Rinnai RBOX02F, RBOX05 Installation Instructions Manual

RBOX05 - Fully Recessed / RBOX05 & RBOX02F - Semi Recessed

This recess box is compatible with the following Rinnai water heaters models:

REU-KM3237WD
REU-KM2635WD

1 E&TG 03-114 RBOX05 Issue 1 12/02/10

INSTALLATION METHOD

1 Prepare opening in brickwork. Brick opening – Heig ht 1020~1050mm, Width 495~530 mm, minimum depth for Recessed

230mm, minimum depth for Semi-Recessed 140mm.
(If the depth is less than 140mm the box is to be installed with the semi-recessed frame RBOX02F).
The Rinnai Recessed box can either be fitted as the brickwork is being laid using the fold out brick ties to secure the

box, or

in an existing installation, cut an opening in the brickwork and fix the box by drilling holes in the sides and fix in

position with suitable flush headed masonry anchors.

2 Semi-Recessed installation using (RBOX02F). Assemble the frame components with screws supplied, utilising the pre-

drilled holes located in each corner of the frame components. Slide the assembled frame onto the recess box from the
rear and secure to the outer frame flange with screws supplied, utilising the pre-drilled holes 2 of each are located on
each side.

3 The gas, cold water inlet and hot water outlet pipes can be brought through the pipe entry holes in the bottom panel of

the box.

4 IMPORTANT – The Rinnai water heater serial number

and model number on the data plate located on the left

hand side of the appliance, MUST

be copied to the sticker on the inside of the access panel. You will need to

know the serial number for any warranty or service work.
5 Secure the bracket with the 5mm stud inside the top of the recess box. Facing the stud to the front of the recces box.
6 Each recess box is supplied with a right-angle bracket that has 3 small holes on the horizontal t ab and a key-way on th e

vertical tab. This bracket is to attach the appliance to the 5mm stud in the top of the recess box. Remove the three

screws located on the top of the water heater and use these to fix the bracket to the top of the water heater.
7 Hang the water heater on the top bracke t over the stud in the top of the re cess box and secu re with a suit able fastener.
8 Ensure the lower bracket is located on the 5mm stud on the back panel of the recess box and secure with a suitable

fastener.

14 Ensure the warning sticker on the front panel is visible when the appliance is installed.

If you require further information, please call the Rinnai Customer Care Centre

1300 555 545

9 When fitting the front access panel use a screw driver to bend out

the tab retaining slots to 90° as shown in Fig. 1.
10 An approved weatherproof electrical GPO can be fitted either inside

the recess box, or can be fitted adjacent to with the power lead

brought through the gap at the bottom of the access cover.
11 Follow the Testing and Commissioning Procedure contained in the

General Installation Instructions situated in the pouch behind the

front panel of the water heater unit.
12 Seal all gaps inside the recess box with Silicon Sealant to prevent

water from entering the wall cavity.
13 Tighten nuts to secure the appliance.

Fig 1.

90°

2 E&TG 03-114 RBOX05 Issue 1 12/02/10

DIMENSIONS & INSTALLATION DIAGRAMS

Rinnai Australia Pty. Ltd.

ABN 74 005 138 769

10 to 11 Walker St Braeside, Victoria, 3195

Ø 5 mm mounting s tud

Pipe Entry Holes

490

490

40

30

40

570

1020

285245

1100

1200

10

40

550 60

670

20

40

10

55

285

10

10

50

60

06

40

49090

90

Secure hot water
heater to the 5mm
studs.

Fold out brick ties to suit.

Front tie for Recessed,

rear tie for Semi-recessed.

Approximately 1m

above finished

ground level.

Recess Box

Semi-recess Box

Semi-Recess BoxRecess Box

Ø 5 mm mou nting stud

Plaster Board

Recess Box is

manufactured

with a 2° fall

Mounting brackets, upper bracket has Ø 5 stud

and is secured to lower bracket with a nut.

Ø 5 mounting stud

Ø 5 stud nut