Gebruiksaanwijzing /service van het product RZ405 van de fabrikant Thomas & Betts
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Mfg No. 164771, Page 1 APPLIES TO: Installation Model CAUA Gas-Fired, Indoor , V ertical (Upflow) Power-V ented Heater INST ALLA TION FORM RZ 405 (V ersion B) Obsoletes Form RGM 405 (V ersion A) T able of Contents Installation and Operation ..........
Form 405, Page 2 Separated-combustion units are designed to separate the air for com- bustion and the flue products from the environment of the building in which the unit is installed. Separated-combustion appliances are rec- ommended for use in dust laden and some corrosive fume environments or in buildings with negative pressure (up to .
Mfg No. 164771, Page 3 Corner indicators for cutting inlet air opening J 2-1/2 (64mm) 2-1/8 (54mm) 16 (406mm) 3-5/8 (92mm) 1 (25mm) 13-1/4 (337mm) Alternate Gas Connection 16 (406mm) 2-1/8 (54mm) 1-1/2 (38mm) Corner indicators for cutting inlet air opening K 6.
Form 405, Page 4 7. V enting and Combustion Air W ARNING: The vent must be installed in accordance with national and local regulations. Failure to provide proper venting could result in death, serious injury and/or property damage. This unit must be installed with a vent to the outside of the building.
Mfg No. 164771, Page 5 2 (51mm) 2 (51mm) 6 (152mm) H F E G D C B Figure 2 - Attach Combustion Air Pipe 1) Remove door panel. 2) Cut out the hole. 3) Slide pipe down through hole. 4) If collar is oval, form pipe to fit. Attach pipe to collar with sheetmetal screws and seal the connection.
Form 405, Page 6 Instructions and Requirements for Installing Horizontal V ent T erminal/Combustion Air Inlet Option CC6 4. Pipe Diameter and Length Maximum Pipe Length from Heater to Concentric Adapt.
Mfg No. 164771, Page 7 2. Prepare clearance hole through the outside wall for a 6" diameter pipe (Size 150 or 200) or an 8" diameter pipe (Size 250, 300, 350, or 400). Outside wall construction thickness should be between 1" (25mm) minimum and 30" (762mm) maximum.
Form 405, Page 8 Figure 5D - Installation of a T ypical Separated- Combustion Unit with Horizontal V ent and Combustion Air Pipes (Option CC6) Building Overhang 3 ft (914mm) minimum 6-15/16 (176mm).
Mfg No. 164771, Page 9 Collar for combustion air pipe. V ent Pipe - when a taper-type reducer is required in the vent pipe; it must be no more than 6 (152mm) from the box.
Form 405, Page 10 4) V ent System Support Lateral runs should be supported every six feet (1.8M) using a non-combus- tible material, such as strap steel or chain.
Mfg No. 164771, Page 11 5) Condensation Any length of single-wall vent pipe exposed to cold air or run through an unheated area or an area with an ambient temperature of 45 ° F or less must be insulated along its entire length with a minimum of 1/2" foil-faced fiberglass, 1-1/2# density insulation.
Form 405, Page 12 Combustion Air Knockout V enter Outlet Electrical Gas 6-3/8 (162mm) 4-1/8 (105mm) 2-3/8 (60mm) A B 8. Duct Connections and Ductwork Both inlet air ductwork and supply air discharge ductwork are required unless the heater is equipped with an optional inlet base and/or an optional discharge plenum.
Mfg No. 164771, Page 13 Sizing a Gas Supply Line 9. Gas Piping and Pressures W ARNING: This appliance is equipped for a maximum gas supply pressure of 1/2 pound, 8 ounces, or 14 inches water column. Supply pressure higher than 1/2 pound requires installation of an additional lockup-type service regulator external to the unit.
Form 405, Page 14 3 4 2 1 (supply) pressure must be within the specified range for the gas being used both when the heater is in operation and on standby . Incorrect inlet pressure could cause excessive mani- fold gas pressure immediately or at some future time.
Mfg No. 164771, Page 15 Limit Control Supply Wiring T erminal Block (behind the gas valve) (Line voltage enters the control compartment through a hole in the top of the heater cabinet.) Thermostat T erminal Strip (Thermostat wires enter the control compartment through a hole in the right side of the heater cabinet.
Form 405, Page 16 Adjusting Blower Speed The blower speed may be adjusted to achieve the desired outlet tem- perature, as long as the adjustment is within the temperature rise and the static pressure limits shown on the heater rating plate. Direct drive motors are factory set at medium speed for heating and high speed for cooling (if ordered).
Mfg No. 164771, Page 17 TYPICAL WIRING DIAGRAMS Figure 17 - T ypical W iring Diagram for Model CAUA with Direct-Drive Blower Motor(s) 208 OR 230/1/60 GRD G BK OPTIONAL DISCONNECT SWITCH CONT ACTS HEA .
Form 405, Page 18 Figure 18 - T ypical W iring Diagram for Models CAUA with Belt-Drive Blower Motor 40 V A. CONTROL BK BL 24V LINE VOL T BR TRANSFORMER Y LINE GROUND PSW HI LIMIT HI LIMIT PRESSURE SWITCH HIGH LIMIT W G R 24V AC FLAME SENSING PROBE FLAME SENSE IGNITOR HV LEAD ROLLOUT LED BK BK BL BL BL BL R Y Y R BR BR R BR R CHASSIS GRND.
Mfg No. 164771, Page 19 17. Optional Cased Cooling Coil, Model ACUA, ACUB, or ACUC This cased cooling coil is designed for use with the Model CAUA upflow heater . It is shipped separately for field installation over the discharge opening of the heater .
Form 405, Page 20 OPTIONAL ACCESSORIES (cont'd) 18. Optional Filter Cabinet (return air only) A filter cabinet designed for 2" pleated disposable or permanent metal filters is shipped separately for field assembly and installation. Depending on the option selected, filters are either shipped with the cabinet or are field-supplied.
Mfg No. 164771, Page 21 20. Discharge Plenum (Sizes 350 and 400 only) The optional discharge plenum is designed to be used with a screened mounting base (Paragraph 21) to create a "packaged stand-alone" upflow system that circulates building air .
Form 405, Page 22 T op V iew of Gas V alve used on CAUA 150 and 200 Control Knob on T op of Gas V alve used on CAUA 250 - 400 Check/T est/Start-Up 22. Check Installation & Start-Up Check the installation prior to start-up: % Check clearances from combustibles.
Mfg No. 164771, Page 23 DANGER: The gas burner in this gas-fired equipment is designed and equipped to provide safe and economically controlled complete combustion. However , if the installation does not permit the burner to receive the proper supply of combustion air , complete combustion may not occur .
Form 405, Page 24 ©2001 Thomas & Betts Corporation, All rights reserved. Printed in the U.S.A. MANUF ACTURER OF HEA TING, COOLING, AND VENTILA TING SYSTEMS T rademark Note: Reznor ® is registered in the United States and other countries. (800) 695-1901; www .
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