Daikin UDH Installation Instructions Manual Download Page 1

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Installation & Maintenance Data

IM 907

Group:

Fan-Coil

Part Number:

668709201

Date:

January 2008

Steam/Hot Water Unit Heaters

Installation Instructions for Horizontal Air Delivery Model UHH

and Vertical Air Delivery Model UDH

Model UHH

Model UDH

Summary of Contents for UDH

Page 1: ...ance Data IM 907 Group Fan Coil Part Number 668709201 Date January 2008 Steam Hot Water Unit Heaters Installation Instructions for Horizontal Air Delivery Model UHH and Vertical Air Delivery Model UDH...

Page 2: ...ice for standard horizontal and vertical air flow units Unit heaters should be installed following directions in this manual for proper performance and application to terms and conditions of manufactu...

Page 3: ...sult in personal injury or WARNING The installer must determine and follow all applicable codes and regulations This equipment presents hazards of electricity rotating parts sharp edges heat and weigh...

Page 4: ...uld generally be located in the central area of the space to be heated Place horizontal delivery units along the walls of the same building where heat loss is usually greatest See Figure 2 7 When only...

Page 5: ...4 46 UHH 108 UHH 121 UHH 165 UHH 193 UHH 258 UHH 290 UHH 340 Height Ft Spread Ft Model Size To determine how non standard steam pressures other than 2 lb affect mounting height Maximum Mounting Height...

Page 6: ...k dimensions Horizontal Delivery Units Model UHH Series All horizontal delivery units have two tapped holes 3 8 16 in the top for unit suspension Piping support hangers or clamps are recommended and s...

Page 7: ...Pressure Steam Steam Systems UHH 108 through 340 Horizontal Unit Heater Top Bottom Connection for High Pressure Steam Horizontal Unit Heater Top Bottom Connection for Low Pressure Steam Open Gravity...

Page 8: ...e a vacuum breaker should be installed between the unit outlet and the trap If a vacuum breaker is used it should be in conjunction with a float and a thermostatic trap 7 Install a dirt pocket at the...

Page 9: ...ttent Fan Operation Intermittent Hot Cold Coil To prevent a unit heater from deliver ing cold air when the thermostat is calling for heat an aquastat prevents fan operation when the heat supply to the...

Page 10: ...for operations in areas containing flour starch or grain dust Class III motors are for operations in areas containing easily ignitable fibers and flyings N A N A N A N A 1 4 0 7 1 4 0 7 2 2 1 1 2 2 1...

Page 11: ...AIR DELIVERY Model Type UHH 1550 1550 1550 1550 1550 1550 1075 1075 1075 1075 1075 1100 1100 Notes 1 Performance Data at Standard Conditions of 2 lb Steam and 60 F Entering Air Units with horizontal...

Page 12: ...0 17 300 24 500 33 800 46 500 61 900 81 000 90 000 133 000 156 000 198 000 224 000 273 000 1 3 1 7 2 5 3 4 4 7 6 2 8 1 9 0 13 3 15 6 19 8 22 4 27 3 0 49 0 83 0 12 0 21 0 47 0 79 0 85 1 04 2 48 3 35 3...

Page 13: ...data is for units without deflectors Please see Catalog 702 for additional outlet accessory performance data See Table 12 on page 14 for Sound Class definitions 11 15 16 17 19 21 24 25 27 31 30 33 40...

Page 14: ...tores Tea Rooms Upper Floors at Department Stores II Bank Lobbies Cafeterias Drug Stores General Offices Grocery Stores Gymnasiums Main Floors at Department Stores Public Buildings III Post Offices Re...

Page 15: ...HH 258 UHH 290 UHH 340 15 15 19 19 19 19 27 27 27 27 33 33 39 16 7 8 16 7 8 19 3 4 19 3 4 25 3 4 25 3 4 25 7 8 25 7 8 31 7 8 31 7 8 40 13 16 40 13 16 40 13 16 7 1 2 7 1 2 7 1 2 7 1 2 8 1 2 8 1 2 9 1 2...

Page 16: ...75 23 75 26 875 32 875 41 8125 41 8125 Table 14 Dimensions Model UHX UNIT SIZE A B C D E F G H I 21 5 21 5 22 675 23 465 24 646 26 615 28 189 0 67 0 67 0 67 0 67 0 67 0 67 0 67 8 47 10 484 10 484 14 5...

Page 17: ...4 Table 15 Dimensions Model UDH UNIT SIZE A B C D E F G MALE NPT CONNECTIONS FAN DIAMETER APPROX SHIPPING WT LB UDH 42 59 UDH 78 95 UDH 139 161 UDH 193 212 UDH 247 279 UDH 333 385 UDH 510 UDH 610 6 3...

Page 18: ...l UDX UNIT SIZE A B C D E F G H 6 375 6 375 6 375 6 375 10 375 10 375 12 375 12 375 12 375 12 375 3 125 3 125 3 125 3 125 3 125 3 125 4 4 4 4 15 15 17 17 18 875 18 875 20 875 20 875 22 875 22 875 2 75...

Page 19: ...umulation on fan blades 4 Fan hub or blade rivets loose 5 Motor shaft thrust bearing worn 6 Motor mounting bent fan not positioned properly in venturi 7 Unit mounted too rigidly transmits vibration no...

Page 20: ...gh pressure air hose to loosen dirt by blowing from side where air leaves coil side adjacent to louvers on blow through units side adjacent to fan on draw through units For thorough cleaning of coil r...

Page 21: ...______________________________ Serial Number ____________________________________________________________________________ Power Code ___________________________________________________________________...

Page 22: ...on of parts or con trols not approved by the factory will be at customer s risk Note Daikin reserves the right to substitute parts of advanced design and to change specifications or prices without adv...

Page 23: ......

Page 24: ...our local Daikin Representative for warranty details Refer to Form 933 43285Y To find your local Daikin Representative go to www DaikinApplied com This document contains the most current product infor...

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