TemperZone ISF 300K Wartungs- und Serviceanleitung

ISF 300K, 450K

IT-Data Centre

Computer Room Indoor Units Installation &

Maintenance

GENERAL

These ISD indoor units are designed to be

coupled with their respective OSA outdoor

units. Units must be installed in accordance

with all national and local safety codes.

Combinations

One ISF 300K with three OSA 110RKTH

One ISF 300K with one OSA 330RKTV

One ISF 450K with three OSA 160RKTHG

One ISF 450K with one OSA 460RKTB

Optional

1. Remote return air sensor c/w 5m lead

and no case.

Fig.1 Dimensions (mm)

Not to Scale

Net Weight:

ISF 300K 200 kg

ISF 450K 250 kg

PROJECTION

940 25 598.5

ISF 300K = 600

ISF 450K = 800

1028.5

2200

Three Systems:

Middle Coil Connection

Top Coil Connection

Bottom Coil Connection

Condensate Drain 9.5 OD

Electrical and Control

Connections

Liquid 10mm OD

Gas 19mm OD

Optional Casters

may be fitted

Optional Screen Door

100

mtg ctrsmtg ctrs

2. Remote return air sensor c/w case.

3. Remote return air temperature sensor

lead; 1.5, 6, 12 or 25 m.

4. 20 m extended interface lead

(electrical box-to-plaque).

5. ISF indoor unit–to–OSA outdoor

unit interconnecting power lead;

12.5 m or 25 m; 7 core.

INSTALLATION

Positioning & Mounting

The unit is dsigned for hot isle/cold isle type

computer room applications.

Provide sufﬁcient clearance at the rear to

access the ﬁlters.

Condensate Drain

The unit has three internal condensate drain

trays which are connected by drain tubes

to the lower tray, then into a sump. Water is

then removed, via a condensate lift-pump,

out the top of the unit.

It is essential that the drainage system

for the evaporator is checked by pouring

water in the top drain tray and seeing that it

discharges at the end of the drain and does

not overﬂow the drain trays.

INDOOR-OUTDOOR UNIT CONNECTIONS

Refer to the relevant OSA Outdoor Unit

'Installation & Maintenance' pamphlet for

piping instructions. For wiring connections,

refer to the Outdoor Unit wiring diagram.

REFRIGERATION PIPING

Pipe Connection Sizes & Type

Liquid : 10 mm OD (3/8") sweat

Suction : 19 mm OD (3/4") sweat

The ISF is shipped from the factory with

a pressurised holding charge of nitrogen.

Immediately before removing any brazed

pipe connection's seal, reduce holding

charge to atmospheric pressure.

Warning: failure to do so may cause injury.

Refer to the Outdoor Unit 'Installation &

Maintenance' pamphlet for evacuation

procedure and piping requirements.

ELECTRICAL WIRING

The electrical supply required (via the

Outdoor Unit) is speciﬁed on the Outdoor

Unit's wiring diagram.

Electrical work must be carried out by a

qualiﬁed electrician in accordance with local

supply authority regulations and the wiring

diagram.

INDOOR FAN SPEED

The ISF is ﬁtted with an EC motor which

will vary its speed according to the signal

supplied by your chosen room temperature

controller.

INSTALLATION

The TZT-100 Controller PCB is supplied

pre-installed in the ISD unit's electrical box.

1. Isolate the ISF unit from power supply,

then remove electrical box cover.

2. Remove the TZT-100 Wall Plaque box

supplied loose inside the electrical box.

3. Follow the instructions supplied in the

TZT-100 Installation document supplied.

COMMISSIONING

Indoor Unit

1. Check that the thermostat is

correctly wired and set at the desired

temperature.

2. Check that any air ﬁlter (if ﬁtted) is

clean.

3. Check that the fan runs freely without

vibration.

4. Check the airﬂow at each air outlet

(diffuser) and adjust if necessary.

5. Check condensate drain for free

drainage.

6. Run the unit in cooling mode and

heating mode.

Refer to Outdoor Unit Installation

Instructions in order to complete the start-

up and commissioning procedure for the

complete air conditioning system.

Demonstrate the optional TZT-100 Wall

Control to the owner/user, after having

ﬁrst thoroughly familiarised yourself with

the User's Operating Instructions. This

document is to remain with the owner/user.

MAINTENANCE

Weekly For First Four Weeks

1. Check air ﬁlters; vacuum clean or replace

as necessary.

2. Check condensate drain for free

drainage.

Monthly

Check air ﬁlter (if ﬁtted); vacuum clean as

necessary.

Six Monthly

1. Check condensate drain for free

drainage.

2. Check heat exchanger coil; vacuum or

brush clean as necessary.

3. Check that fan motor is free running.

4. Check tightness of electrical connections.

WARNING

This unit is designed for use ONLY with the

refrigerant HFC -410A (R410A). The use

of other refrigerants is NOT authorised or

approved by the manufacturer and may

cause operational problems such as poor

performance and efﬁciency, loss of capacity,

degradation of materials and refrigerant

leaks.

The use of ﬂammable or explosive materials

as a refrigerant creates the additional risks

of ﬁre and explosion which may result in

property damage, personal injury or death.

NOTE

The manufacturer reserves the right to

change speciﬁcations at any time without

notice or obligation. Certiﬁed dimensions

available on request.

This pamphlet replaces the previous

issue no. 3073 dated 09/10.

TZT-100 replaces TZT-701.

02/12 Pamphlet No. 3739 © temperzone limited 2012

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