Mestek SEPARATED COMBUSTION GAS FIRED PROPELLER UNIT HEATER Spezifikationen

07/13STPIM-2J30-09054Unit No.Serial No.ATTENTION: READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY BEFORE ATTEMPTING TO INSTALL, OPERATE

10HAZARDOUS VOLTAGE! DISCONNECT ALL ELECTRIC POWER INCLUDING REMOTE DISCONNECTS BEFORE SERVICING. Failure to disconnect power before servicing can cau

11ELECTRICAL CONNECTIONS (continued)Figure 5d - Separated Combustion Tubular Units Equipped with Natural Gas and Propane (LP) Gas

12ELECTRICAL CONNECTIONS (continued)Figure 5e - Separated Combustion Tubular Unit Sizes with Optional 2 Stage Ignition

13VENTINGObserve the following precautions when venting the unit:1. Use fl ue pipe of the same size as the fl ue connections on the gas unit heater (See

14Horizontal venting arrangements are designed to be used with single wall vent pipe. Horizontal venting arrangements must terminate external to the b

15VENTING (continued)COMBUSTION AIR VENTING AND PIPING Never operate unit heaters without combustion air and flue gas piping in place or severe person

16VENTING (continued)Figure 6A - Vertical Intake/Vent Installation * 2 ft. minimum plus maximum snow depth for area.** If excessive condensation de

17Figure 6B - Horizontal Intake/Vent LocationsFigure 7B - Horizontal Vent Installation

18Figure 8A - Vertical Venting Requirements ADDITIONAL REQUIREMENT FOR CANADIAN IN

19OPERATIONSEPARATED COMBUSTION TUBULAR PROPELLER UNITS DIRECT SPARK IGNITIONEXPLANATION OF CONTROLS:1. The unit heater is equipped with a power vent

2TABLE OF CONTENTSThe following terms are used throughout this manual, in addition to the ETL requirements to bring attention to the presence of poten

20OPERATION (continued)PRIMARY AIR SHUTTER ADJUSTMENTPrimary air adjustment is made at the factory. No fi eld adjustments are necessary.GAS INPUT RATE2

213.53.53.33.23.23.23.13.13.03.02.92.92.82.82.72.72.6948931914897881865849833818802787771756741726711696TUBULAR UNIT HEATER HIGH ALTITUDE DERATIONThis

22 1. Burner orifi ce too small. 1. Irregular orifi ce causing whistle or resonance. 2. Excessive gas input. 1. Clogged main burners. 2. Misaligned o

23 1. Thermostat located incorrectly. 2. Improper thermostat wiring. 3. Shorted circuit. 4. Defective/sticking gas valve. 5. Excessive gas supply

24 Q. Cold air is delivered during heater operation. R. High limit tripping. S. Power ventor will not run. T. Power ventor turns on and off duri

25Table 8 - Separated Combustion Tubular Propeller Troubleshooting with LED Indicator AssistanceNo Cycling or appliance power or thermostat call for h

26MAINTENANCEPERIODIC SERVICE2. Turn off the manual gas valve and electrical power to the unit heater.3. To clean or replace the burners, remove bur

27LIMITED WARRANTYSeparated Combustion Tubular Propeller Unit Heaters1. The "Manufacturer" warrants to the original owner at original insta

28IDENTIFICATION OF PARTS PROPELLER UNIT HEATERSFigure 12 - Heat Exchanger Assembly Figure 13 - Electrical Control PanelFigure 10 - Propeller Parts Fi

29Figure 14 - Power Venter Assembly (150/250 Unit Sizes Shown)Figure 16 - Turbulator/High Limit LocationFigure 15 - Power Venter Assembly (300/400 Uni

3GENERAL SAFETY INFORMATION Failure to comply with the general safety information may result in extensive property damage, severe personal injury, or

30NOTES:

31Digit #1, 2 - Unit Type [UT] Digit #12 - Motor Type [MT]SF - Separated Combustion Tubular Propeller 1 - Open Drip Proof (Standard)2 - Totally Enclos

Customer ____________________________________ Job Name & Number _________________________PRE-INSPECTION INFORMATIONWith power and gas off.Type

4Table 1 - Performance and Dimensional Data - Separated Combustion Tubular Propeller Unit HeaterFigure 2 - Dimensional Drawing – Separated Combustion

5INSTALLATION Do not install unit heaters in corrosive or fl ammable atmospheres! Premature failure of, or severe damage to the unit will result! Avoid

6INSTALLATION (continued)Table 2 - Heat Throw DataStandard Heater 30° Nozzle 60° Nozzle 90° NozzleDegree of NozzleDistance From Floor to Bottom of Uni

7INSTALLATION (continued)Figure 3A - Heater Mounting**All hanging hardware and wood is not included with the unit (To be fi eld supplied).Note: Threade

8 To avoid damage or possible personal injury, do not connect gas piping to this unit until a supply line pressure/leak test has been completed. Conne

9PIPE INSTALLATIONFigure 4 - Pipe Installation, Standard Controls Never use an open fl ame to detect gas leaks. Explosive conditions may exist which ma