Johnson Controls B1HA036 User Manual

341849-YIM-A-0108
2 Johnson Controls Unitary Products
TABLE OF CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
REPLACEMENT PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . .3
PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . 3
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
RIGGING AND HANDLING . . . . . . . . . . . . . . . . . . . . 4
CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
CONDENSATE DRAIN . . . . . . . . . . . . . . . . . . . . . . . . 5
SERVICE ACCESS . . . . . . . . . . . . . . . . . . . . . . . . . . 5
THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
POWER AND CONTROL WIRING . . . . . . . . . . . . . . . 5
COMPRESSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
CHECKING SUPPLY AIR CFM . . . . . . . . . . . . . . . . . 9
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . 13
ANTI-SHORT CYCLE TIMER . . . . . . . . . . . . . . . . . . 13
COOLING OPERATION . . . . . . . . . . . . . . . . . . . . . . 13
HEATING OPERATION . . . . . . . . . . . . . . . . . . . . . . 13
DEFROST OPERATION . . . . . . . . . . . . . . . . . . . . . 13
HEAT PUMP SAFETY SWITCH OPERATION . . . . 14
ELECTRIC HEAT LIMIT SWITCH OPERATION . . . 14
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
NORMAL MAINTENANCE . . . . . . . . . . . . . . . . . . . . 15
LIST OF FIGURES
Fig. # Pg. #
1 CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . . . . . .4
2 TYPICAL FIELD WIRING DIAGRAM . . . . . . . . . . . . . .6
3 COIL DELTA P VS. SUPPLY AIR CFM . . . . . . . . . . . . 9
4 DIMENSIONS AND CLEARANCES . . . . . . . . . . . . . .12
5 TYPICAL WIRING DIAGRAM (230-3-60 POWER
SUPPLY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Fig. #
Pg. #
6 TYPICAL WIRING DIAGRAM BHA MODELS
(460-3-60 AND 575-3-60 POWER SUPPLY) . . . . . . . 17
7 TYPICAL WIRING DIAGRAM LEGEND . . . . . . . . . . . 18
8 TYPICAL WIRING DIAGRAM NOTES . . . . . . . . . . . . 18
LIST OF TABLES
Tbl. # Pg. #
1 UNIT APPLICATION DATA . . . . . . . . . . . . . . . . . . . . . 4
2 UNIT DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4 ELECTRICAL DATA (HEAT PUMP /
ELECTRIC HEAT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5 ELECTRICAL DATA (BASIC UNIT) . . . . . . . . . . . . . . . 7
6 SIDE & BOTTOM SUPPLY AIR BLOWER
PERFORMANCE 230/460/575 VOLTS . . . . . . . . . . . . 8
7 SIDE & BOTTOM SUPPLY AIR BLOWER
PERFORMANCE 208 VOLTS . . . . . . . . . . . . . . . . . . . 8
8 ADDITIONAL STATIC PRESSURE RESISTANCE . . . 8
9 COOLING SUPERHEAT AT COMPRESSOR SUCTION,
AIRFLOW = 1,200 CFM (B1HA036) . . . . . . . . . . . . . . 10
10 HEATING SUPERHEAT AT COMPRESSOR SUCTION,
AIRFLOW = 1,200 CFM (B1HA036) . . . . . . . . . . . . . . 10
11 COOLING SUPERHEAT AT COMPRESSOR SUCTION,
AIRFLOW = 1,400 CFM (B1HA042) . . . . . . . . . . . . . . 10
12 HEATING SUPERHEAT AT COMPRESSOR SUCTION,
AIRFLOW = 1,400 CFM (B1HA042) . . . . . . . . . . . . . . 10
13 COOLING SUPERHEAT AT COMPRESSOR SUCTION,
AIRFLOW = 1,600 CFM (B1HA048) . . . . . . . . . . . . . . 11
14 HEATING SUPERHEAT AT COMPRESSOR SUCTION,
AIRFLOW = 1,600 CFM (B1HA048) . . . . . . . . . . . . . . 11
15 COOLING SUPERHEAT AT COMPRESSOR SUCTION,
AIRFLOW = 2,000 CFM (B1HA060) . . . . . . . . . . . . . . 11
16 HEATING SUPERHEAT AT COMPRESSOR SUCTION,
AIRFLOW = 2,000 CFM (B1HA060) . . . . . . . . . . . . . . 11
17 THERMOSTAT SIGNALS (THREE PHASE
UNITS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Johnson Controls B1HA036 Specifications

General

Brand	Johnson Controls
Model	B1HA036
Category	Heat Pump
Language	English