GAS FIRED HIGH EFFICIENCY FURNACE DOWNFLOW & DIRECT VENT (SEALED COMBUSTION) MODELS: CMA3-50D36N, CMA3-75D36N, CMC1-50D36N, CMC1-75D36N, CMC1-50DV3N, CMC1-75DV3N INSTALLATION AND SERVICE MANUAL For installation in: 1. Manufactured Homes 2. Modular Homes/Buildings 3. Site Constructed—Residential (Single Story Dwellings) FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
TABLE OF CONTENTS SECTION I. SAFETY INFORMATION II. BEGINNING PAGE 1 FURNACE SPECIFICATIONS 7 III. GENERAL INSTRUCTIONS AND CLEARANCES 11 IV. GENERAL INSTALLATION A. FURNACE LOCATION B. BASE INSTALLATION C. ALCOVE INSTALLATION D. CLOSET INSTALLATION E. FUEL PIPING F. GENERAL VENTING REQUIREMENTS G. CONNECTING THE EXHAUST VENT, AND COMBUSTION AIR INTAKE H. DIRECT VENTING THROUGH A SIDEWALL I. INSTALLATION OF OUTSIDE EXHAUST/INTAKE TERMINATIONS J.
All installations and services must be performed by qualified service personnel. I. SAFETY INFORMATION This and the following page contain reproductions of the various warning and instruction labels placed on the Thermo Pride Condensing Gas Furnaces. Please read and comply with the contents of these labels.
All installations and services must be performed by qualified service personnel. This and the previous page contain reproductions of the various safety and instruction labels placed on the Thermo Pride Condensing Gas Furnaces. Please read and comply with the contents of these labels.
All installations and services must be performed by qualified service personnel. This and the previous page contain reproductions of the various safety and instruction labels placed on the Thermo Pride Condensing Gas Furnaces. Please read and comply with the contents of these labels.
All installations and services must be performed by qualified service personnel. The following safety information should be read, understood, and followed by the installer. 1. Use only with type of gas approved for this furnace. Refer to furnace rating plate. 2. Do not install this furnace where it could be exposed to drafts or other wind or moisture conditions. Refer to Section IV of this manual. 3. Provide adequate ventilation air to the furnace space. Refer to Section IV, C and D, of this manual. 4.
All installations and services must be performed by qualified service personnel. : The vent and air intake elbows must be kept away from bushes, shrubs or any vegetation that may restrict the flow of flue products. It must also be kept clear of any leaves, weeds or other combustible materials. Keep the vent hood clear of snow. Avoid locating the terminals in areas where standing water or condensate drippage may be a problem.
All installations and services must be performed by qualified service personnel. : Copper and brass tubing and fittings (except tin lined) shall not be used if the gas contains more than a trace (0.3 grains per 100 cubic ft.) of hydrogen sulfide gas. Check with your gas supplier. : TURN OFF THE ELECTRICAL POWER to the furnace before attempting to change blower speed wiring. : Turn off power to furnace before it is placed into service.
All installations and services must be performed by qualified service personnel. II. FURNACE SPECIFICATIONS MODEL CMA3-50D36 CMA3-75D36 50,000 48,000 75,000 72,000 INPUT IN BTUH OUTPUT IN BTUH MAIN ORIFICE-NAT. MAIN ORIFICE-LP GAS SUPPLY PRESSURE L.P. MINIMUM NAT. MINIMUM L.P. MAXIMUM NAT. MAXIMUM GAS MANIFOLD PRESSURE L.P. NAT.
All installations and services must be performed by qualified service personnel. MODEL CMC1-50D36 CMC1-75D36 50,000 48,000 75,000 72,000 INPUT IN BTUH OUTPUT IN BTUH MAIN ORIFICE-NAT. MAIN ORIFICE-LP GAS SUPPLY PRESSURE L.P. MINIMUM NAT. MINIMUM L.P. MAXIMUM NAT. MAXIMUM GAS MANIFOLD PRESSURE L.P. NAT. INTAKE SIZE IN INCHES VENT SIZE IN INCHES NOMINAL TEMPERATURE RISE SEASONAL EFFICIENCY (AFUE*) *ANNUAL FUEL UTILIZATION EFFICIENCY DIMENSIONS CABINET SIZE SUPPLY AIR OUTLET #42 #54 11” IN.W.C. 4.5”IN.
All installations and services must be performed by qualified service personnel. MODEL CMC1-50DV3 CMC1-75DV3 50,000 48,000 75,000 72,000 INPUT IN BTUH OUTPUT IN BTUH MAIN ORIFICE-NAT. MAIN ORIFICE-LP GAS SUPPLY PRESSURE L.P. MINIMUM NAT. MINIMUM L.P. MAXIMUM NAT. MAXIMUM GAS MANIFOLD PRESSURE L.P. NAT. INTAKE SIZE IN INCHES VENT SIZE IN INCHES NOMINAL TEMPERATURE RISE SEASONAL EFFICIENCY (AFUE*) *ANNUAL FUEL UTILIZATION EFFICIENCY DIMENSIONS CABINET SIZE SUPPLY AIR OUTLET #42 #54 11” IN.W.C. 4.5”IN.
All installations and services must be performed by qualified service personnel.
All installations and services must be performed by qualified service personnel. III. GENERAL INSTRUCTIONS AND CLEARANCES – READ BEFORE START OF INSTALLATION 1. The BTU output capacity of the furnace proposed for installation should be based on a heat loss calculation made according to the manuals provided by the Air Conditioning Contractors of America (ACCA) or the American Society of Heating, Refrigeration and Air Conditioning Engineers, Inc. (ASHRAE). 2.
All installations and services must be performed by qualified service personnel. d. American National Standard (ANSI-C1/NFPA-70 Electric Code for all electrical field wiring. e. These gas-fired units have been investigated under standards ANSI Z 21.47 CAN/CGA Z223-2001 Central Furnace test standards. f. These gas-fired units have been listed by ETL “For installation as central furnace special type for single story dwelling.
All installations and services must be performed by qualified service personnel. IV. GENERAL INSTALLATION A. FURNACE LOCATION 1. For best performance, locate the furnace so that it is centralized with respect to the duct system. 2. The furnace installation is only intended for free air return through the furnace door louvers. DO NOT connect a ducted return air system directly to the furnace. An improper return air installation may create a hazard and damage equipment, as well as void all warranties. 3.
All installations and services must be performed by qualified service personnel. Coil Cabinet Model: CE113S / CE213T Note: Coil cabinet cannot be utilized as a cottage base. CE113S CE213T Figure 1B. Cottage Base Model: 01COT-BASE For CMA3 models only. NOTE: Serves as a plenum for single story applications with exposed supply air systems. Figure 1C.
All installations and services must be performed by qualified service personnel. B. BASE INSTALLATION – CMA3 models only 1. Combustible Floor Base Model: 70 BASE (for CMA3 models only) Use the base bottom panel as a template to mark floor opening locations (see Figure 2). Cut a square opening in the floor for the supply air connector duct. Cut the opening 1-inch larger than the square template opening. (duct requires 1-inch clearance to combustible floor). Figure 2. Figure 3.
All installations and services must be performed by qualified service personnel. connector duct. Remove the bottom panel. Cut an opening in the distribution duct slightly larger than the connector duct. (refer to Figure 2 for location of this cut.) Cut the connector duct to length. Install the connector duct. Bend over each tab. Insure an airtight seal by using high temperature sealant or tape on the joint. Reinstall the bottom panel over the connector duct.
All installations and services must be performed by qualified service personnel. C. ALCOVE INSTALLATION In this application, a minimum of 18 inches of clearance must be provided to the front of the unit. See Figure 4. Note – access to diagnostic view port. CMA3 SERIES CMC1 SERIES Figure 4. D. CLOSET INSTALLATION 1. The return air opening into the closet is to have a minimum free area of 250 sq. in. (see Figure 5). 2.
All installations and services must be performed by qualified service personnel. CMA3 SERIES CMC1 SERIES Figure 5. Do not obstruct any return air openings, including the return grille on the furnace. To do so may cause the furnace to activate the high limit and shut down. : 3. The cross-sectional area of the return system leading into the closet (when located in the floor or ceiling) shall not be less than 250 square inches. 4.
All installations and services must be performed by qualified service personnel. E. FUEL PIPING Sizing and installation of fuel lines must be in accordance with Federal, State & Local regulations. Including the National Fuel Gas Code NFPA 54/ANSI-Z233.1 (Latest Edition). NOTE: These furnaces are designed to be gas piped through the left side or the bottom. For service purposes, it is recommended that the gas union be located inside the furnace when possible.
All installations and services must be performed by qualified service personnel. occurs. Wait at least 24 hours for the circuit to fully dry before energizing the system. : The furnace and its gas valve must be disconnected from the gas supply during pressure testing of the gas supply system at pressures in excess of 1/2 PSIG or 14 inches w.c F.
All installations and services must be performed by qualified service personnel. MAXIMUM VENT LENGTH VENT SIZE FURNACE MODEL 2 IN. PVC EXHAUST COMBUSTION AIR INTAKE VENT ELBOWS (NO.) ELBOWS (NO.) CMA*/CMC* 30 8* 7** *Note the drain elbow supplied with furnace count as 1 elbow. **Note the two 45° elbows supplied with furnace count as 1 elbow. VENT LENGTH (FT.) Table 2 6. A hack saw may be used to cut the PVC pipe. It must be cut smoothly at right angles with all burrs removed.
All installations and services must be performed by qualified service personnel. G. CONNECTING THE EXHAUST VENT AND COMBUSTION AIR INTAKE Figure 6. shows the typical exhaust vent and combustion air intake connection for CMA/CMC furnace. Figure 6. Models CMA and CMC have a removable top front panel that will allow for improved access to assist installation of the exhaust vent and combustion air intake connection to the top of the furnace.
All installations and services must be performed by qualified service personnel. the conclusion of the vent pipe installation. This will insure a leak free return air compartment. Refer to Figure 6A. Figure 6A. NOTICE: The exhaust vent pipe must be supported every 4 feet. After making sure the length of the piping is correct glue all connections in place.
All installations and services must be performed by qualified service personnel. gas flame. Should acid compounds form in your furnace, it may reduce the life of the furnace. H. Direct Venting Through a Sidewall 1. Vent And Combustion Air Pipes Vent and combustion air pipes may pass through a maximum wall thickness of 18 inches. The minimum wall thickness is 2 inches. Referring to Figure 7, the maximum distance from the outer wall to the center of the elbow is 12 inches.
All installations and services must be performed by qualified service personnel. b. The bottom edge of the vent termination elbow must be installed at least 12-inches above the outlet of intake termination elbow. c. The horizontal distance between the inlet and exhaust terminations should be minimized, when possible, and should never exceed 24inches. d. The vent and intake systems should utilize the same numbers of elbows and approximately the same length of straight pipe to reach the outside termination.
All installations and services must be performed by qualified service personnel. • where wetting of components by condensate, or water vapor, could be detrimental to the operation of pressure regulators, relief valves, or any other equipment. d. The vent terminal shall be installed a minimum of 14-inches from any obstruction and 3-feet from an inside corner of an L-shaped structure.
All installations and services must be performed by qualified service personnel. 4. Vent Terminal Location Guidelines : Bushes, shrubs, or any vegetation that may restrict the flow of flue products must be kept away from vent and air intake terminations. Terminations must also be kept clear of any leaves, weeds, combustible materials, snow, and ice build-up. Avoid locating the vent terminal over areas where dripping of condensate, or small pools of acidic condensate, could create a problem.
All installations and services must be performed by qualified service personnel. Figure 10: Typical Construction Details of Sidewall Vent and Air Intake Terminations 3. Finish the vent installation by caulking the annulus to seal around the two (2) holes where the thermoplastic pipes pass through the wall. 4. To prevent foreign material, insects, or small animals from entering the pipes, an optional vent or intake terminal (stainless steel) screen is available from Thermo Products under part no. 320219.
All installations and services must be performed by qualified service personnel. The furnace may be vented vertically through the roof. The outlet/inlet of the vent and air intake terminations shall be a minimum of 12 inches above highest anticipated snow level. The vent outlet must be installed a minimum of 12 in. above the air intake inlet. The combustion air intake shall be installed upwind of the vent outlet when exposed to prevailing winds.
All installations and services must be performed by qualified service personnel. CEILING: Frame out area around where PVC pipe is to penetrate ceiling. Cut a 2-3/8” diameter hole for 2” PVC in the ceiling and a corresponding hole in a firestop to be made of a minimum of 18 gauge galvanized metal large enough to cover the entire framed area. Cut PVC pipe so that it extends up past the fire stop far enough to engage a PVC coupling that will rest on the fire stop and act as a support.
All installations and services must be performed by qualified service personnel. L. ELECTRICAL WIRING All wiring shall be performed by a qualified electrician or service person. The wiring must comply with local codes, the instructions in this manual, and in the absence of codes with the National Electrical Code ANSI/NFPA-70 (LATEST EDITION). 1. Electrical Branch Supply Circuit Route all electrical wiring to the left side of the furnace.
All installations and services must be performed by qualified service personnel. IMPORTANT: The room thermostat should be installed 4 to 5 feet above the floor on an interior wall which is relatively free from direct sources of heat (sunlight or supply airflow) or exposure to cold (drafts from open windows and doors). The nominal anticipator setting is 0.8 amperes, for the CMA/CMC (refer to the thermostat literature for additional information).
All installations and services must be performed by qualified service personnel. 4. BLOWER MOTOR SPEED WIRING Figure 15. BLOWER DELAY SETTINGS To delay fan turn-on by: 15 sec. 30 sec. *45 sec. 60 sec, #1 Off Off On On Set Switch #2 Off On Off On To delay fan Set Switch turn-off by: #3 #4 60 sec. On On 90 sec. Off On *120 sec. On Off 180 sec.
All installations and services must be performed by qualified service personnel. CMA3-50D36 ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE COOLING UNIT HTG Speed Recommended CLG Speed LOW LOW LOW MED-LOW MED-HIGH HIGH 24,000 30,000 36,000 Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Furnace Airflow (CFM) vs. External Static pressure (in. WC.) 0.
All installations and services must be performed by qualified service personnel. CMA3-75D36 ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE COOLING UNIT HTG Speed Recommended CLG Speed MED-LOW MED-LOW MED-LOW MED-LOW MED-HIGH HIGH 24,000 30,000 36,000 Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Furnace Airflow (CFM) vs. External Static pressure (in. WC.) 0.
All installations and services must be performed by qualified service personnel. CMC1-50D36 ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE COOLING UNIT HTG Speed Recommended CLG Speed LOW LOW LOW MED-LOW MED-HIGH HIGH 24,000 30,000 36,000 Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Furnace Airflow (CFM) vs. External Static pressure (in. WC.) 0.
All installations and services must be performed by qualified service personnel. CMC1-75D36 ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE COOLING UNIT HTG Speed Recommended CLG Speed MED-LOW MED-LOW MED-LOW MED-LOW MED-HIGH HIGH 24,000 30,000 36,000 Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Speed Tap \ Static Pressure Low ML MH High Furnace Airflow (CFM) vs. External Static pressure (in. WC.) 0.
All installations and services must be performed by qualified service personnel. CMC1-50DV3 ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE COOLING UNIT HTG Speed Recommended CLG Speed LOW LOW LOW MED-LOW MED-HIGH HIGH 24,000 30,000 36,000 Speed Tap \ Static Pressure Low ML MED MH High Speed Tap \ Static Pressure Low ML MED MH High Speed Tap \ Static Pressure Low ML MED MH High Furnace Airflow (CFM) vs. External Static pressure (in. WC.) 0.1 700 876 990 1174 1398 0.
All installations and services must be performed by qualified service personnel. CMC1-75DV3 ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE Speed Tap \ Static Pressure Low ML MED MH High Speed Tap \ Static Pressure Low ML MED MH High Speed Tap \ Static Pressure Low ML MED MH High Speed Tap \ Static Pressure Low ML MED MH High COOLING UNIT HTG Speed Recommended CLG Speed 24,000 30,000 36,000 MED-LOW MED-LOW MED-LOW MED-LOW MED-HIGH HIGH Furnace Airflow (CFM) vs.
All installations and services must be performed by qualified service personnel. : TURN OFF THE ELECTRICAL POWER to the furnace before attempting to change blower speed wiring. The furnace is factory wired to the ignition control with standard heating and cooling speeds. When changing motor speeds, simply switch the needed speed to either the heating or cooling terminal as applicable on the module to obtain the desired CFM. The unused speeds should then be reconnected to the module in the “park” positions.
All installations and services must be performed by qualified service personnel. V. STARTING THE UNIT A.
All installations and services must be performed by qualified service personnel. MAIN BURNER OPERATION CALL FOR HEAT SATISFIED AFTER DELAY-TO-FAN-ON PERIOD ENDS, CIRCULATING AIR FAN IS ENERGIZED AT HEATING SPEED. THE (OPTIONAL) ELECTRONIC AIR CLEANER AND HUMIDIFIER ARE ENERGIZED. WHEN THERMOSTAT IS SATISFIED, CONTACTS OPEN AND THE GAS VALVE IS DE-ENERGIZED. AFTER PROOF OF FLAME LOSS, INDUCER STARTS 5 SECOND POST SURGE AND (OPTIONAL) HUMIDIFIER ARE DE-ENERGIZED.
All installations and services must be performed by qualified service personnel. B. INITIAL START UP: This furnace does not have a pilot. It is equipped with a hot surface igniter which automatically lights the burner. Do not attempt to light the burner by hand. Check the following items before the initial start-up. 1. Check all wiring for loose connections and proper hook up. 2. Leak test gas piping connections. 3.
All installations and services must be performed by qualified service personnel. C. ADJUSTMENT OF BTU INPUT RATE: The orifice for this furnace was sized: 1) for natural gas having a heating value of 1025 BTU per cubic foot and a specific gravity of .65, or 2) for liquefied propane gas with a heating value of 2500 BTU per cubic foot and a specific gravity of 1.55. The information plate inside the furnace vestibule will specify which gas your furnace is orificed for.
All installations and services must be performed by qualified service personnel. GAS PRESSURE CHART FOR CMA*/CMC* MODEL FURNACES SUPPLY PRESSURE MANIFOLD PRESSURE NAT MAX 14” WC MIN 4.5” WC 3.5 + .3” WC PROPANE MAX 14” WC MIN 11” WC 10.0” + .3” WC TABLE 3 This gas furnace is equipped with a fixed orifice sized for the manifold pressure shown on the rating label. The input can only be increased, or decreased, by adjusting the manifold pressure.
All installations and services must be performed by qualified service personnel. Figure 16. : The CMA/CMC furnace models are direct vent design and do not require an air shutter adjustment (air shutters are not used) for proper flame characteristics. Burner box access cover must always be secured with all screws in place and tightened before operating furnace. E.
All installations and services must be performed by qualified service personnel. F. FURNACE CHECKOUT PROCEDURE Before any system of gas piping is finally put into service, it shall be carefully tested to assure that it is gas tight as indicated in the Fuel Piping Section of this Furnace Manual. NOTICE: All controls on the unit should be checked for proper functioning prior to the qualified service personnel leaving the job site.
All installations and services must be performed by qualified service personnel. VI. INSTALLER'S INSTRUCTIONS TO USER: After completing the installation, the installer shall inform and/or demonstrate to the homeowner: 1. The location of all the instructions in the furnace and that the instructions must be kept along with instructions for any accessories in the plastic pouch. 2. The location and use of the manual gas shut off valve and furnace electrical disconnect switch.
All installations and services must be performed by qualified service personnel. A. ELECTRICAL: 1. Check diagnostic code through view port prior to removing access door. 2. Check all wiring for loose connections and any signs of damage or unusual wear. 3. Check for correct voltage at the furnace when operating. 4. Check amp-draw on blower motor and inducer motor to assure they are not exceeding name plate amp rating. 5.
All installations and services must be performed by qualified service personnel. 5. GASKETS/SEALING MATERIALS Inspect all visible gaskets for signs of degradation or liquid seepage, especially any seals which were removed as part of the inspection. Replace any suspect gaskets. C. HEAT EXCHANGER Inspect for corrosion, pitting, warpage, deterioration, carbon build-up and loose gaskets in the flue pipe, burner box and accessible areas of the heat exchanger. 1. CLEANING THE COIL AIR SIDE a.
All installations and services must be performed by qualified service personnel. FILTER MAINTENANCE PROCEDURE The filter is located inside front door of the CMA/CMC. Remove filter retaining rod and remove dirty filter. Clean the filter by vacuuming, rinsing with tap water, hosing or dipping in an ordinary detergent solution. After cleaning, replace the completely dry filter and retain with retaining rod. If the filter has a mesh, the mesh side of the filter must be towards the furnace.
All installations and services must be performed by qualified service personnel. 3 flashes, then pause 4 flashes, then pause 6 flashes, then pause 7 flashes, then pause 8 flashes, then pause pressure switch stuck open open high limit switch 115 volt AC power reversed low flame sense signal check ignitor or improper grounding Continuous flashing Flame has been sensed when (no pause) no flame should be present (no call for heat) The LED will also flash once at power-up.
All installations and services must be performed by qualified service personnel. TROUBLESHOOTING GUIDE THE SYSTEM IS STARTED BY SETTING THE THERMOSTAT TO CALL FOR HEAT. THE FOLLOWING SHOULD HELP ESTABLISH THE TYPE OF MALFUNCTION OR DEVIATION FROM THE NORMAL OPERATION. TO USE THIS DIAGRAM, YOU JUST NEED TO FOLLOW THE INSTRUCTIONS IN THE BOXES. NOTE: CHECK DIAGNOSTIC CODE THROUGH VIEW PORT PRIOR TO REMOVING ACCESS DOOR.
All installations and services must be performed by qualified service personnel. Yes Yes No IS THERE LINE VOLTAGE ACROSS INDUCER POWER TERMINALS "IND" & "IND N" AT THE INTEGRATED CONTROL? Yes CHECK THE INTEGRATED CONTROL DIAGNOSTIC LED LAMP. RESET BY INTERRUPTING POWER TO CONTROL FOR MORE THAN ONE SECOND. IF LED STAYS ON CONTINUOUSLY, REPLACE INTEGRATED CONTROL. CHECK WIRING TO INDUCER AND IF OK, REPLACE INDUCER ASSEMBLY.
All installations and services must be performed by qualified service personnel. Yes AFTER GAS VALVE OPENS, DO THE BURNERS IGNITE? No CHECK FOR PROPER MANIFOLD PRESSURE. ADJUST TO 3.5" FOR NATURAL GAS OR 10.0" WC FOR LP GAS Yes Yes IS IGNITOR POSITIONED CORRECTLY? No REPOSITION TO CORRECT LOCATION. DO BURNERS STAY LIT PAST PROOF OF FLAME CHECK? Yes DOES THE INTEGRATED CONTROL ENERGIZE THE CIRCULATING AIR BLOWER AFTER THE 45 SECOND TIME DELAY.
All installations and services must be performed by qualified service personnel. Yes DOES SYSTEM RUN UNTIL THERMOSTAT IS SATISFIED? No IS LED LIGHT ON INTEGRATED CONTROL FLASHING? No CHECK ALL WIRING FOR LOOSE CONNECTIONS. Yes Yes DOES BURNER SHUT OFF WHEN THERMOSTAT IS SATISFIED? No CHECK FOR SHORT IN WIRE TO THERMOSTAT AND CORRECT IF NECESSARY.
All installations and services must be performed by qualified service personnel.
All installations and services must be performed by qualified service personnel.
All installations and services must be performed by qualified service personnel.
All installations and services must be performed by qualified service personnel.
All installations and services must be performed by qualified service personnel.
All installations and services must be performed by qualified service personnel.
All installations and services must be performed by qualified service personnel.