Carrier 50DPE014 User Manual

50DPE014

50DP016,020

HEATING & COOLING

Single-Package Cooling Units

Installation, Start-Up and Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS INSTALLATION

Step 1 — Provide Unit Support

..................................................

..............................

..........................

1 1-10

• ROOF CURB

• ALTERNATE UNIT SUPPORT

Step 2 — Rig and Place Unit

...............................

• POSITIONING

• ROOF MOUNT

Step 3 — Field Fabricate Ductwork Step 4 — Make Unit Duct Connections Step 5 — Trap Condensate Drain

Step 6 — Make Electrical Connections

...................

.............

.......................

..............

6 6

• FIELD POWER SUPPLY

• FIELD CONTROL WIRING

Step 7 — Make Outdoor Air Inlet

Adjustments

......................................................

• MANUAL OUTDOOR AIR DAMPER

• OPTIONAL ECONOMIZER

Step 8 — Install Outdoor Air Hood.................. 10

START-UP..........................................................10-13

SERVICE.............................................................14-16

SAFETY CONSIDERATIONS

Installation and servicing of air conditioning equip ment can be hazardous due to system pressure and elec trical components. Only trained and qualified service personnel should install, repair or service air conditioning equipment.

Untrained personnel can perform basic maintenance functions of cleaning coils and filters and replacing filters. All other operations should be performed by trained service personnel. When working on air condi

tioning equipment, observe precautions in the literature, tags and labels attached to the unit and other safety pre cautions that may apply.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloth for unbrazing operations.

Have fire extinguishers available for all brazing

operations.

A WARNING

Before performing service or maintenance operations on unit, turn off main power switch to unit. Electrical shock could cause personal injury.

INSTALLATION

Step 1 — Provide Unit Support

ROOF CURB — Assemble and install accessory roof curb in accordance with instructions shipped with this accessory. Accessory roof curb and information required to field fabricate a roof curb are shown in Fig. 1 and 2.

Install insulation, cant strips, roofing and flashing as shown. Ductwork can be installed to roof curb before unit. is set in place. Curb should be level. Unit leveling toler

ance is ± 1/16 in. per linear ft in any direction. This is

necessary to permit unit drain to function properly. Refer

to Accessory Roof Curb Installation Instructions for

additional information as required.

ALTERNATE UNIT SUPPORT — When the curb

cannot be used, support unit with sleepers using unit curb

support area. If sleepers cannot be used, support long

sides of unit with a minimum of 3 equally spaced 4-in. x

4-in. pads on each side.

Step 2 — Rig and Place Unit — Inspect unit for

transportation damage. File any claim with transporta

tion agency. Do not drop unit, keep upright. Use spreader bars over unit to prevent sling or cable damage. Rollers may be used to move unit aeross a roof. Level by using unit frame as a reference; leveling toleranee is ± 1/16 in. per linear ft in any direction. See Fig. 3 for additional information. Unit weight is shown in Table 1.

Four lifting holes are provided in ends of unit base rails

as shown in Fig. 3. Refer to rigging instructions on unit.

POSITIONING — Provide clearance around and above

unit for airflow, safety and service access (Fig. 4).

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book|l l4 PC111 Catalog No 565-104 PrintedinUSA Form 50DP-26SI Pg 1 7-88 Replaces: 50DP-25S1 Tab |1b|6b

NOM I^"x4"

(32) X (102) TYP. 4 PLACES

ROOF OPENINGS

Dimensions miilimeters. Attach aii ductwork to roof curb Fieid installation of sidewall insulation is mandatory

Fig. 1 — Roof Curb Details

INDOOR AIR FAN MOTOR

(50PQ900I5I)

INDOOR AIR FAN MOTOR 50DP020

TRANSITION DUCT

Fig. 2 — Side Supply/Return Curb Details

Do not install unit in an indoor location. Do not locate unit air inlets near exhaust vents or other sources of contaminated air.

Although unit is weatherproof, guard against water from higher level runoff and overhangs.

ROOF MOUNT — Check building codes for weight dis

tribution requirements. Unit weight is shown in Table 1.

INSULATION FIELD SUPPLIED (SEE NOTE 3)

RIGGING WEIGHTS* (lb)

COIL FIN MATERIAL

MODEL

50DPE014 1880 1960 50DP016 50DP020

'Includes economizer weight

NOTE Rig by inserting hooks Into unit base rails as shown Main tain a distance of 120 in (3048 mm) from top of unit to eyehook Use corner post from packaging to protect coil of unit from damage by rigging cable. Use bumper boards for spreader bars

OUTDOOR/INDOOR

AI/AI

1880 1960 2390

Cu/AI Cu/Cu

2520 2630

2040 2040

CAUTION!

All panels must be in place when rigging.

Fig. 3 — Rigging Details

25% AIR OR ECONOMIZER HOOD

% FPT DRAIN

CONNECTION

INDOOR AIRFLOW

' OUTDOOR AIRFLOW

> ALTERNATE AIRFLOW

Fig- 4 — Physical Data and Dimensions

FRONT VIEW

I SPACE REQUIRED FOR

LLiia SERVICE AND AIRFLOW

Table la — Physical Data — 50DPE014

UNIT SIZE OPERATING WEIGHT (lb)

Unit (Outdoor Coil/Indoor Coil)

AI/AI Al/Cu

Cu/Cu Roof Curb Economizer Electric Heat Alternate Motor and Drive

COMPRESSOR

Quantity 1 Oil (oz)

REFRIGERANT

Charge (lb) Sys 1*, Sys 2

REFRIGERANT METERING DEVICE

Upper Circuit

Quantity...Length...lD/OD (in.)

OUTDOOR COIL

Rows Fins/in.

Aluminum Copper

Total Face Area (sq ft)

OUTDOOR AIR FAN

Nominal Cfm Quantity...Diameter (in.) 2 ..26

Motor Hp (1075 Rpm)

INDOOR COIL

Rows Fins/in.

Aluminum Copper

Total Face Area (sq ft)

INDOOR AIR FANf

Quantity...Size (in.) Nominal Cfm

Max Allowable Rpm

Motor Pulley Pitch Diameter (in.) Std

Fan Pulley Pitch Diameter (in.) Belt, Quantity...Type...Length (in.)

Speed Change per Full Turn Std 58

of Moveable Pulley Flange (Rpm) Opt

Moveable Pulley Max Full Turns

from Closed Position

Factory Setting — Full Turns Open

Factory Speed Setting (Rpm) Std

Motor Hp (Service Factor) Std

HIGH-PRESSURE SWITCH

Cutout (psig)

Reset (psig)

LOW-PRESSURE SWITCH (Liquid Line)

Cutout (psig)

Reset (psig)

Rpm Range Std

Opt 978-1265

Opt

Opt Opt

Copper Tube, Aiuminum or Copper Plate Fins

Copper Tube, Aluminum or Copper Plate Fins

AIR INLET SCREENS

Economizer, Number...Size (in.)

INDOOR AIR FILTERS (Type)

10% Efficient — Disposable Fiberglass

50DPE014

Semi-Hermetic — 6 Cyiinders

Capiilary Tubes

6 25 0 055/0 125 6 25 0 055/0 125

6.25,0 055/0 125

Propeller Type, Direct Drive

Centrifugal, Belt Drive

2 20x25x1 1 20x20x1

1470 1550

1630

200 110

160

20 8

136 124 189

12,000

14.3 13 1

165

2 .10x10

5000

805-1093

1550 2 8-3.8 3 4-4.4

6.0

1. V. 43 57

920

1092 2 (1 15) 3 {1 15)

428 320

27 60

Number...Size (in.) 2. 20x20x2

'System 1 consists of upper portion of outdoor coii and iower portion of indoor coii

tUnits have adjustable standard and alternate drives

3 . 16x20x2 2 16x25x2

Table 1b — Physical Data — 50DP016,020

UNIT SIZE OPERATING WEIGHT (lb)

Unit (Outdoor Coil/Indoor Coil)

AI/AI Al/Cu

Cu/Cu Roof Curb Economizer Electric Heat

COMPRESSOR Semi-Hermetic — 6 Cylinders

Quantity 1 2

Oil (oz)

REFRIGERANT

Charge (lb) Sys 1*, Sys 2

REFRIGERANT METERING DEVICE

Upper Circuit

Quantity...Length...ID/OD (in.)

Lower Circuit

Quantity...Length...ID/OD (in.) —

OUTDOOR COIL

Rows Fins/in.

Aluminum Copper

Total Face Area (sq ft)

OUTDOOR AIR FAN

Nominal Cfm Number...Diameter (in.) Motor Hp (1075 Rpm)

INDOOR COIL

Rows Fins/in.

Aiuminum Copper

Totai Face Area (sq ft)

INDOOR AIR FANf

Quantity...Size (in.) Nominai Cfm Rpm Range Std

Maximum Aliowable Rpm Motor Puiiey Pitch Diameter (in.) Std

Fan Pulley Pitch Diameter (in.)

Belt, Quantity...Type...Length (in.) Speed Change per Full Turn Std

of Moveable Pulley Flange (Rpm) Opt

Moveable Pulley Max Full Turns

from Closed Position Factory Setting — Full Turns Open Factory Speed Setting (Rpm) Std

Motor Hp (Service Factor) Std

HIGH-PRESSURE SWITCH

Cutout (psig)

Reset (psig)

Opt Puiley A Puiiey B

Opt Pulley A Pulley B

Opt

Pulley A

PulleO B

Opt

LOW-PRESSURE SWITCH (Liquid Line)

Reset (psig)

AIR INLET SCREENS

Economizer, Number...Size (in.)

INDOOR AIR FILTERS (Type)

Number...Size (in.)

50DP016

1470 1980 1550 2110 1630

160

R-22

21.2

6.40. 0.065/0 125

6..2 0.0 055/0.125

6.20 0 055/0 125

Copper Tubes, Aluminum or Copper Plate Fins

136

12.4

18.9

12,000

2 .26

Copper Tubes, Aluminum or Copper Plate Fins 3

143

13 1

16.5

2 ..10x10

6000

916-1186

1158-1428

— 848 —

1550 3 4-4 4 4 3-5 3

—

6.4

1. .V...45

54 — 55 —

3.5 970 —

1240

— 848

—

3 (1 15)

—

10% efficient — Disposable Fiberglass

2 20x20x2

3. 16x20x2

2. .16x25x2

Propeller Type, Direct Drive

200 110

Capillary Tubes

Centrifugal, Belt Drive

428 320

2. .20x25x1

1...20x20x1

13.25.0 055/0 125

13 .25 ..0 055/0.125

50DP020

2220

160 ea

R-22

17.0, 17.0

13.6

12.4

22.2

11,400

2. ,26 1

14.4

13.1

17.9

2 .12x12

7200

—

1060 1550

—

32 40

6.6

2 V..45

—

1060

5 (1 15)

—

4 20x20x2

4.. 16x20x2

•System 1 consists of upper portion of outdoor coil and lower portion of indoor coil, except forsize020 which is intertwined

t016 unit has adjustable standard and alternate drives The 020

unit does not have an aiternate drive, but has 2 non-adjustable pulieys Pulley A is instailed in unit, pulley B is shipped with unit

+ 11 hidden pages

Carrier 50DPE014 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

A WARNING