Honeywell ZG 215VN User manual

OPERATION AND PUTTING INTO SERVICE

Comfort Compact Controller ZG 215VN

P1 CB

auto1

ZG215VN

-8 0

8311.7151

CB50268

P1 CB

142376

L1 L2 P1 A

///

C( )

Constant discharge temperature control

/////

ZG 215VN

///

CB2282

ZG Control Unit

VM Servomotor

DR Heating mixing valve

LF Air flow sensor

TW Temperature selector (opt.)

FT Frost protection thermostat

VAir heater

Constant flow temperature control for a

floor heating system

////

VF T

ZG215VN

CBZG107.cdr

ZG Control Unit

VM Servo motor

ZR Heating mixing valve

VF Flow sensor

TW Temperature selector

TTemperature limiter

PHeating circuit pump

Operating the Control

The ZG 215VN can be used at choice for the control of an

air-handling system’s constant discharge temperature (left-

hand system diagram) or a floor heating’s constant flow tempe-

rature (right-hand system diagram).

TheVF/LF temperature sensors monitor constantly the actual va-

lues and transmit these values to theZG control unit. Should the “

temperature or the supply temperature deviate from the target va-

lue, the controller commands the VM servo motor to adjust the

ZR/DR mixing valve.

The mixing valve performs the necessary change to the mixing ra-

tio between the heated supply water and the heating circuit’s retur-

ning cooled water.

TheTW temperature selector is used as remote control. By means

of the P2 selector knob the flow or supply temperature can be mo -

dified. The temperature selector is not absolutely necessary in

functional terms, but it makes the operation easier.

The FT frost protection thermostat (air-handling system only)

works independently from the control unit and protects the air hea-

ter against freezing.

Operating and Display Components

Pos.Function Basic Setting

BDay mode

CReduced mode

P1 Sensitivity 5

SOperating mode selector auto

L1 ”Hotter“ LED (red)

L2 ”Colder“ LED (green)

1Instructions compartment

2Heating curve diagram

3Basic Settings

4Reserve trip pins

5Inserted trip pins

6Timer (optional)

7Pointer for the current time

Settings on the Temperature Selector

P2 Selector knob 0

S1 Party switch auto

Operating Mode Selector

manu The control unit is deactivated (the timer runs).

The mixing valve can be set manually (by hand).

The pump is switched on.

auto Recommended setting for higher energy saving:

automatic change between day and reduced mode

according to the timer with night switch-off.

Only night mode, timer not active.

Constant reduced mode according to the settings on

the setting knobs Bminus C, the timer remains

inactive.

LED’s

L1 L2

Both LED’s light up:

”neutral“

– mixing valve stops

only red LED lights up:

”hotter“

– mixing valve opens

only green LED lights up:

”colder“

– mixing valve closes

In the manu settings of the operating mode selector Sthere is no

LED display.

Putting into service

nSet the timer 6with the current time

nSet the operating mode selector Sto auto

The remaining basic factory settings are printed under 3on the

control unit.

Timer for reduced mode 6

With the aid of the timer, the room temperature during idle periods

can be reduced automatically to save on operating costs.

The timer has a built-in power reserve of approx. 60 hours thanks

to a rechargeable battery.

Changing the program

Factory settings: red pin 6:00, blue pin 22:00.

nPull out the trip pin and insert it again at the desired

switch-on time. Push in the trip pins until they reach the

stop!

Owing to the different lengths, the trip pins must always be inser-

ted in a red/blue alternate ordere. Thered trip pin switches on day

mode, while the blue pin activates reduced mode.

In order to make sure that the rooms are heated well in the morning,

the heating system’s day mode should be activated between a half

an hour and an hour before using the rooms.

Energy saving tip: Reduced mode can be activated up

to an hour before the room is left. The storage capaci-

ty of the heating system and building is enough to

keep the rooms warm for some time.

Timer with day program

The day program is repeated every 24

hours. If a (second) decrease in tempera-

ture is desired in the course of the day to

save energy, the program needs to be ex-

tended. Take the extra trip pins 4and

insert them at the desired time.

CB5044.7.cdr

Example:

Desired time program

Normal temperature: 6:00 h to 8:00 h and 16:00 h to 22:00 h

Night decrease: 22:00 h to 6:00 h

Day decrease: 8:00 h to 16:00 h

Position of the trip pins

red pin 6:00 h – Start day mode (normal temperature)

blue pin 8:00 h – Start day decrease

red pin 16:00 h – Start day mode (normal temperature)

blue pin 22:00 h – Start night decrease

Timer with week program

The timer has a changeable dial.

With the week program, dialling a different heating program for

each weekday is possible.

The dial is prepared ex factory for the day program and, if required,

it can be changed to week program (see installation instructions).

Setting the right time

To set the time, the time dial is to be placed on the trip pins and

turned clockwise until the indication on the setting marker 7

matches with the current time.

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