installation and start-up instructions
Contents
1. 5 Seal any opening with mastic to prevent loss of conditioned air into attic space B Exhaust Air Venting 1 Apply a generous amount of mastic to roof surface and around hole cut for outdoor air duct to pass through See Fig 13 Lower duct down through hole in roof and ceiling and fasten flashing to roof with screws APPLY MASTIC TO SEAL ROOF CAP TO ROOF 15 IN DIAMETER HOLE SS ees Oy a Ca SS gee A95349 Fig 13 Outdoor Air Duct Installation 2 Apply additional mastic or sealant around flashing perim eter base to provide protection against rainwater leaking under flashing CAUTION Failure to properly seal flashing to roof will result in rainwater leaking into and damaging unit or home Proper sealing of roof vent is the responsibility of installer 3 Check fit where flexible duct passes through ceiling Seal any openings with foil type duct tape or caulking to prevent loss of conditioned air to attic or attic air leaking into home See Fig 14 N a ROOF CAP WY CPs er ROOF FLASHING TAPE APPLIED TO SEAL HOLE IN CEILING Pa CEILING A95350 Fig 14 Roof Cap Installation 4 Remove protective cover from top of unit and inspect fan housing to make sure no debris is in fan housing 5 Push insulation up on lower end of flexible duct Slip flexible duct onto round adapter duct on top of unit and secure duct to outdoor air exhaust with mastic or U L 181 tape NOTE An untaped or poorl2. Check to see if hole in ceiling around 14 in flex duct is sealed or taped for a tight fit Unit is secured to floor with 2 wood screws in groove under filter frame Condensate drain hose is below bottom board or piped to exterior of home Outdoor air intake is below bottom board and taped to bottom board so insulation or vapor barrier cannot be sucked into outdoor air intake Roof flashing caulked and secured to roof Thermostat is level packing pad removed if applicable and heat anticipator indicator is set to recommended value listed in Table 6 or 7 unless electronic thermostat is used Test run in heating cooling and emergency heat if applicable mode as follows a Set fan control to ON If fan runs return control to AUTO setting This verifies fan is working properly b Set system control from OFF to COOL Lower tempera ture selector to 50 or lower The compressor should energize and cool air should blow through registers Once cooling test is complete return system control to OFF setting Wait 5 minutes Printed in U S A 16 10 11 12 c Set system control to HEAT and raise temperature selector to 80 or higher On air conditioner models electric heat should energize On heat pump models compressor should energize Hot air should blow through registers d On heat pump models set system control to EM HEAT Emergency Heat Compressor should turn off and heat should cont
3. NOTE Any unused conductors of thermostat cable not required should be left unattached CAUTION Recheck wiring color code schedule to be A certain proper terminals are connected before applying power Improper wiring or installation may damage thermostat 2 VIII ENSURE ADEQUATE OUTDOOR AIR SUPPLY Outdoor air is pulled from underneath the home passed across the outdoor air coil then pushed out through the roof cap exhaust Since the outdoor air is pulled from beneath the home it is very important that the amount of ventilation panels or vents is adequate The underpinning vent panels or foundation vents are rated for the amount of air that passes through them in sq in of net free area Ensure that you have the correct amount of ventilation needed for unit being installed See Table 8 TABLE 8 VENTILATION REQUIREMENTS UNIT SIZE MINIMUM NET FREE OPEN AREA SQ IN IX CONSTRUCT OUTDOOR AIR TUNNEL IF RE QUIRED NOTE This is an OPTIONAL installation procedure to alleviate problems that may occur with your air conditioner or heat pump unit and various other appliances or ambient conditions A Determine if an Outdoor Air Tunnel is Required We recommend that this procedure be used for any one or a combination of the following conditions 1 A fireplace is installed and gets its fresh air from underneath structure Indication to use When conditioner or heat pump turns on smoke from fireplace back
4. S2 C Mount Wall Thermostat and Connect Thermostat Wires Determine the type of thermostat needed for unit application and follow instructions in the appropriate section below ROBERTSHAW AIR CONDITIONING THERMOSTAT 1 Remove cover friction fit from thermostat body by grip ping at top and bottom and lifting from subbase Use extreme care not to damage working parts 2 Remove subbase from thermostat body by loosening cap tive screws 3 Hold subbase level against wall in final thermostat location Mark wall with a pencil where screws will attach subbase to wall Use designated subbase mounting holes only 4 Set subbase aside and drill mounting holes in wall with 3 32 in drill bit 5 Route thermostat wires from hole in wall through opening in center of subbase 6 Attach thermostat subbase to wall using mounting screws and predrilled holes in wall NOTE Make sure white wire on thermostat subbase is connected to A2 terminal 7 Strip approximately 1 2 in of insulation off end of each wire Connect thermostat wires to appropriate thermostat screw terminals on subbase See Fig 18 CONTROL VOLTAGE TERMINAL THERMOSTAT STRIP FAN G GREEN G 24VAC HOT R RED R A95354 NOTE Connect only terminals shown to thermostat Fig 18 Air Conditioner Circuit Connections Robertshaw Thermostat 8 Push excess wire back into wall Se
5. in front of unit s intake grille a 2 in clearance is recommended between door and front of unit If louvers are installed in upper part of door so they are not directly in front of intake grill a minimum 7 in clearance is recommended between door and front of unit This also applies if a solid wall is used instead of a louvered door Should the louver be installed somewhere other than in front of unit for example to the side of unit consult your distributor before proceeding to obtain recommended clearances The recom mended minimum return air requirements to be used are shown in Table 2 TABLE 2 MINIMUM RETURN AIR REQUIREMENTS UNIT SIZE NET FREE OPEN AREA SQ IN 018 024 030 036 IV PREPARE FLOOR AND BASE A Install Installation Kit Installing installation kit requires a hole through floor of home approximately 18 1 2 in wide by 19 1 2 in deep to provide access from unit to supply duct trunk and outside air NOTE The diagrams show a typical installation The actual method of installation will be dictated by model and manufacturer of the home Installer will determine the best method to use 1 Construct a boxed in area of framework under unit location slightly larger than the 18 1 2 in by 19 1 2 in hole to provide adequate support for unit See Fig 8 FLOOR JOIST gee SUPPLY AIR DUCT A95343 Fig 8 Typical Framework Construction 2 Locate supply duct trunk so that it runs under fron
6. 20 25 30 35 40 45 50 or 55 Value should be OF for feature disabled 13 With an electronic thermostat such as this one it should not be necessary to change the factory default heat anticipation setting Consult thermostat Installation Instructions if heat anticipation must be adjusted 4 Use up and down buttons to change from OF to 1 of the available temperature choices Value will de pend on ambient temperature at which heat pump can no longer handle heating load NOTE Refer to Installation Instructions packaged with thermo stat for additional information 5 Press FAN button to exit configuration mode D Make Low Voltage Connections at Unit Attach thermostat wires to low voltage terminal block on left side of control box in locations indicated on label adjacent to terminal block or appropriate thermostat wiring diagram in these instruc tions b Programmable Model 1 Enter thermostat configuration mode by pressing and holding FAN button for approximately 10 sec The room temperature disappears and display should read Thermostat is now in configura tion mode NOTE If no button is pressed for 10 sec thermo stat will exit configuration mode and resume normal operation To re enter configuration mode FAN button must be pressed and held for 10 sec again Press COPY PREVIOUS DAY button to display current selection of OF 15 20 25 30 35 40 45 50 or 55 Value should be OF for feature disabled
7. AIR GRILLE 4 GRILLE OR SCREEN CONDENSATE DRAIN PIPE HOME SKIRTING OR FOUNDATION WALL Fig 27 Typical Outdoor Air Tunnel OUTDOOR AIR INTAKE ae DUCTBOARD WA 2 X 2 t TREATED GROUND LUMBER A95383 14 NET FREE AREA SEE VENTILATION REQUIREMENTS TABLE SIZES MAY VARY AS LONG AS THE MINIMUM NET FREE OPEN AREA INCLUDING GRILLE MEETS THE REQUIREMENTS LISTED IN VENTILATION REQUIREMENTS TABLE I AIR PLENUM TAPE AND OR i Ni W DUCT CAULK TAPE AND OR DRAIN PIPE CAULK JO OUTSIDE As NNECT T OUTSIDE DUCTBOARD apes GROUND ze TREATED LUMBER BACKFILL WITH DIRT FOR GOOD AIR SEAL BOTTOM BOARD N SEAL W DUCT Ww A95384 Fig 28 Drain Pipe Routing DO S AND DON TS 18 IN OFFSET ALLOWABLE MISALIGNMENT ROOFCAP ROOFCAP sK FLASHING PA FLASHING ATTIC AREA __ ATTIC AREA FLEX DUCT FLEX DUCT NOTE THE FLEX DUCT SHOULD BE A STRAIGHT RUN FROM UNIT TO ROOFCAP TYPICAL FRONT VIEW TYPICAL SIDE VIEW DO S TYPICAL FRONT VIEW TYPICAL SIDE VIEW DON TS A95359 Fig 29 Typical Installations 1995 BDP Co P O Box 70 Indianapolis IN 46206 FINAL CHECKLIST Make sure circuit breakers inside unit are in ON position
8. Air conditioning units require 4 or 5 conductor wire depending on type of thermostat being used Some thermostats require a C terminal connection for proper operation Heat pump units require 6 conductor wire A CAUTION Do not use thermostat wire with less than the recommended number of conductors CAUTION Failure to adhere to indoor air outdoor air and exhaust air requirements as listed in the following sections will void unit warranty lll SETUP A Indoor Air Duct Requirements The MA1A and MHIA units are designed to be installed in 1 of the following ways 1 Installed flush with the wall See Fig 4 2 Recessed behind a louvered door See Fig 5 3 Installed in a closet with 1 or 2 return air grilles See Fig 6 Refer to Installation of Unit Behind a Louvered Door or Enclosed in Closet section for grille sizes REMOVABLE WALL A PANEL FOR UNIT S SERVICE REMOVABLE TRIM Pann FOR UNIT S SERVICE DO NOT GLUE a a a A95339 Fig 4 Unit Installed with Front Exposed A95340 Fig 5 Unit Installed behind a Louvered Door B Indoor Supply Air Duct The MAIA and MHIA units are designed to operate at a given static pressure The duct system regardless of size must not exceed 0 3 in static pressure The design and construction of duct system must also provide adequate air distribution to ensure comfort levels through
9. The actual wiring installation to use depends on unit and electric heat requirements See Tables 3 and 4 The installer must follow NEC state and local codes Fig 17 Typical Wiring Installation 3 Disconnect wires from existing thermostat 1 at a time Be If installing new thermostat cable route as follows careful not to allow wires to fall back into wall ey 1 Drill hole for cable at location selected for thermostat 4 As each wire is disconnected record wire color and terminal marking 2 Remove front panel of unit 5 Discard or recycle old thermostat 3 Route thermostat cable from unit s compartment and pull NOTE Mercury is a hazardous waste and MUST be disposed of approximately 6 12 in of cable through hole drilled in wall properly for connection to thermostat terminals 6 If existing thermostat cable is acceptable for application 4 Strip outer casing off area of cable pulled through wall for See Table 5 proceed to Mount Wall Thermostat and 4 reater flexibility Connect Thermostat Wires section 8 y TABLE 5 REQUIRED THERMOSTAT CABLE TYPE NO OF CONDUCTORS REQUIRED WIRING REQUIRED CONNECTIONS DIAGRAM 18 GAGE Robertshaw TX400 42K G R Y W APPLICATION THERMOSTAT Air Conditioner TSTATPPNAC01 A R C W W1 Y Y2 G TSTATPPPACO1 A R C W W1 Y Y2 G Honeywell T841A1548 G R Y B W2 E Heat Pump TSTATPPNHP01 A R C W W1 Y Y2 G B S1 S2 TSTATPPPHPO1 A R G W W1 Y Y2 C B S1
10. USED Ws A95355 NOTE Terminals O L and W3 are not used on thermostat Fig 21 Heat Pump Circuit Connections Honeywell Thermostat 4 Remove thermostat cover and place base against wall in a near level position Fasten to wall by driving 2 of the screws provided with thermostat through slots in center of base and into wall See Fig 22 MOUNTING HOLE MOUNTING HOLE A95373 Fig 22 Thermostat Mounting Screw Location 5 Remove and discard foam shipping pad from inside ther mostat A CAUTION Failure to remove foam shipping pad will damage thermostat 6 Level thermostat with a level See Fig 23 Tighten 2 mounting screws then drive 2 remaining screws through holes in upper corners of base and into wall See Fig 23 NOTE Thermostat must be level for proper unit operation A95356 Fig 23 Leveling Thermostat 7 Set thermostat heat anticipator to appropriate value based on the heater size for unit being installed See Fig 24 and Table 7 8 Replace thermostat cover by hooking tabs on top lip of cover into slots in top retaining post and swinging cover down until it snaps over lower retaining post 9 Set outdoor thermostat to 50 F NOTE Refer to Installation Instructions packaged with thermo stat for additional information ELECTRONIC HEAT PUMP THERMOSTATS PROGRAMMABLE AND NON PROGRAMMABLE 1 Install Outdoor Temperature Senso
11. Use the up or down button to change from OFF to ON 5 Press FAN button to exit configuration mode NOTE Refer to electronic thermostat Installation Instructions for more information if needed MODEL AC CONTROL NON PROGRAMMABLE VOLTAGE ELECTRONIC TERMINAL THERMOSTAT STRIP 24 VAC HOT RE A95413 NOTE X terminal on control voltage terminal strip must be con nected to C terminal on thermostat for proper thermostat operation Fig 19 Air Conditioning Circuit Connections Non Programmable Electronic Thermostat b Programmable Model 1 Enter thermostat configuration mode by pressing and holding FAN button for approximately 10 sec The room temperature disappears and display should read Thermostat is now in configura tion mode NOTE If no button is pressed for 10 sec thermo stat will exit configuration mode and resume normal operation To re enter configuration mode FAN button must be pressed and held for 10 sec again 2 Press HOLD button to display current selection of OF off or ON on Factory default is OF for off 3 Use the up or down button to change from OF off to ON on 4 Wait 10 sec to exit configuration mode NOTE Refer to the electronic thermostat Installation Instructions for more information if needed 11 With an electronic thermostat such as this one it should not be necessary to change the factory default anticipation setting Consult thermostat Installation Instr
12. screws holding cover around breakers and remove it to gain access to wiring compartment See Fig 16 TABLE 3 COMPRESSOR ELECTRICAL DATA COMPRESSOR MINIMUM MAX WIRE MAX FUSE CIRCUIT WIRE LENGTH OR BREAKER AMPACITY SIZE FT t SIZE AMPS COMPRESSOR OUTDOOR FAN INDOOR FAN AMPS AMPS AMPS If wire is applied at ambient greater than 30 C 86 F consult Table 310 16 of the NEC ANSI NFPA 70 The ampacity of nonmetallic sheathed cable NM trade name ROMEX shall be that of 60 C 140 F conductors per the NEC ANSI NFPA 70 Article 336 30 If other than uncoated non plated 60 or 75 C 140 or 167 F insulation copper wire solid wire for 10 AWG and smaller stranded wire for larger than 10 AWG is used consult applicable tables of the NEC ANSI NFPA 70 i ee own is as measured 1 way along the wire path between the unit and the service panel for voltage drop not to exceed 2 ime delay fuse TABLE 4 ELECTRIC HEAT ELECTRICAL DATA USED ON 1ST CIRCUIT 2ND CIRCUIT Max Wire Length Ampacity Ft ELECTRIC HEATER Max Fuset KW Ampacity Size Amps Max Wire Length Ft t Max Fuset Size Amps 30 80 N A N A If wire is applied at ambient greater than 30 C 86 F consult Table 310 16 of the NEC ANSI NFPA 70 The ampacity of nonmetallic sheathed cable NM trade name ROMEX shall be that of 60 C 140 F conductors per the NEC AN
13. to identify unsafe practices which would result in minor personal injury or product and property damage WARNING Before installing or servicing system al ways turn off main power to system There may be more than 1 disconnect switch Turn off accessory heater power if applicable Electrical shock can cause personal injury or death INTRODUCTION The MAIA Air Conditioner and MH1A Heat Pump are UL Listed per Standard UL 1995 UL 559 for use in manufactured homes These units are available in the cooling sizes shown in Table 1 The MAIA and MHIA are single package units All components including outdoor coil compressor and refrigerant tubing are located in 1 single package The units are already piped charged and wired Refer to Fig 2 for basic unit dimensions INSTALLATION These units were designed for installation in manufactured homes but can be installed in a variety of other applications These instructions detail the method of installation for use in manufac tured housing or other similar applications Fig 3 illustrates a typical installation of this type Study this drawing prior to starting installation It may be helpful to refer back to this drawing during installation Consult your distributor and the Application Guide line document for details regarding other installation applications Il MA1A 18 1 12 95 Cancels New Fig 1 Model MA1A MH1A nee TABLE 1 UN
14. ING IT INTO PLACE TO AVOID DISTORTION OF FOAM SEAL A95347 Fig 11 Setting Unit on Base Template CAUTION Only minor movement is allowed when aligning holes in unit base with holes in template to prevent damage to foam air seal 2 Remove front grille of unit if necessary as shown in Fig 12 and make minor adjustments in location of unit if necessary to align screw holes in bottom rail of unit with screw holes in base template 3 The unit should be secured permanently to structure by driving 2 wood screws through mating holes in bottom rail of unit and base template into floor Tighten screws flush to foam seal Overtightening screws will tip unit forward on foam seal Do NOT use any other procedure to permanently secure unit to structure a TEMPORARILY COVER HOLE WHILE THE 15 IN CUTOUT IN THE CEILING AND ROOF ARE BEING MADE Oy ies SCREWS i NOTE SCREW HOLES IN BOTTOM RAIL OF UNIT MUST ALIGN WITH HOLES IN METAL BASE TEMPLATE A95348 Fig 12 Securing Unit to Floor 4 Cover unit top as shown in Fig 12 Cut a hole with a diameter of approximately 15 in through ceiling and roof directly over outdoor air exhaust If hole in roof and ceiling cannot be aligned directly over each other a small bend in the flexible duct may be required Acceptable misalignment of hole in ceiling and transition is a maximum of 2 in per each 12 in of flex duct in elevation up to a maximum of 6 in
15. IT SIZES AND AVAILABLE ELECTRIC HEAT UNIT SIZE BTUH COOLING AVAILABLE KW 0 5 10 0 5 10 0 5 10 15 0 5 10 15 20 I UNPACK UNIT AND INSPECT EQUIPMENT Remove unit from carton and inspect for any shipping damage Do not install a damaged unit Optional components used with unit may include a thermostat base and roof assembly kit fresh air kit or return air grille and air filter assembly Remove pallet by removing 4 bolts attaching pallet to base of unit CAUTION The condensate drain outlet protrudes from base of unit To avoid damage to floors and floor coverings unit must be transported on an appliance dolly Do not slide unit on floor Transport unit on appliance dolly from side or rear only Transporting unit from front will damage air intake grille and lower coil When setting unit onto base template unit may be carefully tilted from front by a hand truck 11 6 e 10 3 7 146 a 6 Ae 5 V4 al He 4 Ig i 10 1146 5347 _ Goo 1546 14 IN ROUND 4 BLOWER TOP BLOWER TOP SCHEME NO 1 SCHEME NO 2 f ER BES D we 1294 31 14 6 ee 1 1346 e 16 1346 9 34 Pi rene DRAIN i 5 Vo 1 Vogel 187 A95358 DIMENSIONS IN BLOWER TOP SCHEME Scheme No 2 Scheme No 2 Scheme No 1 Scheme No 1 UNIT SIZE Fig 2
16. SI NFPA 70 Article 336 30 If other than uncoated non plated 60 or 75 C 140 or 167 F insulation copper wire solid wire for 10 AWG and smaller stranded wire for larger than 10 AWG is used consult applicable tables of the NEC ANSI NFPA 70 t Time delay fuse Length shown is as measured 1 way along the wire path between the unit and the service panel for voltage drop not to exceed 2 N A Not Applicable CIRCUIT BREAKER BOX VII INSTALL WALL THERMOSTAT A General Information Select a location for thermostat about 5 ft above floor in an area CIRCUIT BREAKER where air circulation is good Preferably an interior wall near unit s COVER return air grille is the ideal location a Thermostat should not be mounted 2 e Close to a window or an outside wall or next to a door leading ee to the outside TZ e Where it may be affected by drafts or dead air spots behind doors or corners ae e Close to or in direct airflow from supply registers A e Exposed to direct radiant heat from sun lamps appliances or ee other temperature radiating objects which may cause a false A Pa i reading e NOTE Improper location of thermostat will cause poor operation of unit FRONT PANEL B Route Thermostat Cable A95352 i T ye All wiring for thermostat circuit must be No 18 AWG minimum Fig 16 Gaining Access to Wiring Compartment color coded thermostat cable and comply with NEC state and 2 Connect electrical l
17. Unit Reference Drawing ll ASSEMBLE SUPPLIES NEEDED FOR INSTALLATION The standard method of installation for units in manufactured homes is with accessory base and roof assembly kit NOTE If installing any other kit Installation Instructions will be furnished with kit In addition to items included in base and roof assembly kit the following items are required to install unit All sizes listed are suggested e Adhesive duct tape U L 181 aluminum or equivalent WARNING Incorrect type of duct tape may be a fire A hazard A failure to follow this warning could result in a fire or explosion and personal injury or death d OUTDOOR AIR EXHAUST THERMOSTAT WIRES FROM THERMOSTAT BLOCK PRIMARY ELECTRICAL SUPPLY CONNECTIONS PLENUM INDOOR SUPPLY DUCT CONDENSATE DRAIN HOSE PIPE TO OUTSIDE OF STRUCTURE A95338 NOTE If a door is used to enclose unit refer to Installation of Unit Behind a Louvered Door or Enclosed in Closet in Setup section Fig 3 Typical Installation e 8 No 10 X 1 2 rust resistant self tapping sheet metal screws holding roof flashing e Permanent sealant such as mastic e 4 wood screws base template e 2 No 8 X 3 4 wood screws unit to floor Do not overtighten and compress seal e Silicone caulking roof flashing Thermostat cable 18 gage wire minimum NOTE The number of conductors needed depends on type of unit and thermostat being installed
18. ain hose to extend through or drain to outside Also cut 13 in by 9 1 8 in hole in duct trunk See Fig 10 6 Bend every other tab up 90 degrees on indoor air collar as shown in Fig 10 7 Insert base template assembly into supply duct and secure it with 4 flat head screws 1 in each corner Bend remaining tabs up 90 degrees locking indoor air collar securely to supply duct trunk Use mastic or foil type duct tape to seal any openings See Fig 10 NOTE Do not let indoor air collar extend down into duct It MUST be flush with top of duct trunk If collar does not fit properly minor adjustments may have to be made to collar 8 Use Flex Mend or equivalent RTV caulk to seal bottom board to outdoor air plenum WARNING Non foil type tapes will not withstand the temperature of heated air from unit and may be a fire A hazard Failure to tape joint will allow heated or cooled air to leak beneath home A failure to follow this warning could result in a fire or explosion and personal injury or death V INSTALL UNIT A Setting Unit A CAUTION Do not move unit on an unprotected floor Damage to floor will result 1 If necessary use an appliance dolly to position unit into enclosure being careful not to disturb foam seal on tem plate When unit s front edge is in line with front edge of base template set unit upright onto base template See Fig 11 BASE TEMPLATE NOTE TILT UNIT APPROXIMATELY 45 WHILE MOV
19. al hole in wall to prevent drafts 9 Mount thermostat body on subbase with captive screws 10 Set heat anticipator indicator located in upper left corner of thermostat body to appropriate value based on the heater size for unit being installed See Table 6 TABLE 6 HEAT ANTICIPATOR VALUES FOR AIR CONDITIONING UNITS HEATER SIZE KW ANTICIPATOR SETTING N A Not Applicable 11 Install thermostat cover Carefully align D shaped dial shaft with matching shaped hole in hub of setting dial then press cover carefully on thermostat body 9 12 Set outdoor thermostat to 50 F NOTE Refer to Installation Instructions packaged with thermo stat for additional information ELECTRONIC AIR CONDITIONING THERMOSTATS PROGRAMMABLE AND NON PROGRAMMABLE 1 Open thermostat rear door mounting base to expose mounting holes The base can be removed to simplify mounting Snap apart carefully at hinge to separate mount ing base from remainder of thermostat 2 Route thermostat wires through large hole in mounting base 3 Level mounting base against wall and mark wall through 2 mounting holes 4 Drill two 3 16 in mounting holes in wall where marked 5 Secure mounting base to wall with 2 screws and anchors provided making sure all wires extend through mounting base 6 Adjust wire length and routing to allow proper closure of thermostat Strip each wire end no more than 1 4 in to prevent adja
20. cent wires from shorting together Match and connect equipment lead wire to correct terminals of the thermostat connector See Fig 19 and 20 NOTE All TSTAT models have no batteries and are not power stealing They do require 24 vac R and C terminals to be connected for proper operation Thermostat will not operate without these 2 connections 7 Push excess wiring into wall Seal hole in wall to prevent drafts 8 Snap hinge back together 9 Turn on power to unit 10 Reconfigure thermostat to energize fan G terminal with call for heat W Since this is a self contained unit there is no furnace or fan coil to energize the blower when electric heat is initiated The thermostat MUST be reconfigured to start blower when electric heat is selected G is energized whenever W is energized a Non Programmable Model 1 Enter thermostat configuration mode by pressing and holding FAN button for approximately 10 sec The room temperature disappears and display should read 1 Thermostat is now in configura tion mode NOTE If FAN button is pressed again or if no button is pressed for 60 sec thermostat will exit configuration mode and return to normal operation To re enter configuration mode the FAN button must be pressed and held for 10 sec again 2 Use up and down buttons until thermostat display reads 5 3 Press MODE button once to display current selec tion of ON or OFF Factory default is OFF 4
21. drafts and enters structure 2 A gas water heater is installed that uses fresh air from underneath structure Indication to use When your air conditioner or heat pump turns on the pilot light for the water heater is blown out 3 In extremely cold regions where water pipes may freeze Indication to use In winter pipes freeze B Build Outdoor Air Tunnel NOTE The equipment and materials to install this duct work are NOT factory supplied nor is manufacturer responsible for deter mining if this procedure should be utilized If it is determined that an outdoor air tunnel is required locate unit air intake which comes through bottom board of home and build outdoor air tunnel as follows 1 Using pressure treated 2 X 2 s or similar material frame a tunnel from skirting or foundation wall to entrance of outdoor air plenum See Fig 27 for a typical air tunnel 2 The condensate drain must not be allowed to drain inside air tunnel Pipe to outside of home See Fig 28 43S CAUTION The tunnel and grille or screen must meet the minimum requirements listed in Table 8 to get the proper airflow to the unit intake Failure to adhere to this caution will affect the unit s capacity and efficiency ratings A larger net free area may be used 3 Attach 1 in duct board to frame built in item 1 4 Seal all joints thoroughly with caulking and or duct tape 5 Set base of walls about 2 in in ground and backfill aro
22. ent drafts 9 Snap hinge back together 10 Turn on power to unit 11 Reconfigure thermostat to allow thermostat and outdoor temperature sensor to control electric heat lockout This configuration allows lockout of any W Electric Heat when outdoor temperature is above a selected value Tem peratures of 15 to 55 F or equivalent values in C can be selected Feature can be enabled or disabled EMER GENCY HEAT mode disables this feature Factory default is OFF disabled To enable feature and set temperature value proceed as follows a Non Programmable Model 1 Enter thermostat configuration mode by pressing and holding FAN button for approximately 10 sec The room temperature disappears and display should read 1 Thermostat is now in configura tion mode MODEL HP CONTROL MODEL HP PROGRAMMABLE VOLTAGE CONTROL ELECTRONIC TERMINAL NON PROGRAMMABLE ELECTRONIC NINE THERMOSTAT STRIP THERMOSTAT STRIP 24 VAC HOT RH 24 VAC COMM HEAT STAGE 2 COOL HEAT STAGE 1 FAN RVS COOLING 24 VAC HOT RF HEAT STAGE 2 W W1 FAN COOL HEAT STAGE 1 RVS COOLING N A 24 VAC COMM N A OUTDOOR RVS HEATING TEMPER ATURE ENSOR RVS HEATING TROUBLE TROUBLE OR CLEAN FILTER OUTDOOR sH Tt SENSOR ae CONNECTION S2 Tt SENSOR CONNECTION A95416 A95415 NOTE Terminals O W2 Y1 and L are not used on thermostat An outdoor temperature sensor must be connected to thermostat termi
23. installation and start up instructions 10 SEER RESIDENTIAL SELF CONTAINED AIR CONDITIONER HEAT PUMP UNITS NOTE Read the entire instruction manual before starting the installation SAFETY CONSIDERATIONS Improper installation adjustment alteration service maintenance or use can cause explosion fire electrical shock or other conditions which may cause personal injury or property damage Consult a qualified installer service agency or your distributor or branch for information or assistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Refer to the individual instructions pack aged with the kits or accessories when installing Follow all safety codes Wear safety glasses and work gloves Read these instructions thoroughly and follow all warnings or cautions attached to the unit Consult local building codes and the National Electrical Code NEC for special installation require ments Recognize safety information This is the safety alert symbolA When you see this symbol on the unit or in instructions and manuals be alert to the potential for personal injury Understand the signal words DANGER WARNING and CAU TION These words are used with the safety alert symbol DAN GER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used
24. inue to flow from registers NOTE Temperature of this emergency heat will be about the same temperature as any other electric furnace Make sure no noise is in upper fan housing If you hear knocking or flapping noise turn unit off at thermostat and flip main circuit breakers to OFF position Disconnect 14 in flex duct on top of unit and make sure no sheet rock plywood lumber nails or trash is in fan housing Homeowner package included with home Thanks for doing a PROFESSIONAL job To ensure maximum performance this unit requires 72 hr of run time ma1a181 Catalog No 92 33MA 1A5B
25. nals Sl and S2 X terminal on control voltage terminal strip must be connected to C terminal on thermostat for proper thermostat opera tion Terminals W2 and E must be jumpered on unit terminal block Fig 25 Heat Pump Circuit Connections Non Programmable Electronic Thermostat NOTE If FAN button is pressed again or if no button is pressed for 60 sec thermostat will exit configuration mode and return to normal operation To re enter configuration mode the FAN button NOTE Terminals O W2 Y1 W2 and L are not used on thermostat An outdoor temperature sensor must be connected to thermostat terminals S1 and S2 X terminal on control voltage terminal strip must be connected to C terminal on thermostat for proper thermostat operation Terminals W2 and E must be jumpered on unit terminal block Fig 26 Heat Pump Circuit Connections Programmable Electronic Thermostat 3 Use the up and down buttons to change from OF to 1 of the available temperature choices Value will depend on ambient temperature at which heat pump can no longer handle heating load must be pressed ae Held a0 Sea again 4 Wait 10 sec to exit configuration mode 2 Use up and down buttons until thermostat display ee 12 Jumper terminals W2 and E on unit terminal strip This reads 6 allows electric heat to be activated when EMERGENCY 3 Press MODE button once to display current selec HEAT option is selected at thermostat tion of OF 15
26. oad and ground lead to unit as shown in nee Fig 17 Refer to previous section for electrical require Refer to Table 5 for type of thermostat cable required for specific ments All low voltage thermostat wires must be connected installation applications to low voltage terminal block mounted on side of control NOTE Heat pump can only be controlled with a 6 or more box located inside unit conductor No 18 AWG minimum thermostat cable and a heat pump compatible thermostat If heat pump is being installed to replace another heating furnace or system thermostat must be replaced with 1 listed in Table 5 for heat pump use and thermostat cable must be replaced unless it is the proper type and size If an existing thermostat is being replaced 1 Turn off all power to unit 2 Remove existing thermostat from wall ij NO 10 AWG AUXILIARY 5KW HEATER NO 1 SERVICE GROUND LUG LOAD LEADS FOR NO 10 AWG AND NO 8 AWG NO 8 AWG COMPRESSOR LEADS NO 6 AWG AUXILIARY 10KW HEATER NO 2 LOAD LEADS 10KW COMPRESSOR at o o 5KW 60 AMP 30 AMP 40 AMP 1 NO 8 AWG COMPRESSOR LEADS AUXILIARY a ae 10KW HEATER NO 2 LOAD LEADS AUXILIARY 5KW HEATER NO 1 LOAD LEADS A95353 NOTE This diagram shows a typical wiring installation for an 036 unit with 15 kw heat It may not reflect the wiring in unit
27. out home If unit is being installed to replace another furnace or heating system a check of airflow rate CFM should be performed If airflow rate does not meet specifications duct alterations or repairs must be made to correct airflow problem pat aa N OPTIONAL LOCATION NOTE THE UNIT MUST BE ACCESSIBLE FOR SERVICE LL JA A95341 Fig 6 Unit Installed in Closet with Return Air Grille CAUTION The minimum installation clearance be tween both the indoor air plenum and first 2 ft of metal A duct to any combustible material is 1 in See Fig 7 The remainder of unit and duct work is approved for O in clearance INDOOR AIR COLLAR 12 1146 X 8 1546 X 9 1 4 DEEP OUTDOOR AIR PLENUM BASE TEMPLATE METAL AIR g Npuct 24 NOTE DO NOT OBSTRUCT OUTDOOR AIR PLENUM OPENING FOAM SEAL A95342 Fig 7 Indoor Air Plenum and Duct Clearances C Recommended Unit Clearances For serviceability and elimination of compressor vibration trans mission it is recommended that the sides and back of unit be installed with a minimum 1 in clearance from walls It is also recommended that top of unit be installed with a clearance large enough to allow removal of unit should it be necessary 5 746 X17 1546 X 19 14 DEEP D Installation of Unit Behind a Louvered Door or Enclosed in Closet If unit is installed behind a louvered door and louvers are directly
28. r Follow Installation Instructions included with sensor and route wires through hole in wall along with thermostat cable 2 Open thermostat rear door mounting base to expose mounting holes The base can be removed to simplify mounting Snap apart carefully at hinge to separate mount ing base from remainder of thermostat 3 Route thermostat wires through large hole in mounting base HEAT ANTICIPATOR INDICATOR LONGER EM HEAT HEAT COOL COOL o e A95357 Fig 24 Setting Heat Anticipator TABLE 7 HEAT ANTICIPATOR VALUES FOR HEAT PUMP UNITS HEATER SIZE KW ANTICIPATOR SETTING 0 N A N A Not Applicable 4 Level mounting base against wall and mark wall through 2 mounting holes 5 Drill two 3 16 in mounting holes in wall where marked 6 Secure mounting base to wall with 2 screws and anchors provided making sure all wires extend through mounting base 7 Adjust wire length and routing to allow proper closure of thermostat Strip each wire end no more than 1 4 in to prevent adjacent wires from shorting together Match and connect equipment lead wire to correct terminals of the thermostat connector See Fig 25 and 26 NOTE All TSTAT models have no batteries and are not power stealing They do require 24 vac R and C terminals to be connected for proper operation Thermostat will not operate without these 2 connections 8 Push excess wiring into wall Seal hole in wall to prev
29. size for each circuit The unit is equipped with circuit breakers enclosed in wiring compartment This compartment is located in top right hand corner of unit Ground wires for supply circuits must be attached to ground lug s in circuit breaker box to provide required safety grounding of unit WARNING The cabinet must have an uninterrupted or unbroken ground according to National Electrical Code ANSI NFPA 70 or local codes to minimize personal injury if an electrical fault should occur This may consist of electrical wire or conduit approved for electrical ground when installed in accordance with existing elec trical codes A failure to follow this warning could result in an electrical shock fire or death WARNING Failure to adhere to minimum wire sizes maximum over current protection disconnect and grounding requirements can cause personal injury elec trical shock or a fire hazard All wiring MUST comply with requirements of the NEC state and local codes All low voltage thermostat wires MUST be connected to low voltage terminal block mounted on left side of control box located inside front panel of unit A CAUTION Power supply must be nominal 230 v 1 phase Do not exceed 253v or go below 197v B Electrical Connections WARNING To avoid personal injury or death do not AN supply power to unit with compressor terminal box cover removed 1 Remove front panel a Remove 2 screws on bottom b Remove 5
30. t edge of hole Back edge of supply duct trunk should be approxi mately 8 in from back of hole See Fig 9 3 After floor section is complete locate mark and cut a hole through floor approximately 18 1 2 in by 19 1 2 in See Fig 9 4 Place base template assembly over hole and mark indoor air plenum cutout in supply duct trunk measuring 13 in by 9 1 8 in See Fig 10 Mark condensate drain hose and outdoor air plenum cutouts in insulation and vapor barrier or drain to outside FLOOR JOIST FRAMING HOME DUCT TRUNK A95344 Fig 9 Dimensions of Hole FOAM AIR SEAL FLAT HEAD WOOD SCREW J INDOOR AIR COLLAR DO NOT USE s FRONT INSIDE OUTDOOR AIR HOLES PLENUM RE BEND X ALTERNATE ite an SLC DRAIN CUP INDOOR AIR 7 lt lt pe CUTOUT ee i3 13 x 91 gt eS DRAIN HOSE PIPE TO OUTSIDE OF STRUCTURE DUCT En a NOTE THE DRAIN CUP FOAM AIR SEAL OUTDOOR AIR PLENUM AND INDOOR AIR COLLAR ARE PREASSEMBLED AT FACTORY A95345 Fig 10 Installation of Base Template Indoor Air Collar and Outdoor Air Plenum CAUTION Be careful not to crimp drain hose attached to condensate drain cup A CAUTION Failure to route drain hose where it will not A be kinked will cause drain trap to overflow leaking water onto floor 5 Remove base template assembly Reach through hole and cut holes through vapor barrier and insulation for outdoor air plenum and condensate dr
31. uctions if heat anticipation must be adjusted HONEYWELL HEAT PUMP THERMOSTAT 1 Strip approximately 1 2 in of insulation off end of each wire routed through hole in wall 2 Connect thermostat wires to thermostat by placing colored wire under appropriate terminal screw on back of thermo stat as indicated by label over low voltage terminal block located on left side of control box See Fig 21 3 Push all but approximately 2 in of thermostat cable back into wall Seal opening around cable to prevent drafts through hole which could interfere with operation of unit 10 MODEL AC CONTROL PROGRAMMABLE VOLTAGE ELECTRONIC TERMINAL THERMOSTAT STRIP 24 VAC HOT RE FAN HEAT STAGE 1 W W1 COOL STAGE 1 N A 24 VAC COMM N A N A OUTDOOR SENSOR CONNECTION A95414 NOTE Terminals O W2 Y1 W2 B and L are not used on thermo stat X terminal on control voltage terminal strip must be connected to C terminal on thermostat for proper thermostat operation An optional outdoor temperature sensor may be connected to S1 and S2 terminals on thermostat Fig 20 Air Conditioning Circuit Connections Programmable Electronic Thermostat CONTROL VOLTAGE TERMINAL THERMOSTAT STRIP 24 VAC HOT R RED R COOL HEAT y YELLOW v STAGE 1 RVS HEATING Boo lden BEJE aL B HEAT WHITE STAGE 2 Wa We EMERGENCY E BROWN E HEAT NOT USED O x NOT USED L NOT
32. und to provide a good air seal See Fig 28 6 Install a louver or a screen over opening of air tunnel where it penetrates skirting or foundation of home X REFRIGERANT The unit is pre charged at the factory to the correct operating charge and should not require adjustment However should an adjustment be required or if the unit requires service adhere to the following precautions WARNING Gage ports are equipped with Schrader valves To prevent personal injury wear safety glasses and gloves when handling refrigerant A CAUTION Compressor damage may occur if system is overcharged WARNING Do not vent refrigerant to atmosphere Recover all refrigerant before system repair or final unit A disposal to avoid personal injury or death Use all service p P jury ports and open all flow control devices including sole noid valves CARE AND MAINTENANCE For continuing high performance and to minimize equipment failure it is essential that periodic maintenance be performed on this equipment Consult your servicing contractor or User s Manual for the proper frequency of maintenance Frequency of maintenance may vary depending on geographic areas such as coastal application Leave User s Manual with homeowner Explain system operation and maintenance procedures outlined in User s Manual THERMOSTAT WIRES Ro MAIN POWER 0 X CONNECTIONS RETURN AIR GRILLE AIR FILTER BEHIND NS RETURN
33. y taped joint will leak outside air into home All excess flex duct must be cut off and remaining duct pulled tight 6 Pull insulation down over taped joint and outdoor air exhaust See Fig 15 Fasten insulation in place with tape and strap PULL INSULATION AND OUTER COVER SNUG TO TOP OF UNIT AND FASTEN WITH STRAP TYPE DUCT CLAMP SCREW 7 IF POSSIBLE INSERT A METAL SCREW W FLAT WASHER ABOVE WIRE FRAME OF FLEX DUCT TO HELP HOLD IT ON ROUND ADAPTER A95351 Fig 15 Securing Insulation 6 VI MAKE ELECTRICAL CONNECTIONS A Electrical Requirements WARNING To prevent personal injury or equipment A damage always disconnect main power before doing any maintenance or wiring A failure to follow this warning could result in electrical shock fire or death NOTE All electrical power supply conductors serving unit must be copper The circuit breakers or fuses used for branch circuit protection should be UL Recognized If circuit breakers are used the circuit breaker for compressor circuit must have a UL HACR rating If fuses are used the fuses for compressor circuit MUST be a time delay All electrical wiring supplying unit must comply with the NEC ANSI NFPA 70 and all state and local codes Depending on auxiliary heater size unit must be supplied with 1 2 or 3 separate 240 v circuits from home s circuit breaker panel or fuse box Refer to Table 3 and Table 4 for required circuits and recommended wire
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