Heat Controller, Inc.

 

 

VMH Series

Service Manual

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

discharge temp. is 105 degree. If the indoor unit is not

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connected, the digital display tube will show: “- - “.

 

 

 

12

Inverter current

 

 

 

AD data

 

 

 

 

 

 

 

 

 

 

13

EXV open angle for 1# indoor unit

 

Actual data, divide this number by 8 for actual angle valve is

 

 

 

 

 

 

 

 

open.

 

 

 

14

EXV open angle for 2# indoor unit

 

Actual data divide 8

 

 

 

 

 

 

 

 

Actual data divide 8

 

 

 

15

EXV open angle for 3# indoor unit

 

 

 

 

 

Actual data divide 8

 

 

 

 

 

 

 

 

 

 

 

16

EXV open angle for 4# indoor unit

 

 

 

 

 

 

 

 

 

 

 

 

17

Power supply of outdoor unit

 

AD data (AD data*472/255=actual data)

 

 

 

 

 

 

 

 

 

 

 

18

Indoor unit number

 

 

 

The indoor unit can communicate with outdoor unit well.

 

 

 

19

The last error or protection code

 

00 means no malfunction

 

 

 

 

 

 

 

 

 

 

 

 

20

frequency value

 

 

 

Actual data

 

 

 

 

 

 

 

 

 

 

21

Ambient temp. of

1# indoor unit

 

Actual data

 

 

 

 

 

 

 

 

 

 

22

Condenser pipe temp. of

1# indoor unit

 

Actual data

 

 

 

 

 

 

 

 

 

 

 

23

Ambient temp. of

2# indoor unit

 

Actual data

 

 

 

 

 

 

 

 

 

 

24

Condenser pipe temp. of

2# indoor unit

 

Actual data

 

 

 

 

 

 

 

 

 

 

25

Ambient temp. of

3# indoor unit

 

Actual data

 

 

 

 

 

 

 

 

 

 

 

26

Condenser pipe temp. of

3# indoor unit

 

Actual data

 

 

 

 

 

 

 

 

 

27

Ambient temp. of 4# indoor unit

 

Actual data

 

 

 

 

 

 

 

 

 

 

28

Condenser pipe temp. of

4# indoor unit

 

Actual data

 

 

 

 

 

 

 

 

 

 

 

 

29

――

 

 

 

Check point over

 

 

 

 

 

 

 

 

 

 

 

The following items from 6.4.1 to 6.4.6 are for the explanation of the point check functions.

8.4.1 Frequency of compressor:

Display

Frequency of compressor (Hz)

 

 

30

30

--Stand by

6060

8.4.2 Running mode:

Display

Corresponding mode

0Off

1Cooling mode

2Heating mode

8.4.3Capacity demand: Cooling mode

Capacity

2000-

2000-

3000-

4500-

5000-

5500

6100-

7000-

7500-

>7500

 

2500

2500

3800

5000

5500

-6100

7000

7500

8000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corresponding

1

2

3

4

5

6

7

8

9

>=10

Code

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Capacity

 

2000-25

 

2000-25

 

3000-38

 

4500-50

 

5500-61

 

6100-70

 

6100-70

 

7000-75

 

7500-80

 

>8000

 

 

00

 

00

 

00

 

00

 

00

 

00

 

00

 

00

 

00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corresponding

 

1

 

2

 

3

 

4

 

5

 

6

 

7

 

8

 

9-10

 

>=11

Code

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note:

The capacity is just for reference.

21

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Heat Controller A-VMH36QC-1, A-VMH27TC-1, A-VMH18DC-1 service manual Frequency of compressor
Page 20 Page 22

A-VMH18DC-1, A-VMH36QC-1, A-VMH27TC-1 specifications

The Heat Controller A-VMH series, consisting of models A-VMH27TC-1, A-VMH36QC-1, and A-VMH18DC-1, represents a sophisticated range of advanced heating and cooling systems designed for residential and commercial applications. These units are engineered to provide efficient climate control, ensuring optimal comfort throughout the year.

One of the standout features of the A-VMH series is its energy efficiency. With advanced inverter technology, these units adjust their power consumption based on the heating or cooling demand, ensuring minimal energy wastage. This not only contributes to lower energy bills but also reduces the carbon footprint, making these systems an environmentally friendly choice.

Each model in the A-VMH series comes equipped with a multi-stage filtration system designed to improve indoor air quality. The filters capture dust, allergens, and other particulate matter, ensuring that the air circulated through the living spaces is clean and fresh. This is particularly beneficial for households with allergy sufferers or respiratory issues.

The A-VMH27TC-1 model stands out for its compact design, making it ideal for smaller spaces without compromising on performance. It offers a cooling capacity of 27,000 BTU and is perfect for apartments or cozy living areas. The A-VMH36QC-1, on the other hand, provides a robust 36,000 BTU cooling capacity, making it suitable for larger rooms or commercial spaces. Its advanced heat pump technology allows for efficient heating even in colder climates. Lastly, the A-VMH18DC-1 model balances functionality and space-saving design, providing 18,000 BTUs for medium-sized areas.

All models are equipped with smart connectivity options, allowing users to control the temperature settings, adjust modes, and monitor energy consumption through mobile apps or smart home systems. This modern convenience provides users with the flexibility to maintain comfort according to their schedules and preferences.

Durability is also a hallmark of the A-VMH series. Each unit is built with high-quality materials and components, ensuring longevity and reliable performance. Moreover, the whisper-quiet operation of these units enhances the overall comfort, allowing users to enjoy their spaces without disruptive noise.

In summary, the Heat Controller A-VMH27TC-1, A-VMH36QC-1, and A-VMH18DC-1 are ideal choices for anyone seeking efficient, reliable, and smart climate control solutions. With their combination of energy efficiency, advanced filtration, smart capabilities, and robust design, these units meet the diverse needs of modern living and ensure lasting comfort in any environment.
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