Static Resistances; Power Exhaust Performance; Blower Motor And Drive Data - York D1CE Installation Instructions Manual

530.18-N11Y
TABLE 8 - STATIC RESISTANCES*
DESCRIPTION
WET COIL
GAS HEAT
ELECTRIC HEAT OPTIONS
ECONOMIZER OPTION
INLET GUIDE VANCES
HORIZONTAL DUCT CONNECTIONS
*
Deduct these resistance values from the available unit ESP values listed in the respective blower performance table except for Horizontal Duct Connections
(Shaded ). Add these values due to less airflow resistance.
TABLE 9 - POWER EXHAUST PERFORMANCE
MOTOR
SPEED
CFM
HIGH* 5250
MEDIUM 4900
LOW 4400
*
Factory Setting
Power Exhaust motor is a 3/4 HP, PSC type with sleeve bearings, a 48 frame and inherent protection.
TABLE 10 - BLOWER MOTOR AND DRIVE DATA
BLOWER
MODEL
DRIVE RANGE
SIZE
(RPM)
Stan-
1009/1245
dard
25 TON
High
Speed 1117/1377
Access
1
All motors have a nominal speed of 1800 RPM, a 1.15 service factor and a solid base. They can operate to the limit of their service factor because they are located in the moving air, upstream
of any heating device.
2
Do NOT close this pulley below 1 turn open.
14
EXTERNAL STATIC PRESSURE DROP
18 KW
36 KW
54 KW
72 KW
STATIC RESISTANCE OF RETURN DUCTWORK, IWG
0.2 0.3
KW CFM KW
0.83 4500 0.85
0.77 3900 0.79
0.72 3700 0.74
1
MOTOR ADJUSTABLE MOTOR PULLEY
EFF. DESIG-
HP FRAME
(%) NATION
15 254T 89 2MVP60 7.68
RESISTANCE, IWG
9,000 10,000
0.1
0.1
0.1
0.1
0.2
0.2
0.1
0.3
0.2
0.4
CFM KW CFM
4200 0.88 3750
3500 0.82 2900
3000 0.78
FIXED BLOWER PULLEY
OUT-
PITCH
SIDE BORE DESIG-
DIA.
DIA. (IN.) NATION
(IN.)
(IN.)
2BK110H
P2
6.0-
BUSH-
2
7.4
ING
2BK100H
CFM
11,000
0.1 0.1
0.1 0.1
0.1 0.1
0.2 0.3
0.3 0.4
0.4 0.6
0.1 0.1
0.4 0.5
0.3 0.5
0.5 0.6
KW CFM
0.93 3000
0.85 -
- - -
OUTSIDE PITCH
BORE DESIG-
DIA. DIA.
(IN.) NATION
(IN.) (IN.)
10.75 10.4 1-7/16 BX83
9.75 9.4 1-7/16 BX80
Unitary Products Group
KW
0.99
-
-
BELT
(NOTCHED)
PITCH
LENGTH QTY.
(IN.)
84.8 2
81.8 2