Product data

29
Minimum airflow — For cooling, minimum airflow is
300 cfm/ton. For 50TFQ units with electric heating,
required minimum cfm is 900 for 50TFQ004; 1200 for
50TFQ005; 1500 for 50TFQ006; 1800 for 50TFQ007;
2250 for 50TFQ008; 2500 for 50TFQ009; and 3000 for
50TFQ012, with the following exceptions:
For 50HJQ units with electric heating, required mini-
mum cfm is 900 for 50HJQ004; 1200 for 50HJQ005;
1500 for 50HJQ006; 1700 for 50HJQ007; 2250 for
50HJQ008; 3000 for 50HJQ012; 3900 for 50HJQ014;
and 4500 for 50HJQ016, with the following exceptions:
Minimum ambient cooling operating temperature
— The minimum temperature for standard units is 25 F.
With accessory Motormaster® control, units can operate
at outdoor temperatures down to –20 F.
Internal unit design — Due to Carrier’s internal unit
design (draw-thru over the motor), air path, and specially
designed motors, the full horsepower (maximum contin-
uous bhp) listed in the Physical Data table and the notes
following each Fan Performance table can be utilized with
confidence.
Using Carrier motors with the values listed in the Physi-
cal and Fan Performance Data tables will not result in nui-
sance tripping or premature motor failure. The unit
warranty will not be affected.
Apollo direct digital controls — The Apollo direct digi-
tal controls must be used with either a Carrier master or
monitor thermostat.
Carrier PremierLink™ controls — The Carrier
PremierLink controls can be used with any thermostat.
UNIT
50TFQ
UNIT
VOLTAGE
HEATER
kW
UNIT
CONFIGURATION
REQUIRED
MINIMUM
CFM
012
208/230 42.4 Horizontal 3200
208/230 50.0 Horizontal 3200
460 50.0
Horizontal
or
Vertical
3200
008-012 575
17.0 Horizontal
or
Vertical
2800
34.0 2350
UNIT
50HJQ
UNIT
VOLTAGE
HEATER
kW
UNIT
CONFIGURATION
REQUIRED
MINIMUM
CFM
012
208/230 50.0
Horizontal
or
Vertical
3250
460 50.0
Horizontal
or
Vertical
3400
Application data (cont)
CONCENTRIC DUCT DISTRIBUTION —
50HJQ014,016
CONCENTRIC DUCT DETAILS —
50HJQ014,016
NOTE:
1. Do not drill in this area, damage to basepan may result in
water leak.
2. A 90-degree elbow must be provided in the supply ductwork
to comply with UL (Underwriters’ Laboratories) codes for use
with electric heat.
6'-2 3/8'' MAX.
5'-9 3/16'' MAX.
5 3/16''
B
A
BAFFLE
A
B
24'' MIN.
1'-0 3/16''
1'-7 15/16''
4'-6 13/16''
1'-0 3/16''
1'-10 11/16''
MAX.
Shaded area indicates block-off panels.
NOTE: Dimensions A, A′ and B, B′ are obtained from field-supplied
ceiling diffuser.
Concentric ducts may only be installed on units without electric
heat. Personal injury or unit damage may result.