Rheem RH1T6024STANDA - User Manual

WARNING
sWARNING
!
These instructions are intended as an aid to qualified licensed
service personnel for proper installation, adjustment and
operation of this unit. Read these instructions thoroughly before
attempting installation or operation. Failure to follow these
instructions may result in improper installation, adjustment,
service or maintenance possibly resulting in fire, electrical
shock, property damage, personal injury or death.
AIR HANDLERS
FEATURING INDUSTRY STANDARD R-410A REFRIGERANT:
(-)H1P Standard Efficiency with Aluminum Coil
(-)H1T High Efficiency with Aluminum Coil
INSTALLATION INSTRUCTIONS
92-20521-110-00
(BASED ON 92-20521-66-09)

Rheem RH1T6024STANDA Specifications

General

Model	RH1T6024STANDA
Type	Air Handler
Airflow	800 CFM
Refrigerant	R-410A
Tonnage	2 Ton
Phase	1
Motor Type	PSC
Depth	21 inches
Cooling Capacity	24000 BTU
Voltage	208/230V
Filter Type	1 inch
Cabinet Type	Insulated
Width	21"
Heating Capacity	Not applicable (Cooling Only)

Summary

1.0 SAFETY INFORMATION

2.3 MODEL NUMBER NOMENCLATURE

2.5.1 DIMENSIONS & WEIGHTS: (-)H1 P MODELS

2.5.2 DIMENSIONS & WEIGHTS: (-)H1 T MODELS

2.6 IMPORTANCE OF PROPER INDOOR;OUTDOOR MATCH-UPS

2.7 IMPORTANCE OF QUALITY INSTALLATION

3.0 INSTALLATION

3.1 TOOLS & REFRIGERANT

Lists necessary tools and details R-410A refrigerant specifications and handling.

3.2 APPLICATIONS AND ORIENTATION

3.2.4 INSTALLATION IN MOBILE;MANUFACTURED HOMES

3.6 DUCTWORK

3.7 RETURN AIR FILTER

3.9 REFRIGERANT LINE CONNECTIONS & CHARGING

Preparation, Filter Drier, and Brazing

Leak Testing, Evacuation, and Charging

TXV Sensing Bulb Attachment

3.11 CONDENSATE DRAIN

3.13 ELECTRICAL WIRING

3.13.1 CONFIGURING UNIT FOR 208 VOLT POWER

3.13.2 GROUNDING

Emphasizes the importance of permanent grounding for electrical safety.

3.13.3 POWER WIRING

Discusses power requirements, branch circuits, and disconnects.

3.13.4 COPPER WIRE SIZE

3.13.5 ELECTRICAL DATA - BLOWER MOTOR ONLY - WITHOUT ELECTRIC HEAT: (-)H1 P

3.13.5.2 ELECTRICAL DATA - BLOWER MOTOR ONLY - WITHOUT ELECTRIC HEAT: (-)H1 T

3.13.6.1 ELECTRICAL DATA - WITH ELECTRIC HEAT: (-)H1 P

3.13.6.2 ELECTRICAL DATA - WITH ELECTRIC HEAT: (-)H1 T

3.13.7 ELECTRIC HEATER KIT SUPPLEMENTAL INFORMATION

3.13.8 CONTROL WIRING

3.13.9 THERMOSTAT & CONTROL WIRING CONNECTIONS

3.14 AIRFLOW

3.14.1 GENERAL AIRFLOW OPERATING LIMITS

3.14.2 SELECTING INDOOR BLOWER MOTOR SPEED

Guides on selecting the correct blower motor speed based on static pressure.

3.14.2.1 (-)H1 P MODELS (PSC MOTOR)

3.14.2.2 (-)H1 T MODELS (CONSTANT TORQUE ECM MOTOR)

3.14.3.1 240 V AIRFLOW PERFORMANCE DATA: (-)H1 P (PSC MOTOR)

3.14.3.2 115;208;480 V AIRFLOW PERFORMANCE DATA: (-)H1 P (PSC MOTOR)

3.14.3.3 115;208;240;480 V AIRFLOW PERFORMANCE DATA: (-)H1 T (CONSTANT TORQUE MOTOR)

4.0 START-UP

4.1 PRE-START CHECKLIST

A checklist of essential items to verify before system start-up.

4.2 SYSTEM START-UP AND OPERATIONAL CHECK-OUT

Procedures for performing an operational check-out after installation.

4.3 SEQUENCE OF OPERATION

4.3.1 COOLING MODE

4.3.2 ELECTRIC HEAT MODE

4.3.3 HEAT PUMP HEATING MODE

4.4 CORRECTING ELECTRIC HEAT kW FOR VOLTAGE

4.5 CALCULATING ELECTRIC HEAT CAPACITY IN BTUH

4.6 CHECKING INDOOR AIR-FLOW

4.6.1 ESTIMATING CFM USING EXTERNAL STATIC PRESSURE

4.6.2 ESTIMATING CFM USING ELECTRIC HEAT TEMPERATURE RISE

4.7 CHECKING REFRIGERANT CHARGE

5.0 COMPONENTS & CONTROLS

5.1 BLOWER MOTOR

Details on PSC and ECM blower motors, speed taps, and controls.

5.3 BLOWER CONTROL

5.6 INDOOR COIL ASSEMBLY

6.0 ACCESSORIES & KITS

6.1 ELECTRIC RESISTANCE HEATER KITS

Lists available electric heater kits and their specifications.

7.0 MAINTENANCE

7.1 AIR FILTER

7.5 BLOWER ASSEMBLY REMOVAL & REPLACEMENT

7.6 MOTOR REPLACEMENT

7.7 BLOWER WHEEL REPLACEMENT

8.0 DIAGNOSTICS

Blower Motor Operation Issues

Electric Heater Performance Issues

Coil Freezing and Airflow Problems

9.0 WIRING DIAGRAMS

9.1 WIRING DIAGRAM (-)H1 P - 115 V

Electrical wiring diagram for H1P models operating at 115V.

9.2 WIRING DIAGRAM (-)H1 P - 208;240 V

9.3 WIRING DIAGRAM (-)H1 P - 480 V

9.4 WIRING DIAGRAM (-)H1 T - 115 V

9.5 WIRING DIAGRAM (-)H1 T - 208;240 V

9.6 WIRING DIAGRAM (-)H1 T - 480 V