Table of Contents
Advertisement
Quick Links
ATTENTION: READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY BEFORE
ATTEMPTING TO INSTALL, OPERATE OR SERVICE THESE UNITS! CHECK UNIT DATA PLATE FOR TYPE
OF GAS AND ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THESE AGREE WITH THOSE AT
POINT OF INSTALLATION. RECORD THE UNIT MODEL AND SERIAL No.(s) IN THE SPACE PROVIDED.
RETAIN FOR FUTURE REFERENCE.
Model No.
tion, service or maintenance can cause property dam-
age, injury or death. Read the installation, operating and
maintenance instructions thoroughly before installing or
servicing this equipment.
Installer Please Note: This equipment has been tested and
inspected. It has been shipped free from defects from our fac-
tory. However, during shipment and installation, problems such
as loose wires, leaks or loose fasteners may occur. It is the
installer's responsibility to inspect and correct any prob-
lems that may be found.
Inspect shipment immediately when received to determine if
any damage has occurred to the unit during shipment. After
the unit has been uncrated, check for any visible damage to the
unit. Turn fan by hand to determine if damage has occurred.
If any damage is found, the consignee should sign the bill of
lading indicating such damage and immediately fi le claim for
damage with the transportation company.
260 NORTH ELM ST.
WESTFIELD, MA 01085
www.mestek.com
03/10
INSTALLATION INSTRUCTIONS & PARTS LIST
VERTICAL STEAM AND HOT WATER UNIT HEATERS
Improper installation, adjustment, altera-
INSTALLER'S RESPONSIBILITY
RECEIVING INSTRUCTIONS
Serial No.
VISM-7
J30-05403
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Mestek VERTICAL STEAM HOT WATER HEATER
Summary of Contents for Mestek VERTICAL STEAM HOT WATER HEATER
- Page 1 Turn fan by hand to determine if damage has occurred. If any damage is found, the consignee should sign the bill of lading indicating such damage and immediately fi le claim for damage with the transportation company. 260 NORTH ELM ST. WESTFIELD, MA 01085 www.mestek.com 03/10...
-
Page 2: Table Of Contents
TABLE OF CONTENTS GENERAL SAFETY INFORMATION ......3 ELECTRICAL CONNECTIONS ........ 20 SPECIFICATIONS Operation ............. 20 Dimensional Data ..........4 Thermostat Wiring and Location ......20 Mounting Specifi cations ....3, 4, 7, 15-18, 27 Motors ..............20 Steam Performance Data ........5, 6 WIRING INSTALLATION ........ -
Page 3: General Safety Information
GENERAL SAFETY INFORMATION Failure to comply with the general Do not insert fi ngers or foreign objects into the heater safety information may result in extensive property or its air moving device. Do not block or tamper with the damage, severe personal injury or death. heater in any manner while in operation or just after it has been turned off, as some parts may be hot enough Do not alter the unit heater in any... -
Page 4: Dimensional Data
DIMENSIONAL DATA Figure 3 - Models 40-77 Figure 4 - Models 104-700 (4) MOUNTING HOLES (4) MOUNTING HOLES - 16 FOR MODELS 104-367 - 16 FOR MODELS 40-77 THREAD TAPS THREAD TAPS - 13 FOR MODELS 495-700 CEILING CEILING STEAM STEAM SUPPLY SUPPLY... -
Page 5: Steam Performance Data
STEAM PERFORMANCE DATA** Table 3 - Standard Units Final Outlet Motor Condensate E.D.R. Nominal Velocity Unit Output lbs./hr Temp. °F H.P. Sound Sq. ft. BTU/HR Capacity (m/s) (kg/hr) (°C) (kW) Rating (Sq. m) (MBH) (kW) 41,300 1550 1/40 (12.1) (19.5) (16.0) (51) (.278) - Page 6 STEAM PERFORMANCE DATA** Table 4 - “Low Output” Standard Vertical Units with All Air Ports Open Final Outlet Motor Output Condensate E.D.R. Nominal Velocity Unit BTU/HR lbs./hr Sound Temp. °F H.P. Capacity Sq. ft. (kW) (kg/hr) Rating (MBH) (Sq. m) °C (kW) (m/s)
-
Page 7: Steam Calculations & Correction Factors
STEAM CALCULATIONS AND CORRECTION FACTORS EXAMPLE: – UNIT SIZE __________ 40 Steam Pressure ___10 PSI Entering Air Temp. __ 40°F CAPACITY A. For 2 lbs. steam, 60° entering air Read output directly from Table 3: 41,300 BTU/HR. B. For higher steam pressures Multiply output from Table 3 by appropriate correction and/or E.A.T.’s above or below 60°F factor from Table 5 (below). -
Page 8: Hot Water Performance Data
HOT WATER PERFORMANCE DATA** Table 7 - Standard Output Units Water Flow Press. Final Outlet Temp. Output Rate Drop Motor Nominal Velocity Model Drop G.P.M. ft/water Temp. °F Sound H.P. °F (°C) (kW) (L/s) (m/water) (°C) (kW) R.P.M. (m/s) Rating 10°... - Page 9 HOT WATER PERFORMANCE DATA** Table 7 - Standard Output Units Water Flow Press. Final Outlet Temp. Output Rate Drop Motor Nominal Velocity Model Drop G.P.M. ft/water Temp. °F H.P. Sound °F (°C) (kW) (L/s) (m/water) (°C) (kW) R.P.M. (m/s) Rating 10°...
- Page 10 HOT WATER PERFORMANCE DATA** Table 8 - Low Output Units Standard Vertical Unit with All Air Ports Open Water Flow Press. Final Outlet Temp. Output Rate Drop Motor Nominal Velocity Model Drop G.P.M. ft/water Temp. °F H.P. Sound °F (°C) (kW) (L/s) m/water...
- Page 11 HOT WATER PERFORMANCE DATA** Table 8 - Low Output Units Standard Vertical Unit with All Air Ports Open Water Flow Press. Final Outlet Temp. Output Rate Drop Motor Nominal Velocity Model Drop G.P.M. ft/water Temp. °F H.P. Sound °F (°C) (kW) (L/s) (m/water)
-
Page 12: Hot Water Calculations & Correction Factors
HOT WATER CALCULATIONS AND CORRECTION FACTOR EXAMPLE: – UNIT SIZE _______________________ 40 Entering Water Temp. ____________ 160°F Entering Air Temp. _______________ 40°F Water Temperature Drop __________ 10°F CAPACITY @ 20° TD: A. For 200° EWT, 60° EAT Read output directly from Tables 7 & 8, 22,700 BTU/HR (Ref., Std. -
Page 13: Technical Data
TECHNICAL DATA The performance data listed in Tables CATEGORY OF AREA SOUND RATING 3, 4, 7 and 8 include sound ratings. The Apartment, assembly hall, classrooms ratings provide a guide in determining churches, courtrooms, executive offi ces, the acceptable degree of loudness in hospitals, libraries, museums, theatres. -
Page 14: Motor Data
MOTOR DATA NOTE 1: All motors are constant speed and operate at NOTE 2: Stated draw is Full Load (FLA). AMP draw top speed as indicated in motor data. Models through 1/8 varies by motor manufacturer ± .2 AMPS. Verify FLA on H.P. -
Page 15: Installation
INSTALLATION It is assumed that the design engineer has selected, Make certain that the lifting sized, and located in the area to be heated by the design methods used to lift the heater and the method engineer. However, the information given here may be of of suspension used in the fi... - Page 16 Table 16 Maximum Mounting Height in Feet with and without Louver Cone Diffuser Steam Pressure (PSI) Steam Pressure (PSI) Unit Unit Size (13.8) (34.5) (68.9) (344.7) (517.1) Size (13.8) (34.5) (68.9) (344.7) (517.1) 10.5 10.0 10.0 18.0 17.5 17.5 15.0 14.0 (3.2) (3.0)
- Page 17 Table 16 Maximum Mounting Height in Feet with and without Louver Cone Diffuser Steam Pressure (PSI) Steam Pressure (PSI) Unit Unit Size Size (13.8) (34.5) (68.9) (517.1) (13.8) (34.5) (68.9) (344.7) (517.1) (344.7) 18.0 17.5 17.0 14.5 14.0 29.0 28.5 28.0 25.0 24.0...
- Page 18 Table 17 — Maximum Spread MODEL No. Spread ft (m) (4.6) (5.2) (6.1) (7.3) (7.9) (8.2) (8.5) (9.8) (10.7) (11.3) (13.7) (15.2) (16.5) (17.4) (18.3) Note: The “spread” is the diameter of the comfort zone at fl oor level. The above table represents the spread for standard units without a louver cone diffuser and mounted at its maximum height at 2 psi (13.8 kPa) steam pressure and 60°F (16*C) entering air.
-
Page 19: Piping
PIPING Dirt pockets should be the same pipe size as the return To provide proper coil operation, follow all piping tapping of the unit heater. Also, pipe size in the branch- off should be the same size as the tapping in the traps. recommendations listed in this manual. -
Page 20: Electrical Connections
ELECTRICAL CONNECTIONS THERMOSTAT WIRING AND LOCATION HAZARDOUS VOLTAGE! NOTICE: The thermostat must be mounted on a disconnect ALL ELECTRIC vertical vibration-free surface free from air currents POWER INCLUDING REMOTE and in accordance with the furnished instructions. DISCONNECTS BEFORE SERVICING. Failure to Mount the thermostat approximately 5 feet (1.5 m) above disconnect power before the floor in an area where it will be exposed to a free... - Page 21 Figure 10 Figure 12 Figure 11 Fan Motor Connections Fan Motor Connections Fan Motor Connections Low Voltage with 115/1/60 Constant Speed, Two Lead Low Voltage CCW Internal Protector Select Rotation (GE, Marathon, Universal) (Marathon) (CCW shown) (Marathon) Figure 13 Fan Motor Connections 3 Phase Wiring...
-
Page 22: Wiring Installation
WIRING INSTALLATION Figure 14 Figure 15 Figure 16 1 PHASE LINE 1 PHASE LINE 1 PHASE LINE MANUAL STARTING MANUAL STARTING MANUAL STARTING SWITCH SWITCH SWITCH MOTOR MOTOR MOTOR LIMIT CONTROLLER REVERSE ACTING ROOM THERMOSTAT ROOM THERMOSTAT MANUAL CONTROL WITH THERMOSTATIC CONTROL WITH THERMOSTATIC CONTROL WITH SINGLE PHASE MOTOR... -
Page 23: Options
OPTIONS VARIABLE SPEED CONTROL Figure 26 115 Volt Only (optional) Louver Cone Diffuser The Solid State speed controller may be installed at any Attached to Vertical Unit Heater convenient location and is suitable for surface or fl ush type mounting. A standard electrical single or double gang wall box is recommended as in Figure 25. -
Page 24: Maintenance
MAINTENANCE Open all disconnect switches and FAN AND MOTOR ASSEMBLY secure in that position before servicing unit. Failure For cleaning or maintenance purposes, the fan and to do so may result in personal injury or death from motor assembly may be removed easily from the Unit electrical shock. -
Page 25: Troubleshooting Guide
Table 20 - Troubleshooting Guide POSSIBLE CAUSE(S) CORRECTIVE ACTION SYMPTOMS 1. Frozen coil. A. Leaking coil. 1. Replace. 2. Defective coil. 2. Replace. 3. Corrosion. 3. Replace 4. Leak in joint. 4. Braze joint if joint is exposed where leak has occurred. 1. -
Page 26: Warranty
HOW TO ORDER REPLACEMENT PARTS Please send the following information to your local representative; If further assistance is needed, contact the manufacturer’s customer service department. • Model number • Serial Number (if any) • Part description and Number as shown in the Replacement Parts Catalog. LIMITED WARRANTY VERTICAL STEAM &... -
Page 27: Osha Fan Guard/Louver Cone Diffuser Installation
OSHA Fan Guard/ Louver Cone Diffuser Installation Detail The fi gures below show how both the OSHA Fan To meet CSA and OSHA requirements, units mounted Guard and the Louver Cone Diffuser are installed on below 8 feet (2.4 meters) must be equipped with an the Vertical Steam and Hot Water Unit Heater. - Page 28 EQUIPMENT START-UP Customer ____________________________________ Job Name & Number _________________________ PRE-INSPECTION INFORMATION With power and water/steam off. Type of Equipment: Unit Heater Serial Number _________________________ Model Number __________________________ Name Plate Voltage: _____________ Name Plate Amperage: _____________ Steam Hot Water Rating: _ _____ BTU @ ____ °F _ _____ kw @ ____ °C ❒...
Need help?
Do you have a question about the VERTICAL STEAM HOT WATER HEATER and is the answer not in the manual?
Questions and answers