Emerson Copeland EazyCool ZXxE series Quick Installation Manual

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Quick Installation Guide

Date of last update: 11-May-15

Ref: D7.8.5/0112-1014/E

Application Engineering Europe

ZX*E – CONDENSING UNITS

QUICK INSTALLATION GUIDE

1. Install the unit according to the application guide line.

2. Prefill the unit with refrigerant and set all valves into the operating position.

3. Set up the unit controller XMC25D for the required application.
The controller XMC25D provides 2 programming levels:

 Pr1 with direct access
 Pr2 protected with a password (intended for experts)

Explanation LED functionalities:

LED

MODE

FUNCTION

ON

Compressor 1 enabled

Flashing

Anti-short cycle delay enabled

ON

Condensing Fans enabled

ON

bar display

Flashing

Programming mode

ON

PSI display

Flashing

Programming mode

ON

You’re browsing the service menu

Flashing

In fast access menu

Flashing

A new alarm happened

ON

You’re browsing the alarm menu

ON

An alarm is occurring

ON

Digital unloader solenoid on

ON

In defrost

ON

Evap Fans - Liquid Line Solenoid Valve On

Ident number 3012904 (052-2685-00) 2/2

Quick Installation Guide

How to program the parameters “Pr1”

ACCESS
to Pr1

Press and hold for about 3 sec to have access to
the first programming level (Pr1).

Select
item

or

Select the parameter or submenu using the
arrows.

Show
value

Press SET button.
Modify

or

Use the arrows to modify the value.

Confirm
and store

Press SET key: the value will blink for 3 sec, and
then the display will show the next parameter.

EXIT

Instantaneous exit from the programming mode,
otherwise wait for about an adjustable period of
time (MTO) (without press any button).

When entering first time the programming level the display shows label rtC (real time clock).

 By pushing you have access to parameters N01/02/03/04/05 to adjust time & date.
 By pushing or the label rtC will change to PAr, which is access to the programming level 1. Push

and the parameters of programming level 1 can be changed.

The following parameters “Pr1” must be verified before commissioning

Parameter

Description

Unit

Factory

Setting

Comment

C01

Compressor cut in
pressure set point

[bar]*

4.0

Not used for Digital
ZXDE

C02

Compressor cut out
pressure set point

[bar]*

2.0

Not used for Digital
ZXDE

C07

refrigerant Selection for
Regulation

[-]

R404A

R22, R407A, R407F,
R507, N40, DR33,
R134a, R407C

C16

Digital compressor
setpoint

[bar]*

3.3

Not used for ZXM & ZXL

C17

Proportional band for
compressor regulation

[bar]*

2.0

Not used for ZXM & ZXL

C21

Cycle time for digital
compressor

[seconds]

10

Not used for ZXM & ZXL

C24

Minimum capacity for
digital compressor

[%]

20

Not used for ZXM & ZXL

C25

Maximum capacity for
digital compressor

[%]

100

Not used for ZXM & ZXL

E39

Condenser set point

[°C]

35.0

E46

regulation band of
variable fan

[°C]

10.0

N01

Current Minute

[-]

[-]

N02

Current hour

[-]

[-]

N03

Day of Month

[-]

[-]

N04

Month

[-]

[-]

N05

Year

[-]

[-]

T18

Access to Pr2 level

[-]

[-]

Password: 3 2 1

o *Pressures always considered as relative pressures

NOTE: This document is for quick installation purposes. For detailed instructions, please refer to the
Application Guidelines.