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A-VMH18DC-1
Heat Controller A-VMH18DC-1 User Manual
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Heat
Controller
,
Inc.
•
1900
Wellworth A
ve.
•
Jackson,
MI
49203
•
(517)787-2100
•
www
.heatcontroller
.com
SER
VICE MANU
AL
Inverter Flex Multi-Zone
Ductless Mini Split
Outdoor Section
A-VMH18DC-1
A-VMH27TC-1
A-VMH36QC-1
2
Table of Contents
Table of Contents
2
General Information of Outdoor Units
3
Features
4
Dimensions
5
A-Vmh18Dc-1
6
A-Vmh27Tc-1
6
Wiring Diagram
6
A-Vmh36Qc-1
7
Refrigeration Circuit Drawing of Inverter Tri-Zone
8
Refrigeration Circuit Drawing of Inverter Dual Zone
8
Refrigeration Cycle Diagram
8
Refrigeration Circuit Drawing of Inverter Quad-Zone
9
Indoor Unit Combinations for A-VMH18DC-1
10
Indoor Unit Combinations A-VMH27TC-1
10
Indoor Unit Combinations A-VMH36QC-1
10
Wrench Torque Sheet for Installation
11
Connecting the Cables
11
Pipe Length and Elevation
11
Installation Details
11
Air Purging with Vacuum Pump
12
Installation for the First Time
12
Air Purging by Refrigerant
13
Adding the Refrigerant if the Pipe Length >(5M)16.5Ft
14
Purge the Air from the Charge Hose
14
Adding the Refrigerant Due to Loss of Charge
15
Replacing the Indoor Unit
16
Collecting the Refrigerant into the Outdoor Unit
16
Air Purging by the Refrigerant
17
Check the Gas Leakage
17
Evacuation for the Whole System
18
Replacing the Outdoor Unit
18
Refrigerant Charging
19
Abbreviations
20
Indoor Ambient Temperature
20
Electric Control Working Environment
20
Electronic Control Function
20
Frequency of Compressor
21
Running Mode
21
Capacity Demand
21
Low Voltage Protection
22
Opening Degree of Electronic Expansion Valve
22
Number of Indoor Units
22
Protection
22
Compressor Current Limit Protection
23
Cooling Mode
23
Heating Mode
23
Indoor / Outdoor Units Communication Protection
24
High Condenser Coil Temp. Protection
24
Outdoor Unit Anti-Freezing Protection
24
Oil Return
24
Indoor Ceiling Cassette Error Codes
25
Indoor Mini-Split Error Code Explanations
25
Troubleshooting
25
Outdoor Unit Error Code Explanation
26
Indoor Unit Trouble Shooting
27
Indoor EEPROM Malfunction
27
Indoor / Outdoor Units Communication Error
28
Zero-Crossing Signal Error
30
Indoor Fan Speed Has Been out of Control(DC Fan Motor)
30
DC Motor Voltage Input and Output
30
Indoor Fan Speed Has Been out of Control(AC Fan Motor)
31
Open or Short Circuit of Temperature Sensor
32
Full-Water Malfunction (for Ceiling Cassette)
32
Outdoor Temp. too Low Protection(Optional for some Models)
33
Outdoor Unit Trouble Shooting
33
Outdoor EEPROM Malfunction (ODU E0)
33
Voltage Protection (ODU E5)
34
Communication Malfunction between IPM Board and Outdoor Main Board
35
Temperature Protection of Compressor Discharge (ODU P0)
36
Temperature Protection of Compressor Top (ODU P0)
37
High Pressure Protection (ODU P1) (Only for A-VMH36QC-1)
38
Low Pressure Protection (ODU P2)
39
Current Protection of Compressor (ODU P3)
40
IPM Module Compressor (ODU P4)
41
High Temperature Protection of Condenser (ODU P6)
42
High PFC Module Protection (ODU P6) (Only for A-VMH36QC-1)
43
Temperature Sensor Resistance Value Table
44
Reference Voltage Data
46
Check the Diode Bridge Component
46
Celsius to Fahrenheit Conversion Chart
47
Compressor Checking
48
Fan Motor
49
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Heat Controller A-VMH18DC-1 Specifications
General
Brand
Heat Controller
Model
A-VMH18DC-1
Category
Air Conditioner
Language
English
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