Temperature Controller Installation (V53e)

Mounting the Controller

Follow the procedure below to install an MC-91 or MCC-91 temperature controller.

1.Determine a suitable location for the controller.

2.Make three holes in the wall as shown.

3.Run the cable between the controller and the Rinnai water heater or the controller and another controller.

4.Remove the face plate from the temperature controller using a screwdriver.

5.Connect the cable to the temperature controller.

6.Mount the controller to the wall using the holes drilled in step 2.

Temperature Controller

securing screw

wiring hole

securing screw

1-21/32"

3-5/16"

7.Disconnect the power from the water heater.

8.Remove a screw on the Quick Cable Connector. (Figure 1)

9.To access the cable screws rotate the Quick Cable Connector 90º counterclockwise. (Figure 2)

10.Insert wire cable through the Cable Access Hole so that it can be accessed from the back. (Figure 2)

11.Loosen the clamp screw and secure wire cable with clamp. The clamp is in the box with the temperature controller. Make sure the length of the wire is long enough. There should be no tension in the wire. (Figure 3)

12.Loosen 2 cable screws on the terminals for controls and connect the cable. You cannot connect more than 2 cables at a time. When connecting more than 2 cables, connect them in parallel. (Figure 4)

13.Install the Quick Cable Connection with 1 screw. (Figure 5)

V53i & V53e Operation and Installation Manual

37

Page 37
Image 37
Rinnai V53I, V53E installation manual Temperature Controller Installation V53e

V53I, V53E specifications

When it comes to reliable and efficient tankless water heaters, Rinnai stands out with its exceptional models, the V53I and V53E. These units are designed to provide a continuous supply of hot water, making them ideal for a variety of applications, from residential homes to small commercial settings.

The Rinnai V53I is an indoor model that boasts advanced technology and a compact design. Its main feature is the ability to deliver up to 5.3 gallons of hot water per minute, depending on the inlet water temperature, which ensures that households can enjoy multiple hot water outlets simultaneously without the fear of running out. The unit employs advanced energy efficiency standards, which can lead to increased savings on energy bills. Additionally, it comes equipped with the Rinnai Circ-Logic technology, enabling users to set recirculation patterns that ensure hot water is readily available when needed.

On the other hand, the Rinnai V53E is engineered for outdoor installation, with weatherproof capabilities that make it resilient against the elements. Just like the V53I, it produces up to 5.3 gallons per minute, ensuring ample hot water supply. Both models are equipped with a patented heat exchanger system, designed for optimal performance and performance longevity. This means that users can rely on consistent hot water production over the lifetime of the unit.

One of the standout characteristics of these models is their compact design, making them easy to install even in tight spaces. Rinnai’s tankless technology eliminates the need for bulky storage tanks, allowing for more functional residential and commercial space. The durability and reliability of both models are further reinforced by a commercial-grade heat exchanger that can withstand high-demand situations.

From a safety perspective, both the V53I and V53E include multiple safety features, such as freeze protection and a range of venting options, providing peace of mind to users. Rinnai also emphasizes sustainability, with their units promoting reduced energy consumption and emissions compared to traditional water heating systems.

In summary, the Rinnai V53I and V53E models offer advanced technology, efficient performance, and user-friendly characteristics. Whether indoors or outdoors, these tankless water heaters are designed to meet the demands of modern living while contributing to energy savings and environmental sustainability. With Rinnai’s reputation for quality and reliability, homeowners and business owners alike can trust these models to deliver uninterrupted hot water, season after season.