Zenith HydroTap G4 User manual

802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00 Page 1 of 24
G4 Industrial Tap
User Guide
• Tap Operation...................(Pages 2-7)
• LCD Screen & Menu .......(Pages 8-19)
• Maintenance.................... (Pages 20-21)
Date of Installation............/........./..........
Affix Model Number Label
Here
802743NZ

Page 2 of 24 802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00
3. Tap Safety
IS - Three button tap
The safety lock feature is provided to prevent boiling water flowing if the hot
button is inadvertently pressed.
This function can be activated and deactivated from either the Tap or from the
touch screen display (Located on the unit in the cupboard).
To set the tap safety setting: (Not for IS Two button tap)
1. Press [MENU] button for main
menu.
2. Press [Setting] button.
3. Press [Safety] button.
4. Press button - YES / NO
to allow or disallow the safety
setting to be changed on the tap.
Note: The Factory setting is set at YES
A
B
C
A
To activate the safety
(From the tap):
After selecting to allow the safety
setting from the menu screen. Press
simultaneously, the Red/Safety lock
button and Blue/Chilled buttons, while
keeping both fingers in position for
more than ten seconds.
To deactivate the
safety (From the tap):
Press simultaneously, the Red/Safety
lock button and Blue/Chilled buttons,
while keeping both fingers in position
for more than ten seconds.
To control the safety
(From the touch screen):
(see page 19)
For Hot Isolation:
(see page 19)
Press both
buttons
simultaneously
To set the IT tap safety setting:
Note:

802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00 Page 3 of 24
To activate the safety (From the IT tap):
After selecting to allow the safety setting from the menu screen (See above).
Place a finger on the safety lock, then
depress the blue button, while keeping
both fingers in position for a period of
approximately ten seconds.The safety lock
indicator light will now be illuminated.
To deactivate the safety
(From the IT tap):
First place a finger on the safety lock, then
press the blue button, while keeping both
fingers in position for a period of approx-
imately ten seconds. The safety lock
indicator light will now extinguish.
Safety Lock
3. Tap Safety
To allow the safety setting to be changed
using the touch screen:
1. Press the [MENU] button for
main menu.
2. Press the [Setting] button.
3. Press the [Safety] button.
4. Press button to allow the
safety setting to be changed.
To Enable or Disable the safety on the tap
5. Press button to select Enable / Disable
For Hot Isolation (see page 19)
A
B
C
A
B
IT - Two button tap
A safety lock feature is provided to prevent boiling water flowing if the hot
button is inadvertently pressed. The boiling water taps (except the 2 button
side touch tap) are fitted with a safety lock. For the IT tap, this function can be
activated and deactivated from either the Tap or from the touch screen display
(Located on the unit in the cupboard).
To set the IT tap safety setting:
1. Press [MENU] button for main
menu.
2. Press [Setting] button.
3. Press [Safety] button.
4. Press button - YES / NO
to allow or disallow the safety
setting to be changed on the tap.
Note: The Factory setting is set at YES
A
B
C
A

Page 4 of 24 802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00
IS - Two Button Tap operation
Boiling water: (with safety disabled)
The two button tap has NO safety button, therefore boiling water may be
dispensed by pressing the RED button. Water will flow from between 5 and
15 seconds (This is user adjustable). Releasing the button will stop the flow
of water and will allow the unit to reset for repeat operations.
Chilled water:
Pressing the “BLUE” button allows the dispensing of chilled water. Water will
flow from between 5 and 15 seconds (This is user adjustable). Releasing the
button will stop the flow of water and will allow the unit to reset for repeat
operations.
Upper RED button for
dispensing boiling water
Lower BLUE button for
dispensing chilled water
IMPORTANT: Before operating the two button tap, follow the steps,
on page 2 to ensure the safety setting has been changed to [Disable].
No boiling water will be dispensed unless the internal safety is set to [Disable].

802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00 Page 5 of 24
Upper RED button for
dispensing boiling water
Lower BLUE button for
dispensing chilled water
Middle RED button for
safety lock
3.IS - Three Button Tap operation
Press both
RED buttons
simultaneously
to dispense
boiling water
Boiling water:
The three button tap requires
the middle button to be pressed
simultaneously with the RED button
in order to dispense boiling water.
Water will flow from between 5
and 15 seconds (This is user
adjustable). Releasing the button
will stop the flow of water and will
allow the unit to reset for repeat
operations.
Note: No boiling water will be
dispensed when Hot Isolation is
enabled (See page 19 for details)
Chilled water:
Pressing the “BLUE” button allows
the dispensing of chilled water.
Water will flow from between 5
and 15 seconds (This is user
adjustable). Releasing the button
will stop the flow of water and will
allow the unit to reset for repeat
operations.
Press the
BLUE button

Page 6 of 24 802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00
IT Tap operation
Chilled water
Pressing the “BLUE” button allows the
dispensing of chilled water. Water will flow
from between 5 and 15 seconds (This is
user adjustable). Releasing the button will
stop the flow of water and will allow the unit
to reset for repeat operations.
Press the Blue button
Press the Red button
Press the safety button
Boiling water:
(With the safety ON)
Pressing, simultaneously, the “Safety lock
button” and the “Red” button will dispense
boiling water. Water will flow from between
5 and 15 seconds (This is user adjustable).
Releasing the button will stop the flow of
water and will allow the unit to reset for
repeat operations.
Note: No Boiling water will be dispensed
when Hot Isolation is enabled (See page 19
for details)
Boiling water:
(With the safety OFF)
Pressing the “Red” button will dispense
boiling water. Water will flow from between
5 and 15 seconds (This is user adjustable).
Releasing the button will stop the flow of
water and will allow the unit to reset for
repeat operations.
Press the Red button

802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00 Page 7 of 24
IT Tap lights
Filter light:
Filter Change Light Off:
This indicates the filter is operating within its
normal specified lifespan.
Filter Change light flashing slowly:
The light will flash slowly when the filter is due
for replacement and the LCD will show “Filter
Change”. Refer to “Replacing the filter” in
section ‘C’ of this document.
Filter light
Blue Chilled Water Light:
On all the time:
This indicates that the temperature of the
chilled water is within the set temperature
range.
Flashing slowly:
This indicates that the chilled water is not within
the set temperature range. When the chilled
water is at the set temperature, the light will
stop flashing. This could take several minutes.
During heavy usage, the temperature can rise
out of this range.
Blue Light
Red Lights
Red Boiling Water Light:
On all the time:
This indicates that the boiling water is ready.
Flashing slowly:
This indicates that the boiling water is below
the desired temperature.
Wait for the light to stop flashing before
dispensing water. The flashing light will typically
occur after switching on, or coming out of sleep
mode.
Safety Light
Safety light:
Safety light ON:
No boiling water will be dispensed unless the
safety button and the Red button are pressed
simultaneously.

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Note: When selecting Menu options, the screen will revert to the main
menu, if the screen remains inactive for a period, in excess of 10 seconds.
Zenith HydroTap introduces a ‘TOUCH’ screen for easy setup and operation
adjustment.
Other possible messages in status window:
Status** Information Notes
Safety OFF Product is in normal operation
mode
-
Safety ON Safety lock is activated Refer to section
G - safety
System Fault Product has one or more system
faults
Refer to section B
Sleep Mode System is in sleep mode. Boiling
water or hot water is not available.
Refer to section
G - Energy mode
Log Memory Full - -
Change Filter External/Internal filter needs to be
replaced
Refer to section C
System Off System off in off mode. No boiling
water or chilled water available.
Refer to section
G - Energy mode
Hot Isolated Hot isolation has been activated.
Boiling water or hot water is not
available.
Refer to section
G - Safety
3LCD Screen
Safety lock on Energy mode IconSleep mode Icon
Current Date/Time
The horizontal
bar moves from
top (100%) to
bottom (o%).
Indicating filter
use
Menu buttonSet chilled temp.Set boiling temp.
Product model
Status window **
NOTE: See page 22 for icon details

802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00 Page 9 of 24
3LCD Screen Menu
Main Menu Sub Menu Sub Menu Options Section
Language
• English
• Deutsch
A
• Product Info
• System Faults
• Event Log
• Product serial No.
• Lists
B
Information
Installation
• Filter Flush
• Filter Reset
• Boiling Calibration
• Booster
• Reset options
• Calibration
options
C
Service Password protected
D
Security
• Enable Password
• Set Password
• Change Password
E
Communication
• Remote Monitor
• Wifi Option
F
Settings
• Date/Time
• Temperature
• Filter
• Energy Modes
• Safety
• Dispense Times
• 12hr/24hr Mode
• Hot/Cold Setpoint
• Filter Life (Litres)
• Filter Life
(Months)
• Sleep Mode
Options
• Safety Lock
• Hot Isolation
• Hot/Cold
Dispensing
G

Page 10 of 24 802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00
A Set Language
B System Information
In this section, you can find your product serial number , check system fault
messages or view the event logs of your product.
LCD Screen operation - Section A
LCD Screen operation - Section B
1. Press [MENU] for main menu.
2. Press [Language] button.
3. Select the country to change the
language
4. Press [<=] button for the previous
menu
1. Press [Product Info] to view the
product serial no.
2. Press [<=] button for the previous
menu or press [Home] button to
return to the home screen.
1. Press [System Faults] to check the
fault information;
2. Press [<=] button for the previous
menu or press [Home] button to
return to the home screen.
1. Press [Filtert Log] to view the
system’s filter log.
2. Press [<=] button for the previous
menu or press [Home] button to
return to the home screen.
1. Press the [MENU] button for main
menu.
2. Press the [Info] button to view the
product serial number and other
key information

802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00 Page 11 of 24
C Install
Have a 10L bucket or similar container (not supplied) at the ready to hold
a quantity of water that will be ejected while the Filter Flush Mode is in
operation. Open the filter access door on the front of the HydroTap and the
filter cartridge will be exposed. Located to the rear RHS of the cartridge is a
flush line, approx 600mm long and the flush line stop cock. Place the valve
end of the flush line into the bucket or container.
Once your Zenith HydroTap G4 unit has been installed, Go to Install menu to
configure the system settings for your product.
1 - Filter Flush
Note: Run at least 10 Litres
of water through to flush the
filter of any excess black carbon
particles (this is normal). Once
the filter flush has finished,
press the Stop button to display
the main menu
Sub menu:
1. - Filter Flush
2. - Filter Reset
3. - Boiling Calibration
4. - Booster
5. - Lux sensor - Not applicable
LCD Screen operation - Section C
OPEN
Position
CLOSED
Position
ON
OFF
1. Press [MENU] button for main menu.
2. Press [Install] button. Turn the stop
cock ON.
3. Press [Filter Flush] button.
4. Press [Start] button to start filter
flush. Once the filter flush is finished,
Turn the stop cock OFF first (to
ensure the cock is properly closed)
then press [Stop] to end filter flush
mode.
5. Press [<=] button for the previous
menu or press [Home] button to
return to the home screen.
6. After initial installation, Turning
OFF the Filter Flush Mode puts the
HydroTap into calibration mode.
With subsequent filter changes, the
system reverts to the main menu.
The Zenith HydroTap allows the user to adjust the filter life and to edit the
filter usage. (See filter details on Page 16 ).

Page 12 of 24 802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00
After replacing the filter, the counters should be reset
On start up, the Zenith HydroTap starts a self-calibration program. The
controls take the system through the calibration process. Once complete, the
system reverts back to normal operation. If you would like to calibrate the
system anytime after initial installation, please follow the steps below.
1. Press [MENU] button for main
menu.
2. Press [Install] button.
3. Press [Boiling Calibration] button.
4. In the next screen, press [Calibrate]
to start calibration.
Boiling Calibration Screen
3 - Boiling Calibration
Caution: In general, boiling water units may vent steam from the tap
spout. Take care to avoid personal injury whenever this occurs.
This function should only be considered when a Booster unit is installed.
G4 HydroTap Booster Screen
4 - Booster
Note: Failing to make the correct selection for ‘Booster’ will effect product
performance.
2 - Filter Reset
LCD Screen operation - Section C
NOTE: Occasionaly the system will vent steam from the tap. This is normal
operation as HydroTaps are programmed to re-calibrate at regular intervals.
1. Press the [MENU] button for main
menu.
2. Press the [Install] button.
3. Press the [Filter Reset] button.
4. To set the filter life or edit filter
usage, refer to section G- Filter.
1. Press the [MENU] button for main
menu.
2. Press the [Install] button.
3. Press the [Booster] button.
4. If a Booster is installed, select YES
to enable the Booster.
5. Dispense boiling water for a
minimum of 30 secs and check
the outlet hose from the Booster is
warm.
6. Otherwise select NO, if no Booster
is installed

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LCD Screen operation - Section D
5 - Lux Sensor Calibration
LCD Screen operation - Section C
This function is not applicable for IS and IT Taps
This section is reserved for service technicians only
Note: Call a licensed electrician, plumber,or Zenith office on 0800 558055,
for assistance, service, spare parts, or enquiries.
D Service

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E Security
The Zenith HydroTap G4 allows the appliance coordinator to set up a pass-
word to protect against users changing the preferred system settings.
To set a password
1. Press [MENU] button for main menu.
2. Press [Security] button.
3. Press [Enable Password]
4. Enter a 4 digit password
3. LCD Screen operation - Section E
To change a password
1. Press [MENU] button for main menu.
2. Press [Security] button.
3. Press [Change Password}
4. Enter your old 4 digit password
5. Then enter your new 4 digit
password. You will need to enter
your password to access the settings
screen. If you have forgotten the
password, please disconnect the
power and restart your HydroTap unit.
F Communication (when available)
The Zenith HydroTap G4 allows the user to use wifi to monitor and control the
product remotely.
Not yet available
LCD Screen operation - Section F

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G Settings
3. LCD Screen operation - Section G g Instructions
1. Press [MENU] button for main
menu.
2. Press [Setting] button.
3. Press [Date/Time] button.
4. Select 12 hour mode or 24 hour
mode. The selected mode will be
displayed in dark grey colour with a
tick box on the right.
5. Press [NEXT] button to set time.
G4 HydroTap Set
Date/Time Screen
Set Date / Time
Zenith HydroTaps are designed to operate within 1ºC to 2ºC of set point for
boiling water and between 5ºC to 9ºC for chilled drinking water. All boiling
water units are self calibrating to 98ºC, which is the recommended setting.
Adjustments to the 98ºC setting are not recommended however, under
certain circumstances adjustments may be made between 68º - 100ºC. It
should be noted that a 6% energy saving in standby power can be achieved
when the 98ºC setting is selected over the 100ºC setting. Furthermore, the
100ºC setting is not recommended as the delivery rate of water may be
affected.
Set Temperature
If, in section E, you have set a password, then you will need to enter your
password to access the settings screens. If you have forgotten the password,
please disconnect the power and restart your HydroTap unit.
1. Select individually the hour, minutes
and day and adjust using the up and
down arrows.
2. Select individually the date, month
and year and adjust using the up and
down arrows.
3. Press [HOME] to return to the Home
screen.
1. Press the [MENU] button for main
menu.
2. Press the [Settings] button.
3. Press [Enable Password].
4. Then enter your 4-digit password.
You will need to enter your
password to access the settings
screens. If you have forgotten the
password, please disconnect the
power and restart your HydroTap
unit.

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1. Press [MENU] button for main
menu.
2. Press [Temperature] button.
3. To adjust the temperature, press
the relevant temperature button and
then use the up and down arrows.
3. LCD Screen operation - Section G tions
To edit the filter life:
1. Press [MENU] button for main
menu.
2. Press [Setting] button.
3. Press [Filter] button.
4. Press [Filter Life] button, for Internal
or External filter.
5. To change filter life, first select filter
life (Litres) or filter life (Months), then
adjust using the up or down arrows.
Note:
Filter Life increases in 500 litre
increments to a maximum of 10000
litres. Factory set at 6000 litres.
Filter
Zenith HydroTap G4 allows the user to adjust filter life and edit filter usage.
To edit the filter usage:
This function is to reset the Filter Change display after a filter has reached
the end of its life (refer to “Replace Filter Instructions” section of this
document).
1. Press the [MENU] button for main
menu.
2. Press the [Setting] button.
3. Press the [Filter] button.
4. Press the [Edit Filter] button for
Internal or External filter.
5. To edit, select Edit Usage(Litres) or
Edit Usage (Months), then adjust
using the up or down arrows.
6. Press [HOME] to return to the
Home screen.
Note: The filter life may be set as a
function of Litres used, or in months
from the filter change. When the first of
these functions is reached (i.e. Litres or
months expired), the filter warning light
will be illuminated on the tap.
Either of these functions may be
disabled (See below).

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3. LCD Screen operation - Section G
This mode allows the HydroTap to Go into Energy Saving mode. There are
two options available: ‘Sleep’ mode and ‘ON/OFF’ mode.
To activate the sleep mode:
1. Press [MENU] button for main
menu.
2. Press [Setting] button.
3. Press [Energy Modes] button.
4. Press [Sleep Modes] button then in
the next screen, use the up and down
arrows to select one of the 3 options, as
shown in the table below.
Energy Modes
In Sleep Mode the unit will Go to “Sleep” after a 2hr period of inactivity.
The Boiling water will gradually drop to either 68°C or room temp, as shown
in the table below and the Chilled water will be ON or OFF.
When the period of inactivity passes, the home screen status window will
show “Sleep Mode”.
Note: Lux sensor options are not applicable for the Industrial Tap series.
Sleep Mode Light
Level
Time
Delay State Boiler Chiller
2 Hours-> 68°C N/A 2 Hr Sleep 68°C ON
2 Hours-> OFF N/A 2 Hr OFF OFF OFF
Disable N/A N/A ON ON ON
Note: Any attempt, during OFF mode, to dispense water, will bring the unit
out of sleep mode. The unit will return to sleep mode after 2 hours of non
use. Please allow sufficient time for the water to reach the set temperature
after disabling the sleep mode.
Sleep Mode

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LCD Screen operation - Section G
1. Press Group 1 or Group 2 option
2. Press button to enable / disable
group set. When the enable box is
ticked, this allows each individual day
to have an “On/Off” time.
3. Press [ON/OFF Modes] button, to set
up ON/OFF time.
4. When in Group 2 Press [NEXT] to
select Sat-Sun options
This screen allows you to select the
individual days for programming.
Only one ON /OFF period is allowed
for each day.
Individual days set screen
Group set screen
A
A
Note: Any attempt, during OFF mode, to dispense water, will bring the unit
out of energy mode. The system will revert to the energy mode setting after
30 minutes of non use.
To activate ON/OFF mode:
1. Press the [MENU] button for main
menu.
2. Press the [Setting] button.
3. If required, Enter your 4 digit
password
4. Press the [Energy Modes] button.
5. Select ‘Individual set’ if you wish to
allocate a specific time for each day.
6. Select ‘group set 1’ if you wish to
allocate the same time to all 7 days
7. Select ‘Group set 2’ if you wish
to allocate the same time to the
5 working days (Mon-Fri) and
additional times for (Sat-Sun).
In ON / OFF Mode the user may turn the unit ON or OFF at specific times
for individual days or alternatively by weekly and/or weekend settings.
ON / OFF Mode

802743NZ - HT G4-BC-IS-IT, User Guide - Aug 2015 - V2.00 Page 19 of 24
Safety
LCD Screen operation - Section G
B
C
A
*
Note: When NO is selected, the safety lock cannot be changed from
it’s current setting. To change the safety settings, first select YES before
making the change.
B
To set the tap safety setting:
• Press [MENU] button for main
menu.
• Press [Setting] button.
• Press [Safety] button.
• Press button - YES to allow
the safety setting to be changed
on the tap
To Enable or Disable the safety on the tap
• Press button to select Enable / Disable
B
A
Hot Isolation: (Not for the IT - Two button tap)
The HydroTap is equipped with a safety mode that allows for additional
safety protection, if needed.
When activated, the HOT Isolation mode will override the settings to ensure
Boiling water is not dispensed.
To Activate the Hot Isolation:
• Press button - to Enable / Disable Hot isolation.
• To operate the tap when in Hot Isolation mode (Not for the IT - Two button
tap), press the Safety (3) three times, after a few seconds the tap lights
will flash (3) three times. This confirms de-activation and allows Boiling
water to be dispensed . The Hot Isolation can be immediately set again, by
pressing the safety lock (3) times.
• If the Hot Isolation is not re-enabled, it will be automatically re-enabled
after 30 seconds of inactivity.
Note: *Hot Isolation - cannot be activated or deactivated from the IT -
Two button tap.
C

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To change the Filter: (See also Section C)
• Open the door of the under sink unit.
• Relieve system pressure via the filter flush stop cock, a quick open and
close will do. Use the bucket to catch the discharge.
• Grasp filter cartridge, depress the red lever at the top right of the filter and
rotate the cartridge a quarter turn to the left, then gently pull down.
Water Filter
The Zenith HydroTap notifies when filter replacement is due. If you notice
one of the following, you will need to change the filter:
• The Change Filter light will flash white once a second and remain so until
reset. A filter status light is located below the Chilled Blue Lights on the
tap head assembly.
• The filter percentage will show 0% on the Home screen.
Note: Depending on local water quality conditions and usage, the filter may
require changing anywhere from 500 Litres to 10,000 Litres. You may also
need to replace the filter if you notice unpleasant odours or tastes.
Some water may drip from the filter
head (socket) during replacement.
Keep a towel handy to dry up any
drips.
Filter Maintenance
Dispense Times
This gives you the ability to change the maximum dispensing time for both
the hot and cold water. The default settings for the maximum dispensing
times is 15 seconds. Here, the operator may change both the hot and cold
dispensing times to between 5 and 15 seconds, in increments of 1 second.
LCD Screen operation - Section G
To edit the dispensing times:
1. Press [MENU] button for main
menu.
2. Press [Setting] button.
3. Press [Dispense Time] button.
4. Select the option to change and
scroll using the up and down arrow
Keys