
General ................................................................................ 1
Inspection............................................................................. 1
Reference............................................................................. 1
Approvals ............................................................................. 1
Nomenclature....................................................................... 2
INSTALLATION
Limitations............................................................................ 3
Location ............................................................................... 3
Condensate Drainage Precaution ....................................... 3
Rigging and Handling .......................................................... 3
Clearances........................................................................... 3
Ductwork .............................................................................. 3
Filters ................................................................................... 4
Condensate Drain................................................................ 4
Service Access .................................................................... 4
Blower Speed Selection....................................................... 4
Disconnect Switch Bracket For Optional Belt-Drive ............ 4
Compressors........................................................................ 4
Thermostat........................................................................... 4
Power and Control Wiring .................................................... 4
Electric Heaters ................................................................... 5
Optional Economizer Rain Hood ......................................... 6
OPERATION
Cooling System.................................................................. 12
Preliminary Operation Cooling........................................... 12
Cooling Sequence of Operation......................................... 12
Heating Sequence of Operation ........................................ 12
Defrost Sequence of Operation ......................................... 12
Lockout Control.................................................................. 13
Checking Supply Air CFM.................................................. 13
Secure Owner’s Approval .................................................. 14
MAINTENANCE
Normal Maintenance ......................................................... 14
TABLES
No. Description Page
1 Unit Application Data.................................. 3
2 Air Flow Limitations..................................... 5
3 Physical Data.............................................. 7
4 Supply Air Perf.
3 & 4 Ton w/Belt-Drive Blower
.. 9
5 Supply Air Perf.
5 Ton w/Belt-Drive Blower
........ 10
6 Supply Air Perf.
w/Direct-Drive Blower.......... 10
7 Static Resistances ...................................... 10
8 Motor and Drive Data - Belt-Drive Blower .. 11
9 Electrical Data w/Direct-Drive Blower......... 11
10 Electrical Data w/Belt-Drive Blower............ 11
11 Belt-Drive Supply Air Motor Pulley Adj.
......
13
FIGURES
No. Description Page
1 Center of Gravity......................................... 3
2 Recommended Drain Piping....................... 4
3 Typical Field Wiring ..................................... 5
4 Economizer Rain Hood Assembly.............. 6
5 Adjusting Enthalpy Setpoint........................ 7
6 Dimensions and Clearances....................... 8
7 Defrost Initiation Times............................... 12
8 Ambient Modified Time/Temp. Control........ 12
9 Hole Loc. for Press. Drop Readings ........... 13
10 Press. Drop versus Supply Air CFM........... 13
TABLE OF CONTENTS
B 3 C H A
PRODUCT NOMENCLATURE
PRODUCT GENERATION
3 = Third Generation
4 = Fourth Generation
5 = Fifth Generation
PRODUCT CATEGORY
B = Single Package Heat Pump
(Air Cooled)
PRODUCT IDENTIFIER
CH = Heat Pump
VOLTAGE CODE
06 = 208/230-1-60
25 = 208/230-3-60
46 = 460-3-60
58 = 575-3-60
036 = 3 Ton
048 = 4 Ton
060 = 5 Ton
30 6 2 5
FACTORY INSTALLED HEAT
A = No Supplemental Heat
NOMINAL COOLING CAPACITY
511.06-N5Y
2 Unitary Products Group