Page 2 - Preface and Warnings and Cautions; Hazard Identification
Preface and Warnings and Cautions © 2007 American Standard All Rights Reserved UH-SVX01A-EN Hazard Identification Warnings and Cautions appear at appropriate sections throughout this literature. Read these carefully. WARNING Indicates a potentially hazardous situation which, if not avoided, could ...
Page 3 - Contents
UH-SVX01A-EN 3 Model Number Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Installation . . . . . . . . . . . . . . . . . . . ...
Page 4 - Description; Do not alter these; If you have any questions; Serpentine Type; UHP; Hot Water Only (Coil Type A; Model Number Description
4 UH-SVX01A-EN Description Vertical hydronic unit heaters are designed for installation requiring down flow air delivery, offered in 15 sizes ranging from 41,300 to 705,000 BTU/Hr., and use with steam or hot water. Low output (increased airflow) units are available for high ceiling applications.The ...
Page 6 - Figure 6; Mounting Height and Approx. Heat Throw; Location
6 UH-SVX01A-EN It is assumed that the design engineer has selected, sized, and located in the area to be heated. However, the information given here may be of additional help to the installer. These sketches indicate suggested basic locations for different types of unit heaters. Horizontal unit heat...
Page 7 - Four Point Suspension-Shelf Mounted Motors Only
UH-SVX01A-EN 7 Location Figure 9. Four Point Suspension-Shelf Mounted Motors Only CL CL D6340 UNIT SIZE 048/060 072 084 & 120 096/108 132/144/156 180/204 240/280 300/360 A 17-13/16 31-9/16 26-1/16 22-13/16 21-9/16 19-1/16 15-5/16 16-9/16 2-1/2 6" 10" 3-1/2 4" 3" 1-7/8 2-1/2 4-1/2...
Page 8 - Forced Hot Water
8 UH-SVX01A-EN Location Figure 10. Forced Hot Water RETURN SUPPLY PET COCK (SYSTEM VENT) GATE VALVE GATE VALVE DRAIN VALVE "FORCED HOT WATER" D-6056
Page 9 - Forced Hot Water: Serpentine Unit Only
UH-SVX01A-EN 9 Location Figure 11. Forced Hot Water: Serpentine Unit Only "FORCED HOT WATER" (Serpentine Units) RETURN SUPPLY PET COCK (SYSTEM VENT) GATE VALVE GATE VALVE DRAIN VALVE D-6057
Page 10 - High Pressure Steam
10 UH-SVX01A-EN Location Figure 12. High Pressure Steam PITCH UP PITCH UP RETURN SUPPLY PET COCK GATE VALVE "HIGH PRESSURE STEAM" GATE VALVE BUCKET TRAP (WITH AIR BYPASS) STRAINER D-6058
Page 11 - Low Pressure Steam Gravity
UH-SVX01A-EN 11 Location Figure 13. Low Pressure Steam Gravity RETURN SUPPLY GATE VALV E "LOW PRESSURE STEAM GRAVITY" GATE VALVE AIR VENT MIN. SIZE 3/4 CHECK VALVE PITCH UP 10" MIN. (254 MM) PITCH UP D-6059
Page 12 - Low Pressure Vapor Or Vacuum
12 UH-SVX01A-EN Location Figure 14. Low Pressure Vapor Or Vacuum PITCH UP PITCH UP RETURN SUPPLY GATE VALVE "LOW PRESSURE GATE VALVE F & T TRAP STRAINER VAPOR OR VACUUM" D-6060
Page 13 - Table 2; EXAMPLE; Table 4; Installation
UH-SVX01A-EN 13 Installation: P Type Periodic Service WARNING Heavy Objects! Ensure that all hardware used in the suspension of each unit heater is more than adequate for the job. Failure to do so may result in extensive property damage, severe personal injury or death. CAUTION Lifting/Suspensio...
Page 18 - Piping; Connections are given in
18 UH-SVX01A-EN Installation Piping To provide proper coil operation, follow all piping recommendations listed in this manual. Threaded pipe headers are provided on all Vertical Units for piping connections. See Figure 25 . Connections are given in Figure 18 and Figure 19 and Table 27 and Table 28 ....
Page 20 - at four points. Refer to
20 UH-SVX01A-EN Installation Installation: S Type Unit Mounting WARNING Heavy Objects! Ensure that all hardware used in the suspension of each unit heater is more than adequate for the job. Failure to do so may result in extensive property damage, severe personal injury or death. WARNING Structu...
Page 21 - and; Louver Cone Diffuser; Fan Guard/Louver Installation
UH-SVX01A-EN 21 OSHA Fan Guard/Louver Cone Diffuser Installation Detail WARNING Hazardous Voltage Do not mount either the Louver Cone Diffuser or OSHA Fan Guard while unit is in operation or severe personal injury may occur. Disconnect all power supplies to the unit before installing the Louver Co...
Page 22 - Vertical Unit with Louver Cone Diffuser
22 UH-SVX01A-EN Fan Guard/Louver Installation Figure 22. Vertical Unit with Louver Cone Diffuser Figure 23. Vertical Unit with OSHA Fan Guard
Page 23 - Dimensional Data: P Model; Dimensional Data
UH-SVX01A-EN 23 Dimensional Data: P Model Figure 24. Models 42-80 Table 8. Roughing in Dimensional Data - Model Size 42-80 Unit Capacity (MBH) Fan Dia. A B C D E F G H K L (Min.) P (NPT) R S T U V 042 11 1/4 18 1/4 4 5/8 1 1/4 11 3/4 3/4 4 11 1 3/8 1 7/8 7 1 1/2 3 5/8 6 5/8 2 3/4 11 3 5/8 064 13 1/2...
Page 25 - Dimensional Data: S Model
UH-SVX01A-EN 25 Dimensional Data Dimensional Data: S Model Note: Motors are totally enclosed, thermally protected, sleeve bearing, with 4" (w) x 2" (h) conduit connection boxes. 3/8-16 nutserts are attached to enclosure for balanced hanging. Figure 26. Serpentine Type Models A08, A18, A25, A...
Page 28 - Technical Data: S Models; The performance data listed in; Technical Data
28 UH-SVX01A-EN Technical Data: S Models The performance data listed in Table 11 includes sound ratings. The ratings provide a guide in determining the acceptable degree of loudness in particular occupancy situations. Certain general rules apply to specific selection of unit heaters with regard to d...
Page 29 - Technical Data: P Model
UH-SVX01A-EN 29 Technical Data Technical Data: P Model The performance data listed in Table 13 , Table 14 , and Table 15 include sound ratings. The ratings provide a guide in determining the acceptable degree of loudness in particular occupancy situations. Certain general rules apply to specific sel...
Page 30 - Wiring Diagram of; Options
30 UH-SVX01A-EN Options: S Models Variable Speed Control 115 Volt Only (optional) The solid state speed controller may be installed at any convenient location and is suitable for surface or flush type mounting. A Standard electrical single or double gang wall box is recommended as in Figure 28 . Ins...
Page 31 - Installation Procedure:
UH-SVX01A-EN 31 Options Options: P Models Variable Speed Control 115 Volt Only (optional) The solid state speed controller may be installed at any convenient location and is suitable for surface or flush type mounting. A standard electrical single or double gang wall box is recommended as in Figure ...
Page 32 - through; Operation; See; Electrical Connections
32 UH-SVX01A-EN Electrical Connections: P Model WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing. Failure to disconnect power before servicing can cause severe personal injury or death. WARNING Hazardous Voltage Do not use any tools (i.e. scre...
Page 33 - Fan Motor Connections
UH-SVX01A-EN 33 Electrical Connections Figure 32. Fan Motor Connections Low Voltage with Protector Select Rotation (CCW shown)(Marathon) For CW Rotation Interchange (Red and black lead) Figure 33. Figure 34. Fan Motor Connections Low Voltage CCW Internal (Marathon) Figure 35. Fan Motor Connections 1...
Page 34 - Wiring Installation: P Model; Notice
34 UH-SVX01A-EN Electrical Connections Wiring Installation: P Model Notice 1. When using a speed controller, always locate the thermostat between the speed controller and the line, not between the motor and the controller. 2. For internal wiring and overload protection on all starters, consult the c...
Page 35 - MANUAL CONTROL WITH; WARNING
UH-SVX01A-EN 35 Electrical Connections Figure 44. Figure 45. Figure 46. MOTOR MANUAL S TARTING S WITCH 3 PHA S E LINE MANUAL CONTROL WITH THREE PHASE MOTOR LIMIT CONTROLLERREVER S E ACTING THERMO S TAT MOTOR MANUAL S TARTER WITH BUILT IN S ELECTOR S WITCH 1 PHA S E LINE THREE POSITION SELECTOR SWITC...
Page 36 - Wiring Installation: S Model
36 UH-SVX01A-EN Electrical Connections Wiring Installation: S Model Notice 1. When using a speed controller, always locate the thermostat between the speed controller and the line, not between the motor and the controller. 2. For internal wiring and overload protection on all starters, consult the c...
Page 38 - Motor Data
38 UH-SVX01A-EN Motor Data: P Models CAUTION Voltage Selections Select appropriate AMP, MCA, and MOP for the multiple voltage motors. For example, the AMP, MCA, and MOP for Model 40 with a 230 volt Totally Enclosed motor is 1.1, 1.4, and 2.5 respectively. Note: All motors are constant speed and op...
Page 39 - CAUTION
UH-SVX01A-EN 39 Motor Data For Table 17 * Optional variable speed switch is available. ** These motors have automatic thermal over- load protection or impedance protection. *** These motors are 230/460 volts only. † Models 336 through 720 are not available for either Totally Enclosed or Explosion Pr...
Page 41 - Steam Performance Data
UH-SVX01A-EN 41 Table 20. Model S Header Type Only Unit Size Output BTU/ HR* (kW) Cond. lbs./hr. (kg/hr) E.D.R. Sq. Ft. (sq. m) Final Air Deg. °F (Deg. °C) Motor HP (kW) RPM Nominal CFM (m 3 /s) Outlet FPM (m/s) Nom. Amps @ 115 VAC † Nom. Fan Diam. Inches (mm) 018 18,000 (5.3) 18.0 (8.2) 75 (7.0) 10...
Page 45 - Ratings apply only to free inlet and discharge without diffusers.
UH-SVX01A-EN 45 Steam Performance Data Note: Ratings apply only to free inlet and discharge without diffusers. Note: All motors are constant speed and operate at top speed as indicated in motor data. Models 42 through 102 can be run at reduced speed with addition of optional variable speed switch. T...
Page 46 - Hot Water Performance Data
46 UH-SVX01A-EN Table 29. Model S Serpentine and Header Type Unit Size Output BTU/HR* (kW) Flow Rate GPM (L/s) Final Air Deg. °F (Deg. °C) Prssr. Drop FT./H2O (m/water) Motor HP (kW) RPM Nominal CFM (m 3 /s) Outlet FPM (m/s) Nom. Amps @ 115VAC† Sound Rating A08 8,030 (2.4) 0.8 (.050) 91 (33) 0.80 (....
Page 55 - a. Loosen the dirt with a brush; Maintenance
UH-SVX01A-EN 55 Periodic Service WARNING Hazardous Voltage Open all disconnect switches and secure in that position before servicing unit. Failure to do so may result in personal injury or death from electrical shock. CAUTION Rotating Components Allow rotating fans to stop before servicing to av...
Page 56 - Fan and Motor Assembly; the four panel mounting bolts. See; Cross Section View
56 UH-SVX01A-EN Maintenance Additional "P" Model Instructions Fan and Motor Assembly For cleaning or maintenance purposes, the fan and motor assembly may be removed easily from the Unit Heater. The motor is attached to the fan guard which is, in turn, mounted to the top or back panel of the ...
Page 57 - Warranty Info
UH-SVX01A-EN 57 LIMITED WARRANTY: S Model HORIZONTAL STEAM & HOT WATER UNIT HEATERS The Manufacturer warrants to the original owner at the original installation site that the Horizontal Steam and Hot Water Unit Heaters (the “Product”) will be free from defects in material and workmanship for a p...
