coil No Pump 4 Row HW Coil No Pump Table 4 Air Handler Model Nomenclature NOTE 1 Electric heaters may be factory or field installed NOTE 2 Multiposition Modular Heating Only FILTER BASE ASSEMBLY KIT FIELD INSTALLED AA Standard Configu
32. T WORTH TEXAS 76106 Page 16 CAUTION After installing electric heater a one inch clearance must be maintained on all sides of the supply air duct and or plenum for a minimum of thirty six inches from the air handler discharge opening POWER SUPPLY CONNECTIONS If the air handler has been installed prior to installing the electric heaters or if an older unit is being replaced the supply power wires must be checked to make sure the wires are the proper sizes to handle the current load for the heaters Refer to Tables 12 thru 17 for correct wire size If the supply power wire size is incorrect new wires will need to be installed Follow the Type Series Accessory B Breaker SE Small Cabinet ECM Motor Medium Cabinet ECM Motor LE Large Cabinet ECM Motor SX Small Cabinet X 13 Motor Medium Cabinet X 13 Motor LX Large Cabinet X 13 Motor SP Small Cabinet PSC Motor Medium Cabinet PSC Motor LP Large Cabinet PSC Motor instructions Power Supply Wiring on page 15 of these instructions for proper installation For circuit breaker models only After the supply wiring has been connected to the circuit breakers you must remove the transformer and indoor blower motor wires from the terminal block and connect them to load side of circuit breaker 1 Refer to Figure 9 for terminal block location and Figure for circuit breaker location LOW VOLTAGE CONNECTIONS If the air handler was previ
33. a opening e Use Return Grille or A C Coil Cabinet or any return grille with a minimum 430 in free area opening Bottom Return Only Recommended Grille Size 800 CFM 20 X 20 Grille 324 in 1000 20 X 25 Grille 414 in 1200 25 X 25 Grille 414 in 1400 25 X 30 Grille 644 in 1600 25 X 30 Grille 644 in 1800 30 X 30 Grille 784 in 2000 CFM 30 X 35 Grille 924 in 2400 30 X 40 Grille 1064 in The return air opening can be located in in the floor on a closet front door or in a side wall above the furnace casing If opening for the return air 15 located the floor side walls or closet door anywhere below the appliance casing a 6 inch minimum clearance between the appliance and the wall or door must be provided on the side where the return is located to provide for proper air flow The 6 inch minimum clearance 15 not required if there is a return grille installed above the appliance casing providing the grille has a sufficient return air opening CLOSET WALLS fo BACK OF UNIT Figure 5 Typical Closet Installations Provisions shall be made to permit the air in the rooms and the living spaces to return to the furnace Failure to comply may cause a reduction in the amount of return air available to the blower causing reduced air flow resulting in improper heating of the living space The reduced air flow may cause the furnace to cycle on the limit causing prem
34. air handler circuit breaker s to OFF 3 Disconnect the power cable and the speed tap cable that connect to the blower motor 4 Remove the two screws on the right side and the two screws on the left side of the blower mounting plate Refer to Figure 25 for screw locations LOUER m SCREWS Figure 25 Blower Mounting Plate Screw Locations 5 Slide the blower out of the blower compartment and set on the floor 6 Loosen the wheel set screw by placing on wrench on the screw head and turning counter clockwise Loosen the wheel set screw until the shaft can spin freely 360 while inside the wheel hub The wheel set screw 15 located on the wheel hub on the opposite side of the motor 7 Remove the blower motor from the blower housing by removing the screws on the sides of the housing that secure the blower to the housing 8 Remove the blower motor mount assembly by loosening the belly band bolt and nut then remove the belly bans and mount legs 9 Insert the new blower motor into the blower mounting bracket making sure the mounting legs are properly placed into the belly band and the legs are straight Tighten the belly band screw and nut until belly bans is securely fastened to the motor 10 Place the motor into the housing so the mount leg holes line up with the rivet nuts in the housing Place the screw into the mount leg holes and tighten until the mount legs are securely fastened to the housing MORTEX PRODU
35. and the base Connect the supply air outlet to a plenum to the top of the unit and secure it with screws Use a Non tape sealant such as mastic or an aerosol sealant to seal duct leakage If installed in a basement run supply and return duct work in accordance with local codes Use a Non tape sealant such as mastic or an aerosol sealant to seal duct leakage HORIZONTAL APPLICATION Horizontal applications will normally be used in an attic or crawl space This type of installation requires supply air plenum or duct to be connected to the supply collar and a return air plenum or duct be attached to the unit inlet collar The supply ducts will be connected to the supply air plenum and routed thru the attic to a register in each room Use a Non tape sealant such as mastic or an aerosol sealant to prevent leaks in the ducts and the plenum The opposite end of the return air duct is attached to a return filter grille housing The filter grille is usually located in a wall just below the ceiling or the ceiling in a hallway Use a Non tape sealant such as mastic or an aerosol sealant to prevent leaks in the ducts and the plenum The unit is shipped to be installed without modification in a right to left configuration See AIRFLOW CONFIGURATION for details DOWNFLOW APPLICATION The unit is designed for downflow configuration Flip the unit so top is now the bottom of the unit INSTALLATION ON COMBUSTIBLE FLOORING AWARNING Com
36. ap Boiler Loop 65 F EAT 180 F EAT 20 F At No Pump 8 7 Cap Boiler Loop 65 F EAT 180 F EAT 20 F At No Pump 9 8 Htg Cap Boiler Loop 65 F EAT 180 F EAT 20 F At No Pump 9 9 Htg Cap Factory Pump 65 F EAT Stated EAT 1 5 and 2 10 10 Htg Cap Factory Pump 65 F EAT Stated EAT 2 2 5 and 3 Ton 10 11 Cap Factory Pump 65 F EAT Stated EAT 3 3 5 4 amp 5 Ton 11 12 Wiring Requirements 115V Hydronic Single Branch Circuit SECTION I GENERAL The following list includes important facts and information regarding the electric furnace and its inclusions 12 1 is rated at either 120 volts AC 240 volts AC at 60 Hertz Air handler size varies by model Seven wire thermostat for heat pump operation i obs operation MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Four wire thermostat operation for heating and cooling Air Handlers equipped with blower for A C or Heat Pump LIST OF SECTIONS 1 7 Line Voltage and Control Box Wiring 2 8 Field Installed Electric Heater Kits 5 9 Thermostat Wiring and Connections 7 10 Motor Blower and Furnace Startup 8 11 Final System Checkout 8 12 Wiring Diagrams LIST OF FIGURES 4 20 2 Stage Heating Cooling Wiring Diagram 4 2 2 Stage Heating Cooling Wiring Diagram 5 22 2 Stage Heating Heat Pump Wiring Diagram 6 23 2 Stage Heating Heat Pump Wiring Diagram 6 24 X 13 motor
37. ature heating element failure Upflow Accessory Filter Box Kit Accessory filter box kit can be used on the return air end of the air handler when configured in the upflow position The filter kit is placed over the return plenum in the floor and sealed to the plenum using sealant or caulking material and or tape The Air Handler is placed on top of the return filter box and the return opening sealed to prevent leaks MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 6 Accessory filter box kit can be used on the return air end of air handler when configured in the downflow position in place of a wall door or ceiling mounted return filter grille NOTE Make sure the flow arrow on the air filter is pointing towards the coil ADJUSTMENT KTHOB ADJUSTMENT KNOB FOR 1 OR 2 FILTER FOR 1 OR 2 FILTER 7 Figure 6 Accessory Filter Box for 1 or 2 Filters Filter Size Adjustment knob is on both sides SECTION IV FURNACE amp SUPPLY AIR DUCT INSTALLATION AIRFLOW CONFIGURATION Unit 1s shipped from the factory arranged to be installed in an upflow or horizontal right to left air flow position Horizontal right to left means when facing the front of the unit when the unit is laid on its side the supply air opening 15 to the left and the return opening is to the right These models are field convertible to a horizontal left to right air flow position UPFLOW APPLICATION In an upflow instal
38. bustible Floor Base MUST BE USED when the unit is being installed on combustible flooring The unit cannot be installed on carpeting Failure to use the combustible floor base combustible flooring or installing the unit on carpeting could result in a fire causing personnel injury property damage or loss of life Before installing the combustible floor base make sure that there is aminimum of R 12 insulation between the sheet metal and any wood or combustible flooring Refer to Figure 7 for typical combustible floor base installation MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 7 FLOOR BASE FOLD OVER TABS DUCT CONNECTOR 14 1 8 X 14 1 8 FLOOR CUTOUT 11 X 12 DUCT CUTOUT MAIN TRUNK Figure 7 Combustible Floor Base Installation SECTION V FURNACE INSTALLATION Installing the Air Handler Closet Installation Prior to installing the furnace make sure the holes are cut into the floor for the refrigerant tubing the drain line the electrical wiring the thermostat wiring and the condenser control wiring 1 Remove the top shipping cover and corner posts 2 Remove the bottom shipping cover 3 Remove the blower and control box access panel door 4 Place the unit into position using one of the following choices A Ifthe Combustible Floor Base is used you slide the unit on to the combustible floor base until the unit is touching the flanges on the back of the floor base B Ifthe Co
39. cal codes for additional requirements concerning supply circuit wiring Electrical data can be found in Table 18 IMPORTANT installation on field wiring must be rated at 60 or higher Please refer to the wiring diagrams on furnace or the tables this manual for more information The 15kW 20kW models may be connected to a single dual branch circuit IMPORTANT Refer to the NEC National Electrical Code NFPA 70 or the Canadian Electrical Code Part I CSA C22 1 and local codes for wiring material requirements X 13 CTM Table 12 Wiring Requirements 120 VAC Hydronic 18 36 Models Single Branch Circuit 15kW and 20kW Two Stage models may have a dual or single power supply single power supply will require circuit breaker jumper bar or a jumper wire Refer to the National Electrical Code Table 250 95 for Non Sheathed Conductor Ground Wire Ground conductor must be the same size and temperature rating as the other conductors listed in Table 12 Model Series MM MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 12 6 31 14 Minimum Wire Size 75 C Minimum Wire Size 60 C Ground Wire Size Minimum Wire Size 75 C 14 Minimum Wire Size 60 14 Ground Wire Size Table 13 Wiring Requirements 120 VAC Hydronic 37 60KBTU Models Single Branch Circuit 15kW and 20kW Two Stage models may have a dual or single power supply sing
40. ces to Combustibles fo BACK OF UNIT Figure 4 Closet Clearances Return Air In order for the air handler to work properly a closet or alcove must have a certain total free area opening for the return air For Air Handlers with a 1 3 HP Blower Motor On MMVE MMVT MMPS 18 and 24 models e Minimum 200 in free area opening e Use Return Grille or Coil Cabinet For Air Handlers with a 1 2 HP Blower Motors On MMVT MMPS 25 30 and 36 models e Minimum 250 in free area opening e Use Return Grille A C Coil Cabinet or any return grille with a minimum 250 112 free area opening For Air Handlers with Electric Heat that use a 3 4 HP Blower Motor On MMVT MMPS 37 42 48 and 60 models e Minimum 390 in free area opening e Use Return Grille or A C Coil Cabinet or any return grille with a minimum 390 in free area opening For Air Handlers with Hydronic Heat that use a 1 0 HP Blower Motor On MMVE 37 42 48 and 60 models Minimum 390 in free area opening e Use Return Grille or A C Coil Cabinet or any return grille with a minimum 390 in free area opening For Air Handlers with hydronic heat that use a 3 4 HP Blower Motor On MMPS 37 42 48 and 60 models Minimum 390 in free area opening e Use Return Grille or A C Coil Cabinet or any return grille with a minimum 390 in free area opening For Air Handlers that use a 1 0 HP Blower Motor On MMVE MMVT 72 models Minimum 430 in free are
41. d check connections for leaks To insure complete manufacturer to be held libel for any water damage in filling of the system follow start up procedure connection with this air handler After piping has been installed allow the system to fill with Total hot water piping should not exceed 140 feet hot water piping to the coil should be 3 4 inch ID 7 8 inch OD copper CPVC piping may be used in applications where the water When system requires water at temperatures higher than required for other uses a means such as a mixing valve temperature does not exceed 150 F It is recommended a water shall be installed to temper water for those uses in order isolation valve and a union be placed in the water lines to and AN to reduce scald hazard potential from the coil near the coil for serviceability repair or replacement of the coil A thermal expansion tank is recommended on any closed loop system to relieve thermal expansion due to pressure increase MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 11 SECTION VII LINE VOLTAGE WIRING Power Supply Wiring The unit internal wiring is complete except for the power supply and the thermostat wires See wiring diagram and or Tables 12 thru 17 for wire size fuse circuit breaker size and ground wire sizes The use of cable connectors on incoming power supply wires to relieve any strain on wiring is recommended Follow the steps below to
42. e potential for personal injury e Standard for the Installation of Warm Air heating and Understand and pay particular attention to the signal words Air Conditioning Systems NFPA 90B DANGER WARNING or CAUTION e National Electrical Code NFPA 70 e Canadian Electrical Code Part I CSA C22 2 or ANSI NFPA No 70 e All local codes State City and Township NOTE applicable codes take precedence over any recommendation made in these instructions SunTherm assumes no responsibility for units installed in violation of any code or regulation DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION indicated a potentially hazardous situation which if not avoided may result in minor or moderate injury It is also used to alert against unsafe practices and hazards involving property damage AWARNING Improper installation may create a condition where the 1 Refer to the unit rating plate for the air handler model number and then see the dimensions page of this instruction for return air plenum dimensions Figures 1 and 2 The plenum must be installed according to the above listed codes or the instructions in this manual 2 Refer to the dimensions page of this instruction for the duct connector and combustible floor base dimensions shown in
43. e the thermostat wire cable 5 next to low voltage pigtails Secure thermostat wire cable with a strain relief to prevent wire connections from being pulled apart 6 Connect the Red 24 VAC supply thermostat wire to the Red low voltage pigtail wire and secure with a wire nut 6 7 Connect the White First stage heating thermostat wire to the White low voltage pigtail wire and secure with a wire nut 6 Connect the Green Indoor fan thermostat wire to the Green low voltage pigtail wire and secure with a wire nut 7 9 Connect the Yellow Air conditioning wire from thermostat with the Yellow low voltage pigtail wire on the air handler and with the Red wire from the compressor contactor on the condenser unit Fasten the three wires together securely with a wire nut 8 10 Connect Grey 24 VAC Common wire from thermostat with the Grey low voltage pigtail wire on the air handler and with the Grey Common wire from the 9 compressor contactor on the outdoor unit Fasten the three wires together securely with a wire nut 11 Connect the Brown 2 stage heating thermostat wire to 10 the brown low voltage pigtail wire and secure with a wire nut 12 Ifa two stage outdoor unit is used then connect W2 wire from the outdoor unit to the brown wires discussed in step 11 and secure with a wire nut 11 NOTE If single stage thermostat is used on a two stage air handler connect the black and the white air handl
44. er pigtail wires and the white thermostat wire together then secure all three wires with a wire nut 12 Remove the control box cover Install a grommet or a strain relief in the 9 16 diameter hole on the top and the right side of the air handler casing to protect the thermostat wire cable Strip 2 of the insulation on the end of each wire Insert the wire cable from the thermostat thru the 9 16 hole into the control box and place the thermostat wire cable next to the low voltage pigtails Secure the thermostat wire cable with a strain relief to prevent wire connections from being pulled apart Connect the Red 24 VAC supply wire from the thermostat to the Red low voltage pigtail wire on the air handler and with the Red wire from the R terminal on the outdoor unit Fasten the three wires together securely with a wire nut Connect the White first stage heating wire from the thermostat to the White low voltage pigtail wire on the air handler and the White wire from the E terminal on the outdoor unit Fasten the three wires together securely with a wire nut Connect the Green indoor fan wire from the thermostat to the Green low voltage pigtail wire on the air handler and securely fasten the two wires together with a wire nut Connect the Red wire from the Y terminal on the outdoor unit Fasten the three wires together securely with a wire nut Connect the Grey 24 VAC Common wire from the thermostat with the Grey low
45. er Amps 208 240 VA 18 0 20 8 kW Heater Amps 208 240 VA 36 1 41 7 ndoor Blower Amps 3 60 s 10 a5 205 ee 10 1 38 1 41 7 36 1 41 7 OJO D D x 0 15 ircuit 2 2 B 4 gt ircuit Load FLA 230 VAC A 20 8 45 4 41 7 20 8 45 3 41 10 6 6 8 4 6 10 6 6 10 6 6 10 6 6 8 6 6 10 6 6 Minimum Wire Size 75 C Ground Wire Size _______ Max Fuse Amps 7 35 60 60 60 60 35 70 70 70 60 35 60 60 60 60 35 60 60 30 60 60 Table 17 Wiring Requirements 208 240 VAC Electric Heat 37 72 Models Dual Branch Circuit 15kW and 20kW Two Stage models may have a dual or single power supply Single power supply may require jumper bar or a jumper wire Refer to the National Electrical Code Table 250 95 for Non Sheathed Conductor Ground Wire Ground conductor must be the same size and temperature rating as the other conductors listed in Table 17 Model Series MM 0 D N D O 58 s 5 ELECTRIC HEATER SIZES asovac 60 uz O 33 686 33 686 230 VAC 60 HZ 1 PH 9 78 9 78 14 736 3
46. ins Rigid piping reduces the effectiveness of vibration isolators Coil water pipes must be adequately vented in order to prevent air binding Units are provided with manual air vents mounted through the manifold panel If a residential water heater is used for space heating water do not exceed a distance of 70 between the air handler and the water heater The water heater should be the quick recovery type Air handler and water heater must be located indoors and not subject to freezing temperatures 500 MM 18 600 0 0 W O MM 18 IN 0 FM 500 700 MM 24 OIA GC 02 GY APO 0 O 0 OF O A LAT LWT APD WPD erun 7 _ oF rue qr oF NIN P NPN p 1 Cn No A Gn Po 00 cn Po Table 6 Hot Water Capacity Boiler Loop 65 F EAT 180 F EWT 20 F At No Pump Small Cabinet 1 5 and 2 0 Ton MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 8 MODEL MM 25 1000 1200 MM 3O 1000 1200 1000 1200 6 LAT LWT APD W P D O Ue we 3 08 0 07 0 00 0 11 3 12 0 18 5 53 0 10 6 06 0 16 0 88 0 20 4 16 0 15 7 16 0 24 3 14 0 29 1 IN 0 O oF 2 78 0 14 0 16 1 01 0 23 0 50 0 21 5
47. inspection by the carrier s agent should be made in writing Before installing the air handler you should check the cabinet for screws or bolts which may have loosened in transit There are no shipping or spacer brackets which need to be removed before startup See local Distributor for more information Mortex Products Inc assumes no liability for freight damage Also check to be sure all accessories such as heater kits and coils are available Installation of these accessories should be accomplished before the air handler 15 set in place or the connecting of the wiring electric heat ducts or piping Electric Heat Input KW M 18 24 MM 25 30 36 MM 37 42 48 60 NINI 72 5 10 15 20 5 10 15 5 10 15 20 Models Hot Water Coil Rows Blower Size Heat D x WV Unit Voltage Max External SP Duct In W Thermostat Circuit 240V Hz 1 PH O 50 24 Hz Hydronic Heat Table 1 Air Handler Model Specifications Available Blower Motors MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 1 Standard Blower Motor VAR SPD ECM MOTOR 2 Optional Blower Motor 3 SPD PSC MOTOR 3 Optional Blower Motor 5 SPD X 13 MOTOR M 18 24 MM 37 42 48 60 115V 1PH 7 5 MM 72 2 3 4 12 X10 2 3 4 Page 3 DIMENSIONAL DATA MODULAR ELECTRIC HEAT FRONT RIGHT SIDE LEFT SIDE IS MIRROR IMAGE BOTTOM Figure 1 DIMENSIONAL DATA MODULA
48. lation the discharge outlet 15 at the top Normal upflow installation will be in a closet or basement If installed in a closet the closet should have a platform framed in that with an opening at the top of the platform centered in the closet that measure at least 12 inches in height A filter frame and filter can be used that covers the opening and is sealed to prevent air by passing the filter A filter grille can be used that is located as described in RETURN AIR REQUIREMENTS The minimum filter size is shown in the table below Standard Throw away Air Filter 9 300 ft min or less 800 CFM 220x20x1 1000 20 x 25 x 1 1200 20 x 30 x 1 1400 CFM 25 x 30 x 1 1600 CFM 25 x 30 x 1 1800 CFM 30 x 30 x 1 2000 CFM 30 x 40 x or two 30 x 20 x 1 2400 CFM 30 x 40 x or two 30 x 20 x 1 Pleated Air Filter 500 ft min or less 800 16 x 16x 1 1000 CFM 18 x 20 x 1 1200 CFM 20 x 20 x 1 1400 CFM 20 x 20 x 1 1600 CFM 20 x 25 x 1 1800 20 x 30 x 1 or two 20 x 15 x 1 2000 20 x 30 x 1 or two 20 x 15 x 1 2400 25 x 30 x 1 or two 14 x 30x 1 Pleated filters are not recommended for use with PSC Motors The other option is to use the SunTherm Filter Base Accessory Kit This filter base is placed on the closet floor and secured with screws The unit is placed on top of the filter base and secured to the base with screws Use seal strip tape or calking to seal between the unit
49. le power supply will require circuit breaker jumper bar or a jumper wire Refer to the National Electrical Code Table 250 95 for Non Sheathed Conductor Ground Wire Ground conductor must be the same size and temperature rating as the other conductors listed in Table 13 Model Series MM AIR HANDLER MODELS Heater kW IP 10 6 10 6 10 6 10 6 3 10 6 4 10 6 3 Minimum Wire Size 75 C 10 6 10 6 10 6 10 6 3 10 6 4 410 6 3 Minimum Wire ize teo so wa 2 mo 2 amps 60 so 60 60 90_ Table 14 Wiring Requirements 208 230 VAC Electric Heat 18 36 Models Single Branch Circuit 15kW and 20kW Two Stage models may have a dual or single power supply single power supply will require circuit breaker jumper bar or a jumper wire Refer to the National Electrical Code Table 250 95 for Non Sheathed Conductor Ground Wire Ground conductor must be the same size and temperature rating as the other conductors listed in Table 14 Model Series MM 5 kW Heater Amps 208 240 O KW Heater Amps 208 240 PSC 10 4 2 N A 8 4 2 10 4 2 10 4 2 10 4 2 Max Fuse Am
50. mbustible Floor Base is not used you slide the unit over the duct opening until the opening in the unit lines up with the duct opening in the floor Secure the unit by one of the two choices A If the Combustible Floor Base is used you secure the furnace to the floor by drilling two holes through the furnace base and the floor base at the right and left front inside corners of the cabinet Use two screws to secure the furnace to the floor Hot Water Piping B Ifthe Combustible Floor Base is not used you secure the unit to the floor by drilling two holes through the furnace base at the left and right front inside corners of the cabinet Use two screws to secure the unit to the floor 6 Usecalking sealers and or tape to seal between the combustible floor base and the opening on the unit or between the opening on the unit and the duct in the floor 7 Connect the electrical supply wires and the thermostat control wires in the control box 6 Re install the blower and control box access panel door and secure with the screws that were removed in step 2 9 Turn the power on to the unit by following the procedure in the Users Information Manual 10 Set the thermostat to the desired temperature SECTION VI HYDRONIC HEATING Water Piping All piping must be supported independent of coils to prevent vibration and stress on coil headers Swing joints or flexible fitings must be provided to absorb expansion and contraction stra
51. minal 6 and connecting either the blue orange or purple wire to the terminal Table 23 shows the X 13 motor lead connection labeling and the connection definitions Low Speed Tap 24 VAC Input Medium Low Speed Tap 24 VAC Inpu Medi Supply Voltage 240 Vac Line 2 edium Speed Tap 24 VAC Input 5 High Speed Tap 24 VAC Input Table 23 X 13 Motor Terminal Connections Total 24 VAC circuit amps are 0 14 amps Change Motor Speeds X 13 Motor 1 Turn off all electrical supply circuits to the air handler at the main service House Circuit Breaker panel 2 Remove the blower door and switch furnace circuit breaker s to OFF 3 Disconnect the wire from the isolation relay terminal and reconnect the desired wire to the terminal Here is the X 13 motor speed tap wire color code Black wire is High Speed Orange wire is Medium High Speed Blue wire is Medium Speed Purple wire is Medium Low Speed and Red wire is Low Speed 4 Turn circuit breakers on and reinstall air handler blower door 5 Turnon allelectrical supply circuits to the air handler at the main service House Circuit Breaker panel 6 Setthe thermostat to the desired temperature zm 2 Figure 24 X 13 Motor Terminals Replacing the X 13 ECM 3 4 HP PSC and 1 HP PSC Blower Motor 1 Turn off all electrical supply circuits to air handler at the main service panel 2 Remove air handler blower door and switch the
52. mpletes its cycle then cold by the time the furnace cycles on again The heat anticipator should be set to the following settings For 5kW 10kW 15kW 20 kW Models Set at 0 4 SECTION WIRING DIAGRAMS LADDER DIAGRAM SCHEMATIC DIAGRAM 55 BLK BLACK LU BLU _ m oo omo STITT COIL 60 2 WHT LEGEND BLK Es TR TRANSFORMER T OO CONTROL BOARD ORN CC COMPRESSOR CONTACTOR rer BRN GND GROUND CONNECTION RVS COIL PL 6 PIN MOLEX PLUG ASSEMBLY EEN RVS REVERSING VALVE SOLENOID COM ECM MOTOR COMMUMICATION CABLE Figure 29 MMVE 18 72 ECM 2 3 0 kW Heater MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 ap D DELAY COMMUNICATION CABLE 240 VAC POWER CABLE o 9 THERMOSTAT PIGTAIL lt lt OE MSVE 18 72 ECM 2 3 NO HEATER 61CC2000 D Page 25 SCHEMATIC DIAGRAM LADDER DIAGRAM DLS 1 1 o gt 2 1 12 RED WHT e ae ____ GRN H i RO 1 A lt 4 1 60 B GND RED LEGAND CB CIRCUIT BREAKER FIELD INSTALLED ELECTRIC HEAT KIT HR HFAT RELAY 5 BLEHKO5B GND GROUND MSVE
53. notice 61BA0016 Copyright by Mortex Products Inc 2011 Supersedes MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 29
54. ock Be sure to turn the electrical power OFF Follow the instructions in the USERS INFORMATION at the main entrance Home Circuit Breaker Box and at the MANUAL to properly shut down the air handler control box circuit breakers before removing the front 2 Remove the block off plate shown in Figure 9 and discard Retain the screws they will be used to secure the electric heater mount plate Insert electric heat kit into the opening where the block off plate was removed Secure the mounting plate with the screws that were removed from the block off plate 4 Connect the six pin male plug on the electric heater assembly to the six pin female plug mounted on the side of the low voltage control box divider panel 5 Remove the wiring diagram from the kit remove the paper that covers the adhesive back and place the electric heat wiring diagram over the wiring diagram located on the blower housing Follow the instructions in the USERS INFORMATION MANUAL to properly start up the air handler CAUTION To prevent damage carefully insert the electric heating panel Refer to Figure 13 for drawing of the front panel circuit breaker location 3 assembly through rectangular opening in front of discharge opening so the heat element support rod is seated into the hole on the back side of the discharge opening Figure 13 Circuit Breaker Front Panel Location MORTEX PRODUCTS INC 501 TERMINAL RD FOR
55. oor seo iwo 1006 1200 0 12 1400 42 880 0 15 1000 53 890 0 13 MM 37 1200 45 010 52 290 59 640 0 18 1400 64 590 0 23 1000 47 090 54 620 62 190 0 17 1200 0 23 1400 0 31 1200 0 12 1400 0 15 1600 39 050 45 470 51 970 0 19 1200 0 18 MM 42 1400 48 690 56 600 64 590 72 660 0 23 1600 77 550 0 29 1200 0 23 1400 57 220 66 440 75 750 85 130 0 31 1600 0 89 1400 36 840 55 140 0 15 1600 0 19 1800 41 010 47 770 61 550 0 24 1400 2 66 0 23 1600 7 0 29 1800 54 710 63 670 0 36 1400 7 22 0 31 1600 1 31 1 230 0 39 3 1 64 240 0 45 2400 38 00 45 300 52 600 60 000 67 500 0 67 2000 47 960 57 220 66 610 76 110 85 710 0 67 72 2200 0 79 2400 0 92 2000 101 710 0 89 2200 1 05 2400 61 500 73 000 84 800 1 22 Table 11 Hot Water Capacity with Factory Pump 65 F EAT Stated EWT Large Cabinet 3 0 3 5 4 0 amp 5 0 Toxic chemicals used for treatment of boilers or non Air handler must be located so that if any connections should leak water will not cause damage to the adjacent area When such locations can t be avoided a suitable drain potable water heating appliances shall never be introduced into a potable water space heating system pan should be installed under the air handler not over 1 1 2 deep with minimum length and width at least 2 greater than the air handler dimensions and connected to an adequate drain Under no circumstances is the water an
56. ously installed nothing will need to change on the low voltage wiring If this is a new installation refer to SECTION VII on page 19 of these instructions Heatin cupo 240 Volts 1 P Voltage 208 240V AC 1PH 60 HZ 05 5 10 10 kW 15 15 kW 20 20 kW HK Electric Heat Kit Table 20 Accessory Heater kit Nomenclature SECTION THERMOSTAT WIRING AND CONNECTIONS Thermostat Wiring Thermostat wires connect through side of furnace and should be no smaller than 22 gauge Refer to Table 21 for recommended wire gauge lengths and maximum current for each wire gauge Wire Length Gauge Maximum Current 2 2 0 100 22 3 0 2 0 125 Feet 0 250 Feet Table 21 Low Voltage Wire Gauge and Max Lengths Thermostat wires can enter through the side or top of the unit When bringing wiring through the top or side of the furnace cable connectors must be installed to hold wiring in place and to relieve any strain on the wiring The use of a five conductor cable from the thermostat to the furnace is recommended for typical heating or heating cooling installations with a two or three conductor cable from the furnace to the condenser The typical heating cooling connections are listed Tables 16 17 20 and 21 A seven conductor cable from the thermostat to the furnace is recommended for a typical heat pump installation with a five conductor cable from the furnace to the condenser The
57. ps 30 60 90 110 35 60 90 125 35 70 90 125 35 60 90 125 35 60 90 125 Table 15 Wiring Requirements 208 240 VAC Electric Heat 37 60 kBTU Models Single Branch Circuit 15kW and 20kW Two Stage models may have a dual or single power supply Single power supply may require jumper bar or a jumper wire Refer to the National Electrical Code Table 250 95 for Non Sheathed Conductor Ground Wire Ground conductor must be the same size and temperature rating as the other conductors listed in Table 15 Model Series MM MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 13 VT 25 30 36 VE37 42 48 60 18 0 20 88 36 1 41 66 38 1 41 7 38 1 41 7 382 417 _ 18 208 N A PSC 1 Ground Wire Size 60 60 60 60 60 Table 16 Wiring Requirements 208 240 VAC Electric Heat 25 60 Models Dual Branch Circuit 15kW and 20kW Two Stage models may have a dual or single power supply Single power supply may require jumper bar or a jumper wire Refer to the National Electrical Code Table 250 95 for Non Sheathed Conductor Ground Wire Ground conductor must be the same size and temperature rating as the other conductors listed in Table 16 Model Series MM PS37 42 48 60 kW Heater Amps 208 240 VAC 18 0 20 88 kW Heater Amps 208 240 VAC 36 1 41 66 ircuit Number 1 5 kW Heat
58. ration XX Motor Program Code XX Pre Painted Grey Top amp Front Embossed Galvanized XX Standard Coil 1 Insulation A 120 VAC 1 PH 60 HZ B 208 230 VAC 1 PH 60 HZ Contact factory For Other Voltage Availibility 86ET0002 16 X 20 X 2 Small Cabinet 86ET0001 20 X 20 X 2 Medium Cabinet 86ET0003 20 X 24 X 2 Large Cabinet SECTION CLEARANCE AND RETURN AIR REQUIREMENTS LOCATION Access for servicing is an important factor in the location of any air handler Provide a minimum of 30 inches in front of the appliance for access to the control box heating elements water pump blower and air filters This access may be provided by a closet door or by locating the appliance so that a wall or partition is not less than 30 inches from the front access Panel Location is usually predetermined Check with owner s or dealer s installation plans If location has not been decided consider the following in choosing a suitable location 1 Select a location with adequate structural support space for service access clearance for return and supply duct connections 2 Normal operating sound levels may be objectionable if the air handler is placed directly over or under some rooms such as bedrooms study etc 3 Caution should be taken to locate the unit so that supply and return air ducts are about the same length causing even air distribution of supply and return air to and from the living space
59. round Lug ED GRN I VALVE BOILER nepegnize component Supply Voltage Terminal Block 1 ___ 5 cle CERE M WRES COND Control Box WIRING DIAGRAM COVERS ECM 1 3 HP MOTORS ECM 1 2 HP MOTORS ECM 3 4 HP MOTORS HUM HUMIDIST AT CLO COMPRESSOR LOCKOUT 61CCMVO3 Figure 36 MMVE 18 36 ECM 2 3 Hydronic Heat No Pump or Choke 16 WIRE CABLE Blower Motor Chock R Com RED SP RED EE a 35 021 EP BREEN SFFON ECM Motor Control Board Ground Lug cbse JANE ID Bones Rebognizeldd Component Supply Voltage Terminal Block os 2 Hu 3 JO AH 1 LUE jns Ze i loool vile A U2 J R PIGTAIL WIRES Control Box LEGAN PURP PURPLE GRY GRY GREY WIRING DIAGRAM COVERS YEL YELLOW GRN GREEN ECM 1 0 HP MOTORS BRN BROWN BLK BLACK PNK HUM HUMIDISTAT CLO COMPRESSOR LOCKOUT 61CCMV04 Figure 37 MMVE 37 72 ECM 2 3 Hydronic Heat with Choke No Pump Subject to change without
60. s 4 Locate appliance where electrical supply wiring can be easily routed to main electrical panel and where electrical wiring will not be damaged 5 Locate appliance where thermostat wiring can be easily routed to the thermostat and where the wiring will not be damaged 6 Some states cities and counties require additional insulation to be installed on the exterior casing of the air handler to prevent sweating Refer to the state city county or local code for insulation requirement to be sure the installation is in compliance It is recommended that air handlers installed in non conditioned spaces be insulated on the exterior of the entire cabinet including the front access panel with one 1 inch thick fiberglass with the vapor barrier on the outside Appliance Clearances This appliance is approved for zero 0 inches clearance to combustible material on any part of the air handler exterior casing and the inlet or outlet ducts providing NO electric heater is being used There is a one 1 inch clearance on the supply plenum and supply air duct when an electric heater is installed in the appliance Refer to Table 5 for clearance to combustibles information Figure 3 Clearance Access for Service MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 5 FRONT OF FURNACE MODE TOP Terum BACK BACK dn SIDES SIDES Gn ALCOVE aoe in CLOSET SLOSET in DUCT Table 5 Clearan
61. s are in the envelope accompanying the thermostat Give the envelope to the home owner CAUTION Do not locate thermostat within three feet of any of the following items Furnace supply air registers Cooling unit supply air registers Lights or heat lamps Aquariums Televisions stereo amplifiers surround sound systems Stoves or any cooking appliance Refrigerator Washer and or dryer Hot water tank 10 Sink or near any hot water 11 Within 15 feet of any electric space heater 12 Within two feet of any sunlight 1 2 3 4 5 6 y 8 Separate Heating and Cooling System Same Thermostat If the furnace and the cooling unit have separate transformers be sure to use a thermostat with isolated heating and cooling contacts and to prevent interconnection of Class II 24 Volt Systems Refer to Figures 16 thru 23 Cycle furnace and the air conditioner separately to make sure it will operate correctly Most new thermostats have separate heating and cooling contacts for use with homes that have a air handler and air conditioner that are completely separate and each have a 24 VAC transformer for system control These thermostats have a terminal for cooling and a terminal for heating Connect the cooling unit red wire from the R terminal on the outdoor unit to the RC terminal on the thermostat and the RED air handler pigtail wire to the terminal on the thermostat Refer
62. s before attempting any service or maintenance operations Homeowners should never attempt to perform any maintenance which requires opening the air handler control box door 208 240 1 Table 19 Electric Heater Kit Model Numbers NOTE The field installed electric heater kits with no circuit breakers will not be available for purchase after January 1 2012 The UL1995 safety standard governing electric heaters and circuit breakers on air handlers 15 requiring the use of circuit breakers on all electric heaters after January 1 2012 5 60 10 60 5 60 10 __6 5 60 20 __ 6 5 60 10 60 15 60 20 The models are are configured as follows Small cabinet VE18 24 VT 18 24 PS 18 24 Medium cabinet VE25 30 36 VT25 30 36 PS25 Figure 12 Control Box Circuit Breaker Location 30 36 Large cabinet VE37 42 48 60 72 VT37 42 48 60 72 PS37 42 48 60 72 A WARN The field installed electric heat accessories are used on cooling aa or heat pump models that were not purchased with electric heat This air handler is not equipped with a shield that covers the from the factory Each air handler model is approved for use line voltage electrical supply wires and the circuit breaker with the field installed accessory electric heat kit connections Take precautions to prevent accidental INSTALLING THE HEATERS electrical sh
63. se the blower motor speed by 10 to 12 from the HEAT or COOL setting Placing the jumper in normal will allow no increase or decrease the motor speed The setting will increase the motor speed by 10 to 12 above the HEAT or COOL setting The setting will decrease the motor speed by 10 to 12 below the HEAT or COOL setting A WARNING The test setting on the ADJUST jumper pins must not be used except for trouble shooting to determine if the blower operates The test setting allows the motor to run only at 70 of normal operation and bypasses any delays The PROFILES jumper pins are used for blower motor on and off delays See Climate Profiles in the back of the SERVICE AND MAINTENANCE MANUAL of these instructions to determine the proper setting for the climate in your area 4 Turn the circuit breakers and reinstall air handler blower door 5 Turn on all electrical supply circuits to the air handler at the rm main service House Circuit Breaker panel ND SERENA 6 Setthe thermostat to the desired temperature Figure 27 ECM Motor Control Pin out Pin Number 10 Humidistat BK 11 Heat Tap Select 12 24 VAC R 13 2 Stage Heat EM W2 14 27 Stage Cool Y Y2 15 Fan 16 Output Table 24 ECM Motor Control Connector Terminal Descriptions MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Change Motor Speeds PSC Motor 1 Turn off all electrical supply circuits to
64. ter clockwise Loosen the wheel set screw until the shaft can spin freely 360 while inside the wheel hub The wheel set screw 15 located on the wheel hub on the opposite side of the motor Remove the blower motor from the blower housing by removing the three 3 screws on the sides of the housing that secure the blower to the housing Place the motor into the housing so the mount leg holes line up with the rivet nuts in the housing Place the three 3 screws into the mount leg holes and tighten until the mount legs are securely fastened to the housing Center the blower wheel in the housing turn the motor shaft so the wheel set screw 15 located on the center of the flat spot of the shaft and tighten the set screw Connect the same two wires that were removed in step 3 Slide the blower assembly into the blower deck and insert the screws on the right and left sides of the mounting bracket Switch the circuit breakers to ON and replace air handler blower door Turn on all electrical supply circuits to the furnace at the main service House Circuit Breaker panel Set the thermostat to the desired temperature SECTION XI FINAL SYSTEM CHECKOUT 1 2 MORTEX PRODUCTS INC 501 TERMINAL FORT WORTH TEXAS 76106 Refer to appropriate wiring diagram and recheck all wiring connections Ensure that all wiring connections are tight Check blower motor connectors to make sure they are not damaged or loose If the control box cover was
65. to Figures 16 thru 23 for typical low voltage wire connections If you have separate furnace and air conditioner with separate transformers and your thermostat does not have the and terminals it is recommended that you purchase a new thermostat If the furnace and air conditioner are both connected to the thermostat terminal it can cause transformer burnout or it can cause either the furnace or air conditioner control system to go into lockout Separate Heating and Cooling Units Separate Thermostats If the heating cooling system in your house is a central heating and cooling system but the furnace and the cooling unit are controlled by separate thermostats then the use of a thermostat interlock switch is required in order to prevent the furnace and the air conditioner from operating at the same time CAUTION When using separate thermostats a thermostat interlock system must be provided to prevent simultaneous operation of the furnace and air conditioner Simultaneous operation can result in equipment overheating equipment damage and wasted energy Do Not connect the Yellow wire to the thermostat unless an outdoor unit 18 installed i 1 purpose eum mona Uie pem ieu sie P a Transformer Handler rot PN Transformet 1 24 1 11 oe 1 MEME HN E
66. ure the electrical characteristics match Failure to carefully read and follow all instructions in this manual can result in malfunction of the air handler death personal injury and or property damage Electric air handler shall be installed so the electrical components are protected from water Installing and servicing heating cooling equipment can be hazardous due to electrical components Only trained and qualified personnel should install repair or service heating cooling equipment Untrained service personnel can perform basic maintenance functions such as cleaning of exterior surfaces and replacing the air filters Observe all precautions in the manuals and on the attached labels when working on this appliance These instructions cover minimum requirements and conform to existing national standards and safety codes In some instances these instructions exceed certain local codes and ordinances especially those who have not kept up with changing home and or HUD construction practices These instructions are to be followed and are the minimum requirement for a safe installation The size of the unit should be based on an acceptable heat loss calculation for the structure ACCA Manual J or other approved methods may be used Check the rating plate and power supply to be sure that the electrical characteristics match The 115 VAC models use nominal 115 1 Phase 60 Hertz power supply DO NOT CONNECT THIS APPLIANCE TO A 50 HZ
67. voltage pigtail wire on the air handler and with the Grey Common wire from the terminal on the outdoor unit Fasten the three wires together securely with a wire nut Connect the Orange Reversing Valve Solenoid wire from the thermostat with the Orange wire from the terminal on the condenser unit Fasten the two wires together securely with a wire nut Connect the Brown 274 stage heating thermostat wire to the brown low voltage pigtail wire and secure with a wire nut MORTEX PRODUCTS INC 501 TERMINAL RD FORT WORTH TEXAS 76106 Page 21 13 If atwo stage outdoor unit is used then connect W2 wire from the outdoor unit to the brown wires discussed in step 12 and secure with a wire nut NOTE If single stage thermostat is used on a two stage air handler connect the brown and the white air handler pigtail wires and the white thermostat wire together then secure all three wires with a wire nut SECTION X MOTOR BLOWER AND FURNACE STARTUP SECTION To avoid personal injury or property damage make certain that the motor leads cannot come into contact with non insulated metal components of the unit Selecting the X 13 Blower Speed This furnace uses the new X 13 high efficiency motor This motor operates on 240 VAC The motor speed tap are 24 VAC 0 03 amps 60 Hz 1 PH The speed taps can be changed by removing the black wire from the isolation relay terminal 4 the red wire from the isolation relay ter

INSTALLATION MANUAL - NV ECO Vision Sales Inc.

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