Mitsubishi Heavy Industries AHU-KIT-SP User Manual

Name: Mitsubishi Heavy Industries AHU-KIT-SP
Brand: Mitsubishi Heavy Industries
Rating: 4 (1 reviews)

56 pages

To Next Page

Manual No.'21・AHU-T-393

TECHNICAL MANUAL

AIR HANDLING UNIT INTERFACE

AHU-KIT-SP

Table of Contents2
AHU-KIT-SP Overall Composition5
Product Description5
What Is Air Handling Unit5
What Is AHU-KIT-SP6
Systems Based on AHU Interface7
(A) Single Refrigerant Line System7
(B) Multiple Refrigerant Line System8
(C) AHU Interface Input/Output/In-Output Circuit9
AHU Interface Check Sheet9
Range of Use9
How to Use10
AIR HANDLING UNIT INTERFACE Check Sheet10
Confirmation of Design Conditions (Air Capacity, Suction Air Temperature/Humidity, Target Temperature/Humidity)11
(A) Design Air Condition11
(B) Air Capacity Condition11
(C) Total Heat Exchanger11
(D) Humidifier, Heater11
(E) Design Requirement Capacity Condition11
(F) Piping Length11
(G) Height Difference between In-/Outdoor Units11
Confirmation of Heat Exchanger Specifications12
(A) Heat Exchanger Calculating Conditions12
(B) Connecting Pipe Size12
(C) Recommended Number of Heat Exchanger Circuits12
(D) Recommended Number of Heat Exchanger Columns12
(E) Design Pressure of Heat Exchanger12
(F) Allowable Volume and Minimum Air Capacity Standard for Heat Exchanger12
Outdoor Unit Selection13
(A) Confirmation of the Range of Use13
(B) Correction Coefficient a13
(C) Correction Coefficient B13
(D) Correction Coefficient C13
(E) Correction Coefficient D13
(F) Calculation of Total Correction Coefficient13
(G) Calculation of Rated Capacity of Outdoor Unit14
(H) Confirmation of Volume of Internal Heat Exchanger14
Select Control Method and Settings15
(A) Capacity Control SW7-4: off15
(B) Temperature Control SW7-4: on16
Sensor Installation Guidelines18
Single Cooling Line System24
Single Cooling Line System - Outline24
Specifications24
AHU Interface Master Input Switch24
External In-/Output Terminals27
Analog Input Circuit: X3 Connector28
Digital Input Circuit: X2 Connector28
Digital Output Circuit29
In-/Output Circuits30
Basic Control31
Operation Stop Command to AHU System31
Operation Mode Selection32
Outdoor Unit (Compressor) Control Means Selection32
Capacity Control32
Temperature Control33
Multiple Refrigerant Line System: Cascade Control34
Cascade Control - Outline34
Difference of Specifications/Setting with Cascade Control Single Refrigerant System35
Input Switch35
(A) Address Setting: SW135
(B) Sensor Connection35
Master/Slave In-/Output Functions in Cascade Control35
Basic Control36
Capacity Distribution Control by Multiple Unit Connection36
Rotation Control40
Fault Backup Control41
Modbus Communication42
Communication Specifications42
Function42
Data Information42
Communication - Outline43
Input Register44
Retention Register51
Protection Control52
Cooling Frost Protection52
Heating Overload Protection52
Compressor Inching Protection Control53
Fan Control During Defrost Control53
Forced Compressor off Control by Suction Temperature53
Error Display54
Abnormal Temperature Sensor (Return Air/Heat Exchanger) Broken Wire/Short-Circuit Detection54
Trouble/Error Detection54
Trouble/Error Display55
Error Mode Reset (Error Reset)55

Questions and Answers:

Need help?

Do you have a question about the Mitsubishi Heavy Industries AHU-KIT-SP and is the answer not in the manual?

Mitsubishi Heavy Industries AHU-KIT-SP Specifications

General

Brand	Mitsubishi Heavy Industries
Model	AHU-KIT-SP
Category	Air Handlers
Language	English

Mitsubishi Heavy Industries AHU-KIT-SP User Manual

Table of Contents

Questions and Answers:

Mitsubishi Heavy Industries AHU-KIT-SP Specifications