Installation manual

035-16682-000-E-0303
80 Unitary Products Group
MOTORS
INDOOR BLOWER MOTORS
All indoor blower motors are non-inherently protected three
phase motors. Overcurrent protection is provided by a man-
ual reset starter/overload relay and short circuit protection is
provided by fuses.
POWER EXHAUST OR RETURN AIR FAN MOTORS
All motors are non-inherently protected three phase motors.
Overcurrent protection is provided by a manual reset
starter/overload relay and short circuit protection is provided
by fuses.
CONDENSER FAN MOTORS
All condenser fan motors are inherently protected three
phase motors. Short circuit protection is provided by fuses.
DRAFT MOTOR (GAS FURNACE)
All draft motors are line voltage, inherently protected, single
phase PSC motors. Short circuit protection is provided by
fuses.
TABLE 43: STEAM COIL (1 ROW, 25 & 30 TON)
1
1.
Based on 60°F entering air temperature, 2.00” maxi-
mum air pressure drop across the coil.
CFM
Capacity (MBH) at Steam Pressure (PSI)
2 6 10 15
6000 194.1 207.9 219.8 232.6
8000 221.1 236.9 250.4 265.0
10000 243.2 260.5 275.4 291.4
12000 261.9 280.6 296.6 313.9
15000 285.6 306.0 323.5 342.4
TABLE 44: STEAM COIL (1 ROW, 40 TON)
1
1.
Based on 60°F entering air temperature, 2.00” maxi-
mum air pressure drop across the coil.
CFM
Capacity (MBH) at Steam Pressure (PSI)
2 6 10 15
8000 221.1 236.9 250.4 265.0
11000 252.9 271.0 286.4 303.1
14000 278.2 298.0 315.0 333.4
17000 299.4 320.7 339.0 358.8
20000 317.6 340.2 359.6 380.6
TABLE 45: STATIC RESISTANCE STEAM COIL (25 &
30 TON)
CFM 6000 8000 10000 12000 15000
Air Pressure
Drop
0.11 0.18 0.26 0.36 0.54
TABLE 46: STATIC RESISTANCE STEAM COIL
(40 TON)
CFM 8000 11000 14000 17000 20000
Air Pressure
Drop
0.18 0.31 0.48 0.67 0.88