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AFFINITY DUAL CAPACITY HYDRONIC INSTALLATION MANUAL
HydroZone Controller Instructions cont.
Backlight on Time
This controller has a two color backlight feature. Anytime a button is pressed, the blue backlight stays on for a certain
amount of time. A red backlight is visible if you are selecting Emergency Heat mode. You can adjust the amount of time the
backlight stays on in the menu options.
1.
From the Main Menu, scroll to MENU and press the center button
■
on the keypad.
2.
You can change the backlight on time by using the up and down arrows
▲▼
. BACKLIGHTING ON (all the time), 15 sec.,
30 sec., and NO BACKLIGHTING are your choices. Press the enter
■
button to save the new backlight on time.
Advanced Settings
Security Lockout
This controller has the option to set security features to lockout everything but the adjustment of the
temperature or a total keypad lockout.
1.
From the Main Menu, scroll to MENU and press the enter button
■
on the keypad.
2. Select
LOCK/UNLOCK.
3.
The selection will bring you to the Enter Pin Number screen.
4.
Using the up and down arrows
▲▼
, select a pin number to lock out the thermostat. The right arrow
►
moves you to the next pin digit.
5.
Once you’ve entered the 4-digit pin number, press the enter button
■
to save the pin. The screen
will display LOCKED and return to the main Screen.
6.
Once you return to the Main Screen, in the upper left of the screen will alternate between LOCKED
and the date and time.
7.
Once unlocked, you will have to reset a pin number again to lockout the thermostat again.
8.
In the event the pin number is lost, the default is 9999.
Installer Information and Advanced Features
Safety Considerations
Improper wiring or installation may damage the controller. Wiring must conform to local and national electrical codes.
Introduction
The controller is a low-voltage controller which maintains geo storage tank temperature by controlling the operation of
multiple hydronic heat pumps system. Batteries are not required; temperature and mode settings are preserved with the
power off. The controller is not a power stealing device and MUST have both R and C connected. This controller does not
regulate temperature in the conditioned space.
HydroZone Installation
1. Turn off all power to unit.
2. Separate the front and back pieces of the HZ0.
3. Mount the base of the HZ0.
4. Connect wires to proper terminal on the pump relay. (see wiring schematic 97P806-01 on page 4).
5. Replace the cover on the base.
6. Turn on power to the unit.
NOTE:
If the unit is connected to a Geo-Tank that does not have a tank water temperature sensor. Tank sensor kit
GTANKTSK is shipped with the unit. This kit includes a bung fitting and well point thermistor.
