Bryant 619CNF - Manual

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Page 2 – Table 1 — System Matches; *Units must be field reconfigured for 1; Table 2 — Application Range; *This value is for single-zone systems and may be equipped with an
Page 3 – Remove side panels by sliding forward, then away; Fig. 2 — Removal of Mounting Brackets
Page 4 – Table 3B — Physical Data, Under Ceiling Heat Pump Units; Remove inlet grilles from indoor unit by sliding for-; II. STEP 2 — SELECT LOCATION; Place unit adjacent to an outside wall if fresh air is
Page 5 – Fig. 3 — Base Unit Dimensions; on top and rear
Page 7 – under; UNIT SIZE
Page 9 – Fig. 10 — Mounting Hanging Brackets; Teflon Seal must face toward the outdoor heat pump unit.; Fig. 13 — AccuRater Metering Device at Service Valve
Page 10 – VI. STEP 6 — MAKE ELECTRICAL CONNECTIONS; Use copper wire only between disconnect switch(es); Table 5 — Electrical Data*; To avoid personal injury or damage to
Page 11 – LEGEND; ††Insulate for heat pump application.; NEC —
Page 12 – Terminal Block; Fig. 16 — Line Power Connections
Page 13 – Fig. 17 — Control Circuit Connections Arrangement
Page 14 – COOLING ONLY; Fig. 18 — Thermostats
Page 15 – A. Check AccuRater Metering Device; Piston style as shown in Fig. 19 is shipped with the unit.; B. Cooling Only Systems
Page 16 – Fig. 20 — Cooling System Wiring Diagram
Page 17 – Fig. 21 — Heat Pump Wiring Diagram
Page 19 – Remove filters by pulling them straight out.; B. Clean Or Replace Filters; To avoid the possibility of electric; Fig. 22 — Inserting Water into Drain Pan
Page 21 – Table 7 — Troubleshooting
Page 22 – SERVICE TRAINING
Page 23 – I. PRELIMINARY INFORMATION
Page 24 – MEASURE AND RECORD THE:

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Cancels: II 619C-24-3

II 619C-24-4

4/15/06

CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . . . . . 1

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17

I. Step 1 — Complete Pre-Installation

Checks

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

II. Step 2 — Select Location

. . . . . . . . . . . . . . . . . . . . . 4

III. Step 3 — Mount Unit

. . . . . . . . . . . . . . . . . . . . . . . . . 6

IV. Step 4 — Connect Refrigerant Piping

. . . . . . . . . . . 7

V. Step 5 — Connect Condensate Drain Line

. . . . . . . 8

VI. Step 6 — Make Electrical Connections

. . . . . . . . . 10

VII. Step 7 — Install Thermostat

. . . . . . . . . . . . . . . . . . 12

VIII. Step 8 — Make Connections Between

Indoor and Outdoor Units

. . . . . . . . . . . . . . . . . . . . 15

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18,19

I. After Extended Shutdown

. . . . . . . . . . . . . . . . . . . . 18

II. Seasonal Changeovers

. . . . . . . . . . . . . . . . . . . . . . 18

III. Adjusting Airflow

. . . . . . . . . . . . . . . . . . . . . . . . . . . 18

IV. Operating Mode Memory

. . . . . . . . . . . . . . . . . . . . . 18

V. Automatic Operation (Auto.) Mode

. . . . . . . . . . . . . 18

VI. Operating Sequence

. . . . . . . . . . . . . . . . . . . . . . . . 18

CLEANING AND MAINTENANCE

. . . . . . . . . . . . . . . . . . 19,20

I. Lubrication

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

II. Air Filters

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

III. Clean Indoor Unit Bottom Panel

. . . . . . . . . . . . . . . 20

IV. Clean Indoor Coil

. . . . . . . . . . . . . . . . . . . . . . . . . . . 20

V. Clean Outdoor Coil (Outdoor Unit)

. . . . . . . . . . . . . 20

VI. Clean Condensate Drains

. . . . . . . . . . . . . . . . . . . . 20

SERVICE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

I. Before Calling for Service

. . . . . . . . . . . . . . . . . . . . 20

FRESH AIR INSTALLATION OPTION

. . . . . . . . . . . . . . . . . 20

I. Ventilation-Air Accessory

. . . . . . . . . . . . . . . . . . . . 20

TROUBLESHOOTING

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 20,21

START-UP CHECKLIST

. . . . . . . . . . . . . . . . . . . . . . CL1, CL-2

SAFETY CONSIDERATIONS

Installing and servicing air-conditioning equipment can be
hazardous due to system pressure and electrical components.
Only trained and qualified service personnel should install or
service air-conditioning equipment.

Untrained personnel can perform basic maintenance, such as
cleaning and replacing filters. All other operations should be

performed by trained service personnel. When working on
air-conditioning equipment, observe precautions in literature
and on tags and labels attached to unit.

Follow all safety codes. Wear safety glasses and work gloves.
Use quenching cloth for brazing operations. Have fire
extinguisher available. Read these instructions

thoroughly.

Consult local building codes and National Electrical Code
(NEC) for special installation requirements.

INSTALLATION

Installation instructions for fan coil units (Fig. 1) are con-
tained in this manual. Refer to this manual for proper instal-
lation of the complete system. Note that the outdoor units are
shipped with installation and service instructions for basic
installation of the outdoor section. Be sure to make the con-
nections in Cooling Only Systems and Heat Pump Systems
sections on page 15 of this literature so that the unit will
operate properly.

Refer to Table 1 for proper system matches.

WARNING:

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. Electrical shock can cause
personal injury.

Installation, start-up and
service instructions

CEILING-SUSPENDED
FAN COIL UNITS

619CNF

619CNQ

Sizes 024-060

Fig. 1 — Ceiling-Suspended Fan Coil Unit

a40-267

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Summary

Page 2 - Table 1 — System Matches; *Units must be field reconfigured for 1; Table 2 — Application Range; *This value is for single-zone systems and may be equipped with an

—2— Table 1 — System Matches *Units must be field reconfigured for 1 1 / 2 ton (18,000 Btuh) operation. See Before Installation section on page 3 for details. NOTE: Numbers in ( ) indicate quantities when there is more than one fan coil unit in the system. Ensure unit operation within the applicatio...

Page 3 - Remove side panels by sliding forward, then away; Fig. 2 — Removal of Mounting Brackets

—3— Table 3A — Physical Data, Under Ceiling Cooling Only Units *Field reconfigured to 18,000 Btuh (1 1 / 2 tons). See Before Installation section on this page for details. †The valve connection size is 7 / 8 inch. The recommended line size is 1 1 / 8 inch. I. STEP 1 — COMPLETE PRE-INSTALLATION CHECK...

Page 4 - Table 3B — Physical Data, Under Ceiling Heat Pump Units; Remove inlet grilles from indoor unit by sliding for-; II. STEP 2 — SELECT LOCATION; Place unit adjacent to an outside wall if fresh air is

—4— Table 3B — Physical Data, Under Ceiling Heat Pump Units *Field reconfigured to 18,000 Btuh (1 1 / 2 tons). See Before Installation section on page 3 for details. †The valve connection size is 7 / 8 inch. The recommended line size is 1 1 / 8 inch. 3. Remove inlet grilles from indoor unit by slidi...