Specifications
GUIDE SPECIFICATIONS — 619F IN-CEILING CASSETTE UNITS
COMMERCIAL IN-CEILING CASSETTE FAN COIL
HVAC GUIDE SPECIFICATIONS
SIZE RANGE: 1
1
⁄
2
AND 2 TONS COOLING CAPACITY
MODEL NUMBER: 619F
PART 1 — GENERAL
1.01 SYSTEM DESCRIPTION
Indoor, in-the-ceiling-mounted, direct-expansion fan coil to
be matched with the 538S commercial condensing unit.
Units shall fit standard 2 ftx4ftceiling grid.
1.02 QUALITY ASSURANCE
Unit shall be rated (when matched with appropriate out-
door unit) per ARI Standard 210/240. Units shall be certi-
fied by UL and CSA.
1.03 DELIVERY, STORAGE, AND HANDLING
Unit shall be stored and handled per manufacturer’s rec-
ommendations.
1.04 WARRANTY (For Inclusion By Specifying Engineer).
PART 2 — PRODUCTS
2.01 EQUIPMENT
A. General:
Indoor, direct-expansion, low-profile (11
3
⁄
4
-in. high) in-
ceiling fan coil. Unit shall come complete with cooling coil,
fan, fan motor, piping connectors, electrical controls, con-
densate pump, and hanging brackets.
B. Unit Cabinet:
Cabinet shall be constructed of zinc-coated steel. Fully in-
sulated discharge and inlet grilles shall be attractively
styled, high-impact polystyrene. Cabinet shall have filter
tracks and cleanable filters which shall be accessible from
below with a
1
⁄
4
-turn fastener. Adjacent room cooling to be
provided by a simple knockout in the cabinet side panel,
and cabinet shall have provisions to accommodate a lim-
ited amount of ductwork, if desired.
C. Fan:
Fan shall be a centrifugal, direct-drive blower type with air
intake in center of the unit and discharge on the pe-
rimeter. Air louvers shall be adjustable for 2, 3, or 4-way
discharge.
D. Coil:
Coil shall be copper tube with aluminum fins and galva-
nized steel tube sheets. Fins will be bonded to the tubes
by mechanical expansion. A drip pan under the coil shall
have a factory-installed condensate pump and drain con-
nection for hose attachment to remove condensate.
E. Refrigerant Metering Device:
The unit shall have a refrigerant metering piston and
body.
F. Motors:
Motor shall be totally enclosed and permanently lubri-
cated with inherent protection. Fan motor shall be
3-speed.
G. Controls:
Controls shall be 24 v, and shall be easily operated by the
user from a wall-mounted control unit. Float control shall
be in the condensate sump to shut unit down in case of
pump malfunction. A wall-mounted electro-mechanical
thermostat with 3 fan speed selections, and an auto./
manual switch shall be supplied for field installation. The
R-22 refrigerant is controlled with a piston-type refrigerant
metering device, and evaporator coil freeze protection
shall be provided.
H. Operating Characteristics:
1. The unit shall be matched with an outdoor unit. The
combination of the outdoor unit and the indoor-fan
coil unit shall have a total net cooling capacity of
Btuh or greater at conditions of cfm
entering-air temperature at the evaporator coil of
F dry bulb and F wet bulb. Outdoor am-
bient temperature of air entering the condenser of
F.
2. The system shall have a minimum listed SEER
(seasonal energy efficiency ratio) of at ARI
conditions.
I. Thermostat:
The thermostat shall be commercial grade to control unit
operation, and shall provide 3-speed fan switch-over ca-
pability with continuous and automatic fan operating
switch.
J. Special Features (Field Installed):
1. Power Ventilation Kit:
Kit shall allow ventilation of the conditioned space with
outdoor air. The kit shall include filter, booster fan, and
controls.
2. Fresh Air Intake Kit:
Kit shall include filter and duct connections to provide
for outdoor ventilation air.
3. Electronic Programmable Thermostat:
Thermostat shall be commercial grade and shall pro-
vide 7-day, 4-event scheduling. Integral subbase shall
be included. Thermostat shall also provide 3-speed
fan switchover capability, air sweep, auto changeover,
and shall not require a battery to retain memory.
4. 24-Hour Automatic Start/Stop Timer:
Device shall provide a minimum 24-hour timer cycle
for system auto. start/stop.
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