INSTALLATION

32FUNCTIONAL FLOW DIAGRAM

mini HE C24, mini HE C28, mini HE C32

 

L

 

 

 

 

 

 

 

 

 

 

CH flow

DHW flow

 

 

 

 

switch

switch

 

 

 

 

 

bk

bk

wh

rd

bu

 

 

bn

1

29

28

34

32

33

 

 

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gas Valve

 

 

 

 

 

 

35

gy

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(on--- off operators)

bu

 

 

 

 

 

 

 

 

12

 

 

 

 

36

ye

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

bu

 

 

 

 

 

 

 

 

 

bk

13

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

bu

 

 

 

 

 

bn

 

 

 

 

 

 

 

Fan

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

gy

 

 

 

 

 

6

bk

 

23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electronic

37

rd

 

 

 

 

 

 

 

 

Air pressure switch

 

 

control pcb

38

 

 

 

 

rd

 

 

 

 

 

 

 

 

 

gy

25

 

 

 

 

30

bu

 

 

 

 

 

 

 

 

bk

26

 

 

 

 

31

 

Safety

 

 

 

 

 

bu

bk

 

 

 

 

 

 

thermostat

27

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

bn

 

 

 

 

 

 

 

 

 

wh

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Flue

 

 

 

 

 

 

 

 

temperature

wh

20

 

 

 

 

10

 

probe NTC

 

 

 

 

 

bu

 

 

39

16

15

 

 

2

 

 

 

 

 

 

 

 

 

Ignition

 

 

 

 

 

 

 

 

electrodes

 

 

 

 

 

 

 

 

Detection

 

 

 

 

 

 

 

 

electrode

 

 

 

 

 

 

 

Condensate

 

 

 

 

 

 

 

trap

 

Gas Valve (modulation coil)

Three way div. valve

DHW temp. probe NTC

CH temp. probe NTC

Pump

N

INSTALLATION

mini HE --- Installation & Servicing

27

Page 27
Image 27
Mamiya C32, C28, C24 manual Installation Functional Flow Diagram, Control pcb

C28, C24, C32 specifications

The Mamiya C series is celebrated among photography enthusiasts for its unique twin-lens reflex (TLR) design, offering both a classic aesthetic and innovative features that set it apart in the world of medium format cameras. The C32, C24, and C28 models represent a range of technology and design advancements that cater to various shooting needs.

The Mamiya C32, introduced in the early 1970s, is renowned for its precision engineering and versatility. This model features interchangeable lenses, allowing photographers to switch between different focal lengths for creative flexibility. The camera supports 120 and 220 film formats, enabling higher film capacities for extended shooting sessions. An essential feature of the C32 is its built-in light meter, which enhances exposure accuracy by providing real-time readings. The camera's bright waist-level finder offers excellent viewing comfort and composition aid, attracting those who appreciate a more hands-on shooting experience.

Next in line, the Mamiya C24 offers a slightly more compact and lighter design, making it an appealing option for documentary and street photographers. While still featuring the electronic leaf shutter system utilized in the C32, the C24 omits built-in metering, which encourages users to develop their exposure skills. The lens selection remains robust, with options ranging from wide-angle to telephoto, allowing for creative versatility. The C24's rugged build quality and reliable shutter performance make it a trusted companion in various shooting conditions.

Lastly, the Mamiya C28 provides a perfect blend of portability and advanced capabilities. With its ergonomic design and improved lens coatings, the C28 offers enhanced image quality with better contrast and sharpness. Similar to its predecessors, it utilizes an interchangeable lens system but enhances user convenience through quick-to-use shutter speeds and aperture settings. The camera is also compatible with a range of accessories, such as flash units and close-up attachments, further expanding its creative potential.

In summary, the Mamiya C32, C24, and C28 each present unique features and technological advancements that cater to various types of photographers. Whether it's the precision of the C32, the compact convenience of the C24, or the versatile performance of the C28, these cameras maintain a special place in the hearts of medium format enthusiasts, showcasing the blend of craftsmanship and innovation that Mamiya is known for.