Carrier 50PEC09-18 User Manual download pdf (Page 2)

GENERAL

The 50PEC water source heat pump console unit is a decen-

tralized room terminal designed for field connection to a

closed-circuit piping loop.

Units are typically installed in perimeter zones, usually un-

der windows. Supply air is discharged directly into the condi-

tioned space through discharge grilles located in the top of the

unit.

INSTALLATION

Step 1 — Check Jobsite —

Units are typically in-

stalled along an outside wall of the room. Refer to Fig. 1 and 2

for an illustration showing piping locations. Install units with

adequate clearance to allow maintenance and servicing. Refer

to Table 1 and Fig. 3-14. Locate the console unit so that it pro-

vides adequate air circulation throughout the room.

Installation, operation and maintenance instructions are

provided with each unit. Before unit start-up, read all manuals

and become familiar with the unit and its operation. Thoroughly

check out the system before operation. Complete the inspections

and instructions listed below to prepare a unit for installation.

1. Compare the electrical data on the unit nameplate with

ordering and shipping information to verify that the cor-

rect unit has been shipped.

2. Keep both the chassis and cabinet covered with the ship-

ping carton until all plastering, painting, and finish work

is complete and it is time to install the chassis and cabinet.

3. Verify that the refrigerant tubing is free of kinks or dents,

and that it does not touch other unit components.

4. Inspect all electrical connections. Connections must be

clean and tight at the terminals.

Table 1 — 50PEC Physical Data

NOTES:

1. All units have grommet compressor mountings and TXV (ther-

mostatic expansion valve) devices.

2. All pipe sizes are in inches. Equivalent sizes in millimeters

follow:

WARNING

Electrical shock can cause personal injury or death. Before

installing or servicing system, always turn off main power

to system. There may be more than one disconnect switch.

Turn off accessory heater power if applicable.

IMPORTANT: The installation of console water source heat

pump units and all associated components, parts, and acces-

sories which make up the installation shall be in accordance

with the regulations of ALL authorities having jurisdiction

and MUST conform to all applicable codes. It is the respon-

sibility of the installing contractor to determine and comply

with ALL applicable codes and regulations.

CAUTION

To avoid equipment damage, do not use these units as a

source of heating or cooling during the construction pro-

cess. The mechanical components and filters used in these

units quickly become clogged with construction dirt and

debris which may cause system damage.

CAUTION

To avoid the release of refrigerant into the atmosphere, the

refrigerant circuit of this unit must only be serviced by

technicians who meet local, regional, and national profi-

ciency requirements.

BASE UNIT 50PEC 09 12 15 18

COMPRESSOR (Qty)

Rotary (1)

REFRIG. CHARGE (R-410A)/CKT (kg)

No. of Circuits

0.737

0.822

0.936

0.850

BLOWER

Motor kW

Wheel Size D x W (mm) 2 each

0.37

133 x 159

0.62

133 x 159

0.93

133 x 159

0.93

133 x 159

WATER CONNECTION SIZE

OD Sweat (in.)

Optional FPT Fittings (in.)

Optional MPT Fittings (in.)

CONDENSATE CONNECTION SIZE (ID Vinyl) (in.)

Air Coil Size (h x w) (mm)

203 x 660 254 x 660 254 x 660 254 x 812

FILTER SIZE (h x w x d) (mm)

Bottom Return

Front Return

254 x 762 x 25

178 x 749 x 3

254 x 762 x 25

178 x 749 x 3

254 x 762 x 25

178 x 749 x 3

254 x 914 x 25

178 x 800 x 3

CABINET SIZE (h x w x d) (mm)

Bottom Return With Standard 127 mm Subbase

Front Return With No Subbase

1219 x 660 x 305

1219 x 533 x 305

1219 x 660 x 305

1219 x 533 x 305

1219 x 660 x 305

1219 x 533 x 305

1372 x 660 x 305

1372 x 533 x 305

UNIT WEIGHT (kg)

Shipping

Operating

105

100

Unit Maximum Working Pressure (kPa)

Base Unit

Internal Secondary Pump

Internal Motorized Water Valve

Internal Autoflow Valve

3100

999

2067

3100

999

2067

3100

999

2067

3100

999

2067

3100

in. mm

12.7

15.9

19.1

1 2 3 4 5 6 7 ... 39 40

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Carrier 50PEC09-18 User Manual Page 2

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