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nstallation Instructions

GAS-FIRED AIR CONDITIONER

Installation of the Model 451 Gas Air Conditioning

Absorption unit consists of the following steps:

I. Locate and mount absorption unit.

II. Connect chilled water lines.

III. Electrical connections.

IV. Gas connections.

V. Charge system with water.

VI. Check-out and Operation.

VII. Adjust gas input.

VIII. Balance system.

IX. Purge Non-Condensibles.

Each of the above steps is discussed in detail in

this irtstructiofl. Read entire instruction before

starting installation.

Position unit and remove wooden shipping crate

base as shown in Figure 1.

1. Saw wood stringers as shown.

2. Remove unit access panels and remove 3 ship-

ing bolts from crate base.

3. Tilt one end of unit and remove half-section of

crate base; then reiiiove remaining section while

tilting the other end.

I. LOCATE AND MOUNT ABSORPTION UNIT

The absorption unit may be located at ground lével

or on the roof. Consult local codes for information

concerning proximity to property lines, height

above roof, obstructions, etc.

A. MOUNTING BASE

1. Use non-combustible materials.

2. Base should be large enough that unit will not

overhang.

3. A poured concrete slab, minimum 4" thick, is

recommended for ground installation.

4. On roof installations leave süfficieíit clearance

between unit base and roof top for proper air circu-

451

SERIES A

■

FMijJTTJjyMl

39451D1

5. A unit supported on concrete blocks will require

a block at each corner plus a fifth block under the

front, midway betweèn the front corner blocks.

B. CLEARANCES

See Figures 2 and 3 for typical locations.

1. Absorption unit should have a minimum clear

ance of 2 feet on all sides from any adjacent ob

struction.

2. Avoid locating the unit where hot condenser

discharge air can impinge on nearby obstructions

and mix with the inlet air supply. The condenser

air discharges upward at a small angle toward the

front of the unit. With the condenser facing the

wall the unit can be located at, or outside of the

, lation.

plumb line from any over-hang.

EH 451

Cancels: New

Effective 2/1/64,

1 2 3 4 5 6 ... 12 13

Résumé du contenu

Page 1 - FMijJTTJjyMl

nstallation InstructionsGAS-FIRED AIR CONDITIONERInstallation of the Model 451 Gas Air Conditioning Absorption unit consists of the following s

Page 2

mcnPILOT iWITCHi1 iPOWER SUPPLY 115 VOLTS5826301Figure 6 - Unit Wiring Diagram - All Gases

Page 3 - QUARTERS

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Page 4 - CLARIFICATION

wK t^cn0oo¿Y G Ro0ooMODEL 451 TERMINAL BLOCK1c)oREMOTE FAN RELAYFANMOTOR115VPILOTFANLIMITK) OJcj) c)oRELAY-o o-------QTHP PTYPICAL SELF GENERATING FUR

Page 5 - CORRECTION

TYPICALFURNACE WITH MULTI-SPEED TAPPED BLOWER11 -EH 451

Page 6 - Up for final connection

Model ABCDEFGH36-45146 31 529-1/16 23-9/6426-1/8 17-5/163-7/6454-451 5538 5911-1/16 28-3/432-7/16223-39/6436-45154-451Cooling CapacityBtuh35,000 53,00

Page 7

TABLENominal Pipe Size InchesAllowable Distance* between Coil and ChillerPolyethy ene Pipe Copper PipeGalvanized PipeSize 36Size 54Size 36Size 54Size

Page 8 - EH 451 - 6

CLARIFICATIONOn page 4 of this Instruction under Section III Electric Connections, item 3 should read;3. Provide a fused disconnect switch within sig

Page 9 - PLAN VIEW

FOR EH 451CORRECTIONParagraph 6 on page 4 under Electric Connections should read as follows:6. Disconnect pump electrical lead at terminal 7 in contr

Page 10 - PILOT iWITCH

C. INSULATION1. Insulate supply and return lines separately.2. Material should be of good quality and be covered with a good vapor barr

Page 11

A wrench-type shut-off valve should be installed in the gas line within sight of, and convenient to, the 451. Provide a ground joi

Page 12

larger than 20 gallon capacity, add one-half (1/2) package for each additional 10 gallon capacity or fraction thereof. (Consult Bryan

Page 13

8. If non-condensibles are present they will follow the initial surge of solution. When solution reappears in quantity, the non-con

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Bryant 451A Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Adoucisseurs Bryant 451A. Bryant 451A User Manual Manuel d'utilisatio

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