Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 1 INSTALLATION, OPERATION AND MAINTENANCE MANUAL FOR HYDRONIC UNIT HEATERS MANUEL D’INSTALLATION ET D’ENTRETIEN DES AEROTHERMES MANUAL DE INSTALACION Y MANTENIMIENTO DE LOS AEROTERMOS M E R C E R , PA U. S . A . 1 6 1 3 7 E 07/07 C 07/07 Cod.
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 2 2 CONTENTS INDICE Purpose 2 Hazard Intensity Levels / Safety Rules 4 Cleaning & water treatment instructions closed heating system 5 Unit heater maintenance & water treatment 6 Receiving the unit 6 Technical characteristics 7 Installation 8 Hydraulic connection 9 Hot water connection 10 Steam connection 10 Electrical connections 11 Cleaning, maintenance and spare parts 12 Technical data 13 But Prescriptions de securité Instructions de nettoyage et tra
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 4 The big tube diameter reduces the water pressure drops. This means more water can be pumped with less force. It also results in a very rapid heat-up. Le grand diamètre des tubes réduit les pertes de chargement de l’eau; ceci signifie que la pompe est limitée de puissance et que la capacité de chauffage est très rapide.
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 6 HAZARD INTENSITY LEVELS PRESCRIPTIONS DE SECURITE PRESCRIPCIONES DE SEGURIDAD The following notations are made throughout this manual. Each denotes a specific level of hazard intensity.
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 8 CAUTION: Do not remove the security labels. If they are unreadable contact an authorized distributor for replacement labels. Ne pas détacher les étiquettes de sécurité; au cas où elles sont illisibles, en demander la substitution. No quitar las etiquetas de seguridad. En caso de que sean ilegibles, pedir su substitución. CAUTION: Always wear work gloves when installing or servicing the heater.
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 10 6 UNIT HEATER MAINTENANCE & WATER TREATMENT ENTRETIEN AEROTHERME ET TRAITEMENT DE L’EAU MANTENIMIENTO DEL AEROTERMO Y TRATAMIENTO DEL AGUA Every Steam or Hot water system requires a proper Water Treatment Program with regular water analyses, adequate regulated drains, correct maintenance, periodic safety checks and periodic inspection follow-up.
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 12 TECHNICAL CHARACTERISTICS CARACTERISTIQUES TECHNIQUES CARACTERISTICAS TECNICAS Horizontal Discharge Vertical Discharge Max Mounting Heights: Max Mounting Heights: H Fan Motor H Throw Cover ft2 ➀ m2 Fan Motor ft m ft m ft m Low Speed 10 3 16 5 10 3 344 32 High Speed 10 3 23 7 11 3,5 473 44 Low Speed 10 3 16 5 10 3 366 34 High Speed 10 3 25 7,5 11 3,5 516 48 Low Speed 10 3 18 5,5 11 3,5 387 36
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 14 > 150 mm REZNOR HYDRONIC UNIT HEATER " " " " " " " " " " " " " " " " " " " " " " " " " " " " REZNOR HYDRONIC UNIT HEATER SHW 18/24 SHW 23/33 SHW 44/62 SHW 60/85 SHW 78/110 SHW 96/120 SHW 140/175 SHW 190/238 SHW 300/350 DENOMINATION 100 100 100 100 120 120 120 130 130 4" 4" 4" 4" 4 - 3/4" 4 - 3/4" 4 - 3/4" 5 - 1/8" 5 - 1/8" A INCH 8 INSTALLATION INSTALLATION INSTALACION ATTENTION ATTENTION ATENCION DANGER: PLEASE DON’T ALLOW ANY FOREIGN OBJ
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 16 C - Suspended from the ceiling for vertical down air flow as follows: C1 - Determine the installation height, C2 - Attach the suspension plates (provided) to be unit heater with the four (4) M8 (metric) screws with flat washers (also provided). C3 - Hang unit by wire ropes, pull chains, bars, threaded rod or similar means (follow all local codes regarding hanging of ceiling suspended unit heater).
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 18 HOT WATER CONNECTION STEAM CONNECTION The hot water connection is performed according to the diagram shown: The steam connection is performed according to the diagram shown: MAXIMUM PRESSURE: 10 BAR / 150 psi. MAXIMUM PRESSURE: 10 BAR / 150 psi.
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 20 ELECTRICAL CONNECTIONS CONNEXIONS ELECTRIQUES CONEXIONES ELECTRICAS Before connecting the motor make sure that the electrical power is off. Avant d’effectuer les connexions aux moteurs s’assurer que l’interrupteur soit sur 0 = OFF. Antes de efectuar la conexión de los motores, asegurarse que el interruptor se encuentre en la posición ”OFF” WARNING: A security shut-off switch must to be mounted near the unit in an easily accessible position.
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 22 CLEANING, MAINTENANCE AND SERVICE NETTOYAGE, ENTRETIEN ET PIECES DE RECHANGE LIMPIEZA, MANTENIMIENTO Y RECAMBIOS WARNING: BEFORE CLEANING OR SERVICING THE HEATER,DISCONNECT THE POWER SOURCE. AVANT DE FAIRE N’IMPORTE QUEL NETTOYAGE OU ENTRETIEN ISOLER L’APPAREIL DE LA SOURCE D’ENERGIE. ANTES DE EFECTUAR CUALQUIER OPERACIÓN DE LIMPIEZA Y MANTENIMIENTO, EL APARATO TIENE QUE SER DESCONECTADO DE LA FUENTE DE ENERGIA.
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 24 Sigle Phase 115 Volt 60 Hz.
Manuale REZNOR 4050489 17-07-2007 11:21 Pagina 26 TECHNICAL DATA with Hot Water for HA 11 - HA 12 Entering Water Temperature (EWT): 20°F(93°C) - Water Temperature Drop (WTD):20° (11°C) Entering Air Temperature (EAT): 60° (16°C) TABLE A - Low Speed Fan Setting Size Approx. Fan rpm MBH Output Leaving Air Temp. (LAT) °F °C Water Flow Gal. per Minute Liters per Minute cfm 1,050 13 104° 40° 1.31 4.96 0.06 270 459 1,050 17 107° 42° 1.72 6.49 0.
Manuale LENNOX AXIL 17-07-2007 10:11 Pagina 28