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Johnson Controls YVAHP036B21S - User Manual

Johnson Controls YVAHP036B21S
94 pages
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TC-16001
ENGINEERING MANUAL
INVERTER-DRIVEN MULTI-SPLIT SYSTEM
HEAT PUMP AIR CONDITIONERS
Engineering Manual
Technical Catalog for Outdoor Unit
< Outdoor Units >
(H,Y,C)VAHP036B21S
(H,Y,C)VAHP048B21S
(H,Y,C)VAHP060B21S
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Johnson Controls YVAHP036B21S Specifications

General IconGeneral
BrandJohnson Controls
ModelYVAHP036B21S
CategoryAir Conditioner
LanguageEnglish

Summary

IMPORTANT NOTICE AND SAFETY SUMMARY

2. Important Safety Instructions

Details critical safety instructions for installation and operation.

Installation Precautions

Refrigerant Precautions

Electrical Precautions

2. Outdoor Units

2.11.1 Refrigerant Cycle

2.11.2 Control System

2.11.3 Standard Operation Sequence

Cooling Operation

Dry Operation

Heating Operation

Defrost Operation

Protection Control

P1: Pressure Ratio Protection Control

Details the pressure ratio protection mechanism for compressor safety.

P2: High Pressure Increase Protection Control

Explains high pressure protection to prevent damage from excessive pressure.

P3: Inverter Current Protection Control

Describes protection against inverter trips due to current increases.

P4: Inverter Fin Temperature Increase Protection Control

Explains protection against inverter trips caused by fin temperature increases.

P5: Discharge Temperature Increase Protection Control

Details protection against compressor motor coil damage from discharge temperature.

P6: Low Pressure Decrease Protection Control

Explains protection against compressor issues from low suction pressure.

P9: High Pressure Decrease Protection Control

Describes protection to prevent insufficient refrigerant supply or oil issues.

PA: Demand Current Control

Details compressor control based on demand current settings.

Pd: Low Pressure Increase Protection Control

Explains protection against compressor issues from suction pressure increases.

(10) Priority of Protection Control

Outlines the hierarchy when multiple protection controls are activated.

(11) Degeneration Control

Describes control to suppress re-occurring alarms during restarts.

2.11.4 Safety and Control Device Setting

2.11.5 Electrical Wiring Diagram

2.12 Operation Range

2.13 Combination of Indoor Unit and Outdoor Unit

2.14 Piping Work

2.14.2 Piping Size and Multi-Kit Selection

2.14.3 Piping Connection Method

2.15 Electrical Wiring

(2) Electrical Characteristics

2.15.2 Electrical Wiring Method

2.16 Additional Refrigerant Charge Calculation

4. Selection Data

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