Rinnai REI-NP Series User manual

REI-NP Series
REI-AP Series
REI-DP Series
(For SG and E2C Models)

Contents 2
Pages
Introduction ....................................................................................................
Important Safety Information ..........................................................................
Part Contents Checklist ..................................................................................
Parts Description ............................................................................................
Rain Shower Accessory Installation Guide .....................................................
Electrical Requirements .................................................................................
Water Requirements ......................................................................................
Installation ......................................................................................................
Fitting The Shower Set ...................................................................................
Commissioning ..............................................................................................
Operating The Shower ...................................................................................
User Maintenance ..........................................................................................
Troubleshooting .............................................................................................
Specification ..................................................................................................
3
4
5 - 6
7 - 9
10
11
12
13 - 14
15
16 - 17
18
19
20
21 - 23

Rinnai Instantaneous Water Heater
3
Rinnai
Instantaneous Water Heater.

Earthing Requirement:
The Earthing installation should be carried out in accordance with the local
Wiring Regulations.Where EARTHING of the premises is not evident, it is
neccessary to run an EARTH CONDUCTOR and solidly connect an earth
rod local to the installation. The following notes are for guidance only:
1.2.1 Select a damp place to bury the earth rod.
1.2.2 Connect earth conductor of minimum 2.5mm² (7/0.67mm) to the appliances
Earth ( ) terminal. Connect other end of the earth conductor to the earth rod.
1.2.3 Check to ensure earthing resistance is less than 100Ω. It may be neccessary
to drive two or more rods and connect them together to achieve a
satisfactory results.
1.2.4 Installation of earth rod must be carried out by a registered and certified wiring
contractor.
Ground surface
To Earth Connection point
To Earth Connection point
To Earth Connection point
Earth Rod
Ground surface Ground surface
at least 1m About 2m
THIS APPLIANCE MUST BE EARTHED, TO MAKE SURE EARTH
WIRE AND HEATER UNIT HAVE PROPER GROUNDING IN HOUSEHOLD.

Part Contents Checklist (For Unit C/W Normal Shower Accessories) 5
4 x Green Wall Plug & Screw Set
1 x Handshower
1 x Stop Valve
c/w 1 pc washer
1 x Shower Holder
Rail Support c/w
4 x White Wall Plug & Screw Set
1 x Sliding Rail
1 x Flexible Hose
c/w 2 pcs washer
1 x Rinnai Heater Unit

Part Contents Checklist (For Unit C/W Rain Shower Accessories) 6
4 x Green Wall Plug & Screw Set
1 x RS Shower Head
1 x RS Sliding Rail
1 x RS Rail Support
1 x RS Shower Holder
1 x Fix Plate
1 x 3 Way Diverter Valve
1 x Fix Plate
2 x Screw & White Wall Plug
1 x 5’ Flexible Hose
c/w 2 pcs washer
1 x 3’ Flexible Hose
c/w 2 pcs washer
1 x Rinnai Heater Unit
2 x Screw &
White Wall Plug
1 x Fix Plate
2 x Screw &
White Wall Plug
1 x Handshower
1 x Stop Valve
c/w 1 pc washer

Parts Description
Parts Description 6 Parts Description 7
1. Heater Cover
2. Power Control Knob
3. RCD Test Reset button (for RCD model only)
4. Stop Valve
5. Regulator Valve
6. Rail Support (2 Nos)
7. Handshower
8. Shower Holder
9. Flexible Hose
10. Sliding Rail
11. Pump Speed Control (for REI-AP / DP Series only)
8
6
7
10
4
5
2
1
3RESET
TEST
11
9

Parts Description
Parts Description 6 Parts Description (For Rain Shower Model Only) 8
1. RS Shower Head
2. RS Sliding Rail
3. RS Rail Support
4. RS Shower Holder
5. 3 Way Diverter Valve
6. 5’ Flexible Hose
7. 3’ Flexible Hose
1
2
3
4
5
6
7

Parts Description
Parts Description
Heating Element
Mounting Holes (4 Nos)
Terminal Block
Cable Entry
Thermostat
RCD Assembly (for RCD model only)
Heater Base
Back Light PCBa
Water Tank
Electronic Control
Triac
Flow Switch Assembly
Water Inlet
Water Outlet
Pump Speed Control
Pump Assembly (AC)
Board (AC)
Board (DC)
Pump Assembly
(DC)
Power
LED PCBa
1.
2.
3.
4.
5.
6.
7.
8.
9.
10
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
REI-NP Series REI-AP Series
REI-DP Series
9
13
4
11
8
12
13
2
5
7
9
20
20
14
1
3
4
7
19
11
12
13
5
6
9
2
14
63
4
2
8
16
11
13
5
7
1
9
17
14
10
6
10
12
8
10
1515
15
18
20
LVDC
PC - 2D

Parts Description
Rainshower Accessory Installation Guide 10
(Recommended)
(Recommended)
Rainshower(RS)
Rainshower(RS) 3 Way Diverter
Rainshower(RS) 3 Way Diverter.
Rainshower(RS) 3 Way Diverter
3 WAY DIVERTER VALVE
Secure the Fix Plate (2 units) with screws provided.
Secure the Rainshower(RS) Shower Head to Rainshower(RS) Sliding Rail as shown.
Secure Rainshower(RS) 3 Way Diverter to Rainshower(RS) Sliding Rail.
Note: Be sure to insert a washer before Handshower
& rubber washer provided between hose and
outlet of Rainshower(RS) 3 Way Diverter.
Rainshower assembly are ready for use.
element power and rainy season (decrease
in ambient temperature), the instant
water heater with Rain Shower maybe
running with higher water volume
compared to Hand Shower, hence not be
able to produce hot water to desired
temperature. Users are advised to either,
decrease the flow rate at stop valve or
lower down the Pump Speed Control
(for pump model).