Reznor ULSA 025(EC) Installation Commisioning Servicing & User Instructions Download

Page: 27 / 30

1701ULSA(EC)--EN, p. 27/30

14.

PARTS

LIST

Description

Part number

Reference

Application

motor+ventilator

01 26060

FN040-4EW.0F.A7P1

025 ULSA AC

motor+ventilator

01 26061

FN040-4EW.0F.A7P2

035 ULSA AC

motor+ventilator

01 26040

FN045-4EW.4I.A7P1

050 ULSA AC

motor+ventilator

01 26063

FN063-6EW.4I.A7P1

075 ULSA AC

motor+ventilator

01 26040 (2x)

FN045-4EW.4I.A7P1

100 ULSA AC

motor+ventilator

01 26070

S3G400-LK08-H4

025 ULSA EC

motor+ventilator

01 26070

S3G400-LK08-H4

035 ULSA EC

motor+ventilator

01 26071

S3G450

‐

LL03

‐

050 ULSA EC

motor+ventilator

01 26072

S3G630

‐

AE55

‐

075 ULSA EC

motor+ventilator

01 26071 (2 x)

S3G450

‐

LL03

‐

100 ULSA EC

venter

20 25747

RG148

025-035-050

venter

20 25748

RG175

075-100

burner relay

03 25327

TC340

all

interface burner relay

03 25327 01

344

all

main cable tree

06 41850

all

limit control LC1

05 25167 5050

T7335B

all

limit control LC3

03 24959

542332

all except 075 ULSA EC

limit control LC3

03 24959 03

10H14

075 ULSA EC

flame sensor

05 25171

EXP0048

025

flame sensor

05 25191

PSE-RZ30

035-100

ignition electrode

05 25169

exp0049

025

ignition electrode

05 25190

PSE-RZ29

035-100

reset switch

60 61988

2645

all

signal lamp

60 61997

all

pressostat

30 60621 13

605

all

venturi gas valve

03 25700 003

0 0 3

025

venturi gas valve+40cm tube

03 25700 051

0 51

035

venturi gas valve+20cm tube

03 25700 051

0 51

050

venturi gas valve

03 25700 051

0 51

075

venturi gas valve

03 25700 050

0 50

100

premix gas valve

03 25800

VK4115V

025-075

premix gas valve

03 25801

VK4115VB1012B

100

gas valve plug+wire

03 25141 V1

45900441

all

burner

50 60250 025

51416

025

burner

50 60250 035

51425

035

burner

50 60250 050

51418

050

burner

50 60250 075

51420

075

burner

50 60250 100

51422

100

Coil

30 61742 240V

66.82.8.230.0000

all

Siphon

70 61761

Waven

all

15.

USER

INSTRUCTIONS

Attention

Never

switch

off

electricity

supply

the

air

heater

without

first

closing

the

gas

isolating

tap.

How

the

air

heater

works

Gas

burned

atmospheric

burner

which

fires

into

heat

exchanger.

The

gas

burner

controlled

double

gas

valve

via

electronic

burner

control,

which

operated

automatically

via

external

controls

i.e.

room

thermostat

and/or

time

switch.

The

burner

lit

spark

igniter.

When

the

burner

fires

and

warms

the

heat

exchanger,

the

heat

sensed

thermally

operated

fan

control,

which

switches

the

fan

when

the

air

temperature

has

reached

its

preset

operating

level.

Summary of Contents for ULSA 025(EC)

Page 1: ...ION COMMISSIONING SERVICING USER INSTRUCTIONS Applies to Belarus Bulgaria China Czech Republic Croatia Cyprus Denmark Estonia Finland Greece Hungary Iceland Latvia Lithuania Montenegro New Zealand Nor...

Page 2: ...onnection Gas supply 17 10 Electrical connections 19 11 Commissioning lighting operation 21 12 Maintenance 23 13 Fault finding 25 14 Spare parts list 27 15 User instructions 27 16 Declaration of confo...

Page 3: ...ledge unless they have been given supervision or instructions concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play wit...

Page 4: ...The installation is not in accordance with these instructions Wiring is not in accordance with the diagram furnished with the heater Unit is installed without proper clearance to combustible material...

Page 5: ...rge air along exposed walls with extra units provided to discharge air towards the centre of the area For optimum results heaters are best used in conjunction with recirculating air fans suspended at...

Page 6: ...7 199 231 Protection grade IP Revolutions per minute rpm 950 1260 1340 820 1400 1 2 G 3 4 G See table 1b B22p C12 C32 C42 C52 C62 C82 Max thermal efficiency at max heat input G20 Max thermal efficienc...

Page 7: ...0 I3B P 30 Finland I2H 20 I3B P 30 Greece I2H 20 I3P 37 Hungary I2H 20 I3B P 50 Iceland I2H 20 I3P 37 latvia I2H 20 I3P 37 Lithuania I2H 20 I3P 37 Montenegro I2H 20 I3P 37 New Zeeland I2H 20 I3P 37 No...

Page 8: ...ir inlet D 4 Electrical connections 2 Flue connection D 5 Service panel 3 External gas connection C 6 Condensate drain ULSA ULSA EC A B C D E F I J K L M 025 738 1217 1 2 G 80 82 405 55 449 135 311 12...

Page 9: ...p 9 30 Figure 1b ULSA ULSA EC 100 all dimensions in mm tolerance 3mm 1 Combustion air inlet 100mm 4 Electrical connections 2 Flue connection 100mm 5 Service panel 3 External gas connection 3 4 G 6 Co...

Page 10: ...00 100 100 820 100 500 100 100 100 820 Heaters can be mounted on suitable non combustible supports 5 INTERNAL LAYOUT Figure 3 1 Metal mesh burner 2 Zero pressure regulator 3 Venturi 4 Differential pre...

Page 11: ...suspension All points must be used Threaded nut inserts are provided on each side of the top of the heater See figure 4 After suspension the air heater should be rigid so as to avoid placing a strain...

Page 12: ...cause unsafe conditions and or create condensation The units may be installed as a balanced flue type C heater requiring both a combustion air inlet pipe and a flue pipe or as a power vented heater ty...

Page 13: ...all other relevant regulations rules in force Single wall flue pipe seamless aluminium stainless steel pipes are required All joints must be sealed to prevent products of combustion from leaking into...

Page 14: ...1701ULSA EC EN p 14 30 Figure 7 Type C appliances combustion air and flue pipe sockets Vertical flue kit option 302 Horizontal flue kit option 301...

Page 15: ...lation improved vapour barriers and weather proofing These practices mean that buildings are sealed much tighter than in the past Model ULSA ULSA EC 025 035 050 075 100 Max straight concentric length...

Page 16: ...nt condensation water dripping from the drain pipe If you want to open the siphon e g to clean it the air heater must be shut down For security reasons it is recommended to wear gloves when cleaning t...

Page 17: ...p with coupling must be mounted for servicing see figure 11 It is strongly recommended to place a gas filter and clean the gas tube with nitrogen The whole of the gas service installation including th...

Page 18: ...he venturi Throttle adjustments and CO2 measurements will have to be made in order to obtain the recommended CO2 value For details please see the CO2 Throttle adjustment section 9 3 Attention Always c...

Page 19: ...make connections to the terminals in the electric box as indicated on the wiring diagram Ensure that all cables and installers wiring are appropriately fixed and that they do not touch the flue combus...

Page 20: ...ual on off control 0 or 100 functioning 2 By means of option 952 weekly programming digital chronothermostat GA11 used for remote control of several units consult option 952 instruction for more detai...

Page 21: ...ed during a run cycle an automatic attempt for re ignition will take place If the burner does not relight safety shut down and lockout will occur Manual intervention to reset will be necessary to put...

Page 22: ...ing which the combustion fan operates prior to activation of the ignition device The safety time is the delay between the gas valve being energised and the flame sensor checking for the presence of a...

Page 23: ...ve all the dust from the combustion air fan with a soft cloth or brush 11 Check that the motor and the turbine are undamaged 12 Replace all parts in reverse order Substitution of bulb thermostat LC3 1...

Page 24: ...el see removal of the service panel 4 Disconnect the electrical connections of the air circulation fan These connections are on the electrical connections terminal see the wiring diagram 5 Loosen the...

Page 25: ...e unit is grounded earthed YES Connect ground wire to unit chassis Replace flame sensor Replace control module YES YES In case of a LL net swap the 2 lines NO Check if the igniter sparks Check presenc...

Page 26: ...ameters YES Replace Pressure switch NO Check copper pipe inside the unit is not clogged Replace copper tube Check if the cooling fan works within set parameters NO Replace cooling fan NO Check if the...

Page 27: ...35 100 reset switch 60 61988 2645 all signal lamp 60 61997 all pressostat 30 60621 13 605 all venturi gas valve 03 25700 003 0 0 3 025 venturi gas valve 40cm tube 03 25700 051 0 51 035 venturi gas val...

Page 28: ...ing reset button inside the appliance or the remote control b check if thermal overheat control requires resetting 7 If the thermal overheat control requires resetting and doing so restarts the air he...

Page 29: ...1701ULSA EC EN p 29 30 16 DECLARATION OF CONFORMITY...

Page 30: ...1701ULSA EC EN p 30 30 NORTEK GLOBAL HVAC Belgium nv J M Sabbestraat 130 A000 B 8930 Menen Belgium Tel 32 0 56 52 95 11 www reznor eu...

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