York B1CH180 User Manual
General ................................................................................ 1
Inspection............................................................................. 1
Reference............................................................................. 1
Approvals ............................................................................. 1
Nomenclature....................................................................... 2
INSTALLATION
Limitations ............................................................................ 3
Location ............................................................................... 3
Rigging and Handling .......................................................... 3
Clearances........................................................................... 3
Ductwork .............................................................................. 3
Fixed Outdoor Air Intake Damper ........................................ 4
Condensate Drain ................................................................ 4
Compressors........................................................................ 4
Filters ................................................................................... 4
Service Access .................................................................... 4
Thermostat........................................................................... 4
Power and Control Wiring .................................................... 4
Optional Electric Heaters ..................................................... 5
Optional Economizer/Mot. Damper Rain Hood ................... 5
Optional Power Exhaust Rain Hood .................................... 7
OPERATION
Cooling System.................................................................. 15
Preliminary Operation Cooling........................................... 15
Cooling Sequence of Operation......................................... 15
Heating Sequence of Operation ........................................ 15
Heat Anticipator Setpoints ................................................. 16
Checking Supply Air CFM.................................................. 16
Defrost Sequence of Operation ......................................... 17
Secure Owner’s Approval .................................................. 18
MAINTENANCE
Normal Maintenance ......................................................... 18
TABLES
No. Description Page
1
Unit Application Data ..................................
3
2
Control Wire Sizes ......................................
5
3
Electric Heat Application Data ....................
5
4
Physical Data ..............................................
8
5
Four and Six Point Loads............................
10
6
Supply Air Blower Perf. 15 Ton....................
12
7
Supply Air Blower Perf. 20 Ton....................
12
8
Static Resistances ......................................
13
9
Power Exhaust Performance ......................
13
10
Blower Motor and Drive Data......................
13
11
Electrical Data (Basic Units) .......................
14
12
Electrical Data (Units w/Elec. Heat)............
14
13
Heat Anticipator Setpoints ..........................
16
FIGURES
No. Description Page
1
Typical Rigging............................................
3
2
Center of Gravity.........................................
3
3
Fixed Outdoor Air Damper..........................
4
4
Recommended Drain Piping.......................
4
5
Typical Field Wiring .....................................
5
6
Adjusting Enthalpy Setpoint........................
7
7
Dimensions and Clearances.......................
9
8
Four and Six Point Loads............................
10
9
Belt Adjustment...........................................
16
10
Pressure Drop versus Supply Air CFM ......
16
11
Defrost Initiation Times ...............................
17
12
Ambient Modified Time/Temp. Control ........
18
TABLE OF CONTENTS
B
1
C
H
E
C
1
E
PRODUCT NOMENCLATURE
PRODUCT GENERATION
1 = 1st Generation
PRODUCT CATEGORY
B = Single Package Heat Pump
(Air Cooled)
(Air Cooled)
PRODUCT IDENTIFIER
CH = Heat Pump
VOLTAGE CODE
25 = 208/230-3-60
46 = 460-3-60
58 = 575-3-60
46 = 460-3-60
58 = 575-3-60
NOMINAL HEATING
CAPACITY
180 = 15 Tons
240 = 20 Tons
240 = 20 Tons
FACTORY INSTALLED
OPTION CODE
EC = Sing. Input Economizer
DK = Diff. Input Economizer
FD = Sing. Input Economizer
w/Power Exhaust
CF = Diff. Input Economizer
w/Power Exhaust
BG = Motor Outdoor Air
Damper
DK = Diff. Input Economizer
FD = Sing. Input Economizer
w/Power Exhaust
CF = Diff. Input Economizer
w/Power Exhaust
BG = Motor Outdoor Air
Damper
0
8
8
1
0
2
5
FACTORY INSTALLED
HEAT
A = No Heat
E = Electric
E = Electric
NOMINAL COOLING
CAPACITY
018 = 18 KW
036 = 36 KW
054 = 54 KW
072 = 72 KW
511.06-N3Y
2
Unitary Products Group